ML16166A073

Virgil C. Summer, Unit 1 - Updated Final Safety Analysis Report, Chapter 2, Site Characteristics

ML16166A073
Person / Time
Site:	Summer
Issue date:	05/25/2016
From:	South Carolina Electric & Gas Co
To:	Office of Nuclear Reactor Regulation
Shared Package
ML16166A068	List: ML16166A053 ML16166A070 ML16166A073 ML16166A074 ML16166A075 ML16166A077 ML16166A078 ML16166A079 ML16166A080 ML16166A081 ML16166A082 ML16166A083 ML16166A084 ML16166A085 ML16166A107 ML16166A108 ML16166A110 ML16166A111 ML16166A113 ML16166A114 ML16166A122 ML16166A123 ML16166A124 ML16166A136 ML16166A148 ML16166A154 ML16166A167 ML16166A231 ML16166A232 ML16166A233 ML16166A234 ML16166A235 ML16166A237 ML16166A239 RC-16-0083, Updated Final Safety Analysis Report, Cover RC-16-0083, Virgil C. Summer, Unit 1 - Approved Updated Final Safety Analysis Report/Fire Protection Evaluation Report Notices RC-16-0083, Virgil C. Summer, Unit 1 - Submittal of Final Safety Analysis Report (FSAR) Updated Through May 31, 2016 RC-16-0083, Virgil C. Summer, Unit 1 - Updated Final Safety Analysis Report, Chapter 1, Introduction and General Description of Plant RC-16-0083, Virgil C. Summer, Unit 1 - Updated Final Safety Analysis Report, Chapter 10, Steam and Power Conversion System RC-16-0083, Virgil C. Summer, Unit 1 - Updated Final Safety Analysis Report, Chapter 11, Radioactive Waste Management RC-16-0083, Virgil C. Summer, Unit 1 - Updated Final Safety Analysis Report, Chapter 12, Figure 12.1-8 RC-16-0083, Virgil C. Summer, Unit 1 - Updated Final Safety Analysis Report, Chapter 12, Radiation Protection RC-16-0083, Virgil C. Summer, Unit 1 - Updated Final Safety Analysis Report, Chapter 13 RC-16-0083, Virgil C. Summer, Unit 1 - Updated Final Safety Analysis Report, Chapter 14 RC-16-0083, Virgil C. Summer, Unit 1 - Updated Final Safety Analysis Report, Chapter 15 RC-16-0083, Virgil C. Summer, Unit 1 - Updated Final Safety Analysis Report, Chapter 16 RC-16-0083, Virgil C. Summer, Unit 1 - Updated Final Safety Analysis Report, Chapter 17 RC-16-0083, Virgil C. Summer, Unit 1 - Updated Final Safety Analysis Report, Chapter 18 RC-16-0083, Virgil C. Summer, Unit 1 - Updated Final Safety Analysis Report, Chapter 2, Figure 2.1-26 RC-16-0083, Virgil C. Summer, Unit 1 - Updated Final Safety Analysis Report, Chapter 2, Figure 2.5-10 ... further results
References
RC-16-0083
Download: ML16166A073 (1025)

Text

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THEBASEFORTHISMAPWASPREPAREDFROMAPORTIONOFUSGSTOPOGRAPHICMAPSPARTANBURG,S.C.-N.C.,19!15.SOUTHCAROLINAElECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONSiteLocationMapFigure2.1-2 13IZ1\..97653ZcBFGHNISiteAreaMopAMENDMENT96-03SEPTEMBER1996SOUTHCAROLINAELECTRIC8rGASCO.VIRGILC.SUMMERNUCLEAR5TATlONoooC7\oC7\tREACTORBUILOINGCOORDINATES:TRANSVERSEMERCATOR:N-3,795,086E-470,996SOUTHCAROLINASTATEPLANESYSTEM:N-472,620E-1,904,810MONTICELLORESERVOIROSGRFoSITEBOUNDARYEXCLUSIONAREAANDPLANTPROPERTYLINEIISCALEINFEETo1500DAMDJETTYEAUXILIARYBUILDINGDAMEA:.*N-473,000METEOROLOGICALTOWERBGcHIC*Figute2.1-35'

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      • 33.30352.393W21.67120.060s68.84943.883E21.204**POPULATIONBYANNULARRINGSectorTotalsonOuterCircumferenceoto10milepopulationsarefoundonoto10milerose10-SO..,&99.312O-SO1\1I1TOTAL705.682."SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONResidentPopulationDistributionBetween10and50Miles.1970Figure2.1-5 NWmSW__--'0--__*NESEU24llOEfBiPOPUL.AT,ON8TANNUL.ARRINGPROJECT'ON0-'W,'"Zw,Z-3W,3-4W'.....,W,0""0..'TOTAL.LOW013B22237747.5,3U',&43HIGH01452374025115**5.B._Key:80S*LowProjections(BEASeriesE)8!f*HighProjections(BEAAlternateMethod)SectorTotalsonOuterCircumferenceAll0-1MileSectorsHaveZeroPopulationSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONProjectedResidentPopulationDistributionUpto10Miles.1980Figure2.1-8 21.52622.81926.41027.92636.31738.46542.554ID5621.328 22.65322.58523.95322.39423.762E259.426274,87374.03478.460s5,2315.54321,30822,668w43.29146.05219'92820,1555.449 58.83323,24024,364POPULATIONBYANNULARRINGPROJECTION0-10MI10-20MI20-30MI30-40MI40-50MI10-50MI0-50MITOTAL.LOW6,54352.516335,873142,967237,696769,054775,597HIGH6,95455,68135$,098151,446252,000814.205821,Li9Key:80SaLowProjections(SEASeriesE)SST=HighProjections(SEAAlternateMethod)SectorTotalsonOuterCircumferenceoto10MilePopulationsarefoundonoto10MileRoseSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONProjectedResidentPopulationDistributionBetween10and50Miles,1980Figure2.1-9 EmProjectedResidentPopulationDistributionUpto10Miles,1990SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONPROJECTION0-'..,,-2..,2-3'"3-4..,"I5-10..,O-IOMITOTALLOW01422313110411115111111I,.11HIGH01511211'4415591121111,701sm'ONBYANNULAIIIIING.,41mKey:805*LowProjections(8EASeriesE)*HighProjections(SEAAlternateMethod)SectorTotalsonOuterCirclmlferenceAll0-1MfleSectorsMeveZeroPopulationmw**l10mN*2.410iffno.lllmZ!4Iai221m****Figure2.1-10 23.26925.94638.34942.76929.14832.38145.8565i":35826.00628.92024.966 27.82223.08925.789E294.918327.79444.62549.8il380.38789.61'79.117i6.3i2s5.672rn&30.96434.i2'i21.62224.269w20.696 23.11659.44566.36229.79632.578POPULATIONBYANNULARRINGPROjECT1(;1;0-10MI10-20MI20-30MI30-40MI40'50MI10-50MI0-50MITOTALLOW6.87757.828389.431157.918260.199865.376872.253HIGH7.70164.3&4Q1.335175.691289.936961.326969.027Key:805=LowProjections(BEASeriesE)85T=HighProjections(BEAAlternateMethod)SectorTotalsonOuterCircumferenceoto10MilePopulationsarefoundonoto10MileRoseSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONProjectedResidentPopulationDistributionBetween10and50Miles.1990Figure2.1-11 EmProjectedResidentPopulationDistributionUpto10Miles,2000SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONI'ltOJEcT,O"0-'"',-2.,.2-3III.3-4.,.4..M'"'0.,0-'0.'0'4201seo41.11,71'_,171MIGM01172744tS'""I"_,177'TA...."'11'SIIIus!>>!lOT9!w!I01Key:805*lOllPl-ojections(SEA5eriesE)rn.HighProjections(8EAAlternateMethod)5ectorTota15onOuterCircumferenceAll0-1MfleSectorsHaveZeroPopulation**I.u.iii*2UNu.m'0ml!!.2114ZZ2IS4*'t!im***Figure2.1-12
      • 48.102S6.ffi21.26924.81730.79735.69721.66625,43439.26645.75724.16728.138N_---50s34.15238.81483.75297.48345.39153.03423.91227.894E26.70531.038318.980 369.46291.725104.046***POPUlATIONBYANNULARRINGPROJEeTION0-10MI10-20MI.20-30MI30-40MI40-50MI10-50M!-0-50lollTOTAlLOW6.97960.734425.139167.382273.594926.8'9933.828._HIGH8,1"*70.607490.456194.219318.1551.073.3371.081.514---0**Key:805=LowProject;ons(BEASer;esE)SST=HighProjections(8EAAlternateMethod)SectorTotalsonOuterC;rcumferenceoto10M;lePopulat;onsarefoundonoto10M;leRoseSOUTHCAROLINAELECTRIC&GASCO..VIRGILC.SUMMERNUCLEARSTATIONProjectedResidentPopulationDistributionBetween10and50Miles,2000Figure2.'-'3
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THEBASEFORTH1SMAPWASPREPAREDFROMAPORTIONOFUSGSSTATEOFSOUTHCAROLINA.1970.SOUTHCAROLINASOILaWATERCONSERVATIONNEEDSINVENTORY.MAY.1970******* 2.2-1 Reformatted Per Amendment 02-01 2.2 NEARBY INDUSTRIAL, TRANSPORTATION AND MILITARY FACILITIES NOTE 2.2 Section 2.2 is being retained for historical purposes only (per RN 00-081). 2.2.1 LOCATIONS AND ROUTES 2.2.1.1 Industrial Facilities The only industrial facilities within 5 miles of the Virgil C. Summer Nuclear Station site not associated with the proposed project are those in or near Jenkinsville and Monticello, located 2.5 miles southeast and 4.5 miles north-northeast of the plant site, respectively. Both towns are located in Fairfield County. The industrial (and commercial) facilities are shown on the Site Vicinity Map, Figure 2.2-1, and are described in Table 2.2-1. Industrial facilities located at distances greater than 5 miles of the plant site are shown on Figure 2.2-3. Facilities within 20 miles are described in Table 2.2-3.

The nuclear station is located within Fairfield County, as are several other South Carolina Electric & Gas Company facilities: the Fairfield Pumped Storage Facility, and the Parr Hydro Station. The Parr Hydro Station is located on the Broad River approximately 2.5 miles southwest of the nuclear station. The decommissioned Carolinas-Virginia Tube Reactor (CVTR) lies within a short distance of the east end of Parr Dam. The Fairfield Pumped Storage Facility is located at Frees Creek, about 1/2 mile east of the Broad River and about 1 mile west of the nuclear plant. Pipeline information is included in Section 2.2.2.3 and shown on Figure 2.2-1. 2.2.1.2 Transportation Facilities Highway access to the plant is via S. C. 215 from Columbia, or by Interstate 26 to S. C. 176 and then to S. C. 213, as shown on Figure 2.2-1. Routes 215 and 213 merge at the center of Jenkinsville and continue north together for 3.2 miles. Route 215 continues on in a northerly direction; Route 213 veers off to the northeast. S. C. 215/213 transects the eastern sector of the 5 mile zone from north to south at an approximate distance of 6,800 feet due east from the Reactor Building; this is the nearest approach of a primary state highway to the plant. County road 311 (secondary road system) is 0.7 miles in length, generally oriented east-west connecting Route 215/213 to the site area. Its primary use is as an access road for the Virgil C. Summer Nuclear Station. Two railroad lines, one of the Norfolk-Southern Railway and one of the CSX Railroad are located within 10 miles of the plant site, as shown on Figure 2.2-1. Alston, S.C., located 2 rail miles southeast of Parr, functions as an active junction for freight operations of the Norfolk-Southern Railway. The line running northerly from Alston through Parr and Strother passes west of the site along the east bank of the Broad River, approximately 1 mile from the Reactor Building. This line provides rail access to 02-01 2.2-2 Reformatted Per Amendment 02-01 the Virgil C. Summer Nuclear Station with a spur track leading off the main line from a switch southwest of the site. This spur branches into several sidings within the plant area. Two freight trains per day utilize the main line of the Southern Railway with a 1970 traffic of about 150 cars each. No passenger traffic utilizes this line. The other line belongs to the CSX Railroad, running between Columbia and Laurens. This line connects with the Norfolk-Southern Railway line just east of Prosperity. This railway's closest approach to the site occurs near Little Mountain, at a distance of over 7.5 miles.

The locations of airports and significant flight paths occurring within the general area of the site are shown on the Airport Facilities Map, Figure 2.2-2. Airports within 30 miles of the plant site are listed in Table 2.2-2. The closest major airport is Columbia Metropolitan Airport, located approximately 24 miles southeast of the site. The Columbia Metropolitan Airport serves Delta, Eastern, Southern and Piedmont Airlines. The remaining ten airports within 30 miles of the site serve general aviation, including the closest to the site, Fairfield County Airport, located approximately 10 miles east-northeast of the plant. This 106.5 acre airport has one asphalt runway 3,200 feet in length, oriented approximately northeast-southwest. There is one Low Altitude Federal Airway (18,000' MSL and lower) which is within 5 miles of the plant. Airway V53 passes approximately 3 miles southwest of the plant on a heading of 331 from the Columbia VORTAC. Jet Airway J47 is also located on this heading.

The Virgil C. Summer Nuclear Station is located approximately 1 mile east of the Broad River. In 1965, the Army Corps of Engineers compiled a listing of navigable rivers in relation to bridge construction planning. This study indicated that there was no commercial navigation on the Broad River; there is presently no commercial navigation on the river. In the vicinity of the nuclear plant, the Broad River is about 2,000 feet wide and quite shallow, ranging from a few feet to about 15 feet in depth. 2.2.1.3 Military Facilities There are no military facilities within 10 miles of the site, but four military bases are located within a 50 mile radius. These are Fort Jackson Army Base, approximately 25 miles southeast of the site; McEntire Air National Guard Base, approximately 37 miles southeast of the site; Shaw Air Force Base, approximately 50 miles southeast of the site; and North Air Field, approximately 47 miles south-southeast of the site. North Air Field is designated as a "bare base" and is listed as closed on aeronautical charts. It is utilized for limited military training functions.

Shaw Air Force Base maintains Military Training Route 157, but this route is located approximately 20 to 35 miles southwest of the site. 02-01 2.2-3 Reformatted Per Amendment 02-01 2.2.2 DESCRIPTIONS 2.2.2.1 Industrial Facilities Industrial facilities located within 5 miles of the plant are listed in Table 2.2-1. Significant industries located within 20 miles of the plant are listed in Table 2.2-3; these industries have been considered because of their use and/or storage of hazardous materials.

2.2.2.2 Products and Materials A description of the products and materials utilized by industrial facilities within 5 miles of the plant, including the number of employees, hazardous materials, and distances from the plant site, is presented in Table 2.2-1. Listed in Table 2.2-3 are other products and materials used by industrial facilities located out to a radius of approximately 20 miles which may present a possible hazard to the plant due to the products they manufacture and/or the amounts of hazardous materials they utilize or store. Table 2.2-3 also presents the tonnage of plastic materials and petrochemicals used by each industry, the amounts of explosives stored, or the gallons of bulk propane storage at each facility.

2.2.2.3 Pipelines A buried natural gas pipeline extends from the southeast to the Parr Steam Plant as shown on Figure 2.2-1. The closest approach of the pipeline to the Virgil C. Summer Nuclear Station occurs at the steam plant, a distance of approximately 2.5 miles to the southwest. The pipeline does not lie within the Monticello Reservoir watershed. The line was installed approximately 6 years ago to utilize natural gas which may be available to SCE&G for fuel at the steam plant. The pipeline is 12 inches in diameter, buried at a depth of 3 feet, and has a maximum operating pressure of 700 psi. Isolation of the line is obtained with a 12 inch Cameron ASA 600 ball valve located approximately 13,800 feet south of the nuclear plant. There is no gas storage at the Parr Steam Plant other than that in the pipeline. The consumption of natural gas through this line is intermittent, occurring only at those times when this fuel is available. There are no plans to utilize the pipeline for the propagation of materials other than natural gas. 2.2.2.4 Waterways The Broad River is the most prominent hydrologic feature in the vicinity of the Virgil C. Summer Nuclear Station. The plant is located approximately 1 mile east of the Broad River. Monticello Reservoir provides the cooling water for the nuclear plant. There is no commercial navigation on the Broad River, but it is used for recreational purposes. 2.2-4 Reformatted Per Amendment 02-01 2.2.2.5 Airports There are no airports within 5 miles of the nuclear plant. The locations of airports within the general area of the site are shown on Figure 2.2-2. Fairfield County Airport lies approximately 10 miles east of the site and is the closest airport facility. This airport has three single-engine planes permanently based at the facility. The asphalt runway is 3,200 feet in length; its orientation is 40 and 220 . The airport is unattended, but yearly operations have been estimated at 3,000 to 5,000 (an operation consists of a take-off or a landing). Between the 20 mile and the 10 mile radius, there are four active general aviation airports. These are Gilbert Shealy's Airport, 14 miles southwest; Newberry Municipal Airport, 18 miles west; Oxner's Airport, 19 miles northwest; and Sabie Cathcart Airport, 13 miles northeast. The Winnsboro Airport, 14.5 miles northeast, has been closed and is replaced by the Fairfield County Airport facility. The 20 to 30 mile annulus encompasses four general aviation airports: Owens Field, J. Sexton, Connelly Field and Clemson (Pontiac) Experimental Station Airstrip, all private facilities. Columbia Metropolitan Airport, 24 miles southeast of the site, is the largest facility in the area and provides FAA services. Delta, Eastern, Piedmont and Southern Airlines operate at Columbia, as well as general aviation aircraft. The Columbia airport has two asphalt runways: one is 7,550 feet in length, oriented 110 and 290; the other is 5,000 feet in length, oriented 50 and 230. No approach patterns to Columbia lie within 5 miles of the nuclear plant. Two companies, Eagle Aviation and Miller Aviation, have a combined total of 91 single-engine and twin-engine planes and one small jet permanently based at Columbia. Yearly operations for 1975 reported by Columbia Metropolitan Airport totaled 118,182, of which about 68 percent were in general aviation. Information pertaining to airports within 30 miles of the site, with exception of military facilities, is presented in tabular form in Table 2.2-2. This table includes distance and direction from the site, number and type of aircraft based at the airport, largest type of aircraft likely to land at the airport facility, runway orientation and length, runway composition, hours attended, and yearly operations. 2.2.2.5.1 General Aviation Traffic Available data for general aviation do not permit a direct evaluation of the number of flights over the site area. An indirect estimate of the traffic flux was made by assuming an isotropic flux of traffic from every general aviation airport within a 30 mile radius of the plant. This estimate counts very short flights, such as crop dusting and training exercises, but excludes long distance overflights not originating in the 30 mile radius. Since the 30 mile radius includes the general aviation activities near Columbia, a major hub of South Carolina air traffic, it is unlikely that any substantial number of general aviation overflights are omitted. The isotropic model assumes that flights in all directions are equally likely, such that the number of flights passing through a 1 mile zone at the site is inversely proportional to the distance from the originating airport. Airport operations statistics include each landing and each take-off as separate operations; hence, both inbound and out bound flights are counted. Air traffic flux estimates based upon the isotropic model are: 02-01 02-01 2.2-5 Reformatted Per Amendment 02-01 Airport General Activation Operations (Annually) Distance From Site (Miles) Traffic Flux Per Perimeter Mile Columbia Metropolitan 79,700 24 529 Owens Field 76,000 27 448 Newberry Municipal 10,800 18 95 Oxner's 9,000 (est.) 19 75 Fairfield County 5,000 10 80 Gilbert Shealy's 400 (est.) 14 5 Sabie Cathcart 1,000 13 12 J. Sexton 400 27 2 Connelly Field 700 25 4 Clemson Experimental Station 200 (est.) 28 1 Total 1,251 Since there are no approach or takeoff patterns near the site, the isotropic flux assumption is a conservative one.

An analysis of the probability of an aircraft collision at the site and the effects of the collision on the safety related components of the plant are provided in Section 3.5. 2.2.2.5.2 Scheduled Air Carriers The maximum flux of scheduled carriers near the plant utilizing Low Altitude Federal Airway V53 (3 miles southwest of the site) is estimated to be four flights daily, or 1,460 annually. It is unlikely that this traffic level is achieved, due to reduced schedules, etc. Aircraft in these corridors in the vicinity of the site fly at very high altitudes. Jet Airway J47 passes over the site area at a minimum altitude of 18,000 feet; this corridor is located above Low Altitude Federal Airway V53. 2.2.2.5.3 Military Airport Facilities and Air Activities Fort Jackson Army Base is located approximately 25 miles southeast of the site. The total acreage of the installation is 52,727 acres. Restricted Area R-6001, artillery range operations, is located within the installation, approximately 27 miles southeast of the plant site at the nearest approach. Projectiles fired from the base reach altitudes of 10,000 to 12,000 feet. Impact is absorbed by the base. Fort Jackson has an aviation detachment located at Columbia Metropolitan Airport, approximately 24 miles southeast of the site. Activities of the aviation section include transporting personnel, flying support missions, and training missions. Contact (take-off and landing) training is conducted within the immediate vicinity of the airport (approximately 1 mile), usually on the east side. Instrument training is conducted under air traffic control clearances. Standard procedures of air traffic control operate the aircraft within a 10 nautical mile radius of the airport. Approaches to the airport are along the same paths utilized by 02-01 02-01 2.2-6 Reformatted Per Amendment 02-01 civilian aircraft, and are made by instrument procedures. There are two types of aircraft, U8 Delta twin-engine and T42 Alpha twin-engine; both are fixed wing, propeller aircraft. A total of 13 aircraft are based at the Fort Jackson Army Aviation Section, seven of which belong to the Army Reserve. Fort Jackson Army Aviation Section also has MAST (Military Assistance to Traffic Safety) Unit 4th Platoon, 498th Medical Company. The MAST Unit is on call at all times to aid in cases of emergency within the state of South Carolina. MAST aircraft consist of six helicopters, type UH1H, operating out of Columbia Metropolitan Airport.

McEntire Air National Guard Base is located approximately 37 miles southeast of the site. The total acreage of the base is 2,397 acres. Air National Guard aircraft fly daily training missions. McEntire air traffic has no flight patterns within 30 miles of the plant site. The operations and training zones utilized by McEntire military aircraft lie primarily to the east of the base, and therefore are located more than 37 miles from the site. The South Carolina Army National Guard is also stationed at McEntire Air National Guard Base. The Guard's Aviation Section has 57 helicopters and two light aircraft. Helicopters fly to Spartanburg and Greenville for assigned military training missions, which may bring them into the vicinity of the plant. North Air Field, located approximately 47 miles south-southeast of the plant, is listed as closed on aeronautical charts. However, this field is still utilized, on a limited basis, by military organizations. The field is designated as a "bare base" and has no permanently based aircraft, no regular flight training programs, no tower control, no refueling facilities, and no assigned personnel with the exception of a single grounds keeper. The runway is 10,000 feet in length, 500 feet wide, and is oriented along coordinates of 3337'N and 8105'W. The primary user, Charleston Air Force Base, S. C., flies approximately 15 C-141 cargo training missions per week. Limited paratroop drops occur, and some Reserve Officer Training Corps detachments use the area for weekend encampment and training on an as-requested basis. Expansion of the present facilities or activities conducted at North Air Field is not expected.

Shaw Air Force Base is located approximately 50 miles southeast of the site. The total acreage of the installation is 3,257 acres for the base, plus an additional 8,038 acres for Poinsett Gunnery Range (R-6002), located approximately 52 miles southeast of the plant site at its nearest point. Military aircraft at Shaw Air Force Base are used primarily for tactical reconnaissance training (aerial photography). Shaw has 83 RF-4C Phantom II reconnaissance jet aircraft and three T-39 aircraft assigned to the 363rd Tactical Reconnaissance Wing. The 507th Tactical Air Control Group has seven OV-10 and seventeen 0-2 aircraft and four CH-3 helicopters assigned. Officials at Shaw Air Force Base do not foresee increased flight operations or larger aircraft at Shaw in the near future. Shaw's air operations utilize two parallel runways running north and south. One runway is 10,000 feet long; the other is 8,000 feet long. Shaw controls Poinsett Gunnery Range (restricted area R-6002 shown on Figure 2.2-2), which is used currently by RF-4C, 0-2, and OV-10 aircraft from Shaw Air Force Base; F-4C aircraft from Seymour-Johnson Air Force Base, North Carolina; Navy A-7 aircraft from Atlanta, 2.2-7 Reformatted Per Amendment 02-01 Georgia; Air National Guard/Reserve units flying A-7 aircraft from Santurce, Puerto Rico and McEntire Air National Guard Base, South Carolina; A-37 aircraft out of bases in Youngstown, Ohio, Baltimore, Maryland, Hartford, Connecticut, Sergeant Bluff, Iowa, and Terre Haute, Indiana; F-100 aircraft from Dobbins Air National Guard Base, Georgia; and F-105 aircraft from Sandston, Virginia[1]. Training Route 157 is also controlled by Shaw Air Force Base, utilizing the same aircraft and altitude restrictions as those applied to Training Route 47. Training Route 157 is located approximately 20 to 35 miles southwest of the site, and is therefore not considered a hazard.

Three Military Operating Areas (MOA) for aircraft are located east of the site, as shown on Figure 2.2-2. Air operations within these MOA are under the control of Shaw Air Force Base. These areas are utilized for general military aviation training and exercises. The nearest approach to the plant site of any of the three MOA is approximately 27 miles.

2.2.2.5.4 Future Aircraft Expansion The only general aviation airport expansion cited in the South Carolina Statewide Aviation Plan (1970) within the 30 mile radius of the site is the now completed Fairfield County Airport. Communications with the South Carolina Aeronautical Commission revealed the following tentative plans:

1. Newberry Municipal Airport - Plan possible extension of the existing runway to 6,000 feet, or the construction of a new airport. 2. Columbia Metropolitan Airport - The addition of a parallel east-west runway is under construction. Improvements on the current facility are under way. 3. A "master plan study" shall be conducted at Columbia Metropolitan Airport to possible examine Columbia Metropolitan air facilities with respect to expandability for privately owned aircraft, and to investigate possible joint use of McEntire Air Force Base.

4. Owens Field is under investigation by Richland County for future plans not yet disclosed.

2.2-8 Reformatted Per Amendment 02-01 2.2.2.6 Projections of Industrial Growth The Virgil C. Summer Nuclear Station is located in a sparsely populated rural area, with little existing or projected urban or industrial development within a 10 mile radius. Most future industrial development within 10 to 20 miles of the site is expected to be in the vicinity of Winnsboro in Fairfield County, and in the Irmo area in Lexington and Richland Counties[2,3]. Industrial growth in the Winnsboro area, located approximately 15 miles east-northeast of the site, is expected as the result of the completion of Interstate 77 between Columbia and Charlotte, North Carolina, and because of increased tax revenues to Fairfield County from the Virgil C. Summer Nuclear Station. This increase in tax base may be used by the county to lower tax rates and/or to increase the level of public services. Such actions could be a strong inducement for the location of new industry in the county. This is most likely to occur in the Winnsboro area because the urban infrastructure is more developed there than in most parts of the county. Good access (via Interstate 77) to major market areas will be an additional inducement. The Irmo area, located about 16 miles south-southeast of the site, has already experienced rapid industrial growth during the past 5 to 7 years because of its proximity to Columbia, its location on Interstate 26, and the growing labor force in Lexington County. These factors are expected to continue to attract industry to the area, although there are no known plans for major developments at this time. The community of Harbison, with an anticipated 1995 population of 25,000, is located just to the southeast of Irmo, and new industry is part of the projected development. 2.2.3 EVALUATIONS 2.2.3.1 Determination of Design Basis Events 2.2.3.1.1 Toxic Gases Potential sources of toxic gases which might reach the facility from accidental releases due to transportation accidents are limited to rail tank cars and tank trucks. The capacity of tank trucks is typically 16 tons, and the capacity of present-day rail tank cars is approximately 90 tons. The transport of ammonia, chlorine, or other toxic chemicals considered in Regulatory Guide 1.78 by tank truck on Routes 213-215 in the site vicinity is unlikely. No regular use of these commodities is indicated in the industries within a 30 mile radius of the plant, and the adjacent highways do not attract through traffic due to their limited access. Rail transport of these commodities is more likely; however, due to the lesser elevation of the railroad bed in the vicinity of the site, only volatile chemicals are considered as a potential hazard. Chlorine-producing plants operate in southeastern Georgia, and there is a chlorine repackager in northwest South Carolina. 2.2-9 Reformatted Per Amendment 02-01 The dispersion of toxic gases from transportation spills has been studied by Simmons et al [4]. The 1,000 ppm-minute dosage isopleth may be used as a criterion to determine whether a downwind plume will affect a particular area. This isopleth constitutes a lethal (LD-50) zone, but most persons would have time to leave the affected area and avoid lethal exposure. The centerline downwind plume lengths can be determined from a standard dosage formula* for a spectrum of meteorological conditions: Land Spill Water Spill wind 2.2 m/sec, D stability 0.93 miles 2.4 miles wind 1.0 m/sec, E-F stability 2.55 miles 6.6 miles wind 0.57 m/sec, F stability (5 percentile condition) 3.92 miles 10.1 miles These distances are determined assuming initial flashoff of 16 tons of chlorine due to a spill from a 90 ton tank car onto land, and full flashoff of a spill into water. The horizontal dispersion parameters are of the form AX0.91, where A has the values 0.13, 0.077, and 0.069 for the above conditions, respectively (values in meters). The dispersion parameters are further augmented 25 percent, following Simmons, to account for the dispersion time interval. Vertical dispersion is conservatively estimated at 1/5 that of the horizontal for chlorine dispersion. The average effective distance of the plume would be about 3 miles, based upon statistical weights of the above values of 30 percent, 15 percent and 5 percent for the respective stabilities, and equal weight between land and water spills.

• Dosage UQzy y2/yexp22 where Q is the mass of vapor released nearly instantaneously, y is the distance normal to the downwind centerline, U is the wind speed, and y, and z are the Pasquill-Gifford atmospheric dispersion parameters, or equivalents. 02-01 2.2-10 Reformatted Per Amendment 02-01 The cargo loss rate estimated by the Association of American Railroads for 90 ton tank cars is about 2.3 x 10-5 per trip. If the average trip per car is conservatively estimated at about 500 miles, the change of accidental cargo spillage would be about 5 x 10-8 per mile per car. The chance that a car would have an accident within 3 miles of the site is about 2.8 x 10-7 (5.6 miles track length x 5 x 10-8). The probability that such an accidental release on the rail line would cover the plant is estimated to be approximately 2 percent because of the narrowness of the zone of severe effects under the plume, assuming that wind direction preferences are negligible. Therefore, the chance that a toxic chlorine gas plume would reach the plant in a given year will be less than 1.0 x 10-7 if fewer than 17 tank cars per year pass through Alston. The result will be the same if a larger radius is considered because the chances of affecting the plant from more distant releases decreases at about the same rate that the release probability would increase.

However, Simmons et al note that chlorine shipments, as a subset of all 90-ton tank car shipments, have a loss rate which is 10 times better than that for an average tank car. On this basis, the traffic of chlorine shipments would be as high as 170 per year before the chance of affecting the plant reaches 1.0 x 10-7. The lethal dosage for anhydrous ammonia was estimated to be 90,000 ppm-minutes. The length of a lethal plume comparable to the example for chlorine would be reduced to about one-tenth that for the chlorine. If the accidental release rate for ammonia is taken to be ten times that of chlorine, then the hazard from ammonia is roughly equivalent to that for chlorine. Thus, the toxic gas hazard from rail shipments will be less than 1.0 x 10-7 per year if fewer than 170 tank cars of both chlorine and ammonia are shipped through Alston. Assessment of Southern Railway traffic records indicates that far fewer than 170 tank cars of chlorine or ammonia are shipped annually on the near-site rail lines (11 such shipments were counted for 1975). Railway traffic records also indicate that the only other volatile chemical considered hazardous in Regulatory Guide 1.78 and which occurs as annual traffic through the general area in significant quantity is methanol. Rail traffic in the market area which contains the site included 30 carloads of methanol during 1976. Methanol is shipped non-pressurized and has an evaporation rate sufficiently low to prevent exceeding guideline levels of concentration at the site in the event of a railroad accident.

Other offsite sources which might accidentally release toxic gases, such as smoke from plastics containing sulfur or halogenated compounds, were considered out to the 20 mile radius (see Table 2.2-3). Since none of the smoke is as toxic as raw chlorine and ammonia, it is concluded that such sources are too small or too distant to constitute a toxic gas hazard at the plant. 02-01 2.2-11 Reformatted Per Amendment 02-01 Two 150 pound capacity bottles of liquid chlorine are used onsite at the east side of the water treatment building, approximately 300 feet southeast of the Control Building. There are not reliable data for determining the chance of chlorine bottle ruptures. As a rough approximation, the number of chlorine bottles in use is on the order of 104 to 106. The lower number is recorded in interstate shipments; the higher can be estimated from chlorine consumption. The number of ruptures can be estimated at 1 to 10 annually. The number of chlorine exposures is of order 102 annually, but a large portion of these are from defective fittings and leaks which do not create concentrated flash puffs. Thus the annual chance of bottle rupture can be estimated to be of order 10-5. The chance of a fatal release if lower, with only 4 incidents recorded (bottle ruptures) over a 50 year span. An annual probability of a fatal bottle rupture can be estimated from this at 10-6 to 10-7. The worst case situation for an accidental release of gas from the chlorine bottles would be the rupture of both bottles outside of the storage shed during a time of wind drift directly toward a Control Building air intake. The concentration at ground level of a puff of gas resulting from flashoff of the chlorine is given by: zyx2/3)2(Q2C where C is the plume centerline peak concentration by weight at ground level, Q is the mass of vapor released, x= y = 0.069 x0.91, z = 0.2y, and x is the downwind distance in meters. The dispersion coefficients are for worst case (F stability) meteorology, and are in meters. The amount of chlorine flashing at rupture would be approximately 27 kilograms, or 20 percent of the volume. The puff concentration by volume at a distance of 300 feet would be approximately 7.6 percent. Should Pasquill C dispersion conditions prevail instead of the F stability assumed, then the concentration at 300 feet would be reduced to 0.3 percent.

Plume and puff dispersion models are not suitable for near-field travel of fumes because of local effects such as exhaust fan currents, breeze fluctuations, etc., which can completely change the local trajectory of a puff. However, chlorine vapors have negative buoyancy in air, and the upward dispersion of a lethal puff would be between 4 and 12 meters after travel of 300 feet. An air intake located well above ground level might avoid any intake of a flash puff, dependent upon the upwash/downwash local currents of the air flow about the facility buildings.

Outside of the chance of drawing in a concentrated puff of vapors during a rupture, the chlorine does not represent a severe hazard. The reach of the 1,000 ppm-minute isopleth along the plume centerline for undisturbed dispersion under F stability conditions and 0.57 meter/second wind (5 percentile meteorology) would be approximately 1,310 meters, or 0.8 mile, for release of the entire 300 lbs. of gas. Persons not trapped or stunned by the initial exposure could escape from the affected area, but this lethal exposure is a good measure of the affected area. 2.2-12 Reformatted Per Amendment 02-01 The annual probabilities previously established at 10-6 to 10-7 for fatal chlorine bottle rupture are considered conservative. Furthermore, unique meteorological conditions would be required for a plume of chlorine to reach the Control Room air intake, including relatively continuous direction and altitude parameters with little variance. These requirements would significantly decrease the already conservative probabilities. Control Room habitability is also discussed in Section 6.4. 2.2.3.1.2 Delay Vapor Explosions The worst case condition for buildup of an explosive concentration of flammable gases would be from a large accidental release of vapor in a railway accident. As an example, a source of 10 tons per hour of propane vapor, 1 mile downwind of the plant, is examined. This corresponds to a rail accident of a severity realized in less than 1 percent of all accidents, excluding loading and unloading of the tank cars. The ground level plume centerline concentrations (by weight) downwind can be described for the 5 percentile condition (F stability, 0.57 meter/second wind speed) by a standard equation: Concentration Fraction = URQzy Where Q is the release rate y = 0.069 x0.91 downwind distance in meters. z = 0.2y. U is the wind speed. R is the air density. The flammability limits of propane in air are given as 2 to 10 percent by volume, with the theoretical concentration for complete combustion estimated at 4 percent. These correspond to weight percents of 3.0, 6.3 and 14.4. For the conditions assumed, the combustive zone downwind of a 10-ton-per-hour source will lie between 230 and 540 meters from the release point. The point of complete propane combustion would be at approximately 340 meters. This can be assumed as the most likely point for detonation of a pocket of the propane-air mixture. The explosive power of a propane-air mixture is about 430 calories per gram, or about 40 percent of the TNT weight equivalent. This estimate is based upon a typical Chapman-Jouget type of detonation, achieving a stagnation pressure of 25 atmospheres and a stagnation temperature of 3,500 degrees Rankine. The explosion of a pocket of 80,000 cubic meters of gas (100 x 20 x 40 meters) mixture 340 meters downwind of the source (4,000 feet from the plant) can be estimated from TM 5-1300, Figure 4-11[5], by determining the scaled distance. Scaled distance = 4,000 feet/3)000,216(%)40( = 90 feet. 02-01 02-01 2.2-13 Reformatted Per Amendment 02-01 The peak incident overpressure at the Reactor Building location from such a blast would be of the order 1.0 psi, which would have little or no effect upon the plant's structures. The probability of such an accident occurring can be estimated at about 8 x 10-10 per year per rail car, assuming that at most 1 percent of the accidents would create the postulated conditions. This estimate is conservative because of the implicit assumption of delayed ignition. Most accidents of this severity generally ignite flammable vapors readily. The accident probability will be less than 10-7 if fewer than 125 rail cars of liquefied propane (or equivalent) are shipped between Alston and Strother each year. Information from Southern Railway indicates that approximately 70 carloads per year of flammable compressed gases are shipped into the general area extending 100 miles from Columbia, S. C. It is conservatively estimated that no more than 35 carloads per year are shipped via the nearby rail line west of the site. Propane storage facilities were inventoried to determine whether they constituted any hazard at the facility. From the considerations above, it is evident that the fuel storage amounts listed in Table 2.2-3 are too distant from the facility to create a blast or explosive vapor hazard.

The buried natural gas pipeline that serves the Parr Steam Plant is located, at its closest point, approximately 13,000 feet to the south of the nuclear plant site. The pipeline is used intermittently, dependent upon the availability of natural gas. The line is 12 inches in diameter and is operated at a maximum pressure of 700 psi. The escape rate in the event of total rupture would be approximately 70,000 standard cubic feet (scf) per minute, or 40 kg per second of methane. The flammability limits of methane in air are 5 percent to 15 percent by volume, corresponding to weight percentages of 3 percent to 9 percent. The centerline weight concentration is given by: URQzy where Q is release rate, U is wind speed, R is air density, X is downwind distance, y = 0.069 x 0.91, and z = 0.5y. The dispersion coefficients are given for stable (adverse) conditions, with the relation between horizontal and vertical appropriate for 300-500 meters. The plume distances corresponding to 3 and 9 percent at 0.57 meter/second wind speed (5 percentile condition) are approximately 135 to 245 meters (400 to 800 feet). Unconfined methane will not detonate, but ignites readily. The flammability zone is more than 2 miles from the site, and the amount of material ignitable is too small to create a radiant flux hazard. There would be no blast wave hazard. Because the pipeline is buried, it must also be considered that a cratering explosion of gases in soil could be generated, but the affected distance from rupture would be no more than 500 feet. 02-01 2.2-14 Reformatted Per Amendment 02-01 2.2.3.1.3 Explosives and Projectiles Two companies within the 5 mile radius of the site carry substantial inventories of explosive materials. Interstate Materials, Inc., located near the intersection of Routes 215 and 213, stocks up to 40 tons of high explosive Torpex (ammonium nitrate-gelignite) for rock quarrying. Farm Milling Service, at Monticello, carries up to 200 tons of ammonium nitrate as fertilizer. Trucks transporting materials to and from these companies carry lesser amounts of explosives than those stockpiled, and the effect of a truck exploding at its closest approach to the plant, on Route 215, would be far less than that due to an accident at Interstate Materials, Inc., or Farm Milling Services.

Operations at the Interstate Materials quarry site, about 2-1/2 miles from the site, are 90 percent related (by volume of crushed stone produced) to construction of the Virgil C. Summer Nuclear Station and Fairfield Pumped Storage Facility projects, and may be discontinued upon completion of these projects. Ammonium nitrate and ammonium nitrate slurries (5-10 percent concentration in fluids, which may be water or other solvents) have an explosive strength of about 60 percent TNT weight equivalent. The theoretical detonation velocities range from 11,350 feet/second, dry, and up to 15,750 feet/second at the 5 percent slurry concentration. High temperature and/or pressure are required to achieve detonation, and the theoretical detonation velocities are seldom attained. Representative detonation velocities for material samples greater than 9 inches in diameter are 3,940 to 4,900 feet/second. The blasting material used at Interstate Materials is Torpex, in which a more easily detonable material is mixed into the ammonium nitrate as a propagator of the detonation. The explosive is tightly packed to achieve full brisance (shock power). In contrast, fertilizer is loosely packed and can be detonated only with great difficulty. Incident peak overpressures which would be felt at the site if all of the materials at either of these companies were fully detonated can be estimated from TM 5-1300, Figure 4-11[5], for a ground wave resulting from a surface burst. For Interstate Materials, the scaled distance would be equal to 15,840 feet/3)000,80(%)60( = 435 feet. For Farm Milling Service, about 3.6 miles distant, scaled distance equals 19,000 feet/3000,400%)60( = 305 feet. The limiting peak incident overpressure for a scaled distance of 305 feet would be about 0.1 psi*, and less for 435 feet. It is unlikely that a full detonation in a single blast could ever be achieved accidentally with fertilizer materials.

• extrapolated 02-01 2.2-15 Reformatted Per Amendment 02-01 Since Torpex may be encased, primary fragments could be generated. From TM 5-1300 (page 4-66 ff), the maximum primary fragment velocity realizable from a cylindrical casing is about 2 times the Gurney Energy constant, which is 7,450 feet per second for Torpex. The velocity decay in air is given by:

Vr/Vo = exp (-0.004 r/Wf1/3) where Vo is the initial velocity, Vr is the velocity at distance r (feet), and Wf is the fragment weight in ounces. For a final velocity of 0.1 feet/second (a velocity that would not result in damage to either facilities or personnel), the maximum range of fragments from the Torpex casing would be: r = 250 Wf1/3 Ln 105,000

= 2,900 feet for a 1-ounce fragment, 5,250 feet for a 6-ounce fragment.

Primary fragments are improbable with fertilizer, since metals are unlikely to be directly in contact with the explosive. By hypothesizing that a sheet of steel falls into a fertilizer container or pile before a blast, then a maximum primary fragment velocity of 3 times the Gurney Energy constant might be realizable. A Gurney constant of 5,000-5,500 feet/-second would probably apply for the loosely packed material, but the Torpex value can be used to estimate the range. For a 1 ounce fragment, the range would be about 2,940 feet and for a 6 ounce fragment, about 5,340 feet. Secondary blast wave fragments from disintegration of the surrounding structure would not approach the range of the primary fragments. The recommended standard distance (Armed Services Explosives Safety Board, December 1, 1955) for inhabited buildings from an unbarricaded magazine is about 2,800 feet for 50,000 pounds of TNT (the quarry equivalent), and 4,310 feet for 250,000 pounds of TNT (the fertilizer equivalent). The distance to the site is nearly five times the recommended standard in the first case, and over four times the standard in the second.

It can be concluded from these basic calculations that the plant site would be beyond the zone of penetrating primary fragment scatter and strong blast wave effects from postulated explosions at Farm Milling Service or the Interstate Materials quarry. Minor effects associated with the arrival of a blast wave of incident overpressure 0.1 psi could be experienced at the site, one of which would be a startling noise. Mitigating factors to the postulated hazards are (1) the quarry explosive inventory will be eliminated or substantially reduced when construction of the power projects is completed, and (2) detonation of ammonium nitrate fertilizer is very difficult to achieve, making the likelihood extremely remote of an accidental detonation in a single blast of all of the material inventory. 2.2-16 Reformatted Per Amendment 02-01 Munitions shipped on the railroad are another potential source of projectiles. The rail accident rate for other than grade crossing accidents has been estimated at 0.08 per million railcar miles[6], and about 1 percent of the accidents would be severe enough to damage a munitions cargo. The annual probability that a munitions explosion might occur within 10 miles of the site will be less than 10-7 if fewer than three carloads per year are shipped on the Alston-Strother section of line, five carloads per year on the Alston-Pomaria section of the Southern Railway lines, or eight carloads for the Columbia-Newberry-Laurens section of line. Southern Railway shipments of hazardous cargo within approximately 100 miles of Columbia, S. C., were reviewed. Not a single carload of code 41 049 (explosives) was included during 1975, indicating that shipments approaching or exceeding the aforementioned numbers designated for the pertinent near-site rail lines would only possibly occur in case of escalation to wartime levels. The chance that a projectile would strike the site if there were a munitions detonation on the railroad would not be large (on the order of 1 percent), providing an additional margin of safety[6]. 2.2.3.1.4 Forest Fire Smoke and Heat Fluxes Newberry and Fairfield Counties maintain active forest products industries, with 79 and 86 percent, respectively, of the land classed as commercial forest, most of which is in private individual ownership. A 1975 directory of timber buyers lists 10 dealers, 10 loggers and yards in Fairfield County; and 9 mills, 5 dealers, and 7 loggers and yards in Newberry County. Pulpwood is the primary forest product for the two counties. The average annual loss of acreage due to fire in South Carolina over the 5 year period 1970 to 1975 has been 22,700 acres in 4,240 fires, for a 5.3 acre average per burn. In 1974-75, only 0.1 percent of the fires were larger than 100 acres in extent, and all of these were Class D (199-299 acres). However, rainfall over the past 5 years has been 11 percent above the long-term average, which has helped in producing such favorable fire statistics.

The smoke hazard from forest fires in the Southern Region (which includes the Southeast) is rated by the Environmental Protection Agency as the lowest for any section of the United States except for the Great Basin forests. This is due primarily to the low average available fuel loading per acre for wildfires -- 9 tons/acre, compared to up to 60 tons/acre for the Pacific Northwest. The available fuel loading per acre is the average amount of material actually burned in wildfires and is not the total combustible material per acre. Emission per ton burned for Southern fires is the same as for U. S. averages: 8.5 kg. of particulates, 70 kg. of carbon monoxide, 12 kg. of hydrocarbons, and 2 kg. of nitrogen oxides per metric ton burned [7]. Because of the low smoke emission characteristics which would be expected for the region, fires outside the exclusion area should not create smoke hazards or high radiant energy fluxes at the plant site. Additional mitigating factors for the site are the open, moist areas created by the Broad River, Monticello Reservoir, and Parr Reservoir. RN 01-006RN 01-006 2.2-17 Reformatted Per Amendment 02-01 Less than 35 percent of the exclusion area consists of woodland, and the heavily wooded area closest to the reactor building lies approximately 1/2 mile southeast to southwest. Woodland fires inside the exclusion area of the plant could create smoke nuisance, but there would be no problem of high thermal heat exposure to the reactor building.

2.2.3.1.5 Collisions and Spills at Intake Structure The intake structure at Monticello Reservoir is not located on a navigable waterway. The structure is located within the exclusion area. Control of the exclusion area is discussed in Section 2.1.2.1.

The possibility of liquid spills into the reservoir is extremely remote. No interstate petroleum or gas lines are located in the Frees Creek watershed. The only potential source of liquid spills would be from tanker trucks which might enter the upper watershed. The dilutive effects of the reservoir would mitigate any effects of a tank truck spill. For example, a spill of 100 barrels of fuel oil into the upper reservoir area, a typical size spill for a tank carrier, would spread out to a film of about .003 inches thickness on the surface of the reservoir within about 6 hours after entering the waters. The design of the intake structure precludes the introduction of such a spill into the intake structure. Spills from rail tank cars near the site would not enter the Frees Creek watershed but would drain toward the Broad River.

2.2.3.1.6 Release of One Rail Car Load of Methanol The shortest distance from the control room air intakes to a postulated accidental release of one rail car load of methanol is approximately one mile (see Figure 2.2-1). The estimated wetted area following an accident along the railroad tracks opposite the site, assuming blockage of the railroad bed drainage, would be 2000 ft2. For analytical purposes, a wetted area of 4000 ft2 is assumed. The estimate of evaporation rates for methanol is extrapolated from climatological data for water vapor. Evaporation is controlled by the difference in vapor pressure between the evaporating fluid and the overlying vapor. The emission of molecules from the surface of the liquid would be proportional to the vapor pressure and inversely proportional to the square root of the molecular weight. The vapor pressure buildup in the overlying gas is influenced by the diffusivity of the vapor molecules. This diffusivity is lower for methanol than for water vapor because of the greater molecular weight. The extrapolation does not consider the latter difference and, thus, is conservative. To obtain a conservative estimate of water vapor evaporation, wind speeds are assumed to be higher than would be applicable under the F-stability conditions at the Virgil C. Summer Nuclear Station site. Lower ambient relative humidity is also assumed for analytical purposes. Evaporation rates of 55 inches over the warmest 6 months of the year have been measured at Yuma, Arizona[8]. This rate (0.3 in/day) is extrapolated to 1.1 in/day of methanol. Evaporation of 1.1 in/day of methanol over a 4000 ft2 area would result in a release rate of about 0.09 kg/sec from the railcar spill. 2.2-18 Reformatted Per Amendment 02-01 The dispersion equation (see Reference [4]) is as follows: Ma/URMm/QXzy Where:

X = Maximum concentration along plume centerline. Q = Release rate, 0.09 kg/sec. Mm = Molecular weight of methanol, 32. y = Lateral dispersion coefficient, 0.69d0.91 z = Vertical dispersion coefficient, 0.2 Y, for heavier than air vapors. U = Wind speed, 0.57 m/sec. R = Density of air, 1.25 kg/m3. Ma = Molecular weight of air, 29. d = Distance, 1 mile (1610 m). The methanol concentration at the control room air intakes, calculated using the above equation and estimated parameters, is 53 ppm. This concentration is substantially less than the 400 ppm toxicity limit recommended by Regulatory Guide 1.78. The methanol vapor concentration inside the control room is dependent upon operation of the air conditioning system. In the normal mode of operation, outside air is supplied to the Control room (design flow rate is 3700 cfm). In the emergency mode of operation, dampers isolate the outside air intakes.

The odor of methanol would be readily detected by the operator in the control room and would result in a rapid operator response to switch from the normal to emergency mode. If it is assumed that the air conditioning system is operated in the normal mode for an extended period of time following the methanol spill, concentration of vapor inside the control room is calculated using the follow equation: n)C1(C1C1r 2.2-19 Reformatted Per Amendment 02-01 Where: r = Ratio of vapor concentration inside control room to vapor concentration at the control room air intakes. c = Ratio of outside supply air, 3700 cfm, to control room free volume, 224,940 ft3. n = Elapsed time from initial arrival of the methanol plume at the air intakes. The period of time calculated for methanol vapor concentration inside the control room to increase to the concentration outside (i.e., 53 ppm) is 253 minutes. This period of time is more than adequate for appropriate corrective action. 2.

2.4 REFERENCES

1. Baschab, Captain, Office of Information, Shaw Air Force Base, South Carolina, April 15, 1976. 2. Treadwell, Michael, South Carolina State Development Board, Columbia, South Carolina, May 20, 1976.

3. Bailey, C., South Carolina Division of Research and Statistical Services, Columbia, South Carolina, May 26, 1976.

4. Simmons, J. A., Erdman, R. C., Naft, B. N., The Risk of Catastrophic Spills of Toxic Chemicals, University of California, Los Angeles, California, UCLA-ENG-7425, May, 1974.

5. Department of the Army Technical Manual TN 5-1300, Structures to Resist the Effects of Accidental Explosions, Superintendent of Documents, U. S. Government Printing Office, Washington, D. C.

6. Brobst, W. A., The Probability of Transportation Accidents, U. S. Atomic Energy Commission Division of Waste Management and Transportation, Presented at 14th Annual Explosives Safety Seminar, Department of Defense Explosives Safety Board, New Orleans, Louisiana, November 10, 1972.

7. U. S. Environmental Protection Agency, Compilation of Air Pollutant Emission Factors, Second Edition, Research Triangle Park, North Carolina, March, 1975.

8. Trewartha, G., An Introduction to Climate, McGraw-Hill, 1954. 02-01 2.2-20 Reformatted Per Amendment 02-01 2.2.5 GENERAL REFERENCES Central Midlands Regional Planning Council, Fairfield County Land Use Plan, Department of Housing and Urban Development, South Carolina, April, 1974. Chicago Research Center, Association of American Railroads, Final Phase 02 Report on Accident Review, PA-02-2-18, Chicago, Illinois, August, 1972.

Clemson University (in cooperation with the U. S. Department of Agriculture and South Carolina State Commission of Forestry), South Carolina Timber Buyers, Clemson, South Carolina, 1975.

Haines, W. H. B., Forest Statistics for the Piedmont of South Carolina, U. S. Forest Service Resources Bulletin SE-9, U. S. Department of Agriculture, Southeastern Forest Experimental Station, Asheville, North Carolina, July, 1967. Kinney, G. F., Explosive Shocks in Air, Macmillan, New York, R. 165 ff, 1962. National Transportation Safety Board, A Preliminary Analysis of Aircraft Accident Data, U. S. Civil Aviation 1970, Washington, D. C., 1971.

National Transportation Safety Board, A Preliminary Statistical Analysis of Aircraft Accident Data, U. S. Civil Aviation 1973, Washington D. C., May 1, 1974. National Transportation Safety Board, Annual Review of Aircraft Accident Report Data, U. S. General Aviation 1970, Washington, D. C., April 18, 1974. South Carolina Aeronautics Commission, South Carolina Aeronautical Chart 1975-1976, Columbia, South Carolina, 1975-76.

South Carolina State Development Board, Division of Geology, Mineral Producers in South Carolina, Division of Geology Circular 2, Fourth Edition, Columbia, South Carolina, 1976.

South Carolina State Development Board, Planning and Research Division, Industrial Directory of South Carolina, 1975.

Taylor, J., Detonation in Condensed Explosives, Oxford Press, pp. 103-104, 1952. Tiller, J. R., Report of the State Commission of Forestry, State of South Carolina, Columbia, South Carolina, 1975.

Turner, D. B., Workbook of Atmospheric Dispersion Estimates, Public Heath Service Publication, 1969. RN 01-006 2.2-21 Reformatted Per Amendment 02-01 U. S. Department of the Army Technical Manual, Structures to Resist the Effects of Accidental Explosions, June, 1969. Wall, I. B., Probabilistic Assessment of Aircraft Risk for Nuclear Power Plants, Nuclear Safety 15, pp. 276-284, May-June, 1974.

Wilbur Smith & Associates, Central Midlands Regional Airport Plan, Fairfield, Lexington, Newberry and Richland Counties, South Carolina, Condensed Report, Columbia, South Carolina, September, 1971.

2.2.6 PERSONAL COMMUNICATIONS Aaron, George W., Federal Aviation Administration, Columbia Metropolitan Airport, Columbia, South Carolina, April 13, 1976.

Barrineau, Thomas, Fairfield County Airport, Winnsboro, South Carolina, April 30, 1976. Barry, John F., Deputy Director, South Carolina Aeronautics Commission, Columbia, South Carolina, April 13-14, 1976.

Begy, Mr., Midlands Aviation, Owens Field Downtown Airport, Columbia, South Carolina, April 27, 1976.

Bradley, Mr., Army Corps of Engineers, Atlanta Operations Branch, Atlanta, Georgia, April 22, 1976.

Buck, B. N., Allied Chemical Corporation, Fibers Division, Columbia, South Carolina, April 29, 1976.

Carson, Jr., Paul B., Information And Education Assistant, South Carolina State Commission of Forestry, Columbia, South Carolina, April 14, 1976.

Cathcart, S. D., Sabie Cathcart Airport, Winnsboro, South Carolina, April 30, 1976. Chapman, Pat, Nylene Corporation, Jenkinsville, South Carolina, April 28, 1976. Connelly, James, Connelly Field (Private Airport), Silverstreet, South Carolina, April 30, 1976.

Davis, Colonel James R., Facility Commander Army Aviation Support Facility, McEntire Air National Guard Base, South Carolina, April 15, 1976. Dillingham, Norman, Dillingham Aviation, Newberry Municipal Airport, Newberry, South Carolina, April 30, 1976.

Dukes, William, Interstate Materials, Inc. Division of Clement Bros. Company, Jenkinsville, South Carolina, April 28, 1976. 2.2-22 Reformatted Per Amendment 02-01 Dunlap, Melvin E., MAST Unit, Fort Jackson Army Aviation Section, Fort Jackson, South Carolina, April 13, 1976.

Eagle Aviation, Columbia Metropolitan Airport, Columbia, South Carolina, May 7, 1976. Fetter, R.P., Southern Railway System, Washington, D. C., July, 1976. Hopkins, Mr., Uniroyal Fiber and Textile, Uniroyal, Inc., Columbia, South Carolina, April 28, 1976.

Huntley, William, FAA Tower, Federal Aviation Administration, Columbia Metropolitan Airport, Columbia, May 13, 1976.

Johnson, Colonel Robert A., Commander of 169th TAC FTG. Gp., McEntire Air National Guard Base, South Carolina, April 15, 1976. Kendrick, J. P., FAA Tower, Federal Aviation Administration, Atlanta, Georgia, June 16, 1976.

Linton, Major S., Directorate of Plans and Training, Headquarters Fort Jackson Base, South Carolina, April 16, 1976.

Miller Aviation, Columbia Metropolitan Airport, Columbia, South Carolina, May 7, 1976. Oliver, Lieutenant Michael, Office of Information, Shaw Air Force Base, South Carolina, April 15, 1976.

Oxner, Mr., Oxner's Airport (Private Airport), Whitmire, South Carolina, April 27, 1976. Parrish, Don., Southern Railway System, Washington, D. C., July, 1976. Perry, W. A., Winnsboro Granite Corporation, Rion, South Carolina, April 27, 1976. Richardson, Tom., Fairfield County Tax Assessor, Winnsboro, South Carolina, June 16, 1976.

Ringer, William, Lone Star Industries, Blair, South Carolina, April 22, 1976. Sexton, James, Sexton Airport (Private Airport), Newberry, South Carolina, April 27, 1976.

Shealy, Gilbert, Gilbert Shealy Airport (Private Airport), Lake Murray, South Carolina, April 30, 1976.

2.2-23 Reformatted Per Amendment 02-01 Smith, Robert, General Electric Company, Electronic Capacitor Production Section, Columbia, South Carolina, April 29, 1976. Stites, James S., Chief, South Carolina Public Service Commission, Gas Department, Utilities Division, Columbia, South Carolina, April 16, 1976.

Thomas, Sergeant Harry, Fort Jackson Army Aviation Section, Fort Jackson, South Carolina, April 16, 1976.

Turner, M. P. Fritz, Director, LP-Gas and Anhydrous Ammonia Services, State of South Carolina, Division of General Services, Budget and Control Board, Columbia, South Carolina, April 28, 1976.

Westbrook, R. A., Farm Milling Services, Monticello, South Carolina, May 3, 1976. Willson, Marge, Martin Marietta Aggregates, Cayce, South Carolina, May 11, 1976. 2.2-24 Reformatted Per Amendment 02-01 TABLE 2.2-1 INDUSTRIAL FACILITIES WITHIN 5 MILES OF THE SITE Company Distance from Plant Site (Miles) Products Hazardous Material Current Employment Nylene Corp.

2.6 SE Nylon pellets Brush bristle Monofilament fish line 42,000 lbs. caprolactan 10 Farm Milling Service 3.6 NE Animal Feed Fertilizer 150-200 tons Ammonium nitrate (Solid & liquid) 7 Interstate Materials, Inc. Division of Clement Bros. Co. 3.0 NE Crushed stone (granite) 25,000 lbs. Ammonium nitrate & Torpex (water gel) 50,000 lbs. Ammonium nitrate & fuel oil (ANFOPrill) 35 Interstate Materials, Inc. Division of Clement Bros. Co. 4.8 NW Sand None 6 Winnsboro Granite Corp. 4.8 NE Dimension stone 100 lbs. black powder 200 blasting caps 20 02-01 2.2-25 Reformatted Per Amendment 02-01 TABLE 2.2-2 AIRPORTS WITHIN 30 MILES OF THE SITE Airport Distance (mi) And Direction Site No. and Type of Aircraft Based at the Airport Largest Type of Aircraft Likely to Land at the Airport Runway Direction and Length (Feet) Runway Composition Hours Attended Yearly Operations Gilbert Shealy's Airport 14 SW 2 Single Engines 182 Cessna 120+300 1200' Turf Unattended Private - Not Available Owens Field 27 SE 99 Single & Twin Engines DC-3 70+250 3456' 150+330 3607' Asphalt Asphalt 7:00 AM - 10:00 PM 75,696 Newberry Municipal 18 W 11 Single Engines Citation Cessna 40+220 3500' Asphalt 8:00 AM -7:00 PM 10,800 Airport 2 Twin Engines 100+280 2400' Turf Oxner's Airport 19 NW 2 Single Engines 310 Cessna 90+270 2950' Turf 8:00 AM - 5:00 PM Private -Not Available J. Sexton 27 W 1 Single Engine 182 Cessna 90+270 1700' Turf Unattended 400 Connelly Field 25 W 3 Single Engines 182 Cessna 50+230 2000' Turf Unattended 600-700 Fairfield Co. Airport 10 E 3 Single Engines C-47 Twin Engine 40+220 3200' Asphalt Unattended 3,000 - 5,000 Sabie Cathcart 13 NE 1 Single Engine Light Twin 150+330 2000' Turf Unattended 1,000 Winnsboro Airport 14 1/2 NE CLOSED CLOSED CLOSED Clemson (Pontiac) Experimental Station Airstrip 28 SE Information not available Columbia Metropolitan Airport 24 SE 91 Single + Twin Engines 1 Small Jet C-5 Transport Plane 110+290 7550' 50+230 5000' Asphalt Asphalt 24 Hours 118,182 02-01 02-01 2.2-26 Reformatted Per Amendment 02-01 TABLE 2.2-3 Page 1 of 2 INDUSTRIAL FACILITIES WITH HAZARDOUS MATERIALS WITHIN 20 MILES OF THE SITE Company Location Petrochemical & Plastics Bulk Propane Storage (A.G.W.G) Maximum Amount of Explosives Stored Product Allied Chemical Corp. Irmo 4,500 tons (2) - 30,0001 Nylon staple, Nylon & polyester fil yarn Chrysler Corp. (Airtemp S.C., Inc.) Winnsboro (1) - 18,000 (1) - 12,000 Air Conditioning & heating products Corena Mfg. Company Winnsboro (1) - 30,000 Lawn & casual furniture Uniroyal Fibers Textiles Winnsboro (2) - 30,000 Tire Cord-rayon Nylon polyester steel United States Rubber Company* Winnsboro (1) 18,000 General Electric Company Irmo Urea-Formaldehyde [Genol] 2 tons 100,000 gals, Fuel Capacitors Lone Star Industries (Quarry) Blair Atlas Powder 12,300 lbs. Ammonium Nitrate 700 bags Crushed stone Martin Marietta Aggregates (Quarry) Rion Ammonium Nitrate 14,600 lbs. Dynamite [Hydrive] 5,500 lbs. Crushed stone [ ] Indicates trade name of explosive

• Not listed in 1975 South Carolina Industrial Directory A.G.W.G. denotes Above Ground Water Gallons Capacity Storage L.P.G.D. denotes Liquefied Petroleum Gas Dealer 1 Number of tanks - Capacity in gallons 2.2-27 Reformatted Per Amendment 02-01 TABLE 2.2-3 (Continued) Page 2 of 2 INDUSTRIAL FACILITIES WITH HAZARDOUS MATERIALS WITHIN 20 MILES OF THE SITE Company Location Petrochemical & Plastics Bulk Propane Storage (A.G.W.G) Maximum Amount of Explosives Stored Product Nylene Corporation ** Jenkinsville 42,000 lbs caprolactam Nylon Pellets, Brush bristles, monofilament fish line Farm Milling Service ** Monticello Ammonium Nitrate 150-200 tons Animal feed &

fertilizer Interstate Materials, Inc. ** (Quarry) Jenkinsville Ammonium Nitrate 25,000 lbs. Crushed Stone Ammonium Nitrate & Fuel Oil [ANFO Prill] 50,000 lbs. Winnsboro Granite Corporation ** Jenkinsville Black Powder 100 lbs. 200 blasting caps Dimension stone Clinton-Newberry Gas Authority (Utility) Newberry (5) - 30,0001 Farmers Ice & Fuel Company (L.P.G.D.) Newberry (1) - 18,000 Liquefied Petroleum Gas Pargas of Newberry (L.P.G.D.) Newberry (1) - 30,000 (4) - 4,000 Liquefied Petroleum Gas Porter Gas Service (L.P.G.D.) Winnsboro (1) - 18,000 Liquefied Petroleum Gas Superior Gas Company (L.P.G.D.) Winnsboro (1) - 30,000 (1) - 18,000 Liquefied Petroleum Gas [ ] Indicates trade name of explosive ** Located on Fig. 2.2-1 A.G.W.G. denotes Above Ground Water Gallons Capacity Storage L.P.G.D. denotes Liquefied Petroleum Gas Dealer 1 Number of tanks - Capacity in gallons 02-01 02-01 .'.*****LEGEND:I.NYLENECORPORATION2.FARMMILLINGSERVICE3.INTERSTATEMATERIALS.INC.DIVISIONOFCLEMENTBROS.4.INTERSTATEMATERIALS,INC.DIVISIONOFCLEMENTBROS.5.WINNSBOROGRANITECORP.6.BURIED12"NATURALGASPIPELINE.

REFERENCE:

THEBASEFORTHISMAPWASPREPAREDFROMENLARGEDOFTHEFOLLOWINGS.C.STATEHWY.DEPT.*GENERALHWY.MAPS.LEXINGTONCOUNTY1958,REVISED1970,NEWBERRYCOUNTY.1961.REVISED1970,FAIRFIELDCOUNTY1962,REVISED1970,ANDRICHLANDCOUNTY1963.REVISED1969.STATUTEMILESoI2SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONSiteVicinityMapFigure2.2-' LEGEND:Figure2.2-2RESTRICTEDAREAS30!AN1020STATUTEMILESoiSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONAirportFacilitiesMap*AIRCRAFTFACILITIESDISCUSSEDINTEXTNOTE:TRAININGROUTESANDMILITARYOPERATINGAREASPERTAINTOSHAWAIRFORCEBASE.

REFERENCE:

THEBASEFORTHISMAPWASPREPAREDFROMAPORTIONOFTHESOUTHCAROLINAAERONAUTICALCHART.1975-1976PREPAREDBYTHESOUTHCAROLINAAERONAUTICSCOMMISSION*****e-*

• • • • • • • ANo510SCALEINMILESCHRYSLERCORPORATIONCORENAMANUFACTURINGCOMPANYUNIROYALFIBERSTEXTILESUNITEDSTATESRUBBERCOMPANYPORTERGASSERVICESUPERIORGASCOMPANY2ALLIEDCHEMICALCORpORATION--..:::JTGENERALELECTRICCOMPANY3LONESTARINDUSTRIES4$MARTINMARIETTAAGGREGATESCLINTONNEWBERRYGASAUTHORITY-..:::JrFARMERSICEANDFUELCOMPANYPARGASOFNEWBERRY

REFERENCE:

THEBASEFORTHISMAPWASPREPAREDFROMAPORTIONOFU.S.G.S.TOPOGRAPHICMAPOFSPARTANBURG,S.C.""",N.C.,1953SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONIndustriesStoringHazardousMaterialsWithin5-20MilesFigure2.2-3\

2.3-40AMENDMENT 97-01AUGUST 1997TABLE 2.3-1ESTIMATED POINT RAINFALL MAXIMA (INCHES) FOR THE SITE AREAReturn Period (Years)Duration12510255010030 Min.1.101.351.702.002.202.452.801 Hr.1.401.652.152.402.803.153.402 Hr.1.752.002.602.903.403.804.253 Hr.1.802.252.803.353.804.154.656 Hr.2.252.653.403.904.605.005.7512 Hr.2.603.104.004.605.156.006.5524 Hr.3.003.504.505.406.006.907.60 Data Source: 2.3.1-F 2.3-41AMENDMENT 97-01AUGUST 1997TABLE 2.3-2MAXIMUM RECORDED POINT RAINFALL (INCHES)FOR SELECTED STATIONS IN THE REGIONGreenville (1918-1932;1938-1961) 1Spartanburg (1941-1961)Columbia (1897-1973)DurationAmountDateAmountDateAmountDate5 Min.0.807/4/560.50 39/22/510.748/20/1110 Min.1.277/4/560.95 39/22/511.057/26/2215 Min.1.527/4/561.24 39/22/511.397/26/2230 Min.2.307/9/281.85 39/22/512.40196560 Min3.639/6/513.209/22/513.9019652 Hr.4.499/6/513.539/22/515.0319653 Hr.5.299/6/514.4210/6/495.0319656 Hr.5.789/6/516.1910/6/495.03196512 Hr.6.209/6/516.6710/6/496.778/16/4924 Hr.8.205/7/10 27.00 48/15/287.66 58/16/49 1.Period of record is in parentheses on this and succeeding tables except as otherwise indicated.2.Period of record is 1893 through 1961.3.Period of record is 1951 through 1961.4.Period of record is 1897 through 1961.5.Period of record is 1887 through 1973. Data Source: 2.3.1-A and G. 2.3-42Reformatted PerAmendment 02-01TABLE 2.3-3EXTREME SNOWFALLS (INCHES)AT SELECTED STATIONS IN THE REGIONGreenville (1905-1970)Spartanburg (1899-1970)Columbia (1897-1973)PeriodAmountDateAmountDateAmountDate24 Hr.14.412/16-17/3015.02/14-15/0215.72/73Calendar Month15.33/6015.02/0216.02/73Season20.41935-3617.51901-0218.21972-73MonthGreenville - Spartanburg Airport (1963-1973)Columbia (1947-1973)AmountYearAmountYearJanuary9.119662.21973February6.9196916.01973March6.619713.21960April0.00.0May0.00.0June0.00.0July0.00.0August0.00.0September0.00.0October0.00.0November1.91968T 11968 2December11.419719.11958 1Trace, an amount too small to measure.2Amount also occurred on earlier date(s).Data Source: 2.3.1-A, I, and J. 02-01 2.3-43Reformatted PerAmendment 02-01TABLE 2.3-4WEIGHT OF SNOW AND ICE ON ROOF OFEACH SEISMIC CATEGORY I STRUCTUREName of Safety-Related StructureEstimated HorizontalRoof Area (ft2)Weight of SnowAnd Ice (total lbs) 1Auxiliary Building15,240198,120Reactor Building14,070182,910Control Room12,030156,390Intermediate Building21,500279,500Diesel Generating Building4,73061,490Condensate Storage Tank1,30016,900Fuel Handling Building6,41083,330Service Water Intake Structure3,17041,210 1Based on the 100 year return period ground snow load of 13 lbs/ft2 without applying snowload coefficients given in Data Source 2.3.1-K. 2.3-44AMENDMENT 97-01AUGUST 1997TABLE 2.3-5AVERAGE MONTHLY AND SEASONALNUMBER OF OCCURRENCES OF HAIL3/4 INCH IN DIAMETER OR GREATER IN SOUTH CAROLINA (1955-1967)January0.0July0.6February0.0August0.2March0.9September0.0April1.0October0.1May1.9November0.1June0.8December0.1Winter0.1Summer1.5Spring3.8Autumn0.2Annual 5.6 Data Source:2.3.1-N 2.3-45AMENDMENT 97-01AUGUST 1997TABLE 2.3-6MEAN NUMBER OF THUNDERSTORM DAYS 1AT SELECTED STATIONS IN THE REGIONPeriodColumbia(1948-1973)Greenville(1884-1930)Greenville-Spartanburg Airport(1963-1973)January1* 2*February11*March333April443May686June996July131312August1097September463October111November111December*11Winter221Spring131512Summer323125Autumn685Annual545643 1Defined as a day on which thunder is heard at the station.2Less than one half.Data Source: 2.3.1-A, I, O 2.3-46AMENDMENT 97-01AUGUST 1997TABLE 2.3-6ASEASONAL/ANNUAL ESTIMATES OF LIGHTNING STRIKES TOSAFETY-RELATED STRUCTURESSafety-Related StructureWinter(DJF)Spring (MAM)Summer(JJA)Fall(SON)AnnualAuxiliary Building0.0060.0240.0590.0110.099Reactor Building0.0260.1150.2820.0530.476Control Room0.0070.0290.0710.0130.120Intermediate Building0.0080.0340.0850.0160.143Diesel Generating Building0.0020.0100.0250.0050.043Fuel Handling Building0.0070.0290.0720.0140.122Service Water Intake Building0.0010.0040.0110.0020.018 *

Reference:

Marshall, J. L., Lightning Protection, 1973. (2.3.1-P1) 2.3-47AMENDMENT 97-01AUGUST 1997TABLE 2.3-6BSOUTH CAROLINA COUNTIES INTHE TORNADO STUDY AREAChesterUnionFairfieldLaurensSaludaLexingtonRichlandCalhounKershawOrangeburgAikenBarnwellEdgefieldMcCormickGreenwoodNewberry 2.3-48Reformatted PerAmendment 00-01TABLE 2.3-6CCHRONOLOGICAL LISTING OF TORNADOESIN VIRGIL C. SUMMER STUDY AREA (1950-1976)NumberDateInitial CountyLength MilesArea Class1Intensity Class213/3/52OrangeburgU*MI425/11/52Barnwell45GI236/12/52BarnwellUMI346/1/53Orangeburg10MI352/28/54RichlandUMI163/14/54OrangeburgUMI273/14/54Aiken1ME483/31/54KershawUMI393/31/54LexingtonUMI1103/31/54OrangeburgUMI1115/23/54ChesterUMI1123/13/55Saluda10MA5134/6/55Chester1.5ME4145/24/55AikenUME2156/11/55RichlandUMI3164/5/57Lexington25ME4174/5/57Newberry3ME2184/8/57Union14.5MA5194/22/58GreenwoodUMI2204/22/58Calhoun16MA3214/29/59Orangeburg< 0.1MI1223/30/60Laurens10ME4233/30/60Newberry6ME4242/24/61Aiken0.5MI2252/24/61Aiken0.5MI2262/24/61Orangeburg0.5MI22711/23/61Orangeburg0.1MI2281/6/62McCormick1MI4297/24/62Orangeburg1MI2304/30/63Barnwell1ME1318/20/63Orangeburg0.3MI3329/28/63Orangeburg0.5MI2339/28/63Lexington2ME1344/8/64BarnwellUMI1354/8/64Orangeburg< 0.1MI1367/3/64Richland< 0.1MI2 *U = unknown by Weather Bureau 02-01 2.3-49Reformatted PerAmendment 00-01TABLE 2.3-6C (Continued)NumberDateInitial CountyLength MilesArea Class1Intensity Class2378/29/64Richland1MI3388/29/64Kershaw0.1MI2393/26/65Richland< 0.1MI1405/24/65Orangeburg< 0.1MI1417/23/65Orangeburg< 0.1MI2428/16/65Kershaw3MI3438/25/65Aiken< 0.1MI1444/7/67Kershaw2MA2455/29/67Richland0.5MI44611/24/67Richland1MI4474/18/69Newberry4ME2484/18/69Kershaw0.5ME4494/18/69Kershaw0.8MI3504/18/69Newberry2ME3512/22/71Calhoun10ME3523/3/71Orangeburg6ME2535/12/71Richland0.3MI1541/10/72McCormick2ME1551/10/72Lexington6ME4561/13/72Barnwell10ME5575/24/73Barnwell40ME1582/22/74Lexington1MI2593/21/74McCormick< 1ME5603/21/74Edgefield1MI5613/21/74Calhoun0.5MI3622/18/75Barnwell3ME4635/15/75Chester0.1MI4645/15/75Newberry0.1MI3659/17/75Aiken1MI26611/12/75Edgefield0.5MI5673/16/76Orangeburg< 0.1MI2685/15/76Orangeburg3MI2695/15/76Richland4MI3705/28/76Barnwell3.5MI3715/28/76Barnwell0.5MI11MI=MicroME=MesoMA=RegularGI=Giant2Intensity Classes are defined in Table 2.3-6D 2.3-50AMENDMENT 97-01AUGUST 1997TABLE 2.3-6DCATEGORIES FOR DAMAGING WINDSCategoryWind Speed (mph)Expected Damage150 - 90Trees uprooted, blown down280 - 120Partial roof damage, house trailers moved or rolled3100 - 150Total roof removal, minor home damage4120 - 180Small buildings damaged, partial to extensive home damage, weak structures demolished5150 - 250Homes destroyed, substantial buildings damaged6225 - 300+Catastrophic destruction, substantial buildings destroyed 2.3-51AMENDMENT 97-01AUGUST 1997TABLE 2.3-7DIURNAL DISTRIBUTION OF WIND STORMS FOR SOUTH CAROLINA (1955-1967)TimeNumber ofOccurrences 1TimesNumber ofOccurrences01003130070200214008030001500180400016002905002170015060011800100700019001808003200080900221006100042200311002230001200224001 1.During the one-hour period ending at the indicated time. Data Source:2.3.1-N 2.3-52Reformatted PerAmendment 00-01TABLE 2.3-8ESTIMATED MIXING HEIGHTS AND WIND SPEEDSFOR THE GENERAL SITE AREAMorningAfternoonSeasonMixing Height(Meters)Wind Speed(Meters/Second)Mixing Height(Meters)Wind Speed(Meters/Second)Winter3806.010007.0Spring3805.316407.4Summer4004.516005.6Fall3004.513506.0Annual3705.414006.6EPISODES OF HIGH AIR POLLUTION POTENTIAL LASTINGTWO OR MORE DAYS AT COLUMBIA, SOUTH CAROLINAMixing Height(Meters)Wind/Speed(Meters/Second) 2 4 6500000100002131500015602000030100EPISODES OF HIGH AIR POLLUTION POTENTIAL LASTINGFIVE OR MORE DAYS AT COLUMBIA, SOUTH CAROLINAMixing Height(Meters)Wind/Speed(Meters/Second) 4 6500001000001500132000213 Data Source: 2.3.1-U 02-01 2.3-53Reformatted PerAmendment 02-01TABLE 2.3-9ANNUAL PERCENT FREQUENCY DISTRIBUTION OF WINDAT COLUMBIA, S. C. (1951-1960)WindWind Speed (miles/hour)MeanDirection0-34-78-1213-1819-24 25TotalSpeedN0.52.21.60.5++4.97.7NNE0.62.62.40.90.1+6.58.3NE0.93.42.80.9++8.17.7ENE0.72.61.60.5++5.37.1E0.62.10.90.2++3.76.4ESE0.31.51.10.2++3.17.3SE0.41.60.90.2++3.17.1SSE0.41.30.80.40.1+3.08.0S0.61.81.30.70.1+4.58.1SSW1.02.72.31.30.2+7.48.6SW1.33.93.01.60.3+10.18.4WSW0.92.71.91.50.40.17.49.1W0.91.91.31.00.3+5.48.8WNW0.51.51.31.10.2+4.79.5NW0.51.81.30.60.1+4.38.4NNW0.41.61.40.60.1+4.18.3Calm14.414.4Total24.835.025.912.11.80.3100.07.0 "+"indicates percentages less than .05 but greater than zeroData Source: 2.3.2-A 02-01 2.3-54Reformatted PerAmendment 02-01TABLE 2.3-10JANUARY PERCENT FREQUENCY DISTRIBUTION OF WINDAT COLUMBIA, S.C. (1951-1960)WindWind Speed (miles/hour)MeanDirection0-34-78-1213-1819-2425TotalSpeedN0.51.81.10.7.14.18.0NNE0.41.61.50.5.1+4.18.2NE0.92.92.20.6+6.67.3ENE0.71.91.20.44.27.0E0.61.70.60.1+3.05.7ESE0.40.90.30.1+1.66.3SE0.51.00.3+1.85.6SSE0.40.80.40.30.1+2.18.5S0.71.50.80.60.13.67.7SSW1.02.01.91.50.30.16.99.3SW1.44.02.72.40.4+10.99.0WSW1.33.32.32.30.5+9.79.4W1.32.41.71.90.60.17.99.6WNW0.71.81.61.60.3+6.19.7NW0.82.12.01.40.16.48.8NNW0.51.82.01.10.15.59.1Calm15.615.6Total27.631.222.715.52.80.3100.07.2 "+"indicates percentages less than .05 but greater than zeroData Source: 2.3.2-A 2.3-55Reformatted PerAmendment 02-01TABLE 2.3-11FEBRUARY PERCENT FREQUENCY DISTRIBUTION OF WINDAT COLUMBIA, S. C. (1951-1960)WindWind Speed (miles/hour)MeanDirection0-34-78-1213-1819-24 25TotalSpeedN0.52.01.40.4+4.47.6NNE0.62.42.50.8+6.38.0NE0.73.02.81.3+7.78.3ENE0.82.71.40.45.36.9E0.62.51.00.24.36.4ESE0.31.10.60.12.16.5SE0.41.00.50.2+2.17.0SSE0.31.00.60.50.2+2.79.3S0.41.21.01.00.3+3.99.9SSW0.81.82.11.80.40.17.110.1SW1.12.93.02.40.50.110.09.8WSW0.92.32.02.00.50.27.810.2W1.02.12.11.90.4+7.59.8WNW0.62.02.11.80.40.17.010.1NW0.41.81.40.7+0.14.48.6NNW0.41.71.80.6+4.58.2Calm12.612.6Total22.431.726.316.22.80.7100.07.8 "+"indicates percentages less than .05 but greater than zeroData Source: 2.3.2-A 02-01 TABLE 2.3-12 MARCH PERCENT FREQUENCY DISTRIBUTION OF WIND AT COLUMBIA, S. C. (1951-1960) Wind Wind Speed (miles/hour) Mean Direction 0-34-78-1213-1819-2425TotalSpeedN 0.4 2.1 1.6 0.6 0.1 4.7 8.1 NNE 0.5 1.9 2.1 0.7 0.1 5.3 8.3 NE 0.5 3.1 2.6 0.8 + 6.9 7.9 ENE 0.3 2.2 2.1 0.8 + 5.5 8.2 E 0.6 1.8 1.2 0.2 + 3.8 6.8 ESE 0.3 1.3 0.7 0.3 2.4 7.4 SE 0.2 1.1 0.8 0.3 + 2.4 8.2 SSE 0.2 1.0 0.6 0.7 0.1 + 2.7 9.7 S 0.2 1.0 1.1 1.0 0.2 + 3.5 10.5 SSW 0.6 1.7 2.3 1.9 0.4 0.1 6.9 10.5 SW 0.9 3.2 2.9 2.5 0.7 0.1 10.3 10.2 WSW 0.7 2.3 2.0 2.3 0.9 0.3 8.5 11.4 W 0.8 2.4 1.9 2.0 0.7 0.1 7.9 10.6 WNW 0.6 1.8 2.0 2.4 0.8 0.1 7.5 11.4 NW 0.3 1.9 1.7 1.4 0.2 + 5.4 9.7 NNW 0.3 2.1 2.3 1.0 0.1 5.9 9.0 Calm 10.3 10.3 Total 17.5 30.8 27.8 18.8 4.3 0.8 100.0 8.6

  "+" indicates percentages less than .05 but greater than zero   Data Source:  2.3.2-A  2.3-56 AMENDMENT 97-01   AUGUST 1997 TABLE 2.3-13  APRIL PERCENT FREQUENCY DISTRIBUTION OF WIND AT COLUMBIA, S. C. (1951-1960) Wind   Wind Speed (miles/hour)   Mean Direction  0-34-78-1213-1819-24 25TotalSpeedN 0.2 1.2 1.7 0.7 0.1  3.9 9.4 NNE 0.2 1.0 1.3 0.7 0.2 + 3.5 10.3 NE 0.7 1.7 1.8 0.6 0.1  4.8 8.0 ENE 0.5 1.7 1.6 0.6 +  4.4 8.0 E 0.4 2.2 1.0 0.3   4.0 6.8 ESE 0.2 1.6 1.5 0.3   3.7 8.2 SE 0.3 1.7 1.3 0.6 0.1 + 3.9 8.3 SSE 0.3 1.4 1.6 1.3 0.3 0.1 4.9 10.4 S 0.5 1.8 2.6 1.6 0.3  6.9 10.0 SSW 0.6 2.9 3.8 2.9 0.6 0.2 11.1 10.8 SW 0.7 3.5 3.2 2.7 0.7 0.1 10.9 10.2 WSW 0.7 2.2 2.0 2.2 1.0 0.2 8.4 11.4 W 0.6 1.8 1.1 1.4 0.7 0.1 5.6 10.7 WNW 0.2 1.1 1.8 1.6 0.5 0.1 5.3 11.8 NW 0.3 1.4 1.4 0.7 0.1 + 4.0 9.0 NNW 0.2 1.3 1.4 0.9 0.1  + 3.8 9.7 Calm  10.9      10.9  Total 17.5 28.5 29.1 19.2 4.8 1.0 100.0 8.8  
  "+" indicates percentages less than .05 but greater than zero   Data Source: 2.3.2-A  2.3-57 AMENDMENT 97-01   AUGUST 1997 TABLE 2.3-14  MAY PERCENT FREQUENCY DISTRIBUTION OF WIND AT COLUMBIA, S. C. (1951-1960)  Wind   Wind Speed (miles/hour)   Mean Direction  0-34-78-1213-1819-2425TotalSpeedN 0.3 2.1 1.3 0.3 +  4.2 7.5 NNE 0.2 2.2 1.6 0.7 0.1  4.8 8.4 NE 0.3 2.3 2.3 1.2 0.1  6.2 8.8 ENE 0.5 2.7 2.2 0.5   5.9 7.6 E 0.5 2.1 1.5 0.3   4.4 7.2 ESE 0.3 1.4 1.9 0.3   3.8 7.8 SE 0.5 1.8 1.4 0.3 +  4.0 7.3 SSE 0.5 1.2 1.2 0.4   3.2 7.6 S 0.6 2.1 1.3 0.6 +  4.5 7.5 SSW 1.0 2.8 2.9 1.1 0.1 + 8.1 8.3 SW 1.3 4.5 3.6 1.5 0.2 + 11.1 8.1 WSW 0.9 3.7 2.8 1.5 0.3  9.3 8.5 W 0.7 2.4 1.4 1.0 0.2 0.1 5.8 8.5 WNW 0.3 1.5 1.6 1.3 0.1 + 4.8 9.8 NW 0.4 2.1 1.9 0.8 +  5.2 8.2 NNW 0.2 1.7 1.3 0.3 +  3.6 7.7 Calm  11.2      11.2  Total 19.9 36.5 30.2 12.1 1.2 0.1 100.0 7.2  
  "+" indicates percentages less than .05 but greater than zero   Data Source: 2.3.2-A  2.3-58 AMENDMENT 97-01   AUGUST 1997 TABLE 2.3-15  JUNE PERCENT FREQUENCY DISTRIBUTION OF WIND AT COLUMBIA, S. C. (1951-1960)  Wind   Wind Speed (miles/hour)   Mean Direction  0-34-78-1213-1819-24 25TotalSpeedN 0.3 1.9 1.0 0.3 +  3.6 7.3 NNE 0.7 2.1 1.8 0.5 + + 5.1 7.7 NE 1.0 3.1 2.5 0.7 +  7.3 7.4 ENE 0.9 3.2 1.6 0.3 +  6.1 6.6 E 0.6 2.0 1.1 0.1   3.8 6.6 ESE 0.3 2.1 1.8 0.4   4.6 7.6 SE 0.6 2.4 1.4 0.4 + + 4.9 7.3 SSE 0.7 2.2 1.2 0.4 +  4.6 7.1 S 1.0 2.4 1.6 0.6 0.1  5.7 7.2 SSW 0.9 4.0 2.5 1.2 0.1 + 8.7 7.7 SW 1.2 4.4 3.9 1.4 0.2  11.0 8.1 WSW 0.5 2.9 2.0 1.5 0.1  7.1 8.7 W 0.6 2.0 1.2 0.6 0.1  4.4 7.7 WNW 0.4 1.7 1.5 0.7 +  4.4 8.3 NW 0.5 2.0 1.3 0.4   4.2 7.2 NNW 0.3 1.3 0.9 0.4   2.8 7.7 Calm  11.8      11.8  Total 22.2 39.7 27.6 9.9 0.6 + 100.0 6.7  
   "+" indicates percentages less than .05 but greater than zero   Data Source: 2.3.2-A  2.3-59 AMENDMENT 97-01   AUGUST 1997 TABLE 2.3-16  JULY PERCENT FREQUENCY DISTRIBUTION OF WIND AT COLUMBIA, S. C. (1951-1960)  Wind   Wind Speed (miles/hour)   Mean Direction  0-34-78-1213-1819-24 25TotalSpeedN 0.4 1.5 0.9 0.2 +  3.0 7.1 NNE 0.5 2.3 1.6 0.4 0.1 + 4.9 7.5 NE 1.1 2.8 2.1 0.6 +  6.8 7.3 ENE 0.7 3.0 1.9 0.7   6.3 7.3 E 0.4 2.4 1.2 0.3   4.4 6.8 ESE 0.4 2.3 1.7 0.4   4.7 7.4 SE 0.3 2.4 1.7 0.3 +  4.8 7.4 SSE 0.5 2.1 1.5 0.4 0.1  4.5 7.4 S 0.8 3.1 2.2 0.8 +  6.8 7.5 SSW 1.1 4.7 3.5 1.2 0.1  10.4 7.7 SW 1.0 6.0 4.4 1.8 0.1  13.2 7.9 WSW 0.6 2.8 2.2 1.0 +  6.6 8.1 W 0.6 1.5 1.1 0.5 +  3.7 7.6 WNW 0.3 1.5 1.0 0.4 0.1  3.4 8.0 NW 0.5 1.5 0.7 0.2 0.1  3.0 6.5 NNW 0.2 0.9 0.6 0.1 + 0.1 2.0 8.1 Calm  11.6      11.6  Total 21.0 40.7 28.3 9.3 0.6 0.1 100.0 6.7  
  "+" indicates percentages less than .05 but greater than zero   Data Source:  2.3.2-A  2.3-60 AMENDMENT 97-01   AUGUST 1997 TABLE 2.3-17  AUGUST PERCENT FREQUENCY DISTRIBUTION OF WIND AT COLUMBIA, S. C. (1951-1960)  Wind   Wind Speed (miles/hour)   Mean Direction  0-34-78-1213-1819-24 25TotalSpeedN 0.7 2.5 1.6 0.7 0.1 + 5.5 7.8 NNE 0.7 3.0 2.5 0.9 0.1 + 7.3 8.1 NE 1.3 4.0 2.5 0.4 + + 8.2 6.8 ENE 0.6 2.9 1.5 0.3   5.3 6.9 E 0.5 2.5 1.0 0.1  + 4.1 6.3 ESE 0.3 1.8 1.5 0.3   3.9 7.5 SE 0.7 2.0 1.1 0.2 +  4.1 6.7 SSE 0.6 1.8 0.7 0.2 +  3.3 6.6 S 1.0 2.7 1.6 0.5 +  5.7 6.8 SSW 1.2 4.5 2.8 0.6   9.1 6.9 SW 1.2 6.0 3.5 0.6 + + 11.4 7.0 WSW 0.6 3.1 1.4 0.4 0.1  5.5 6.9 W 0.6 1.8 0.8 0.2   3.4 6.6 WNW 0.6 1.2 0.7 0.3 +  2.7 6.9 NW 0.6 1.8 0.8 0.3 0.1  3.6 7.0 NNW 0.5 1.3 1.0 0.4 0.1 + 3.3 8.2 Calm  13.6      13.6  Total 25.1 42.9 24.9 6.5 0.5 0.1 100.0 6.1  
  "+" indicates percentages less than .05 but greater than zero   Data Source: 2.3.2-A  2.3-61 AMENDMENT 97-01   AUGUST 1997 TABLE 2.3-18  SEPTEMBER PERCENT FREQUENCY DISTRIBUTION OF WIND AT COLUMBIA, S. C. (1951-1960)  Wind   Wind Speed (miles/hour)   Mean Direction  0-34-78-1213-1819-24 25TotalSpeedN 0.7 3.2 2.0 0.4 0.1 0.1 6.5 7.5 NNE 0.9 5.0 4.4 1.3 0.1 + 11.7 8.0 NE 1.3 5.8 5.1 2.2 0.1 + 14.5 8.2 ENE 1.1 3.8 2.8 0.8  + 8.5 7.4 E 0.8 2.7 1.2 0.3   4.9 6.3 ESE 0.3 1.6 1.5 0.3  + 3.7 7.9 SE 0.4 1.8 1.0 0.2 +  3.5 6.9 SSE 0.4 1.5 0.7 0.2  + 2.8 6.6 S 0.6 2.2 1.1 0.3 + + 4.2 6.9 SSW 0.9 2.0 1.3 0.5 0.1  4.8 7.3 SW 1.3 2.6 1.5 0.4 +  5.8 6.7 WSW 0.7 1.3 0.9 0.2 +  3.1 6.8 W 0.5 0.7 0.4 0.2   1.9 6.3 WNW 0.4 0.8 0.4 0.1   1.7 6.2 NW 0.4 1.5 0.6 0.3 +  2.8 6.8 NNW 0.6 1.5 0.9 0.6 0.1 + 3.7 8.1 Calm  15.8      15.8  Total 27.1 37.9 25.9 8.4 0.5 0.2 100.0 6.2  
  "+" indicates percentages less than .05 but greater than zero   Data Source:  2.3.2-A  2.3-62 AMENDMENT 97-01   AUGUST 1997 TABLE 2.3-19  OCTOBER PERCENT FREQUENCY DISTRIBUTION OF WIND AT COLUMBIA, S. C. (1951-1960)  Wind   Wind Speed (miles/hour)   Mean Direction  0-34-78-1213-1819-24 25TotalSpeedN 0.6 3.8 3.5 1.1 +  9.0 8.2 NNE 0.6 4.3 4.9 2.3 0.1  12.2 9.0 NE 1.4 4.5 4.5 1.7 0.1  12.1 8.1 ENE 0.9 2.6 1.3 0.3   5.1 6.5 E 0.4 1.7 0.5 0.1   2.7 6.1 ESE 0.3 1.4 0.7    2.4 6.2 SE 0.3 1.3 0.4 0.1   2.0 5.9 SSE 0.4 0.7 0.5 0.1   1.7 6.5 S 0.5 1.1 0.7 0.3   2.5 7.1 SSW 0.9 1.7 0.9 0.2   3.8 6.2 SW 1.7 2.4 1.5 0.6 +  6.2 6.8 WSW 1.1 1.9 1.1 0.7 0.1  5.0 7.6 W 1.1 1.4 0.6 0.5 0.1  3.6 6.7 WNW 0.7 1.3 0.6 0.4 +  3.1 7.3 NW 0.6 1.6 1.1 0.2 +  3.5 6.9 NNW 0.6 2.3 2.1 0.4 +  5.3 7.6 Calm  19.8      19.8  Total 31.7 33.9 24.9 8.9 0.6 0.0 100.0 6.0  
  "+" indicates percentages less than .05 but greater than zero   Data Source:  2.3.2-A  2.3-63 AMENDMENT 97-01   AUGUST 1997 TABLE 2.3-20  NOVEMBER PERCENT FREQUENCY DISTRIBUTION OF WIND AT COLUMBIA, S. C. (1951-1960)  Wind   Wind Speed (miles/hour)   Mean Direction  0-34-78-1213-1819-24 25TotalSpeedN 0.7 2.3 1.3 0.4 +  4.7 7.1 NNE 0.7 2.7 2.7 1.0 +  7.2 8.2 NE 0.9 3.7 2.4 0.6   7.6 7.1 ENE 0.6 2.0 1.0 0.2   3.7 6.5 E 0.4 1.2 0.4 +   2.1 5.8 ESE 0.3 1.2 0.4 +   1.9 6.1 SE 0.3 1.1 0.3 0.1   1.8 6.0 SSE 0.4 0.7 0.4 0.3 +  1.9 7.8 S 0.7 1.2 0.7 0.5 0.1 + 3.2 7.9 SSW 1.3 1.7 1.8 1.1 0.1 + 6.1 8.2 SW 2.2 3.2 2.4 1.4 0.1  9.3 7.6 WSW 1.7 2.9 1.6 1.8 0.3 + 8.3 8.4 W 1.4 2.1 1.5 1.1 0.2 + 6.3 8.1 WNW 0.7 1.6 1.3 1.0 0.2 + 4.9 9.0 NW 0.7 2.2 1.4 0.6 +  4.9 7.4 NNW 0.5 2.2 1.9 0.7   5.3 7.9 Calm  20.8      20.8  Total 34.3 31.9 21.6 10.9 1.2 0.1 100.0 6.1  
  "+" indicates percentages less than .05 but greater than zero   Data Source:  2.3.2-A  2.3-64 AMENDMENT 97-01   AUGUST 1997 TABLE 2.3-21  DECEMBER PERCENT FREQUENCY DISTRIBUTION OF WIND AT COLUMBIA, S. C. (1951-1960)  Wind   Wind Speed (miles/hour)   Mean Direction  0-34-78-1213-1819-24 25TotalSpeedN 0.7 2.4 1.3 0.3 +  4.7 6.9 NNE 0.8 2.4 1.7 0.8 0.2 + 6.0 8.2 NE 1.1 4.0 2.9 0.4   8.4 7.0 ENE 0.8 2.3 0.9 0.1   4.1 6.0 E 0.8 2.0 0.3    3.2 5.1 ESE 0.4 1.2 0.3    1.9 5.4 SE 0.4 1.1 0.4 + +  1.9 5.8 SSE 0.3 0.8 0.5 0.3   1.9 7.3 S 0.5 1.4 0.9 0.7 0.1  3.6 8.2 SSW 1.1 2.1 1.3 1.0 0.3 0.1 6.0 8.6 SW 1.8 4.0 3.6 1.5 0.2  11.2 8.0 WSW 1.2 3.2 2.2 2.0 0.5 0.1 9.2 9.3 W 1.1 2.3 1.5 1.3 0.3 + 6.5 8.7 WNW 0.8 1.7 1.2 1.0 0.5 + 5.2 9.4 NW 0.5 1.7 1.2 0.6 0.1  4.0 12.6 NNW 0.3 1.6 1.4 0.4 +  3.9 7.7 Calm  18.3      18.3  Total 31.2 34.3 21.6 10.5 2.2 0.2 100.0 6.6  
  "+" indicates percentages less than .05 but greater than zero   Data Source:  2.3.2-A  2.3-65 AMENDMENT 97-01   AUGUST 1997 2.3-66AMENDMENT 97-01AUGUST 1997TABLE 2.3-22MONTHLY VARIATION OF EXTREME "FASTEST MILE" WINDS ATCOLUMBIA AND GREENVILLE-SPARTANBURGColumbia (1954-1973)Greenville-Spartanburg (1963-1973)MonthSpeed (mph)DirectionYearSpeed (mph)Direction*YearJanuary46W196444SW1967February40SSW1966+44SW1966March60W195438W1963April40W196144SW1970May46SW195836SW1967June40SW195735NW1969July40N196552NE1966August44SSE196134N1973+September38ESE195931NE1964October27SSW1968+31NE1964+November35N196732S1968December30WNW195447NE1963MarchJulyYear60W195452NE1966____________________* Direction recorded to 8 compass points only. + Record also occurred in earlier year (s)

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WINDDIRECTIONPEI{SISTENCECAROLINAVlIuaLC.SUHHERSTATION1971"It-.IlIII"I'r110:I'EI1,"Cf-....fLLJrI()(,drlSI"H,rfriiTII,IF....:)111--S.......rTll"-i?i-f<"InII1213J4I"I"11I"1'/,i'021nn24......'..)cI133IIIi'0n0nI0000001II00I},.74?n7b43fl4i'III11n01000CI}n00ft7i'I*I"...10i'nI00n000n0000n00I1-11('"II302IIn000InI0n000n00r':-or441M7'iuInI(,00n0n000n0I)n00':f4)""Q...II:l1n000r10n000nn00i)sI,-I"t'I2I00001n00n000nfl00,,,-,107In2i'i'IIr00nn0n0000n0lJL..,;.,,\f,.hIPIJ"Ii'0Ii'0nIIn0nn00II00n....'cdII1')10n0I0000I000000",.>-2',"19"72310u0000000000000Nh:,N'>"J31II)000000(j1000000OIl*'."ri'I.4II1I1000000000000000Lv."nII'>-?Ij1In?0n0000000000UI\D"J<,..4;:14Ini'?2n:,011\00I'000000II000N)"Ii'2?0II0nn000n0000000()00Avi-.j-IA(*lwif'1f),i--f1'1'1"'/(*(CICI,""fCtcTIvlH()lll-.ic"("or11Hi':,">"1<"1,1IIIi'IJJ4I"II>17II<1'120?In1.3i'4>24'.';"1.Qt.1'.'1."ll"'(H)".'jf'Co.'1,')';'-("o*o.O.h.""n.n.u.O.n.O.4.1-9II.n.o.o.loo..4.d?:"l.'-(I'>.)1>7\n.I".AHf*4.f...4n.n.n.':'.1>7O.n.o.o.O.I).O.D.to't).':',"-(1I"..744.441.("J.41>".".14I'.o*O.Ii.n.O.o.n.o.O.O.G.O.O.I......,L.4..II74.4....4*1'\..d),I.4.l4.""O.('.O.o.".rl>o*4.f.4O.o.O.o.o.O.o.a.too......"*j7'f*..--.\14.0'".,...,...11\II.7.1.n*.,.4ton*n.o.a.1\*n.o.a.('.O.o.o.n.a.O.G1trJ4.':ft4.44"-.\"').4'-.5.11<,>.?fl...-'1">.:'44.l>n1\,('.o.a.(I."."7O.o.n.o.o.o.o.O.G.c:::Z<;;"'r...'"'.t-"..">.7.74...."'..o*O.("a*H.1"o*n.1\*O.o.o.O.n.a.o.o.CJ)t;I4*J<,-'.II>**7t..1h'>.\jf>.,lfJ'>.4h...."1h.71n.o.I'.n.o.o.O*("a*o.o.o.o.O.>-'J::s:trJ:,.I)4.l..2..16."-""'....f;h.II")."1n.'i.">>1\*U*o.o.n.o.o.o.O.G.a.o.O.i-'ZL..,\74.71..1c.S.."'l')....':>.dh':1.'1....1.J.".no*('.II.1.Iq1\*1\*o.o.s.ooo.o.o.o.0,o.\,Q>-'J.4.b?"1.112.;..,.os'i."J1>."'>0....27.3J?fli{'.(.o.n.('.o.o.0,n,o.o.o.o.o.o*\,Q'-J\D"*j44.0f'4.74..",S.""':>.1>"S.I>>".47o*O.n.o.II.O.O.o.10.1>2O.(I.o.n.o.O.'-J.,.1......"**?I4.?,'.1.f.4".t24*II4.77J.<"o.n.(;.o.O.O.O.O.II.O.O.u*n.o.O.I',1.""1./';4.?'-,..t,".7"(1..S.72O.4*"70,n.n.n.O.u.o.II*n.O.o.O.I',0",1'1..).1>0">.144.616.I74."1>o*O..51o.o.O.1\*II.O.O.o.o.a.a.o.o.O.i-'3.0""4.44-.7"-4.-)c"4*44'I,0,O.o.o.c.O.o.n.1\.O.o.o.O.o.O.o.O.O.T,'l""'0.<<f(l1-Po,E....".TI()."h7"nTtlTtil;"'0.OfI"v'L11On....\t0TION')".DataSOllrce:2.3.2-B/::..I,I,:(:,. TABLE 2.3-49 VALUES OF MEAN, AVERAGE AND EXTREME DAILY MAXIMUM, AND AVERAGE AND EXTREME DAILY MINIMUM SURFACE TEMPERATURES (F) IN THE SITE AREA Month Mean 1Average DailyMaximum 1Extreme Maximum 2Average Daily Minimum 1Extreme Minimum 3January 46.5 59.4 84 33.5 5 February 48.1 61.3 82 35.0 -4 March 52.5 65.6 92 39.3 9 April 63.2 77.1 97 49.2 23 May 70.7 84.0 102 57.4 35 June 77.4 90.5 107 64.3 43 July 79.9 92.0 108 67.8 52 August 79.1 91.3 107 67.0 50 September 73.3 85.4 106 61.1 39 October 63.5 76.8 103 50.1 21 November 52.8 66.8 89 38.7 13 December 45.5 58.9 81 32.1 4 Annual 62.7 75.8 108 49.6 -4

1. Based on 13-14 years of record (1947-1960) at Parr. 2. Based on 68 years of data (1893-1960) at Little Mountain, but no higher values were recorded at Parr from 1947-1960. 3. Based on 1893-1960 period of record at Little Mountain and the 1947-1960 period of record at Parr. Value in table is lowest monthly temperature using both records.

Data Source: 2.3.2-E 2.3-93 AMENDMENT 97-01 AUGUST 1997 TABLE2.3-50STATISTICSANDDIURNALVARIATIONOFMETEOROLOGICALDATAPERIOD:JANUARY1,1975TOJANUARY31,1975VIPGILCSl'.....f'-'l1)(LEAPSToTTn"SOUTHCAROLINArn-PI"YDA"ESAND'uCI-FNO:ANOOFGAIAJANUAWY1.TO31.1915OATASOU<>CE:I1N-SITfTARLE21.30.47.['F-"EL_INo""-'IRPOI",TMlJ"'loSPEEDJO.oo10.0010.0010.50OIRSPEEDOTwTfwP10.0010.5061.50hl.00STARCLA0;S;C.00b1.no23410111213J415171'"2c217273CofGC".37.'<7.82.Po7.2.97.12.'1<-.93.06.63.03.2....23.3".93.1'7.B3.'"....23.41'\.53.1>11.73.1P.53."11.14.J11.4<>.21".2/0.217.5/0.111.7/0.aIn.,</o.n3.7".03./0PCTMISEC70.d2.872.92.774.1l2.57b.l2.577.82.479.32.380.82.4"I...2.4P2.o2.5111.72.577.22.870.13.3(,...23.5,",0.1>3.63.959.13.95f>.b3.9'i8.13.b'i-l."2.6"4."2.81.5."2.'<1,/'.92.91,9.43.2oEr,M/SEC2105.?7325.02124.7212"1221....0.220".1>7304.1,2"04.5246".h2494."...n20S4.32704.571."1...521>74.-324/04.'12"24.'1237/0.7215/0.31"13"."20;.5.111'\35.12115.1717OEr;OFGr22.0..723".7233.722<'.7737.7221'."231.92<;1.112/0.,.7234.4231'-.7257-.5?53-.r-2bO-.1>261-.6?4I-."?"..-.52"0-./022"-.12CR.7212.61'1<;.7207.R227*AFFfFEoFF",.Q-.n-1.7-10.5."231>.3733117.....Q.4.c;73/02.373:;'I7/04'11:1.81J*77"317/0499.9'1.15.23.03.0.90.01.7710317/04'19.91.9.31.1'1.3/09.9Ill.?'20.87073774495.0,177....95.07/0317/0499.9LI-oSt)LuT;:"""axA\f\;('AILYt.dAX"'tAN(LI..,dIC".ANAVI-['AllY..q'lSOLU11-..IN<.TA"rA"r>OEvVALI"0"';I""VALIllOf:.STOTALO"SOAfARECOVERYAMENDMENT97-01AUGUST1997:2.3-94 TABLE2.3-51STATISTICSANDDIURNALVARIATIONOFMETEOROLOGICALPARAMETERSDATAPERIOD:FEBRUARY1,1975TOFEBRUARY28,1975ANDVARIATIONOFPARAWETERSflAAPE100:FEIoIUAR1.1<,75Tf)FE.BUAHYd.J9.5DATASOUIo/CE:ON-5TTf"VIRGTLCSI''FNUCLEARSTATIO'"TABLEGENERATEol08/05/76.21.30.47.CAiJC1LI"ASOUT",CAI/OLINAELFCTPTCANOGASCO"'PA"'YDA"'ESAND"OO"F,JOBNO:<;182-070-09"FTFOl<OLOGICALPAI<A.."TEPS(HFIGHTSINMFTEI<S)rwyOF'"wEL111"10wIND_INO,"NOOFLTASTAR11"LR"OINTHUMIDSPEEDDllolS"EfD01"TE"CL.SSIn.oo10.no10.0010.0010.0010.5010.5001*.,0;'1.50hl.0061.00Hau...DE"Cof(;CPCT"'SECOEG..ISH:DEGDFGC1Q**3."69.13.016:'5.0187.7E2".93./\71.02.815'15.C,173.RF3'1.43.1-72.23.0148".517n.8..R.O3.b73.1l2.815.5.311>6.7E57.53.'-75.52.91..25.4160.P,F07.03.S78.32.9132<;.31'-".9F7"'.53.379.'-2075.1lila.9Fd"'.23.079.82.5217S.Illil.dF9"'.02.9..0.52.41815.0lRo.AF10".03.279.02.71894.0201.5F11R'.33.372.23.0165'-.1169-.3012In.33.61'>5.03."2284.221'--.5iJ1311.33.61'>2.53.'-2284.2222-.6nI.12.43.551l.13.S2"6'-..237-.0[)1513.33.70:;6.03.72504.62'-3-.0D1611.73.1'>54.33.52454."231'>-.501714.23.753.33.E>2344.522P,-.5111d1'-.23.E>0:;2.'13.0?304.7221--.'-n1'113.3.'15:'.33.44.p,210-.2E2012.73.'1<;7.93.12065.0201'>.0E2111.73.9..0.93.21805.5169.3E2211.a3.'11'>3.33.2200S.hIAh.5231').23.765."3.21665.1'>1&4.7?'-"'.73.E'67.93.118S5.7I'll.7;:-WAX2'-.I18.7Q6.117.29,7AI/GDAILY..AX15.37.084.15.07.7....f.AN10.03."66.93.1207S.O201.2EcLl"'ATIC"lFAN1').13."66.33.25.2AVe:;DAILy"IN4.'1-,I48.61.42.6A"'SDl.UH"lIN-?7-9.1lli.30.0C*asTAi-,OARDDEv".0e,"21.11.,.1.9VALI,)OPS"716711:>7166S6h56416"1672"72INI/ALliJOHS11177J1310aTnTALOJ.<S..7267?672672672h72h726721-72[HT4"ECQVERY9'1.999.999.999.099.095.495.'-100.01ao.aAi'lENDMENT97-01AUGUST19972.3-95 TABLE2.3-52STATISTICSANDDIURNALVARIATIONOFMETEOROLOGICALPARAMETERSDATAPERIOD:MARCH1,1975TOMARCH31,1975STATISTTCSANDVARlATOONOFPARAIolETERSOATAPERIOD:MARCHI.T"ARCH.I.DAHSOU"CE:n.,-sITFVIRGILCSu....fPNUCLFARSTATIONTAt'LEGENEHATEO:OEl/05/76.21.30.47.PARw.SOUTHCAPrLI"'ASOUTHrAPOLINAELFCT"ICANnGASen"PAN!DA"E5AND"00"F,JO"NO:"182-070-09"FTFOi-<OLOGICALPA"A"'FTEPS(HEIGHTSIN"FTERS)!"'I;.;YOF\01"EL,11"0-1"'0w1"'"..INOOFL14<;1'"bill"POINTMu"'IOSPEEn01';SPEeD01"TE"'PCL.1<:;S10.0010.0010.0010.0010.0010.5010.5061.1;061.5061.0061.00HOUROEr,CDEGC"CT"/SECDEG"/SECDEC,DFC,CIn.23.464.53.77186.221El.4E?_.63.t-.1::>7.21.42215.>1720.SoF..3".13.56tl.1>3.3<"335.7232.o,f..".'"3.769.33.22255.422P-.5f5".13.070.13.07565.12"".7EI)7.82.970.82.92415.1260.777.52.p-71....3.0729S.7250.P-7.12.773."2.922"4.02<;0.0F97.32.E-7<:!.93.0?39".0261.5F104.93.4...9.23.42344.7234-.2E111,1.22.660.b3.92600:;.02""-.5-,1217.02.755.34.3n95.3237-....I)13D.22.651.11...62435....240-.60I..14.02.7"0.1'\...52",95.1-247-.'"0151...83.0"".84.62615.7-.6n161".33.1..k.6...52515.S750-.6[)171'"'.63.7..8.64."2"'45.1-2"?-.6[\Irl1'>.52.7"7.2"'.425'"5.52"'-.5[)1'11",.92.74d.l4.12565.325n-.3i"\2013.El3.I1;2.'/3.7270S...3-.02117.73.055.73.l'\25"S."236F2211.82.""7.53.7?036.3?G'".52311.23.1...0.23.6lAb6.21<;2.sE?..10.63.31>2.73.51876.11'01.-A"'SOLuTF"AX2"."IA.3ob.?I!.1IS.?AVr..(AItY"AX177.""'2.30.2A.7,....A"-411.23.0"0.33.7241'i.523"*1FTIC:..FAN11.23.301.,.,...0AV"fiAILY<:'.>1-1.11,,'0.'/1.1'12.9A",.,OLUTF"IN-";'.2-12.613.:>.5.""1A"r,A':>OOE"V/-..78.323.A1.92.'"VAllI'OPS74173k13k7"'274273A13M7..2l'-VAI.ID(JOS36"22bh?2InTl0;:;57"74"7"'..7""7"..7447""7""('ATARI:.C)vE:lY9Q./-<;9.29"1.299.799.799.209.20<'.70<;.7AMENDMENT97-01AUGUST19972.3-96 TABLE2.3-53STATISTICSVARIATIONOFMETEOROLOGICALPARAMETERSPERIOD:APRIL1,1975TOAPRIL30,1975FFFFFFF[)o[)DnDf')of')D5HTIC,",P'D(ascn..'"A'JY'i182-070-09STA"r.LA'iS10.00b1.001.2-.<;-.7-.7-.Il-.1<-.1.3.7.7-.7-.7-.7-.6-.4CFlTATo""10.00bl.OODFc;C.91.01.01.01.11.21.1"'IN0Dr--61.50DEC,20"20k21422626527521132772632b';2712522"'92""25;>2522492"2242230205lQQ202".7...8".Il5.15.25.25.25.15.25.56.05.1\5.Q.1"0SPEFfJ61.5014/SfC5.to5.1l5.55.35.1".7....A4.92452f:>125125'126..27625720125'"25'"25725825124422719619019018..2..2..2.52.93.6".1".1".1...2...34.03."3.43.53.33.374.57".27S.372.8"'3.05..,.7..0.051.0..7.6..4.34?3..1.140.3"'2.1Ci5.1:>5->.47.37.07.07.47.06**6.S6.2to.16.0S.Q5.'6.06.36.1<7.07.2"fTF0POlOGICAlPEL_INDPOINTHU"'IDSPEED10.0010.0010.5010.50OFGCPCT"'/SfCDEG6.960.83.21937.0j,3.13.12017.06S.R3.020S7.12.82037.171.02.6227211.b21.121."21.421.020.0lQ.717.61".61';.'1I1CYi'l0L'110.00DEc;C14.814.311.611.012."11.'1n.611.3P.21...311..117.6l11.S235toT8'l10111213151"171'11-;2u2122?3HOUPDATASOUPCE:u"-STn:VIRGILCSt'fTAkLEGENEPATEn:21.30.47.PA"p.SnUTHSOUIHCAPOLINAELFCTPICDA"'ESANDNO:(HfIGHTSINbMS0LuTf-wAlAV(;C.o.ILY"'AJ(,*tA,\jrLI....TIC"'AN"IN(lfVflf->;'T"VAL!!)Lif,STI1TAlr.ATA",tCllvfRV3".522.0h.51h.31".71.4Tl'117;>0llQ.9lQ.210.11:>.73.2-10.1>8.2714I.7;>099.2=;6...57."35.S11.3?3.271"n720Q9.?10.2;'.73.53.61.60.01.9720o720100.0?39720o720100.013.h8.1">.;>">.42.7.52.370c,117?oc"k."237TOfll?720Q8.3.?7?0o7?0100.07'0J7?Q10Ii.02.3-97AMENDMENT97-01AUGUST1997 TABLE2.3-54STATISTICSANDDIURNALVARIATIONOFMETEOROLOGICALDATAPERIOD:MAY1,1975TOMAY31,1975STATISTICSANDOIURNAIVARIATIONOFMETEOROLOGICALQATAPf010D:MAYTOMAY,D"T4SOURCF:""'-STTFvT"'GILCSlIM"F"NIICLFARSTATTo",GENERATE":21.30.47.PAPA.SOUT"SOUT"CAROLINAtLFCTl<ICANnGA"COWPANYDAwESAND"OOPFNO:wETFOROLOGICAL(HEiGMTSIN"ETERS)123:;678..101112131..bII.17I"202122232"AfoSOLUTFAVGGAILY..t.XCLI"'ATICwEANIVGuAILY"INA!:'<,OLuTF"'INSro"OAtlDOEyVALID0""INVALIu<lASTDTt.LufoSDATARECOvERY10.00DEi;C20.11'1.61'1.11'l.117.817.'I1':;.12<\.92?624.12".22....021..72".92".323.022.12120.731.727.52:>.12?517.511.7...67422Q".7n....POI"T10.00flFGCIb.616.31t>.115.Q15.715.715.7Ib.S11,.'117.217.317.0If-.I>16.311..311..411..416.717.n17.a17.117.016.Q23.118.616.511,."14.56.510.00PCTAO.5"1.A3.1"'3.3'lb.387.7"8.2<34.;;71'1.372.3h6.761.7<;7.5<;4.2S2.753.751,.505.370.173.976.879.3'17."Qn.772.570.2"'1.833.117.77<.[3G9.o..INOS>>EED10.<;0M/SEC2.32.22.12.12.'1I.A1.71.72.12.32**2.52.72.tI2.'13.23.53.33.02.82.b2.52.1,2.52.52.M.90.01.274..o7....100.0"rNO(lIP10.50DEG14212"1"31..51371371..0978d3172232782292122132072031721'-01"3155155168o7'-4100.0..p,m",>>EEO61.50../SEC4.74.7...54.24.13.43.33.12...2.72.'<3.13.03.33.64.03.'13.8".2".S".75.011.70.'13.1\4.21.60.01.77"2?74499.7..1....0OIl'61.50DEC;Inti16<;17017217317<;10"9'>2424Q20821'120721120"IA116?157155163171178742(>744QQ.7O"LTATEMP10.0061.00DFGC1.11*11*a1.0.S.9.9.6-.1-.5-.7-.1\-.1\-.R-.ft-.7-.7-.2.2.1.1.01.1.174..°7"..100.0STARCL'<:S10.0n61.00FFF'F'F'ECCCoonFE7<.4o71.4100.02.3-98A!'ffiNDHENT97-01AUGUST1997 TABLE2,3-55STATISTICSANDDIURNALVARIATIONOFMETEOROLOGICALPARAMETERSDATAPERIOD:JUNEI,1975TOJUNE30,1975STATISTICSANDOFnt-TAPEt-IO(1:,JUNE1.1"'75I)30.147">DATASOU>'CE:nil/-SITEVIPGILCsu",,,,,p"'llCLfAilSTATIO'"TARLE01'/05/76.21,30.47.PARP.$OUT...CAPOLlt-!ASOUT"CAI'lOLl"'AELFCT"TCANnGAC:C:),.PANYDu'ESAND"OOwF,JOf;NO:5182-070-09"fTFOilOLOGICALPAI'A"FTEPS(HfiGHTSIN"'fTEPC:)nC/YD"II"EL1001NO..TNO*dND"TNODFlTASTARPDI"ITSIo'EED01..SPEEDOIRTE"oCLASSIn,0a10.Qa10,0010.0010.0010.5010,5061.50bl.50b1.00b1.nO...OllrlOEGCOFGCPCTDEG"/5ECDEGDfGr.122.418.177.22.51565.1)710.9F221.818.279...2.21614.017Q,ctF321.41e.,:81,S2.2lli54,/0185,'IF..20,917,982,92.12124,3210,RF52n.417,684,22.12464.027?,'IF0211,117,1084,72.12894.211.ctF71"',1'17.285.32.03214.020,'IF82,',317,1083,82,23563.731,4E921,917,877.72.6143.2103-,100102),9HI,170.03.0283.4so-,711II2.,.717.81>2.23.3173.1>31\-.8C1227,017.355.b3.5204.043-.RC132"'.0I".Q51.1>3.7464.3102-,QC142".816."48.13.63354.1144-.QR152Q.416,64.6."3.93254.4135-.QC102Q.1'1/>,8lob."3.92734.5.231-,RC172"',1>11>,94b.54.12214.b185-.RClei2'1.211',9*",14,0193/o.RlR"-.70192>\,517,a50.73.71424,51106-.0D2027,S17.555.53.21174.3132-.100212"**17,e"1,23.11214.R142,0E2224,81/1,0ob.?2.8131>4."1107.5t232',017.Q69.102.51..24,710,2,7E242).218,072.72,31724,8)7Q1.0FA...SCLUTF"AX3...223.005.0Q,712,1Ave;uAILY"AX3,1,119,8i1B.45.16,9,'FAN24,817,566,22,91334.114/1,0E(Ll"ATIC"'EAN24,817,5b5."3.1/o.SAVr.I1A[LY"'TN1-.,610,.343,11,12.JA"'SOLUTF"'IN1".39,211.1>0.00.0STAt-<OAwOOEV3.92.;:'Id,S1.31.1>VALInORS71Q71"71"7207207lCl71"7207;>0I'-VALlD,)J'151I100I100TtlTALD"S7(>07207207207207207207207;>0nATA"ECOvERYQCl,999."Q9,9100.0100.099.99",9100,0100,02.3-99AMENDMENT97-01AUGUST1997 TABLE2.3-56STATISTICSANDDIURNALVARIATIONOFMETEOROLOGICALDATAPERIOD:JULY1.1975TOJULY31.1975ANDDIURNALVARIATIONOFMETEOROL0GICALPARA"'fTfPC;PE00:JULY1.1'17<;TOJULY31.DATASOURCE:(,N-SITfVIRGILeStJ"'E"NllCLEARSTATInNTABLEGENE"ATEn:01'/0';/76.21.30.,-7.PA"r..souT...CA"C*LI'1ASOUTHr:AI'<Oll"AEL"r:TPTCA'll),jA<;CO..PA....yOA"EsAND"'00.."JOFl,,0:">182-1l70-0C,",FTEOROLnGICALPARA"'ETE"sl"EIG"TsIN"FTE,,<;j"",yn"...PEL_INO"1"0"'l"nonTASHPRULRpor"T"'UMIDsl'EEOor'"SPEEDor..TEf'PCL;'C::SIll.aa10.aa10.0010.0010.1l010.5010.5061.5°1,1.5061.0061.,lllHOUI'DEC,eOEGCPCTM/sECOt:"",/sECOEGOF'"C12.<.020.S1'1\.'-2.31a1'-.'-11'9.5"22';>.620.42.318"-"."-1'75.5E327.320.3RR.71.91833.1\19".6F..27.020.21\'1."-1.9)763.7I'll<;E521.720.1'10.21.'11753.61<:;1.5E021.420.0'>1.21.61763."-1i'9.6E721.220.092."1.61763.'-19...6FIl21.520.2'12.'-1.71613.1197.4E..22.420."R8.31.91972.720'1.1E1023.91'1.7"3.S2.31922."1'19-.0F112">.221.177.82.'-1652.1-1t>P-.0E1220."7l.R2.61953.01A1-.0F1327."-20.7"7.t>2.62023.219).1F1427.920.71,5.62.92003...1'19-.0E20.2"2.13.119'13.620"-.2I"162".420.0"1.63...199".0194*aE172R.319."61.73.7199".3c07-.1182O.1l19.1<62."3.'-161".2po-.1E1'127.120.066.93."-156'-.<;16S-.2F2020.37l.22.91093.9172-.1212';.'-20.575.32.41624.0173.1?224.720.576.62.3153".1171).4E2324.120.6R2."155'-.1171.1-I"c"23.520.6"-.02.4163".717R.6E'SOLuTE'"'AX3,.525.2III0.09.912.">AvGrJAILY"AX2Q...21.893.7'-.96.7""t"AN24.720.378.32.51773.7lRI..2FCLl"'ATIC'"'fAN2".219...7:;.32.a'-.2AVG8ATLY"IN21.117<;6.8.81.7A850LUTF"'INlA.4-17.335.30.00.0"TA"OAPDOEV3."2.31/>.31.21.5VALrnO"S7367337327417..1""-364:17"-17"1r",vALIO()HSH11123310110133Te'rAL0"'57....74..74411>,,,-7447"-4744744744(lATA"t::COVERY9".998.596...99.699.6A6...1'6.4qq.1:>99.6AJvIENDMENT97-01AUGUST19972.3-100 TABLE2.3-57STATISTICSANDDIURNALVARIATIONOFMETEOROLOGICALPARAMETERSDATAPERIOD:AUGUST1,1975TOAUGUST31,1975STATISTICSANDOFPAl'lA"'FTERSnATA*0AUGuS1.DATASOUi>CE:rTFVHIGlLC511.......,;NlIClf.PSTATIONTAf'LEbENEkATE'"I:01'/0<;/76.21.30.47.PAI>i>.SOtH"SOUTHC.ROLINAfLFCTPlCA",nG'"CO...D.:....ESAND"OO::>F.JOANO:<;1'12-070-09"'fTFOROLOr.ICAL(HftGHTSIN"FTER<;)"pvOF""EL-"INO"1>;0"IND"INI"'DFLTAqARRllLRPI"l..U"'IOSPEEDnIHS"EEf1CilPTEwPCLA"SI()*0010.,0010.0010.0010.0010.5010.5061.S061.5061.0061.00...ou"DEr-COFGCPCT"/5ECDEG"/SFCDfr.DFGC124.421.1'11.81.41834.0192.1'.F223.1'.21.11'.".51.21943.8207.7F321.0A5.71.32043.M21".7F"21.120.9A7.21.22073.7221.7r:52?620.1'.A9.11.22233.7235.8F62?4?O.I>89.81.12283.7244.1'.r:722.020.!>'lo.a.1.12383.6242.RF82?020.<;91.01.02363."261.1>F'I2I21.0fl7.6I...2462.7245-.1E102::'.221.57'l.41.72642.5243-.7n1127.321.570.42.02762.9242-.8C122,<.R?1.363.52.22':>63.123':>-.RC132'1.920.6<;7.22.Ci2433.521'l-.9RI"30.720.153.02.523Q3.4215-.'lR31.319.74'l.92.62263.le201-.'lR1631.219.4..9.12.R<'123."1'l"-.RC1731.019.550.22.72023.9191-.7n3.\.819.:-<;1.02.<;2033.51"<;-.6n1';'l'l.i<<;le.12.31113."IA2-.0202".920."hO.dI.'l1043.7171-.2F2127.520.'l67.3I.I:!1574.116<;.3E222h."21.172.41.61624.4171.6-232".621.076.01.51704.1180.7r:2..24.921.179.2L418..3.9189.7FA"SOluTf'...0<30-.523.'l'l6.35.510.1,/),vr.r,A1LY".xJI.R22.2"I.d3.25.9'--toAN20.1>71.71.82073.1>20"*0ECLl..*TIC2".R6'1.31.93.nAV(,D.llY"[N21.'l18.946.7.71.1>At;SOLUTt:"IN1".9j4.611.10.00.0TA"'ll:'"ODEV:J.91.517.0.81.5V't.TllOf.S7447447447447447le4744744744ORS000000000TnTALDf;S744744744744744744744744744DATARECOVERY100.0100.0100.0100.0JOO.O100.0100.0100.0100.02.3-101AMENDHENT97-01AUGUST1997 TABLE2.3-58STATISTICSANDDIURNALVARIATIONOFMETEOROLOGICALDATAPERIOD:SEPTEMBER1,1975TOSEPTEMBER30,1975STATISTICSAkovARIATIONOFn.TAPEHIOo:1,lOTSTO30.DATASOURCE:""'-STTEVIRG[LC51""'.'"N"ClEARSTATIONTAB!.EGEkE"ATEO:08/0!'>/7b.21.30.1>7.P,P".SOUT...C'I'nL["J'SOUT..CAROlINAELF"CTPTC.",nr,AC;CO"PA>,'!'DA"E5AND"onwFJnpNO:"182-070-09"'ETFOI<OLOGICALPAI'iA"'ETEIOS(HEIGHTSI..HETERS)rwy;lEL\<["1011["10[If).[NnDFLTAST.I>i'lIILBPOINT...lJ"IDSPEEDDI"S"EfO01"TF"P10.00lCl.oO10.0010.0010.0010.5010.5061.5061.50151.0061.00"OURDEr,COEGCPCTOEG"/5ECoEGDEGC120.918.28...72.3136".6133.5F220.618.0AS."2.2964.3131.5E32r.217.9A6.32.2H4.1100.3f..1'1.917.='"6.52.356".167.3E51<1.517.3Ab.92.3541>.2S6.3EI>10.317.21'.7...2.2513.935.3E710.117.11l7.82.2SO3.823.3Eil1".017.0i'A.l2.3sa".0,,<I.2F"91".317.1eb.A2.""53.6"5-.2F-lO20.517."A2.!'>2.9513.756-.S0112;>.017.776.73.21>13.__1-7-.601221.517."n.b3.0743.679-.80132*.1l18.167.23.11573.773-.AC1"25.617.91-3.33.3813.R92-.ilC152".317.0150.73.3984.0117-.1<C162foo.b17.759.23...814.1111l-.7n172...717.1>='11.73.2101".0120-.70182".117.660.S3.286".0107-.fooD192".117.865.12.881l4.0<;7-.3n2023._1A.l70.S2.785".380-.0E2121.011l.275.02.7III".RlOA.3f"22;>.2111.27R2.5121".9liS.7E2321.718.1AO.52.3III".A112.717:2"21.118.1R3.02.4121".8117.6E50LuTE"AX3".7"4.1"il.l10.112._AvGUA1L'f..AX27.119.991."...66."MEAN2?"17.776."2.781".1CJ2-.IEeLI""TIC"Elk2?e17.97".12.9".5AVGDAIL'!'..1111I"."15.9<;6.81.22.2A,,50Lun"'IN10...5.134....0.00.0<;TANCA"oDEli".74.315.61.51.1<VALIr)01>"71971971971771771771'"7157151"yj:'LI[)UtiS111333I>55TuTAL0,,57/07207eO7207207207207207;>0nATAkEeOVERY9'l.999.qqq.999.1599.699.15"9.299.3Q9.3AHENDl'1ENT97-01AUGUST19972.3-102 TABLE2.3-59STATISTICSANDDIURNALVARIATIONOFMETEOROLOGICALPARAMETERSDATAPERIOD:OCTOBER1,1975TOOCTOBER31,1975ANDVARIATInNOFnATAPE100:oeOrl..-Qol.1"7"TOOeTOaf"31.l-t7<;DATASOURCr:I'1N-STTFVTRGILCSLMFNtlCLfAR5hTll')0jTAI'lLEGEI/E"ATE,,:OR/05/7b.21.30.47.Pt.Rio/.SOUT"CA"':LI'*ASOUT!'!CAROL!OjAAOJ1'1GASCO"'PA"'DA"t::SAND"'DC..".;0':'NI1:<;162-070-09"'ETEOROLDGICALPARA"'ETERS(!'!ElG!'!TSIII"ETFRS)r",y(lEW"fL",rNOWINO",INO.p..nDFLTAfj'JtRPOl"THUMIDSPEEDS"'fEDDr'"1n,0a10,n010,0010,nO10.0010.5010.5061.<;0/>1,5061,0061.00...OU"DEr.enEGe"'CTM/SECDEG"'/SECDEl.Of"C11....212.9Al.02.13d4.71132,0F21'>,812,71'2.22.2304.512"1.7F31<;,"12.50.3.02.1434.41201.1-F..14..Q12.4)044.92.1b".34Q1.5F514."12.1Io4b.42.0349".2c;1.5F01...1\11,987.42.014.335t<1.4F711,/111,7il7.22.0351".335kI,"Fi1Il,o11.5Il7.32.1104.3101,3F1",011.""0.02,2Id".0.9F101';,612.280.il2.7403.7"0.0f1117.712.97:'.23.1423.745-,100121"',713.01>0.73.1453."..9-,6D1321.412*.:1';9.53.2443.5';0-.7n1102;>.712.653.53.433.711\-.ilD21.412.4SO.b3.5714.01'02-.7D1"23.812."..".73.5314.n294-.7D1721.812.3"".73.5724.074-;1>')1823.112.452.03.0"I3.899-.10')1__2\.912.-157.7?b1134.1J21.v"020.013.01>2.32.51004.07"<,I>-211'1.313.0I>Ld2.5IDa4.9911.3F221'".112.972.02.41205.01221.8F2317.212.72.2ob4.R1151.9F241".412.577.92.1774.81202.0FA;'SOLUTF.MAX2°.1\n.o"<9.310.413.11e;DAlL'""'AX210,015.1"<0.0...46.7-"F-ANl".212.571.72.6104".?51:>.7ECL!"AT!C...fAN12."1>1'.92.84,4Ave;f)AlLY"1'"11,09."<..7."<1.12.1"""SOLUTE"'YOj3.3-4.1:119.d.40.0STA"OARDDEli",35."<1".61.52.1VAL!G0,,<:;73873274374373773"7....7441""ALl0OB5...1212117R00TOTALOf'S74474'-7447447447....7..4744710"[lATAioIEC\.lIlE"'V9".298.49"."..9.999.999.198.9100.0100.0AMENDMENT97-01AUGUST19972..3-103 TABLE2.3-60STATISTICSANDDIURNALVARIATIONOFMETEOROLOGICALPARAMETERSDATAPERIOD:NOVEMBER1,1975TONOVEMBER30,1975STATISTI?SANDTinOFPARAlolfTERSpATA00:101"7"°Nove""E><30.1'l7';DATASOUIo<CEIO'l-STIEVllo>GILCSl''FPNIICLFAI<STATIO,,"TABl-EGEIIIEt<ATE'l121.30.,-7.PA"".SNIT...Cl."'I'\LINASOUTHCAROLINAELfCHITCANnGASCO"'PAN!DA"ESAND"UOPtJOBNO:5182-070-09wETFO"OLOGICALPARA..ETE:r:>S(HEIGHTSI"""YI':r..1'10\lIND..P-I('\\lINDDFLTA8ULB::>OI"THu"ID5Pf:.EDDIr!SPEED01..TE"PC10.001*no10.0010.0010.0010.5010.5001.50"1.5061.000*I'lODEC'eDEGCPCTDEG"/SECDEc;DrGC1In.90.075.02.1189'-.71R'-2.3G210.36.077.71.911\7'-.4I'll2.'-G3..f.Ro.!'110.01.9l'lb4.31'l"2.'-G4...s6.SAI...1.91"94.21952.4GS'l.0/0.2-l1.92.0208".020112.4G0-l.'l0.0112.01.920M4.023">2.2G7d.45.9il3.Y1.723'-3.92712.2Gtl".15.9..5.61.720b3.93052.2G9-.2b.21\7.22.021S4.I3522.2(;10'l.26.884.S2.229il3.632P1.3F1111.57.476.12...2CH)3.230'-.1F121-.I7.1>6b.02.621'103.125'--.501316.07.558.22.82613.22"3-.701417.07.35'-...2.92603.-254_0.7n1517.97.050.93.22393.7238-.7011>1A.36.94'l.33.32473.8240-.f>0J71P.2b.O49.23.02243.6225-.50IH17.7b.950.q2.52223.3220-.30191".76.q2.3Ib93.;;'1'l6.10-20IS.67.25/j."2.41624.11E-6.8F2114.47.3"3.02.'-1734.71871.62t!D.37...07.62.417'1...q1862.1G231;>.47.371.52.31674.QIP22.2G2"11.97.273.22.21724."1812.IG.8S0LuH"AX.2'".120.-100.07.7q.8AVbOAILY1".1l10.32oQ.94.10."&.lEA""1;>.80'1.32.3217'-.n2111.1cu",nIC1'.001-.8"'7.'12.6'-.2DArLY"'IN7.13.-45.01.01.f>A"C;OLUTf:"'IN-1.4-7.523.'-."0.0STANlJA><D[lEV7.17.719.01.52.2VALIf,n"s71q71971'1720no71Q71Q7707;>0I"VALIU,'flS11I00II()aTOTALQH,,;77072072072072072n720720720DATA,,(COvERY9Q.999.999.9100.0100.0Q9.Q'l9.9100.0100.02.3-104AHENDHENT97-01AUGUST1997 TABLE2.3-61STATISTICSANDDIURNALVARIATIONOFMETEOROLOGICALPARAMETERSDATAPERIOD:DECEMBER1,1975TODECEMBER31,1975OrPAIoIAMrTER<.1.1"""TODECE""E"1.1"7<;DATASOUllCE:')**-SITF.VIRGILC5u......F::lNIICLEAPSTATIO"T,HoLEOA/O"'/7&.21.30.47.PAwP.SOUTHCA"'0Ll'-ASOUTHCARatINAAM)GA<:;cn",PA"'YDAMt:SAND"OO"F"'OkNO:">182-070-0'1"ETF"OI'lOLOGICALPA;(A"'ETFPS("'EIr-MTSIN"fTEwSI..."yOF..PEL"INf)"IND"1"10..INOOFLTAb"LPOH,THu"IDSI"FED-01..spf,n01101TEMJ.ICLAC:S1Cl.0010.0010.0010.0010.0010.'S\I10.5061.';061.SO61.00'>1.00...DEr,CDfr.C':>CT"/SECDEG../SECDEr-DEr.C".1."69.02.21802111.<;F2-'.5.711.22.0226_.Cl221I.SF3-'.0.572.12.02"3-.62241*<;F'-".7.473.42.0I-I4.S232I.SF'S-.3.'>15.61.8?S4.?2-"1.5r:/).1.".411.31.8307_.026A1.1F71.5."7<1.11.9<'324.1253I.A;;-1.J.e:,AO.S1.112184.12-31...F'I1.2.5ilO."1.9?603."?6A1./1F101.7.r.7".7?O278J."?77I.'"F11<;.31.-15.1?227..J.S?72.-E127.51."68.12.6noJ.32-2-.J...132.0"1.A2.11?763._?66-.5DI*1'-.11.1S6.13.0?"S3.4?77-.6DIe;11.21.4e:,.....3.2?7S3.>l?"Cl-.6()1011.<;1.4'i3.SJ.3C773."27il-.601711.11.2S2.13.12773.827--.501011.21.0'>2.-12.82813.1?7i:o-.3n141'\.31.0<;<;.22.62-24.0255.1E20...3.11S1...2.823?_.1?52.521".2.Clh1.22.52214.il2--1.0F?21."Cl;,3.92."?035.0219!."-F23....11.1';S.62.'-1'S..5.02021.5F2""."*7&7.32.'-1765.32O_1.'-F."<;OLuTF"AX21.Cl16.Cl96.&9.112.7AVr.DAILY..AXl?14.Sil-.J...31.2"rdN7*1.9;'6.il2.'-26':'-.2251*bCLI"ATIC:..FAN7.1.1165.32.7-.'-OVlinAILY"INI.e;-2.Q46.31.a1.1>S0LuTO"'1"....-IS.p1...6.-0.0STA"*f,A....:nDFv".37.'"21.31.52.3vALl"7<>27_;>7'-274_74474(>7'-274474_I,,"VALID[15S222aa22a0TtlTAL7..474474_7447447"41__74_7_4['ATA"'£COVERY9".199.19<;.7100.0100.099.7Q9.7100.0100.01.3-105AMENDMENT97-01AUGUST1997 TABLE2.3-62STATISTICSANDDIURNALVARIATIONOFMETEOROLOGICALDATAPERIOD:JANUARY1,19750100ESTTODECEMBER31,19752400ANDOFJANUAWY1.19750100ESTTO31.1975r400LlATAsnu'"'CE:""'-SITEvI"GILCSu.....FPNliCLE"AI<STATInNGENE"'.TE":rAPOLINAELrCT"ICANn(,A'CO..PANTDAMESAND"00""Jr.H"In:PAPA"'F.TEPS(HfIGHTSIN10.00OF..POI'IT10.00"EL"Ufo'in10.00"INQSPEED10.50,,1'10nlRDIP10.;'061.50/'1.50DFLiAT::'w""10:00/,1.00TAO<r1*nJ".1.0DE',CDFC,CPCTw/:,ECnEG"'/5FCnEGOFGr?5.?100.013.B..7."1?27.°--'.4-17.3".69.3124">671011121314Ie:,1"17ltl1-;20Zl22?32-A;'SOLuTFMAXAvf;LJA!L'fIoIA.'(...,.A"lCLIMATICM,,"ANIV,;r*ArlYw1'<Ai-SOLUH"INSTu(1Af<()nEvVAL'Ii'I"'VALll)u"STOTALO'<SDArA"t:rnvERY1"'.R1,,:;11.211.113.61'0.01-.71'.41°.72n.b21.321.721.721.42,).73".52?517.217.411733?787;:;09°.711.1ll.o10.910.il10.710.610.510.711.011.2I!.?11.110.'"10.1'10.710.7HI.610.!!11.011.2I!.?11.111.1El6ROROP7fJ99.175.177.17>i.I)79.11"1.1"'2.:;R3.4P3.9R?377.1>t"....3SQ.35:;.453.0<;2.1<;1.7'i?7':>':>.6S9.'l1-.4.270.473.0I>B.d67.b47.311.320.">Rf-7HP.2tl7bO09.12.52.42.32.22.22.12.*02.12.32.62.93.13.33.33.53.63.63.42.73.01.10.01.6!!74317R760'!9.1l17B)791"'0185?03222242236?52?"3302?5.,253251247243?30220lQ!!173160IS"Ie>!170?O'l".f-.4.04.34.34.35.15.05.1IS.?7.?2.10.02.1858"1741',76098.011<"1<;5?CO205224244?572"32b3263?":?23..?3"237231\23..227?lQ207If-O171-.171173IMI207181P.76097.91.n1.01.0l.01.01.01.1.9.".1-.--.f--.b-.7-.7-./'-.n-.5-.3.1.5.91.01.0.3F*F'FECJD()o()oi)nF'2.3-106AMENDHENT97-01AUGUST1997 2.3-107AMENDMENT 97-01AUGUST 1997TABLE 2.3-63MONTHLY AND ANNUAL AVERAGE RELATIVEHUMIDITY (%) AT COLUMBIA (1967-1973)Hour (Local Standard Time)Month0100070013001900January80835566February74804857March74834854April77844550May84884961June88905464July89915772August91935974September92945675October89925476November84884971December80855571Annual84885366__________________Data Source: 2.3.2-C TABLE 2.3-64 MONTHLY AND ANNUAL MEAN, AND EXTREME MAXIMUM AND MINIMUM DEWPOINT TEMPERATURES (F) AT COLUMBIA, S.C. (1971-1975) Month MeanExtreme MaximumExtreme MinimumJanuary 41 68 -06 February 36 69 01 March 43 68 09 April 48 72 17 May 60 74 28 June 66 76 39 July 71 79 52 August 71 77 57 September 67 78 41 October 54 75 17 November 44 72 09 December 41 71 02 Annual 53 79 -06

Data Source: 2.3.2-F 2.3-108 AMENDMENT 97-01 AUGUST 1997 2.3-109AMENDMENT 97-01AUGUST 1997TABLE 2.3-65MONTHLY AND ANNUAL PRECIPITATION MEANSAND EXTREMES IN THE SITE AREA(INCHES)Maximum Precipitation 3MonthMean1Mean No.of Days> 0.5 Inches 2Columbia(1948-1973)Greenville-Spartanburg(1963-1973)January3.7937.62 (1972)6.14 (1972)February3.7838.68 (1961)7.43 (1971)March4.45410.89 (1973)9.66 (1963)April3.8125.89 (1958)11.30 (1964)May3.2928.85 (1967)8.89 (1972)June3.29214.81 (1973)9.59 (1969)July5.35313.87 (1959)7.44 (1964)August4.91316.72 (1949)7.51 (1967)September3.6338.78 (1953)7.98 (1966)October2.61212.09 (1959)10.24 (1964)November2.5417.20 (1957)5.31 (1972)December3.5927.43 (1953)7.55 (1973)Annual45.043016.72 (Aug. 1949)11.30 (Apr. 1964)__________________1.Based on 30 years of record (1931-1960) at Little Mountain, Santuck, and Winnsboro.2.Based on 10 years of record (1951-1960) at Little Mountain, Santuck, and Winnsboro.3.Year of occurrence is given in parentheses.Data Source: 2.3.2-C, D, and E 2.3-110 Reformatted Per Amendment 02-01 TABLE 2.3-66 MONTHLY AND ANNUAL AVERAGE SNOWFALL FOR THE SITE AREA AND EXTREMES FOR SELECTED STATIONS (INCHES) Maximum Snowfalls 2 Month Mean1 Columbia (1884-1930;1948-1973) 3 Greenville (1884-1930) 3 Greenville-Spartanburg(1963-1973) January 0.6 5.9 (1912) 12.9 (1893) 9.1 (1966) February 0.9 16.0 (1973) 15.0 (1902) 6.9 (1969) March 0.4 3.2 (1960) 9.7 (1927) 6.6 (1971) April T4 T T 0.0 May T 0.0 0.0 0.0 June 0.0 0.0 0.0 0.0 July 0.0 0.0 0.0 0.0 August 0.0 0.0 0.0 0.0 September 0.0 0.0 0.0 0.0 October T 0.0 T 0.0 November 0.1 3.3 (1901) 0.3 (1918) 1.9 (1968) December 0.4 9.3 (1958) 14.4 (1930) 11.4 (1971) Annual 2.4 16.0 (Feb. 1973) 15.0 (Feb. 1902)11.4 (Dec 1971)

1. Based on 68 years of record (1893-1960) at Little Mountain, 65 years of record (1896-1960) at Santuck and 64 years of record (1897-1960) at Winnsboro.

2. Year of occurrence is given in parentheses.

3. Monthly extremes that occurred in 1930 or before are based on greatest amount in 24 hours and greatest snow depth of record.

4. T = trace, an amount too small to measure.

Data Source: 2.3.2-C, D, E, and G 02-01 02-01 2.3-111 Reformatted Per Amendment 02-01 TABLE 2.3-67 MONTHLY AND ANNUAL AVERAGE NUMBER OF DAYS WITH HEAVY FOG Month Columbia (1948-1973) Greenville-Spartanburg (1963-1973) January 2 4 February 2 3 March 2 4 April 1 3 May 1 1 June 2 1 July 2 2 August 2 3 September 3 2 October 3 2 November 3 3 December 3 6 Annual 27 34

Data Source: 2.3.2-C and D

2.3-112 Reformatted Per Amendment 02-01 TABLE 2.3-68 MONTHLY AND ANNUAL STABILITY CLASS PERCENT FREQUENCY DISTRIBUTIONS AT COLUMBIA, S.C. (1965-1969) Stability Class

• Month A B C D E F G January 0.0 3.2 10.7 47.4 11.3 14.5 12.9 February 0.0 3.2 9.7 51.8 11.3 15.0 9.1 March 0.4 6.3 10.4 40.9 13.4 19.0 9.6 April 1.8 7.0 14.8 44.5 13.6 11.8 6.5 May 1.7 13.4 17.1 32.7 14.0 13.4 7.7 June 1.4 14.7 16.3 31.1 12.7 15.9 7.9 July 2.2 16.1 16.8 29.0 15.3 13.9 6.8 August 2.2 16.1 16.8 29.0 15.3 13.9 6.8 September 0.3 6.9 13.9 31.4 12.0 18.7 16.8 October 0.4 8.5 12.4 32.0 10.0 19.8 16.9 November 0.0 5.8 9.1 40.2 10.0 18.5 16.5 December 0.0 2.4 8.9 47.1 11.9 17.3 12.5 Annual 0.9 8.4 13.1 38.1 12.3 16.1 11.1
• Definition of Pasquill Stability Classes Stability Class Definition A Extremely stable B Unstable C Slightly unstable D Neutral E Slightly stable F Stable G Extremely stable Data Source: 2.3.2-I 02-01 TABLE2.3-69ST,\BILITY-PERSISTENCEANDDIURNALDISTRIBUTION(BASEDON10-61METERAT)JANUARY1975VI,<'GIlC.SUtAMiOpNUf:Lft\h,STillIONI-'t!RR.Cfli-OLINASOUTHCIHWLINAflFCIPrr<<I,')CfWPANYOM'ESANnf.'l()0I.<FdOl<NO';;IH2-070-HCfrATAPERIODFROU11TO1/31/75nAIFANDTINFOFPUN10.23.46.V!Hr.;rLc.";UMM;:pNI)CL!:!'PARR.SOIJTH('GROtINt,SOpIrlCAPOLTIAElFr:TRICt\f'11)Gi\SrOMPi\t,lYupf.<ESANn'*'flOPFJOPt-JO"lR?-(J70-09DATAPFHonFROM111171;Tn1/3117>-;DATFANDTIMEOFRUN0>3/09/71',.10.23.44.N1IMR;:POFHOlli..lSNUMREPOFHOU;;'SNUMbEROFPAS(WfLLSTARILiTvCLASSTiMEPASQUTLLSTABILITYCLASSfO",JSFCUT1Vi'"OFDAYHUURS-A--Q--c--f)--F--F--G-(LSf)-A--8--c--f)--1:.--f--G-tiLL;;:.32722/:$2,)17ft39()0()(\414Iv:3313101186IS55221-'1{)0rl?15,it4.31"0{)()12Q342??00fl31Mh4315(l001241062217710()f\316M4316D0099R414}I..40()(j"16I'i33170(}()hA1011"i00(\"+17I)4-31B(1(}()5254hPI'>00(}4.14Ii531y0()(}354336'1()00414.,6311(\000233414rl(){)(]A13Cf3'On110(1()112603q0001114333112(}0()1120()?10()()0?172{)3fl130(}{)615(i1I1()032t.2()03114\)0(}211Q(\I?21424000311'5(}0!l070013?33?21I)f\31If,000n30(l1421"?30()0311700001()0150[):'\n(}0(\'3011100()0(}0(l16I)001100()3119000()00017000;:19'20031211()(}{)n(j{}{llR(l()(l724()I)3121ff0{}0(}0{}1"1(l(}05224113122{)00u000/IV0(}()414121:n230()0{}0{}(1210fi()::,111()531240000()0022(j00414H:;31>240{}{)0()0{)23(l(){)315I'531ALL6.,1A276203lItf5')7422INVALID"OURi,;;;}"2INVAl!D\.lOUR(S).

TABLE2.3-70STABILITY-PERSISTENCEANDDIURNALDISTRIBUTION(BASEDON10-61t-1ETER61')FEBRUARY1iJ7)STAHlLITY,>IJlH"AI-'YUI<;TH1111JTI(I01'SHHlLITYVll'hILc.')II/*H-\H.)NUri.F/\,.;5TIIT\II";V}HfiILc.SlJl-ltiO=fJNIIIlfA'-STATIONfJARt-i.SililTH(Llf-iOIINI\SOllTHr.APOI.IN.1\snll!";CAf.-OLINIlfUCTqlCA"Jf!G<\SCPLl!\;'rSOUTHCAf,OLlNAfll-"CTRICANDG4<;CO/1PANYfl4r-'FSANI)rAOOkFJO!iNOOAt-'ESAND'-'OOHFJOH"'0"lti2-070-09PATAPFf<IO[lFRO"?/1Fr"TO2/2H/7'-)fjATAPERIODfl*W142/1/77-T*)2/2H/7':l[.ATFATIf'EOFOR/04/7h.IO.?b.?....nAIfANI)TIMfOFRUN10.?6.20.;.NIH-If.'c*r,OFr'()IIi<SOFHOtH*SNLJMHf.kOFPASQIITLL<;TAtiILITYCLflC,STII-1FPtlSOUTLL"TABILITYCLASSCO;'>J<;FCUTIVFOFDAYHllllHS-A--A--C--0--f.--f--11-(L<;T)-1\--c--f)--E--F--r,-N202424'-,Ih1713f'u000">11:.;21-w3000?O4Do"321-'.1000!>1143?k*4(I0011h3420200n11'I3?H............':>000ltd'/727l.1:.;000511102?f'+--00001471:11lQ740U0511H4?f<7()00132be,Ie""000412b62f<M000I1f1':>8114f,000(,116')21100010747h3700{Jt:>116211100004q374?H000(,11(,t;281100044?H21'i00012A44?h1200040C21()10000199(I0?f<13000Ati1600II011??4U021<14000Rb11001201t;?l10021iI')000H'1AII01323121100?A16000HI,500140?...?O00CIr/1017000Hi4U()1")11421u10eflC::ZIt!000Ii?300Ih00??c;100?fI(J)(:j19000HI200170002(,20028I-'ZcO000Hll10(l111000If,12002M2100079000l'l0007201()2/1--J22()007rl{J0(.cO()()0f'14602H--JI230007700021000713..,32/10C40007(,002?()()7I-'0010742fl>24(}007'->00023000711h4?HALL3IJ142PA206'J'J"1(-..72(jINVALIOHOlJR(<,I*0}NVALIOH()U41"). TABLE2.3-71STABILITY-PERSISTENCEANDDIURNALDISTRIBUTION(BASEDON10-61METER6T)1975SU>8ILITYP":P5ISTFU5lJMI'AkYUIIIHNALDI5T....1'-lIlTIONOFSTA8111TYVI....I;JLc..'NIIClF1\0-1STATIOI\jVIRGILc.f.JNIII.lf0,145TATIOljSOJTH1',\1-11)1INtiSOtlTHClIROLINASOUTrlCAPULIN4FLFCTRICp(;IIc,COMPAhYSf)UTHCAI-lOLI"IAfLFCTRICANf)GllSCOMPANYl)/WF.5ANIl""UORF"JOHNO"IH2-070-0Ql)A""ESANDJOHNO'llU2-070-09flA1APFt-<InnFRO"3/Til.1/11/7')DATAP[HIOOfRO*'3/117....TO313117">I/ATFANOTIMfOFI-iUf\,OH/04/7h.10.2lj.ll.riATfANDTIMfOFRUI'IOf1/09176.10.2H.II.OF"HOI'SNlJM8FkOFHO\IRSNlI",...Fr<OFPA5QIIJLLC:;TAt-lILITYCLASSTIMEPASQUILL"TAAILITYCLASSNCONStCIJTIVF(IFOilYH(lIIl-iS-A--fi--('--f)--F--F--G-IL':>T)-11--C--0--f--F--G-ALLwI200I'"2hO?11347?"0000320h211......300'"2I'J1.....1'121??)0005202431......V1'+002IfJ'-i101n17?0004212431..000Ind:,1)30003213431f,000117H431n400[)4IH633170001177217000511'54318(l00470..,4lJ4t:-o004IlJ44.11..,00n7'l4h0170003lEI!:>5:0111u0()1-,1140fltj00011132311100()S22)00Q000191J02Q1200(14115001000327100310tTJ110003I1I)0(I1120h221003155§14(I0(l26h()0120312100031H:::;;:IS00021JII01301p22()0031tTJI-';Z:1h0001hI001412':)7300031'.OM17()00I?0tl0150()h?500011'.0--.J'.01H()0()"I00nIt>0(l42610031--.JI1"1000H00(l1700029200.110cO000700n00I-'IH0?:-h0011C1000(,00n1')000121<;n031('c000<..,000cOfl00914fl011<'J()()()400(\210[)011211131{'4()()()000?20004IHQ031><'4000?000n00()41'f9131IILL3(,]'l11126')7,:>17,4?('INVI'lLII),llllJP(<,I. TABLE2.3-72STABILITY-PERSISTENCEANDDIURNALDISTRIBUTION(BASEDONlO-6(HETEHfiT)APRIL1915ST,t>tilllTYV!f<I;ILC.SlIMHH/NllrLFhHP,t>Ph'.SU;ITHellHIliNASOL'TMCAh'OLINAELFrTRTrAI.lnGAC;rOP.\J.>/lNYAND,10riNO"II1('-070-U'IPFPIOO4/TO4/30/7')OATFANDTIMFOf-RlIN(1A/U9/7b.10.?':I."d.V(I-I(.;ILC.SIIM,'lr<JNIIClfl>f-I<;TATICINPAh'h',SilllTHCAPOtINASlillTHCARllLINIlELECTRICMinG/I<;COt-lPA'.YUAI-'FSANI).JOt"'1-10!lIlTAPfidnoFI-IO"411/7e:,T(I4/30/7'1UATFTIMEOFHUMOR/U9/76.IO.?9.e:,I.IJOFbOIlI-,>f.llIMlirf>....01',:>'>I\JIJMt"'FR(iFST,t>HILITYCLA'iS1IPASQlJJIL'-HtlIllTYCI.AS">10CONSECUTIVf'II-nAY1;f)L!RS-A--R--C--D--f--F--(;-ItSI)-A--I-i--('--I>--t.--F--G-All2h2el-\192\7h4h'ie0()00l17c:;'"30,j3010147141,2114:11f\(\"1':>I.4107'41041141<:'3111j');-00II?1f,7'-,.1(,S00391IOUM21'<30(I0?10S71(1h002758032?4(I0n11377111700163he;1100()rC1'>.1III)0Ii0005';:.1011/-00I'04l"i'JPr900047:i90710I)II7III')t1'lll100{)0402904f<(\0014q4J]1111000D2102()()1?t-3()()iO120002.'11300Iv1?h;>100n3r130002460011311[\Ih0II(j11\GJM1400022100I?':>:l7IS0II()111dZcno1500020000IJ?7M1J000.WMIn000If!000142?III1':'-1()0<1(,I-'Z17000160001..,13IIIIf,000:10\Orl\0Ie000140001/-00;-H?O00()10-..1\0-..1190001200()110()?n1II0:IllI0£:'U0{)01()0001p()(In?h4II0.1(iI-'21000n0()0\...I)001(120{)0If.22000h0002110I)II3?3Ii:Ill230004000?l00();>17')?)024()003000c2000.11fIh))(1>240002000?J00f}1III'J4JO/IlL14;>0"???'inf>t'7?1I()!NVALInI-'()Uq<<.,)."1"I\I"I'",,"lIr-*f'\ TABLE2.1-73STABILITY-PERSISTENCEANDDIURNALDISTRIBUTION(BASEDON10-61HETERtlT)HAY1975PrHST.qfhtrfSIJMMilinO}llKNMOF5rAIlITYVIRGILC.SUMI*WPNIJrLf/If-!STATIONVlh'blLC.NtlflESTATIIINPAfd*<.SOUTHr.4ROIINAPARf<.SOllTHr(If<OLINA:)1)lJTt-1CAHOLINAELFCTRICAloJObAe;SOUTHIfLffTRTrAGASCn....PM.YDAMESANOMOOHf,J08NO'->18?-O70-09DAMESANfl""OORr:-,J()HNO"182-070-09DATAPFI<II)f)FRO'1')11/7STO5/31/75UAT.APERIonfROM')/117"TOCAlfANOTJt-<fOFOA/09/76.10.14.10.OATfAt*HITI01="RUt.1OA/09/76.I0*J4*III*OfHOlli-lSOF/-!Ol,Pc:,NlJ/-ACiEHOfPASlloiTLLQAAILITYCLASSTINfPi\S(JlJTI.LSTAHTLITYCLAS')rONSI-CUTIVfOfOAYHOUHS-A--R--C--0--f--F--G-Il.ST)-A--A--C--0--E--I---G-rLt.2293211'i112')6836000n3'I13/)11h.J3190A14':iRll4721-010004111241)w41104110')13019?000114I(l,b11560284311814:I0(l0414'-<431"6201641.2910.40007IIIh5311000571546'i000314451180004131014h000410h531'j000426027000716443110000]620It<000?"272(\111100030000Q013?52(l01112000240001()33(,19000311300020000I1f,4120003114000I'100(1Ie12041!.'-00031CJt"':1IS00016000IJ1017130003153s1600014000147toqRI0031t"':11700013000IS5311\S00031f-lZIii0001200010I3A2100031<..01-3<..019000I100(1110052330031---1<..0---120()001000nIii00(17920031I210004000II}00(1If.150(1011f-l22000tl0001'00001016e.,031230007000<:'100051312I3)240006000?20()021210711>24000')0002300021112631ALL4421'i72/>51941107440INVALID(<;)*"or*\,"" TABLE2.3-74STABILITY-PERSISTENCEANDDIURNALDISTRIBUTION(BASEDON10-61METERliT)JUNE1975<,TA8ILITYPi'I<SISTENe'OllikNALDISH{IKUTIONOFSTARlLITYVIPGILC.SlJt--1t--1f-J..>NIICLFAfJSTATIONVIIiGILC.NllClFlIPSTATIONPARR.SOIITHeAHUI.INAPAHH,SUIITHCA!<OIINASOUTHCAROLINAf.LFCTPTCA0\10GASCOMPANYSOUTHCAROLINAfLFCTRICfiA'>COMP/lNYSANDf,l,OORF,JaRNO">IH?-070-09OAMESANDMOORI="JORNO"1132-070-09['ATAPFRIOOFRO*'6/117....TO6/31l/7'onATAPERIODFRO"6/1/75TI)UATfANnTIf.OFRUN011/09/76.10.37.3".DATFANDTlt-IEOFRUN08/09176.10.37.3<;.NUMflt-ROFHOIlf-JSNLJMRFROFHOIlf.SNUMt<EtlOFPASOLJTLlSTAKILITYCLASSTIMEPASIWTLLSTARILITYCLASS(ONSrCLJTIVFOFDAYNHOUkS-A--R--C--0--1:.--F--1,-ILSTI-A--8--e--0--E--F--G-ALLw23133117f,17146.140000314H531lI>-'31411412I42?82310003147030>-'47059469191:1?000S13OJ6f>.1054027....531163000611In3306I016">405?4000513751070005H2A2050004147530800052lCl0n6000514383090004T1100700011(3101101000042'J00A00n24()003011000]11600"J10524U0030120003430010?f,fl1400010130003010011939900030140002700012107Ii50003(1I':>00024000l::l1157700030g;521600021000141147t-o003017(l00Itl00(l15112A9000300tr15ls11-1000b0001072Cl1200(1311Hf;j1'10001300(1171191900030r-oZcO000110001M00??62f)030'0>-321n004n001'10()()?SS0010'022(100(I0£>0000921-....J'0t,()U030-....J23(100700n21(I007139130I0240000(I002200(I31')i1430r-o>240000(10230001166730lILL(,':>3072?42179Ii1'1172n0INVALID0INVALID TABLE2.3-7')STABILITY-PERSISTENCEANDDllJlUJilLDISTRIJllITION--_._-(BASEDON1O-(J!fiTJULYl')?:)STilf.JILITYSIJ1/lilPYVpl"ILC.NIi{LFI\f.JSTATllltJPIIf<(),ITHrAk()1IAS()IJTHCI\f.!(lLINA1\:,'11hilSCOMI-'Atllf)At'f-SANn'"00,)0Hf'.,U"1H?-07cl-04flATAPFkll)n7/1/7"TU7/31/7'->DAHANnTI"If:0FHUN()Q/IIY/76.10*:1tj*24*VI..../iILC.NIIClflU<STI\T\m,I-'AkR.5(,11111(1\f-;1l1I"IASOliTHCIIRnLIN1\FLr"CTRI('A"JD';A,....CO,WAtIVOAMES4f\10"OOHFNOC,IH2-11711-0Q(JATAPHdOIlFRO"711/7e,Tn7/31/7",TIMFOFRUNOH/U9/7h.10.19.24.kOFHOllf.lSNUMHi"f.IOFhO'JI.JSNIJMHtROFPASQl1ILlSTARILlTYCLASSTIMtPASQUILLSTAI:iJLITYCLlISSCUNSFCUTIVEOfOAYMOURS-A--H--C--0--E--F--G-(LC;T)-A--8--C--/)--1::--F--G-ALL213f:lhlOll?h(l63170()0/I1?2713II..)331C':J'/20733I1I00012'12331w034It,q2210I400r:0002C24311':>0002013314<)jn004It!/11J1'.:;)h00013107940003212317000I0b7/:)7')00II1217('31tl000H704fh000?lY'-)IJ1lj00()t)'oS3e,'f00()4IHf1311IcJ0()()44I24H000141321)11I1000229I1411113Q4I3012000110?1012hR941311300001201I114Sf>Q51J1140000q0012434757I31h00006001Jto1111'16I310trJas160000400147?2R92I31f-l.170000200I?44HfthI311M000!)I00II,342I174031t-'Z1.Df-l1'i0000000172I212122031I.D00000II10--.jI.D200I00IIR2011--.j210000II0014()()01613<>01II0<'2000000020000918)I11t-'()0000II23230Cl0011?:,I:1I2400()00002200f)4Ih')211>24000000(l23000320443IALL?722?AIff1:1')011h:JO7411INVALIDI")*03INVAIIn-IOlIq1<')* TABLE2.1-76STABILITY-PERSISTENCEANDDIURNALDISTRIBUTION(BASEDON10-61liT)AUCUST1975'>Ti\I1JLlTYD}IIHf\Jf>Lfi1STI-lIITIn/\1OFST.\11ILITYVIHGILC.<,UMM",-<NII(LF.\,JSTATIONVIR"IIC.<.INIICLf,H)STc.TIClNf-'AfJf,,50"THr:t>fJ01INi\fJAfJl-i,SO'JTIlrt>F/Of,INA"<,(IUTfiCAPOLI(\,AfLFcTqrrto"!,G{\C.rO'-1PANYSOUTHCA(-iOLINAfLFCHlJrf>hOGASCOMP/INYDA/)1-_5AN/)"00;'<FJOt'NOC,IH?-O/O-OlJOA'At:.SANDt-'OOHFJOt'NOnATAPH'IonfRO/.,HI117')TOH/Jl/7'-,[lATAPP<IonFHO1RI117<-;TOH/3117:,nATFANt",TJMEOFHun01"/04171>.10.41.31.lJATFANDT1MfOFPUNOR/09/7b.flUMRFqOFHOIf"'>NUllAFPOFt-10III'J51l\II*lIlffJOFPf>S()IJILL<;T/'.'1ILITYCLASSTI"iFPASQUILLSTAE1ILITYCLASS((JNSI-CUTIVfOrIIAYH()UHC,-A--14--r--f)--f--I---G-IL':>TI-A--8--c--p--t'--F--c;-I*LL2h431I14M14111HU0U()4131tl43110400510710452Ih141I231j10004w4??03h',Ie:.,34920003174231,>-'.,1I0170')]21hj000415I,)2:1JIv06400hi,111145400041212311II00')j26,j4'>0u041:'7C)31I:J()004h1SJ3t--00()416'>()1190003'-1R1i?700()(,IS6431100001440I"I0001f194\I311I0001f)200li0142t-0003112000('f-,I001u74H1200011130002j0()0I113;(1(10I)0311'+000200n012If>?"H0n031IS()001r'0001jIH23p0(J031Ih000It>00014Ie,2e,e,00031I70001400()IC)If>2e,710u31C'lM111u0012000167Be,q1()I11gs190001100()n01131?21031>-lE520()()010{j()I)IH()I)1?91()l)31I-'Z?I()00'J000I'}00n£'0110()31\D>-l21()00M(II)000714S011coIII0-J\D23()00,0()()r'l0()0')13I-j0J1-JI24()00I,0()()?2000:,12U2310>24000':l0000314II)431I-'!]0(1"Ll,'It>2bse,?17cOOIJ':l10,7440!i;V/ll!1)'.nUR('-)*0!NVAl.IP',OUII(<.;)* TABLE2.3-77STABILITY-PERSISTENCEANDDIURNALDISTRIBUTlON(BASEDON10-61METERliT)SEPTEHBER197')SHHILITY<;UW1{1,,'YnTI)rlI.f!1STrtIIITSTO>-\1lITYVI"GIlC.SlmMer-NIJClfI\f<'STfIrIVIt-lGIlC....NllClE"....STIITIIlNPAkP,SOI'TH(f\f<(;1INApf>f-P.50'1fH(:INASOIJTHCAf<OLINAI:LrCTt-lICArIf)(;ASC()MPAt"ySOUTHCl\kOlFUCTRICAhf)f,nSCYANDMOOk..JOHNOe,IR?-070-09OAI**ESAN/)M(,Of.lf*,JOr!/-10"1H?-1J70-09PIITAPff-IOnfPO"9/1/7'->TOlj/3017':>PATAPff-lI00fliO19/117<,TOIlATfANI>TI"EOt"f<U,"Ofl/Oll/7b.10.43.37.nATFANI)01"OH/09/7/).10.43.3/'."JUMrHI-IOF11011IJSOFHO(,f"SrWt-1UtkOFPASUIJllLSTARILITYCLASSTI'"'FPASQUT[LSTA8ILITYCLASSr:()Sf.CUTIvf(It-DAYH(JUf-IS-fj--fl--C--f)--f--F--G-(LSI)-A--f:l--c--f'--f--F--G-/ILLN2:i0211237lil2321f'o00n(\4107jinwj?10519M140134100()f>17A1j(,11501171110SAI-"?00n7>204110N:,')011')21",4240()0720?130I-'640013h<>31340()f)7192?307100121"702':>0()0q162330H0()010"/3401I->0001014331nlJ(I0(Iy72C,00700n1()IS:i231'100()0Rt>19001100017112030110007h1400'I0(I('2<;300)(:120000710001011h21100:w1100n')'Ih0(l1192?17000)00M140005120()127S314000('4C::::ZCJ"Jt:j1....00n',7000137?h1400U29Ib()004?00U14Ii0S160002C1I-'Z1fU00170001')6()f,1h000?RI.OJ-]1.0ItJ()0011()00If,4411q0()())0'-J1.0I"(I0024000171012')10030'-JI£'000n"'>00011\0()0?37()0300I-'?10002c-'0Il0III000t)211I0Wc-'?00()?O()0(lr'U000S19<>03(,(')()()()l,j00()'>100n4141()230('4000I,.,000000')141410>240001400()?J1I004141()'2.lOALL4314II'>{'G?2421->42471l}I"JVALIIl'I(lUI{(<,)*'0!NVAIIn(l,)* II\!\IIqSTABILITY-!'L!{S1SII.tJeL,ItJIJ111111\ij/ILI)I;;11(IIIIH!UN-----.._-----HASE!)ON10-61II,11CT()BFH1Y75C,1llrilLl1Yi)*'*'S1',1FYf)ILJkNAL[)I5THIqIITIOt\'Or5TMlillTYvI,If,]I(.S11,.1/.11.<ri-"IilfJ'I'JVIkGILC.NUCLEI\PSTATIONf-'*"d';TH('t.1'1I"<r,PlIkP.SO'JTHClI!<OI,INA'j('IITHCt>k(ILfI"(:T>-Jrfl*,1(,!.<..:.SOUTHCAROLINAELFCTRICM,'t)Gl\SIIAMiSflNI1(\()I,*,j()f-H\,IDAt-'fSAND'100RFJORNO<;;182-070-09I,f;TAPFkll)[)Ff..'.)*I()/1/1'TilIflrll/7'-,DATAPff.nonFIlD"\10/1/75To10131175)'flTF1\TI>AtOf""1It*oI,/UI,/7h*\u*<.:,*I"nATFANI)TIMEOFPUNOH/OlJ/76.NIIN'Ht-kOFt-<(\'1"-C,NUMRFkOFHOU!<SIt*\>\tHtlFPt>SQilIILC,TA'-'ILlIYClA':isTII--\tPA5QUILL5TASI.lITYCLASS('ph,'-,t.CUT\VF-(;-('FDAYHlHJ,,"-1\-_w_-(--LJ--t--I-IL51)-A--R--(--0--E--F--G-ALLcJ3\h\14hIi'1I'"U00()141()1131j(/0f\(I"III"7e,I1000112'I'I3\l,j'+(1()1C1'i'II(-I7<,00l)1147931?n04'-1r....l:'\hkIe.,fl:ju00214101\h00()3t-h\':lH000?14q:lllj4l..l(()0()n')\))0""000:'\1639J\::>Ij00()tII"f)41',0003IS"431h'I000\4r"*j3,17000412Ii7311()II0()'",-It'II;>?000:>If>4631h1\000hh(I144000?2'l313\IC00()':l11(If<)01II?2332031)30()04HI)4017?O2103\11\4000\'>\)))C.?3q1"2003)1::>()0IIr?II0l.j241?121003\\b00(\\(I(\\4t>1IiIS1001\r:sr:<\70iJ0(,00(l\'>01q2100031OMIIiIi000000\')000I}0()0311'1()()0lJ0()0Ir()00101003\(J)t::JcO000II()0(,1H00()?1'10031I-'ZC'Ili000()0(l)'I()(I011h1403\'-Df-jl:'?II,\01\IiIi(\2li0l)()1717h11'-D"'-D()I)(III0n(\02I\;.:1)II""J0d0b1r4(\(\01II)(IIIIt'()0(\2h"14)I0()()00II000002IIH133\I-')r'<21ALL11III1*7??12091221247440!NVIlL!fl,,()(If)(')*0INVl\lII)'*nullI)* TABLE2.3-79STABlUTY-PERSISTENCEANDDIURNALDISTRIBUTIONI'lETERf',T)NOVEHBER1975<.,fI\HILITYp"I)SISTF,,(I:SIIM/"Ij\.<Yj)II'll/vAL[J1ST"IIITI()/\,OFSTllliILlTYV11-"(,ILI:*,-Nllrtfe.,r1\rI[INVIPGII.C.NIICIfOf.(5IAIII1NPARh.S(1'1rI-i(f.kOtJ/\d.PARr-,SO,/TH')ill/IH(Af.'(llPillFL""cTkICA/'(,(;l...')(!lMf.'A/\JYSllllThCAHOLINAM'Of,4SCOMf'AtIYSANr,,,()(JKI,jO'",-,()"1P,1-11711-oQO""'fS4NO,lOPNO"182-070-09IIATAHI-'IOf)Ff}O'-1111//"Ttl11/30/7'::'llATAPfHlonfHO"111117<;TOI'AIt-A",r,TII-'F0'HUt,OH/O'!I.10.47.31.fJATfANDTrOFRUNOR/09/76.10.47.31.NlP,.4'l,*r)OFroI\.Ii*:>ROFHOIIf<SliI,tH'IfPf.,,,U/Ill<.,lArilllTYCLAC,ST1/-1;'PASQUIllSTABILITyCLASS('I"I';FrillIVFI1FDAYS-A--1-<--c--()--I:--F--G-IlST)-A--k--c--f)--E--F--G-fill2tl3III.....II?'-onI"t000I)4In313301'03tl(),)Ilf7117124100I)411JI?30w4(I01Ill!"j{'jI1"?0/I04Bt>1?3rI(I00'4,Ih1'1('J000f,7')1i:'H1':>1'0!)fIn0.,I2f.11tH40003R71230w70001214777'>II00310e.,1230({00020I"4/)L..h000310hII30LJ0001110(>'-,4{0(l()2133I?:1010n00S...14:l'"000S10.'11?3P11U00,-'1034LJ00010'1JH30Ir'000IIIII2<10000If\/)42)0}:j00(1lJ001f-1II1)2140030c;Jtrl141I00000I'ICI)h('00001(1C::Z1'-)000Iin0?1:I0471900(lCJ:lt:J1600000(l(10014"??0Il(lInf-'Z17II(l,0(lu(l00(I-s250003(1'.Of-l1n(I00IIn0(iIt>000?H20030'.0---J'.0I'J(I00000(l1-,00020100030---J{'II0()000II()1H000'32h0II.100?l(l000()(Il'1'/000210IIi(I10f-'2c(I000()II0<'0()004')1IIII30n(I0(I0I)0Il21000'>4-,123024fIII0()000Ie000S7b123(1>£,,+()000I)00d(l()0St1')12)0AIL{'H241Uti4/\1/)47?001"'VIII1(1"(llJP(',)* TABLE2.3-80vIIlL.hLfhI-rt.I))1\",.*.5n,nH("/lh'PIIt,llc;(ll'l'iCJ\I-I(ILJN<<FLH-:T,./IeA"f'1;1\";\)1\,'"_5tlf\;f)/'O(j>-lt-JOI-lNO'"1I\I>TAfJFt-IlUflF'{{j'1211/7"IIIPAHAI\II)OFf,II;,0"/(14/7h.ll1.4'1.24.VI...I;IlC.NUClfllh-ST4.TIONSOIJTHCt.f<OlINASOUTHCAROLINAEl,FCTRICGASCOMPANYANOMOORFJOHflAIAnw*!1211/7<:"TO12/31/75flATEANf)01"RliN0/1/09/76.10.49.24.HLJ,V,H'"Of-f"<nl'"SNU"*Hi<=OFhOllf-iS,Ill'PASOlillLC.TM<ILllv(lA'::>5TIPASUUILLSTABILITYCl/ISS('<1'1').CuTIVI'ofOAYh()U"<S-a--,..--(--f)--f--I'--i,-ILST)-A--f:j--c--0--E--1'--G-"LL?(j0e.,C.1'->IlJ1I?JI?/-0000':)1311031NJIl0I1'1014"14I141(l00to1221131w(\11,,<It1'-'I(IIS1321131I4I)02000t-'e,00(l11'"}1I4'),,/,3000b1321031N-1'-()0/III7"c,C.174000b142931h0()0In\nh1hhS0005Ie.;2"31Hn(l0yoc,?tjc,"t-o0n51141131IJII()n"'44I)U4<,700f)"1231131l(I(I()(l1'-'11IIjnIi000{)10411311I()0()14c30(Jf100/)712I'10)1l?(l007ilIn0??10()011410153111Ll(I(lr,'111(I1h110101910101114(I(I(,"lJ1(\I?11I?440031h(I(I(161II<.I1;>')2003113(IIt100IIS"J\I14n0""242(I(j31I7(I(I0t'l'"('II(,\':)0()1271II0:n1c-o(ln"c'1()(I1'>n(I0eq()(I(I310trJ0()"II()0n31&ls1'I01100(I?2q00cOII0()()0(lII-'(I00l::-e':>II0'nC'100()4I)()0It140007IS9II31r-ozII(14'*fl0()?c:IICU()0(Itl91J11'-.0t',II()04':IIf)I'00(l1"'Jq312\---JI'IIII,'.IIIl(I??0(J0c;lJJ1(I31I0>(litI'()1\i',UIIII23(I()n'1127>(I"31r-oAlL.11:1?7H?4'-J"II)14S144()INVAIIPdflll<<('.)*0INVALIO1<;)* 'l'1\1\1.1'l-(lI1'-"STABILlTY-PERSISTENCEANDDIURNALDISTIlIBUTlON'--------(IIASED9JiJ:0-61l'lETER_i\Jl.JANUARYTODECI'J'lI3ER1975----,:>TIlHILITYp,-L<;1C;TffI-I)IIIH/\/I\L'"<;THIdIITInOFSTi,HILITYVIIICowNil"f1\'"<;r1\TI()I>JVIHhIl.C.I'NIICLf."jSIto!1()(\'I_A"'l{*SOl'T/-<rt.I,III1t\J1\PAf.<t--<.",IIIlTHrIIINA'"II,T,.,CIlI<I)LIt,A'I)(,1\<;CYSnIIT>;ll\'1lFUrTH!rA'J[IGil"(IltWA1\,YfJIlS/INnI,'OOKI-JO'{NO..,1t1?-0-'O-09lUI,'"f.<;ANf)'-OOfJf.J1)41\,0"1'le-070-0QL'ATAPFkl()f)FHO"II]/7.....T'J1211117')DATAfJEHIOnF1-<(1,II1/7"TI)1?I3I/7')111\rfAI\,nTI'*;fOf.f..'II"0"/O"/7t>.10.",}.h.[IAIftoTIMF(H'-(1)1\:(I"10L:j17A.10.",}.I....r>JlJMR,',.;OFt--'1/I"<;/'JIIMHI-l-JOFhOII,SH()FPA<,,)111LLSTl\l<lLITyCIASSTIwEPllS()I)ILL".TARTLITfCL"S"<<Ii)FCullVFr:FfIllYHllll"<;-tl--4--r--1)--F:--F--f,-II<.,T)-A--A--r--11--F--F-tLt,177<I]f-I->?j<;',2".13f,7H"ht.,00(I!J4(1It>':i'-I]hh'<t.,')3II)I?f-,?,1'13<;1'-,,,,')4{'<i<.,4?I0(In44177fl]h31h"'.4SAII?314hiI?',??II{44",>00II4()IIi77ef-,hlf,0-S300qII'IM'1"4)7717210()IIC,?17h77f0lhC,t1]Iu")()Ol)7rlrl)l:l'111L:j40()n48777f./-,4'bS7?<)IMI,l)h?IA4;'-')4....00II47IH26?74ih"-k()0()7).,41"1'33'1r'o",I>0()(\"-4172hl7h'At..,L)\)00hU",lhtl23J'>0I000f-,Y162hit>t,III(I0()'2,iJIPIH()00J4flI?H474t-1h4II00(j4')4)cl]4>-lH<i2'31h2?1,72?2?711>?I?II0f)i'171:.12Ih)JII1hIb4"71741,13H1/)4Ij(j0()Jl)4III--,f)3"11447lJ"I:::>00327I'h'-,l't0f)0VI..,I)1IC'hO371°4127I4b()0024411II7IjtoO3't"I>InI()hI"h4Ih000(,711I70f)1465?f'f'-,l't(>IV.,4J1(I()()<'4'Iq()f)Ie,42II,II?171\71lA?It1lJ0()2('"e..,0(l]t>???3lq?h4lCI,)"h<,II(I0f)?I',2IIlJ)74..,'14',>74..<;JlJ-,f)<:'lI(\()(JC'lllI!)l\)M0(\4?l0iIi'If)\--,!.I()0II1;(r{II00Iq()l\()1'0It{('..II,,)1"\<'<'.(j0III{,nII(I100III)77)(<iliC'('1'\I:,\--';..030(JIIIhhU(I(1;'>1n0()<"A]SIIII)41116'-,<'.4(l00I..,h(I0(I?l:'0II044I':),:>-<4h7'{h<;>(4()0014t:000""100()421/'4HH7I'lh'-,f'lLjI"J7J4("'3'1<;q271-,4112fiLl':).."'-(I?INVilLIn"11111(")* 2.3-126Reformatted PerAmendment 02-01TABLE 2.3-82COMPARISON OF 1 AND 20 YEAR WIND AND STABILITY CONDITIONSFOR COLUMBIA, S.C.Wind Frequency Distribution (%)Wind Direction1 Year 120 Year 2N5.486.84NNE3.736.47NE4.867.88ENE5.417.00E6.206.25ESE4.624.42SE3.363.29SSE2.232.62S5.556.30SSW4.596.40SW7.9810.67WSW6.689.83W6.518.38WNW3.735.45NW3.774.19NNW3.424.01CALM21.8813.83Stability Class Frequency Distribution and Mean Speed1 Year 120 Year 2Pasquill-TurnerClassificationFrequency (%)MeanSpeed (mps)Frequency (%)MeanSpeed (mps)A1.231.700.911.65B9.902.228.052.42C11.343.5113.113.76D38.463.7938.814.43E10.923.0411.703.14F & G28.150.8827.422.39All Classes100.002.68100.003.14 1January 1, 1975, through December 13, 1975; concurrent with onsite meteorologicalrecord used in this report.2January, 1956, through December, 1975. 2.3-127Reformatted PerAmendment 02-01TABLE 2.3-83AVERAGE CHANGES IN CERTAIN DIFFUSION PARAMETERSAS AIR MOVES OFFSHORE OVER WATER SURFACESRelationship of Water to Air Temperatures> 7F ColderBetween -7 and +2> 2F WarmerU, mphDay15.6 to 18.111.6 to 16.812.9 to 18.7Night11.0 to 13.211.4 to 16.67.9 to 15.9, 1 degDay11.5 to 5.010.3 to 5.310.4 to 5.8Night10.1 to 4.310.1 to 5.19.5 to 5.2,2y meters @ 500mDay42 to 2738 to 2739 to 29Night39 to 2539 to 2737 to 27 1Wind Direction Variability2Horizontal Diffusion CoefficientData Source: 2.3.2-O 02-01 02-01 02-01 TABLE 2.3-84 MAXIMUM ELEVATION VERSUS DISTANCE WITHIN A 5 MILE RADIUS OF THE PLANT Sector Maximum Elevation (Feet, MSL)Distance From Plant (Hundreds of Feet)N 436 plant site NNE 490 247 NE 480 158 ENE 510 137 E 470 41 ESE 490 65 SE 470 43; 103 SSE 450 135 S 460 36 SSW 460 50 SW 450 24 WSW 436 plant site W 436 plant site WNW 436 plant site NW 436 plant site NNW 510 165 ALL 510 137; 165 2.3-128 Reformatted Per Amendment 02-01 TABLE 2.3-85 METEOROLOGICAL INSTRUMENTATION VIRGIL C. SUMMER NUCLEAR STATION Measurement Level (meters) Instrument Instantaneous Accuracy Nominal ThresholdNominal Operating ConditionsNominal Calibrated RangeWind Speed 10 & 61 Ultrasonic 0.3 mph (0-10 mph) 3% of Reading (10-100 mph) 5% of Reading (110-125 mph) 0 mph -50 to +125F 0 - 125 mph Wind Direction 10 & 61 Ultrasonic .5% 0 mph -50 to +125F 0 - 359 Temperature

10Platinum RTDProbe .16F N/A 1-58 to 122F-20 to +120F Dewpoint

1.5Computed .4F N/A -50 to +150F-15 to + 85F Delta Temperature 10-61 10-40 Platinum RTD Probe .32F N/A -58 to +122F-7 to + 18F Precipitation1.5Tipping BucketRain Gage 10% .01 inch Above 32F N/A 02-01 RN 06-037 RN 06-037 1 N/A - Not applicable 2.3-129 Reformatted Per Amendment 02-01

Table 2.3-85A 02-01 Table 2.3-85B Table 2.3-85C Table 2.3-85D Table 2.3-85E Deleted Per RN 01-030 2.3-130 Reformatted Per (next page is 2.3-135) Amendment 02-01 TABLE 2.3-85F RN 06-037METEOROLOGICAL MONITORING SYSTEM ACCURACIES 1 Parameter Reg. Guide 1.23, Revision 0 System Accuracy Design, BasisMinimum Digital Systems Accuracy (for 15 minute period)Minimum Digital System Accuracy (for 5 minute period)A. Wind Speed 0.50 mph 2 0.125 mph 0.200 mph B. Wind Direction 5 degrees 0.250 degrees 0.500 degrees C. Dew Point 0.90F 2 0.20F 0.30F D. Ambient Temperature 0.90F 2 0.100F 0.100 mph E. Differential Temperature 0.18F 2 0.040F 0.075F F. Total Precipitation 10% 3 10% 10% 1 Reference DC09690-001 2 Time Averaged Value 3 Total Precipitation accuracy is given in proposed Revision 1 to Reg. Guide 1.23. 2.3-135 Reformatted Per Amendment 02-01 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TABLE2.3-94BWINDFREQUENCYDISTRIBUTIONSSOUTHCAROLINAELECTRIC&GASCO.-"IRGILC.SUHMERNUCLEARSTATlON10.5BETERLEVEL:SEI:'TEHBER,1975P&<;OtJlll_.lJAff/fHtTA-lr""JUI'10-"'1....",pInsAf10.'>Tfl.lfvfl.,.HUUHHC/OflU-lIll-hiufIt*,'.*ATIfl.SJ..I£l£uUvEl""tiDF4£'JUt.YDIJ1<11TloffvUf...l"Jf<UJJONf'NN1JMf'ff..IOFf1[(I/UUfNO<..JIFJ'J"Ullr".cy'NMp*4flfuOFO(CUtl...£NCf'll\dfClA'l;,l)It'IfUIiAI<:.UF..lHII,)PFfP/"'PHI"'fl',--0"PPfuCtI!<;!'>jtl'fl-lVAIO.*INf)fIIj"PHl'fAI'."....tC'10,...I*'\,7""10II'II'PI'lf,Ilvi"'.(no,,"I1*,h,RQIn'I>11fj't41':I'JI"",IInIQS...1NNII000,4...,NI"*J,,,"b.Qol,".0S2I17'1.111FNEI1II001'\l.P'p,II0n,l.'.f,I2?,nnII'."\I770n1.1'J:0II7I0A,.n.'"I00";>.'/"0"2I.n7lb.lll,.II00to.'.?...,.12I6,0?IC;.S"0I00'..,,0'\2n0I17'\*nR20004.1'"-"I101QS.I'"S,.,00n?'fl,.2,In"0,1."QS.,000;'>.1)""00?n00,"'.?#i2000'.'..IIlnO.0171.1Q,000;J.l.!w*.""I0000I"'.j...0I001.1"I,n"0I'1.<.;>00001.17N0.l000,...Of)1<41,..,0000t:.12000,1...0"00o.WIrIllol."(lit...**nt--'V1iflJAl"JI3'*I7"?H?nI'7.2"".11JillAl"I"II1.',_W'IFl"'vAIlfl"H!::'F:,/v'l,rN"of.1,041-<£"",,'IN""lI"t,k<:,rU\I"10N("0'liTIl"'luMfltH0',,>0lOhlIk0'lJVI\'JI1"<;/7"PIlUlll.".UI-lo'""'ff/OHTA-1rl-<ITlI-JI"lfl-'""'rTf...."_J"'lO<;'ATlH.,",..tIfP.<.;,tllJlllALLfrJ.lUM'Hf/0111&-1rI/fPUIIIIf)-'I'Itr_INlI"1\1Ill."!-lIT(...lfyFt-'0fJoffOllffJrTlllt*P*q,-u'lfHl\oilIfUf(-'lJf"IfyHI'*IHp'lIfIn",,rU'OWN(Y"NIlJ.J0'Orft'OIl-Jff-.lrr':.lI',"'ii"'('N'-IIIMRfP'"Offllt*mrNCf0.;IOtrJ",,...pHOP,-\{flA<OSPdfH\lAI0.;0'-'INII'-,HFOf"'Phl..,."INI)"1"ItI'C;'JtJlf""YAI....Of.INl'"1-'1111'I,fP'I'QZIJ(-ItCrfIJr-.,*,,,"",0II,II'IIrfl(1-"'"01**"('IONI*,h7h"I"II-IIlId",(fJt:;j"i'....FH"""00n*"7'\,IIII2,..".11.,00I'."',"',II,h'7III,I",t.'..f-'Zi,0Il.'"IIJQ,,,h,II77....#.'1'-0>-310000n.,7,,II,11.....11'-0fSf000HO.t'f2.I0,1"1"'-."""'-0I0n01.\1l7h,II,,'.1.1"'"0000".",*hIIIIf,...,\I,0000ij.h,,,..-,\0,>s",0I00-'.,\/l<).....?QP-'.11f-',.2n001.#"1,.?2I"".'"II1n1.?,.',..,0,'I".111,0HI.In,I",1,'/'/00In1./1\""?l'".'I0000".""./1,.,.11."000H.,,-I',...,.,00nH.'.f>."'I,l!M**,11'l,,..,,I!I'AI;,1./,Il1lll1M',',.;I".,.".'I"'\1"",0'INVAIIOIflkS"k!JloIlt,U'"P-IVAI'n'H',-'\IAIIll",In}"AfR'"OH'"RVAIIOJ-..l<:',/0lA,'MIlI"111\'"I.VAIIIll'*?O TABLE2.3-9SAWINDFREQUENCYDISTRIBUTIONSSOUTHCAROLINAELECTRIC&GA::s-CO.VIRGILC.SUNME!{NUCLEARSTATION10.5LEVEL:OCTOBER,1975-e**lfC/DFllA-lrPIHuI'10-"'1L<fUw(\oI,...Al111.1)"'EIF\.JLf....ft.10fl.J[f.lJfN(Y01'...fkll-<IJllnii,'-QrnllfN('fTN'w/oothfuUfH!-<O'"IIfc/OftTA-Ifl-olll\..t{b10-"-1...f11'..,\jll"l\rIf).';v,ff*,lf'tfl"""'llfll.....rWll-lulJOll"i"II/Wh,t-'OsO((IHHJ".ff'"wiNflI'IPVfPIHffl-l'v'Al("Uf_'0",'PHI...fiN]...,,..1fiQ10IIdlTnTAI':'PfP'"""'I)"1-'1CtIll'"II,nl-lfu(1..<:,l'dfv\lo\{<:Of"'p,<1\"'Vffll1'+...,,.,,...IPII)IIr'dtl*.I'.....t-'ItPi10AlI(!"I'<"f""6111'1'>4"IOtal'*'J..rit..PI"1"1'.1I-OVO11n','-1..""'l00InI011.#'/'100*n00I"'.J"f'.f00n*0n?'.nl'lf00*n0nI,f;f0**000*n*"00n*0nnnn.St.!'0000nn0O.,n*000n0..00PIn0I1.C,fl,.nn0I00It**.,".n*00000n.00*"n"no.".n"*0"n0O.I,.nnnu0no.""-.-00nnI?"tv"0nnn.Wfilln.It*IlItII'.,V1.J>..."...'"fJ'f\f'lILJ'l<iC\F:j..tVATr'01ALor"H,,>JOlIYa'In,...,..Pf,f""..,".,,"'"",..l"lal,n'....1'.1I.'I".'"".".".".".f'-('Ufll"'II'IJOI-olllo<IIff/IJl1'I'-lrp(Tlvla111_"'1"Jl!I'.'1.c.....fI(\f\Itl\*t...'lOlltpn.IIj.<'l/O<,I-r{fItIIb-r{j.<r"...I.1Il_.I.1...",,11<'.',,.,1t*II\I'l......,-,..rt/It.."1',1-'"'\lilt....Of.,,,,-....,""(",p.1l",II,II1IT'II*I'llI.It'"f'Ieyq.'1<-1J.,,(1'tilt.("1"I...lt--orO((\1"'-"""I't<..I'"1"fl.,E"I!f'*('I'"III1...1""'IfH'IF'-"(,\Itfv(V"...nI0>1l((IHH.,....r'"1..It-Iv"VJ.'(lI"'UI'<yoA'..;Of"'1"'(,....PlrII(",P.tl',1,,*I,P..,C"'l"i.1"I"11'IIIf"",':JT'""..-,<.t.">.,.0...."10trIf't.,1.1.'1c:::u....;....(j)"f*0"".1"H,0"".."".0U1"'1,-'1f-'Z,n0_'.1"'J)rlS\.*I....)V)n,.<'--J\D00o.--Ju,o.Iv0I,'.an0f,"f-',".0'.1'n'.".LA,,..".Inll.\'",'.",\,"'Hf...,,...v41"I<I1,"tT"v'"I1I'4tof0'HR','j;1ya'IOrl"1"-1'.-'..1-(lI'll'I.'.<*1111'"I'-l,"'hlI,"'!'...AII"",.1I'.InlA'"I"d,1,\1"IIn'..,IfIf"I'I"'....,,-.-',".'J.'"Jl'-,III'I 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TABLE2.3-961\WINDFREQUENCYDISTRIBUTIONSSOUTHCAROLINAELECTRIC[,.GASCO.VIRGILC.SUMMER10.5METERLEVEL:NOVEMBER,1975pac.,UlJIII-O-ffNOMI\ff/IHI.'.-T('"'1">>1.10-'-I**f"**..1*,!'<".110....wE1[....Uv!:llit,fUf""f01lUIt,ll'10"-If"",.!JrN(Y'NO'n(rlllH'f....cr"I_INVl'VPfj.<fl........I-lVAts\I'"1"'0"Pffn,...I>>HI",."IJlf.JfC'ION,.,*,k0I"""1'/11*.I'fll'NNf00J0'I.'...'"0nII,<'.'-I'Jft-40"J,III,."H,00,II,>.L'-I."0IIII"00III?'.J.<ol*70,n..'...1,7*IJ,I"'.....".70,I?'0'H.',"),.0I)00"It""III*01PI.?'jII,*?"."*0Jn",....',..,.I,I"'1."17kJ'1..../1I1,4.'.1rAIMo.Tfll'l..Ih7'1">1?t\0'1"".'1'."."-ljNl',I',"IN....at101l11""11"1rill"'"TOfAlO./lB'.1(-lVfo11Il"<"'70...",0FUfllUfN(YOl....'qll*uf!mlIFPfOlU"",(YINor<;1Pac;oUIU_fl_!,nO,",'fC/llfllA-TIn-,I...TfI',"I'll."41MElfVflI."n.n.n.O.fl.n......)1.,*nn.II.t.'1"I"...."n,)...."J.,',\.ll,II.o/10IIPPfl-Jn6,e,1I-*dfkVAt"OFC.Pffn'flit4...f,1qInII'11t/'.PII"....,..t-ofL.II'!"l"1II..".,,.'VAT'I"""TIITal"'l/..(lJ1"fUVA1!fl'*....,INU(IITflIAl...'FROMAf(/NLr.-T(RITfF-tI'IO-fll"flfL-('"INnSAI10.5'"'rl[,-tfvrl_,"-0fU[(jlJ£'NCY01'"'0'"NU...R,HO'Of(IIJ.JI.f<:,I(tt.O;<;,..,ffUVAlc.0"I'm<;Pfff)IOo(P1il"'rUlHIIHC1Jfl'")*56,p91011".Tt'lal"'PIfro",0000QQU00Q000o.,',0000Q00000000o.,'I*0000000000Q0O.,0000000000000O.f'I0000*00000000o.,.0000*00000000O.0000000000000O.Q000000000000o.,;s.0000000000000o.,.0000000000000o.""00000000Q00QO."*0nu00000000o.".,00000000Il."",.010000001?I"1'-'"N.000u00000O.N000000n0o.wICAl"4O.t---VllllUl1.l.<;'0'lI,u.....tl.4"'It4VltlllVII'"it;0t016lkUJoIP'HOfl)A...P...vAf..,poP.c.lIl11lt'C'"r(10£11A-TCt.lIff'"I(I,,-I"tTf*<-WINIIS'f111..1:,"'fTf-lfvfl"1"11)fUff,II[I,(YnI'p.1"IlT1ff"fflUJefl(TINNU"'lH,H(J'O(f:'hH-I,<;I-,"tvC,I"IIF,",Vii<-0'..11<41)..."""I't""'>IPfCfJON,)*,*,p0."11>I'f"I'1t.,.P'fI,f*Q0"I0'0"7"."....",000"00"00o*fNF000000"0no.f0000000n0o.(")rrJ"1000oj0,*0.A.qe:.c:::Z"n60000"0n".Ult:jS<>t00nII,0".h.I">-':l:s:*7000Q"",...1,t:TJss.00n*00II"0".I-'Z,.001I000v7.....f'l'-D>-':l"'\1If*00000000o*'-D00)n000II11.;'-1---I'-D"70"00""7I.I'---J"0I07"0n,,.r,>INI,of01,VII0t.l'*0"10UII.,'11I-'CAlII.In!AI,,0.,....../or1"1't'141III."10rAlN1lMfiflotOfOR<;,fJi",..,10*.....II" TABLE2.3-96BWINOFREQUENCYDISTRIBUTIONSSOUTHCAROLINAELECTRIC&GASCO.VIRGiLC.SUMNERNUCLEARSTATION10.5METERLEVEL:NOVEMBER,1975Pl-='OUlllbr.HPUMH(/PF,TA-T(RI"""."'fH"oJ<.,.t..,I(I."MfIft"tfliflP.<:,IlUlll.,.6ffj{lfll1-1{kllfPjI>10-1I....111"'"INflI.:>afIIt.t,'-4flfLJLfvfl*"".0FkflltJf"ify01<IHpultON*"10'UflllJf'i(vflf<;tJ.JII-\fTIUtIIFqrOllfN('f"U0'..crSI{'-PFIIIIfy'"HtJl*H1fJ.I'"f!r(I'JH1f....U<:'1wIfVPI'QCtINIfHyAt....or"I....'"'f(fl...rA.'11,.PPfOrt.c.<;1'£IVA,c:.0'I";PIfnj...P....,,I**,fllH(fJul.(I*,h/,10II'11TI,'Al<;,Pfrflf.'oJf(1!q.,I,-,/*Q10II>11Tf>1!11'i'll"N'fVII1II0IIn01.l.,f\,,'?0".,I'IfII,)>Ir00II'.I)",*,\.('1H'0"0lIn00III'l.r..,"flnI'.'",V,,0IIIIIIII,I.J;;flfIIII,4,<'1fIIII0II,>II0(,,fl.l>P*lII.I,n.....'1"000"III)7?1.HI",>,I'"'.-'1f"IIIII)??.??A.I'"S<;.(I0I"'.1\',00II,)0II*I.,..1-,n0n".".0II?0-III?",.,.t...".I0".",,,,.III7100000""'.f'",,.?I.....,.,.nII??III00"***1".u....I.IIII*IInIIII-')or>'0,,W'.lIII0II0IuuI0,".'-IfVI,'*'Nn,,00n0II0,}.Q'l0--'.'),7n0II17].'-101.','\W,Iu0n0)\.1"0".1"I,.....(Al'-O.(.t"'In.V1-...JJfrAlII?l'""7.I'I'11I'""'l.'"TlllllIA?lInII"II4.1"10.111".0-1[",,-IV'lIf!...0,,""H"Ifl."l-<i"tf.v.tII1N'>IIrnTAlNUMkftJOF0'1<,'TJO'*",?nlnhl"lI""'"I.fl'fiR,f11f),ll./InJ-."HUlllIt".lrflllt'!/If(,IlfI'"-lrPIffr.ll/\Ill-"I'ofIf1-"'.flllllltill(fUI,,,,"'rcIll'l-IfWI11p'/\10-'J..,II'",,.,IIS*rIn*.,....,11"Uvflw",1<,"11,.,-,004'Ifl.lfvfl"-10FwfIIIHYOJ'TUIl,lli10""-.IU,I.If,.tlf',ryOI--.TI1I*oulll",g;If"u,fllH"'l(V'NNljl4Dfl-JOff)((lIP4fNff<:'1HI>,IIIHf.CNNIl",t:"J-0'Itr[nlJ/..,,',,<.10trJl4"I'ojf1l/PPF:UflA<'SIfillt'VAl<;0'"""'11,>I-'£fll("'Pt'll*fl"*IIL"<'\l'lIP-"A.....,,'-If.oll.....'f'l,"l"III'c:::§fllkf(rIOIiI)*<,/"qI'II.11r11ffl*1.-1rqIq..J(llllhI*,/.."I"II'1111,1/11'I"tCIlNf**0,.".H';J<,1"'1'"II."""".11f-'Z't'f??,;>'.,J".'11,I:J.,.)\0Hf'irI0I.t'*'1".,'"\0,"..,".',1-...J\0"IIt."""..,h.,",'--.J'"0I**tll".?'.'.11,I0,.<InI,I-I'.'1"0")I".'-;>".I,,?f-',.?III1.1",.,*I--.,,,"'",,I11l.t1II",I',,0'0?It.I'II/wr,\IfI'10)nI.1I'*I",'.'".I-/,co1."1,.",,,",.?0",1.",,II'0?".1'I?nI'1.11".ffAIt<-n.f'"MIldAl,..,"I"I.,'.*1111AlIII1.'1/I"/'"'n'.'",'""'11""'P'l-fOflfl....,.r,01'4<;""'lr"'*'ll111'0'11,II'",",f......1IHI.'"nt"'*l"illloll-lfP"'Qt1'*fHVA'IO"'c.,//0II"A,I,'"1"1fl'Vlill'l"',/"n 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TABLE2.3-108AWINDFREQUENCYDISTRIBUTIONSSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.Sm1l'tERHUCLEAl{STATION61.5METERLEVEL:OCTOBER,1975IvwI00o"...afC/Of[16-1)0*...1--,'Flo"':"'-P'PSat...f1£...Lfvfl_IH1ftlfIJllfN(YliPTj.lI,*uI10""'"NlI0-4f*HOfOf<'1rrlNUlIPPf'"Cl"IS.,Oft'INfl,)Pfrnllod'>"'1...r**,IIIHIell01'1I).'ih,AqInII>11'nUL<;Pfr'l"f"'F*000002?").1<;,000I00I00?1.7",*r000n000n0I71'\r000n000n0no.rc.,000000nu00O."00000nnn000O.S'.000I00u"00I,."n,00n0n0p00nO.00nInu00n1.41\"00000000o..,.000n0n00o.0I0n00n0?Irf00nnUnnno.Inn00n0I.1\tl....\110000n00o.nn0n0nnn.(AI..o.TnT",-....;.>1"Il!'"'t-t0'ivHIn(,...srk""TION"iTillAt,..IJI-lIHvorOl-j<:..fPI/.fin*'....,..p'C:IIlJlll..c.lfl-JUo.(n-(/lIltTA-TrUltflJII*10-"'\...ru..l..,,'"'1.(,tfYflpac;oUlLl'h"ItPO'"Hf/OfllA-TI0-'"I...,Tf,'(;wi"l1l5..""1.")lMlFIf.-IfvILr....(lI\1fl'f(roI'II""ulInt.IP'fOllt"l(""I1I1.4/'f'"OfOCfllHl-IfN(('-"*TI'll!Ill--'Pffl')Ifl-IVat...Ur'lPffII1'fA'11'1\01'ell0"-1I*,,,"qInII>11TnT",,,'00*0*,'").lS*0*"n?H.45to,tnn0uI,q.?fl00nuIIrlf><10000**0O."n0nIn0*nn0I"."0n0*000np0*n.,n0nn00n00n0n.,,.0000*nn000*".,.nn0n00*0nn0n.000*n00n00*n.n00n0000n0nn..,."*0n*00*rno.*0n0000000n.....00nun0n0nnn.."0*0,"nn,....I,S(AI101n.")1,\'"1'1,11-'"1,...-t....'IfI"iv.llI',uc:.r....".llflNC\"1fAl....\I..f."Uor/l**"r"'11,,1If'"<',lllllll.".HkllMI-ff/lJUTA-l("'Ipule.If/-II....f1(.,,-,..1"d.C,lfv[Lw'ilfIllift--.l('Y01l'""'0fuf/llIf"<Cf11--11110"tfP'11mN(YINNU""fH..Ofoc(liHUENrre...1IfPI(11U+-,ev'"Nu'n'.o*orc:p,hJfl'rt....,_INfIt11o'PfWn*e;...PHf<;Uf..(Nfl<;VfrII,"P'H...f.,,'_1"'11n'...UkV.I....Vf.'11\1"'I->ffll1...I'ltl"ft',I)IPfCTlnNI)*h1A"InII>IITI'lll(.I->f'n/'IIH(,JONI,*,I""In11*11IPT.\',I'f"1?;I"".IIA.'I.',?I11.'-,'1t"0?"1.1'\0?OI(I..'GJ0*'.11t"1I1.4.;>;>d.0n'.1',0f.....llr.nt"0n.1<"I"n<.,...qH::s:'>100***.f'>n"'.14tTl'"0I,.,.e"I...',II-'Z,00,.n,n\'.'<"COHInc,.n'""-..n<.,.'1'CO,.00'..",.I"."--JCO.,.00n.0I1.:>1--J000,n'.<.1In00,n,.....'..'00I'.p,n'"'."'1I-'n,r.n;>,'"'."0n".,I.")ll1lMn.,ill",IlitAl.'.'.1"IIlIAI"""It1/N",,.'"l'l.,<l"'0"'(1-0'I.'IInIl/:lUV.fI1'011"'/<I'IN....III*\I"I(,Ne...T(I'AlMIMPtl-forOft"fly'ttO.'*TIIT"t'IlI"'!'II,'"IIH'.111...1\Tlllh" TABLE2.3-108B¥INJLJREQUENS;'LPIS()NSSOUTHCAROLINAELECTRIC&GASCO.VIRGILC*..-s:i;;\Tl()N-75-'.,..1-1..."fII'fll.4<.,rlJvs.T'(HIC,I'tllt.lOf1.,Pf,<:.flUlLl.F.IrkUt-tIlff/()£1'A-ffI-IFul_In-f-)"'1H.,e:"pm..,",.,I.S...(TEoJUvfI.,"11"1IJrr,10.'UI?o",IIIn.,,,,,QIn.I->oIn11.1')Q11.1.',I.....'*'"',?'I"11.'-"1I"1?...?1(\.",(114,I",,."I4.'"1,.'.0*I'**,,,oIoIoIoooooooo?o""NOfllfnU(N(Y,FP'UI/ffl(rINOf,u-"rl-fln,,'"1"H'-VAl'"Ur.1'1iPfffl!WPHI,Iib1Aq)n11>IIoooooI'ooo"oooooor""_'ttllflIRt("U"fPJ"'fJUIU'..IfH(/OEl'&*T10-1-'...fIfl.)'\WIM!,t;AI"I.',...tE"Lf\IfL"'It,fjrpfl1l1f"IeyOle;;HllhUfJO'1(rPfOUfN(l'NNIJ"f.lf14ornrrwwft1crc::I..It'll"l-prp(lJ"lff>.JVA,<-0'wItin')I-'fflllo.lDHI"f,,,.tlfl-'(t'J{1f-I).,,,RQ10II>11ll"al(pr,-"'I"-'f00II?I',.IL.l;:t"0I0I7I'1.IfI.<"c..".00I0ll*q.'II0I0l0I'i.r.,t0000I7Ilp*.r...."0000III1114.S'l00000));lCi.",f,00IIl,1).1')"".00??,II11.1-;),.000IIl???10.1,0000II'I"II.AQIZI0I10I"q....n*000I0*....7'II0007./'11tv"l'*w*0I00*c>...:tW*0?010'.f'lIo.t-"fAI0:>T'Ill\tI"10I'I?""nQIv.""qt-"...ll1*.....l..IIrINv'lln....,...v..Till,.,.""loULNIJ".....f'"'OF('tl--,I-'V'",.."'A<:I/IIIU-hOIIfhI}'"/'If(/HITA-t10*"'1lI'Tf'<II""I....lotlEIf\'tl.1"0F.J"lItIf(Ynl"hll...IJ1ln'.IfPfI1IH....(Y1"...."...Plf11OfrUfiJ.lf"Cf"ItoJ,..,oifPPf...Cl!\C,c,luffH¥III<.,f1'"INIlrII(loop,"!,vf",,,....,(flu"").,I,,H,",.'II11111'-.PFF0M,.'"C:::ZCIlt:J"I'1.41f'.f,0ft**104£Qq."'II-'Zff.?J"\0>-3"1".c.*l\0"i'.'"'.'"--...1\0,"'.1'--...I".1,...,11I,.I'<J.qq0,,",.'L'I-'Q'.1l,,..1'11.....'"'"*,'J,"'l,"h.'(AI1'<1.10tolAII'I'""II1i'41.1'I'<IJ....f<f.h'",NVl,IIIR(,f"VAtI(IN....1/11f.'I"'ltff,0'oH',f>>y"TIliN'",..Fat..oltlllI\ll(""-(0""IIfrlllllTa-l(1-<I1i"'lf-1'1_'1-'."-."I....titltVtl..I"1lJ>>f'{*ItFf.(yIIJ'-IqIf"\"1,1>'f'e.,,..u"'n,'"'01f)(flttH'ft('-"I",I'll,"PPI'"'."."1",1'r;"'If"tllffIIf"P'"I*I".-Irll"*'I.,,*,Q'"II,1111.111If*t1,."11.,",..Ih...1,?"..-'..'"I?\1"."."1>.'1',,",I1;'?Il.ll";,Ill,I",-.,."."1111.'."-,'I'*110.o*"q.','I""....'.,.'-,'1."",,,,....'"1,,111\Ii-'"'.'11)',J\',t,1,1,,"",".",....,",,'I'r..,r'l'"VII'Ii"'....101Al,,,11""1",,'n"11-<"'1\1Ip*.,.. TABLE2.3-109AWINDFREQUENCYDISTRIBUTIONSSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUI1HE.RriUCL'EAR-STATION61.5METERLEVEL:NOVEMBER,1975";("1",111"1<r'IHAl.,I""'...ornl-t__1'>0P.<:IHIIU.If,,_HUn......r(/II(I'I-1rRfTlI-l)A10-11....rtf10'11\1...At....,.,"'I'ItLEvflwp,of"(lllJ£N(y1l1>..,'Ull..\If10'"IfDr01,1'fINtH)....Poror(I,wfJPICf'I111'I'rlJerlf'-<lllTfuVllC,Of)oltf;lJftn'",.,,'"IflII*II'I"AII...o.n.n1.,'-,o*n.o.n."",/,1,l..,.,"n.\.11l,ll'O.'I.00000000000"0000000I000000000000n000000000000U0"n0U000000nI0000n000000'I0000".,.""',1f'f."f"'"1'1f1\1....INilIIIUtC110'"IP'PUILL...Iff-ll}1olA(f/OfllA-tTfPr.I1l'fIfP<:."P1U5..t-I.e,I-lflf...UvflwHOftJf'llJr*I(YOJ'.11-11.'IONffUflll1JNCYu01O((IlI-IJHNCfc,1hIl'jfllll-lp£1JflI"lHUVAIC;Uf"1"<11,,>PffflI"'PH)....r'..I).,,"q10"."t('1Al(:Pfrr,'-INt"0000*00O."000000000O.ft,[U000000000O.,U"00000000O.."00000U0000O."000000000*O.S'f0000U0000O.000000000O.5"000000000O.,.0000U0000O..,."I00000000I1.11"I00000000II...:0Q000000000O.00000U00000O.0000000n000O.f'00000000o.rAIfl(o.iolAtI."'"or11-j'Ot,llJf'l*.c;ruYAT1r,t-.,<;0lotAt"'u",P'l.IOf"'Yi'to*,1.,,?owIOJNr',"'/-if...ofI"""'\If)rll".f"\1a1!f'N"Illl/lIOffH4<.JU'JAII{1"'.fe'l'P1o..:nUIU..elfP"'-U'"1\'(111'111-l(klll...I'10-""'fH-<'Ifl'II...A',..I*<.,*fTtI.f'wtllo"'.nI'"t'1111'11'r'11'1...,,'*lIfIn...IF...I'IHHt-(yIf,"-'J'If'II,prfll(l!.......III_fl.tfl-l\l'"'\f(1/lt:l1l\-1'....'lil'll.1"-',.',"_I".1,.,.,hi...."IH*'lflitl",p.j)F'I-It'-\IfHrl'111'-TU1',11TIIf..r1'1/1'leyI'H,.....",OfCl',..f,"f....I4I,."IlI'flll<'"l*jff..vJ\l,"....1....1'"ff"j"PliIj-I.,I'llll1""I..,I"">111'"111<vIII'1'"'.1..','to"",,.,,H.fI'.,In'.'.',f'.,f,.",,)"I"4.",""*1\f*..."I'I?*""....I.10.'.',,.I'"'.1"",11'.1'-"".',"".1"."\,.II."I,e",".I.,fflj,.,,",'?'II'*II,-'..""f'."'./1-"-1"."I"n-/'I",*-.a'_l_v*IIIIInl401""'Il-j'"q.I*.lllV""I"".1,'1,"f>11lJdl.-l"pr,n0"".0001.0'10o*0o.IIfI.,'.0".""0"."lIII.\.,110'.....',0**"n0".0l.n(,0\,'1II.......0I,'\"."n,t,.I'"Ioooo)oooooooooIoonUoIoIooflAC....1'111"'0'11,<..III,oJ...,""'ffllI....4"'f1II'..",l'J11(4'1CliO'I55g:jf-'l8::tTjf--'Z\Df-'l\0---J\D---JIof--' 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TABLE2.1I10,\IIISII{ll\lITISOUTIICAIIOLINAELECliIICD(;1\;;C()..._--_..Vll{GlLC.SUt-INEI{NUCLEI\I{STATiON6rslTEH:kLEVEL:DECEMBER,197:>.A.fff.J(JM"fr/O(1Ta-lrRITfI.<I.10-f.1I*ftf....<:."'1....11')AT1>1..')TfylfyflPj<.(ltlllluujff.to,,",AfC/Oftl&-TrJ-ltJJ.<lr10-1,1"Ill.)'_1*'<1<;AT'"'I:H'-If....fl..'"'IlftICYIII<."4t"IlllUI'fwnJ(TNtJMf-<'-O'Ofrllt-ikfNlf<.,)"INljqpPFU(LAc:....f"llH"VAl"Of..IN""-PIfIi,ftI"'>lI*,,fkQIn"%fn000n*"0f"lf**n0f0*n0I",t00n*"00"0nnn0,0""0,,-000,-nn0.<.n*000IIlito,.*0',.n0n000,"P,f)fl.l(f1I1FIi(l'IJl**lRJI-l\ltlr;t*ItI"HI04llfl-fOfO(f'UHW'Nf,f....',jvPfUft...<.,o;Pll'J.JVJl'....flF...."rf'*!,'lfHi!"fa-,j4...flQII'II>II'tii/ll*f'.l',tvTllllo.t........kIlfIN....tlltvaTTilT'."'tiM"Of().-t...,PVA'I(I.....,..,.f*'11TflTlI1....Pfrq00r.00".0no.nnn.00n.n0n.0"n.00n.n0".00n.n""000nonI7.1)'"00n.00n.00nono?'r,.1NIJIIJtf"III'.I""',""Sif'"....,..raj'"It'....f.v'If.,t\lfdI",...<:,r....t,1/,,,,<,,10t4.*1"....flf'..n.u.noO.'I.".".I.""",'.0,n*n.'I.n.".oo*".'".1P,uttrIf)"-Ir>,qJUlll.(.ltJ.<ft..1If{/pf!TA-Trf-IIJfl.tltIn*,If-'"IHie;"1,.,.....l'*1fvtlIt,."r..tI"IF'ICYIll"1'*01JOr,(fPfPUfN(YIf.fNtl'WPIOfor(IlI.4Pfl'/(f<'1l/l.Jprpfl"<;'C;OF....vffll...P....,"Fa"J6to1<.I111II)II1111"I*PII*n.O.n.o.II.**0"001.11,....11'1U0".."I'.'""""*IlUIll.11.,fHl"IIf.f/t'll'A-T!fi-II'OfII.",....1\T..'t11"tfvtl!(lI"1"'I,,,,°I\J".'fl--(If4VA\tn'Ol/J'",'l...I-IFuor"'.'Iuo, 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• ,,?II'?..,')-.J?l1lI,I,,,,o))II1,*'\"*)l*11s,*72*II,Io11oIl<lPPfUfl"O;:'il"iff"''....uF....l-'tfOIwPt-IJ,."ih1k..I(I117l,))7II)77IoIInp..A*0f(,qf<"StQ,(I')It-{,W\III(Jo"'1"10Ct)0'"IfflfAI.,'0,.,.,",I,"',1'1A.;<'.fA,"C1',4,IH'""',1111,1.1'ofINV_lln..alllJN510.u"'AfRor()t...*,....AlIO","1I1I"',..1k.,tPIVI\!I"",,','"VI'111'1Idl"'l1lI1'11111'IIIVIIII

2.3-188Reformatted PerAmendment 02-01TABLE 2.3-112MINIMUM DISTANCE FROM THE REACTOR CONTAINMENT STRUCTURETO THE EXCLUSION ZONE BOUNDARYDirectionFrom PlantMinimum Distance(Meters)N1609 *NNE1639NE1639ENE1639E1639ESE1639SE1639SSE1651S1651SSW1687SW1759WSW1820W1820WNW1808NW1747NNW1663

• Minimum Exclusion Distance

2.3-193 Reformatted July 2014 TABLE 2.3-121 ARCON96 INPUT Meterological Input Lower measurement height 10 meters Upper measurement height 61 meters Wind speed units meters/second Source Input Release Type ground level Building Area 1740 m2 Vertical Velocity 0 Stack Flow 0 Stack Radius 0 RN 12-034 2.3-194 Reformatted July 2014 TABLE 2.3-122 RELEASE POINT AND RECEPTOR LOCATION INPUT Release Point Release Height (Height - 436') m Direction from Intake to Release Straight-line Horizontal Distance (m) Intake 'A' Intake 'B' Intake 'A' Intake 'B' Main Plant Vent 524'-3" (26.9 m) 38° 42° 89.0 86.9 Purge Exhaust 524'-0" (26.8 m) 38° 42° 87.5 86.3 MS POR 'A' 504'-0" (20.7 m) 64° 59° 64.0 63.1 MS SR's 'A' 495'-0" (B, C, D, E) (18.0 m) 503'-0" (A) (20.4 m) 57° 64° 60.0 60.0 MS POR 'B' 470'-0" (10.4 m) 72° 78° 80.8 82.0 MS SR's 'B' 495'-0" (18.0 m) 71° 76° 75.6 78.0 MS POR 'C' 470'-0" (10.4 m) 69° 73° 105.8 105.8 MS SR's 'C' 495'-0" (18.0 m) 73° 76° 104.5 103.6 Pressure Relief Area 463'-0" (8.2 m) 73° 78° 67.4 69.5 RB Nearest Point 0 63° 57° 61.0 61.0 RWST Overflow 468'-0" (9.8 m) 22° 18° 51.9 55.7 Plant north aligns with true north. RN 12-034 2.3-195 Reformatted July 2014 TABLE 2.3-123 CONTROL ROOM DIFFUSION VALUES Release Point Time Control Room Location Release Point Control Room Location Intake 'A' Intake 'B' Intake 'A' Intake 'B' /Q (sec/m3) /Q (sec/m3) RB Nearest Point MS POR 'B' 0-2 hr 1.39E-03 1.30E-03 8.69E-04 8.31E-04 2-8 hr 1.17E-03 1.09E-03 7.16E-04 6.89E-04 8-24 hr 5.70E-04 5.27E-04 3.44E-04 3.23E-04 1-4 d 4.17E-04 3.90E-04 2.49E-04 2.33E-04 4-30 d 3.00E-04 2.82E-04 1.84E-04 1.69E-04 Main Plant Vent MS SR 'B' 0-2 hr 7.11E-04 7.43E-04 9.61E-04 9.29E-04 2-8 hr 5.05E-04 5.41E-04 7.64E-04 7.08E-04 8-24 hr 2.51E-04 2.75E-04 3.67E-04 3.39E-04 1-4 d 2.04E-04 2.16E-04 2.65E-04 2.44E-04 4-30 d 1.39E-04 1.49E-04 1.98E-04 1.79E-04 Purge Exhaust MS POR 'C' 0-2 hr 7.23E-04 7.57E-04 5.18E-04 5.10E-04 2-8 hr 5.24E-04 5.47E-04 4.37E-04 4.34E-04 8-24 hr 2.59E-04 2.78E-04 2.09E-04 2.05E-04 1-4 d 2.13E-04 2.19E-04 1.51E-04 1.49E-04 4-30 d 1.44E-04 1.51E-04 1.11E-04 1.08E-04 IB Pressure Relief Area MS SR 'C' 0-2 hr 1.22E-03 1.12E-03 5.36E-04 5.44E-04 2-8 hr 1.01E-03 9.16E-04 4.10E-04 4.18E-04 8-24 hr 4.79E-04 4.32E-04 1.99E-04 2.00E-04 1-4 d 3.48E-04 3.12E-04 1.44E-04 1.44E-04 4-30 d 2.53E-04 2.24E-04 1.06E-04 1.06E-04 MS SR 'A' (Reliefs B, C, D, E) MS POR 'A' 0-2 hr 1.50E-03 1.51E-03 1.34E-03 1.37E-03 2-8 hr 1.15E-03 1.17E-03 1.01E-03 1.03E-03 8-24 hr 5.64E-04 5.75E-04 4.97E-04 5.07E-04 1-4 d 4.23E-04 4.18E-04 3.64E-04 3.77E-04 4-30 d 3.03E-04 3.10E-04 2.69E-04 2.72E-04 MS SR 'A' (A Relief only) RWST 0-2 hr 1.50E-03 1.51E-03 1.96E-03 1.64E-03 2-8 hr 1.12E-03 1.15E-03 1.45E-03 1.18E-03 8-24 hr 5.51E-04 5.67E-04 7.02E-04 5.61E-04 1-4 d 4.15E-04 4.13E-04 5.39E-04 4.19E-04 4-30 d 2.97E-04 3.02E-04 3.73E-04 2.95E-04 RN 12-034 100MILU°50cn°..........50(JTALLAHASSEEIPLOt"lllOlADGaO010GCHAALESTON!II***:".__SIO--t.---_f-+-....."'1*********0********.....********0..:N__..****.W**1M**\CHATTANTGAGREEt{VILL-SPARTAN..\.,,,,,,..****'.*SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONKIV:*INDICATE'METEOllOL08lCAL*STATIONSIlEFEIlENCE:THEIA.I'OllTHISMA'WASPIlE'AltED'"OMA'OltTIGN0'THEU*******-.'IlWALL'LANNI"CHART,lAST*WEST,1"7.-MeteorologicalDataSourcesFigure2.3-1

• • • • • • • 12II10Cf)\1\zr"I"09Ia::8UJ\Cf)Ia::2I'0>-7..Jr"Ia::'\.06:J:1\,f'I)I.1\rt'l1\5UJ,>r--.""1'"",I"'"4-"-uUJ'"'\..."""Cf)r'\z""I03ur\1\1\U......2'-ALLWINOSI'...""(INCL.CALM)II!"It'I-t--CALMIlltiliitl011111111111111110.010.10.20.5I251020304050607080FREOUENCYlPERCENT)*MeterspersecondSOUTHCAROLINAELECTRIC&GASCO.Data:3D-FootWindsfor1965-69VIRGILC.SUMMERNUCLEARSTATIONforColumbiaAirportFrequencyofOne-Sector(22.5°)DataSource:2.3.2-KPersistence-ColumbiaFigure2.3-2 21\!!\(f)...z180l-I<r>0::loU15(f)"Ico0>-f\I,...J0::12:::::>\0:::t:\Ii+'Irt'li\loU,,>91\1\-\I-:::::>u"\loU(f)"-..-z601\u.......r-.............r--..I'or-....3"""""'to-IALLWINDS.....(INCL.CAlM).....CALMS00.010.10.20.5I251020304050607080FREQUENCY(PERCENT)*MeterspersecondSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONData:3D-FootWindsfor1965-69forColumbiaAirportDataSource:2.3.2-KFrequencyofThree-Sector(67.5°)Persistence-ColumbiaFigure2.3-3 iDetailedTopographicFeaturesto5MilesNFigure2.3-4SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONI23*0IIIi:SCALEINMILES*P******

SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATION*******No10201iI"**-'*.-.-SCALEINMILESGeneralTopographicFeaturesto50MilesFigure2.3-530! NsSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONDilutionFactors-LongTerm(x10-7Seconds/Meter3)oto5MilesFigure2.3-7

• • • ..****NsSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTAnONDilutionFactors*LongTerm(x10-8Seconds/Meter3)oto50MilesFigure2.3-8

2.4-48 Reformatted Per Amendment 02-01 TABLE 2.4-1 Page 1 of 4 RESERVOIRS LOCATED IN THE BROAD RIVER BASIN Plant Name Owner Lake Lure Town of Lake Lure Tuxedo Duke Power Co. Turner Duke Power Co. Cliffside Cone Mill Corp. Shelby Lily Mills Co. Gaston Shoals Duke Power Co. River Broad (1) Green Green Second Broad First Broad Broad (1) River mile 161 42 23 2 4 110 Drainage area, sq. mi. 95 42 126 211 285 1,250 Mean flow, cfs. 170 90 280 295 380 2,030 Spillway design, cfs. - 6,300 34,000 - - - Elevations, feet, msl Top of dam - 2,020.8 922.6 - - 613.4 Max. water surface - 2,017.4 918.6 - - 614.2 Top of gates 991 - - 702 660 605.4 Crest of spillway - 2,012,6 911.6 698 658 599.4 Max. power pool 991 2,012.6 911.6 702 660 605.4 Min. power pool 975 2,005.6 908.6 698 660 600.4 Normal tailwater 887 1,717.1 825.9 672 635 558.6 Min. tailwater 883 1,715.3 822.8 672 635 553.4 Reservoir Max. power pool, acre-ft - 10,204 11,927 - - - Min. power pool, acre-ft - 8,069 10,657 - - - Usable for power, acre-ft 13,500 2,135 1,270 Pondage - 1,150 Max. area, acres 900 324 438 - - 251 Heads, feet Gross static 108 297.3 88.8 30 25 52.0 Net effective 100 285.5 83.2 28 25 46.5 Min. net 84 278.5 80.2 26 25 41.5 Power Plant Installed capacity, kw 3,600 5,000 5,500 1,625 600 9,140 Auxiliary capacity, kw 0 0 0 0 0 125 Min. head capacity, kw 3,000 5,900 5,600 1,300 600 7,200 Avg. ann. generation, mwh 10,000 21,300 14,600 2,900 1,800 30,100 Construction dates 1927 1920 1925 1933 1900 1908 (1) River mileage in the Broad River is measured upstream from its point of confluence with the Saluda River. 2.4-49 Reformatted Per Amendment 02-01 TABLE 2.4-1 (Continued) Page 2 of 4

Plant Name Owner Cherokee Falls Burlington Industries 99 Islands Duke Power Co. Spartanburg Comm. of Pub. Wks. Clifton No. 3 Dan River Mills Clifton No.1 Dan River Mills Clifton No. 2 Dan River Mills River Broad (1) Broad (1) South Pacolet Pacolet Pacolet Pacolet River mile 102 91 2 33 32 31 Drainage area, sq. mi. 1,500 1,500 93 318 319 320 Mean flow, cfs. 2,350 2,400 150 440 440 440 Spillway design, cfs. - - - - - - Elevations, feet, msl Top of dam - 523.6 - - - - Max. water surface - 524.6 - - - - Top of gates 543 511.1 778 626 - 575 Crest of spillway 539 509.1 773 621 597 572 Max. power pool 543 511.1 778 625 597 575 Min. power pool 541 506.1 761 620 592 571 Normal tailwater 524 442.9 722 598 576 558 Min. tailwater 523 437.4 720 597 575 557 Reservoir Max. power pool, acre-ft - - 4,462 - - - Min. power pool, acre-ft - - 1,074 - - - Usable for power, acre-ft Pondage 4,127 Pondage Pondage Pondage Pondage Max. area, acres - 885 1,914 - - - Heads, feet Gross static 20 73.7 58 28 22 18 Net effective 19 67.9 56 27 21 17 Min. net 17 62.9 39 22 16 13 Power Plant Installed capacity, kw 1,750 18,000 1,000 1,100 800 532 Auxiliary capacity, kw 0 250 0 0 0 0 Min. head capability, kw - 16,300 1,000 1,000 500 500 Avg. ann. generation, mwh 5,000 65,600 4,000 2,800 3,000 2,100 Construction date 1955 1910 1925 1903 1929 1888 (1) River mileage in the Broad River is measured upstream from its point of confluence with the Saluda River. 2.4-50 Reformatted Per Amendment 02-01 TABLE 2.4-1 (Continued) Page 3 of 4 Plant Name Owner Pacolet Pacolet Mfg. Co. Lockhart Lockhart Power Co. Neal Shoals SCE&G Co. Print Crash Startex Mills Parr (2) SCE&G Co. Columbia SCE&G Co. River Pacolet Broad (1) Broad (1) Middle Tyger Broad (1) Broad (1) River mile 23 72 60 10 28 2 Drainage area, sq. mi. 460 2,600 2,730 72 4,750 5,230 Mean flow, cfs. 620 3,640 3,800 95 5,600 6,300 Spillway design, cfs. - - - - - - Elevations, feet, msl Top of dam - 410 340.8 - 272.2 171.0 Max. water surface - - - - - - Top of gates 524 - 334.1 755 - Crest of spillway 521 400 330.8 753 257.2 153.8 Max. power pool 524 396 334 755 266.0 153.8 Min. power pool 518 390 331 749 256.0 148.8 Normal tailwater 498 344 310 701 223.0 119.3 Min. tailwater 497 343 308 701 223.0 118 Reservoir Max. power pool, acre-ft - - - - - - Min. power pool, acre-ft - - - - - - Usable for power, acre-ft Pondage Pondage Pondage Pondage Pondage Pondage Max. area, acres - 300 600 - 2,925 265 Heads, feet Gross static 27 53 26 54 35.0 36.0 Net effective 26 52 24 54 33.0 32.0 Min. net 20 46 21 48 31.0 27.0 Power Plant Installed capacity, kw 800 12,300 5,200 1,200 14,880 10,600 Auxiliary capacity, kw 0 0 0 0 0 0 Min. head capability, kw 600 13,000 0 1,000 13,000 7,000 Avg. ann. generation, mwh 2,700 70,000 30,000 2,300 75,000 50,500 Construction date 1937 1920 1905 1895 1914 1928 (1) River mileage in the Broad River is measured upstream from its point of confluence with the Saluda River. (2) Prior to installation of the spillway crest gates 2.4-51 Reformatted Per Amendment 02-01 TABLE 2.4-1 (Continued) Page 4 of 4 Plant Name Owner Green River EPIC, Inc. River Pulliam Cr. (Upper) Green River (Lower) River mile - Drainage area, sq. mi. 105 (2.0 upper reservoir + 103.0 lower reservoir) Mean flow, cfs. Spillway design, cfs. 70,000 Elevations, feet, msl Top of dam 2130 upper 1160 lower Max. water surface 2120 upper 1134 lower Top of gates 1150 lower Crest of spillway 2120 upper Max. power pool 2120 upper 1134 lower Min. power pool 1950 upper 1100 lower Normal tailwater - Min. tailwater - Reservoir (Upper) Max. power pool, acre-ft 43,500 upper 83,000 lower Min. power pool, acre-ft 3,500 upper 43,000 lower Usable for power, acre-ft 40,000 upper 40,000 lower Max. area, acres 467 upper 934 lower Heads, feet Maximum net head 990 Normal net head 920 Power Plant Installed capacity, kw 2,000,000 (ultimate) Auxiliary capacity, kw - Min. head capability, kw - Avg. ann. generation, mwh - Construction date - 2.4-52AMENDMENT 97-01AUGUST 1997TABLE 2.4-2SIGNIFICANT DOWNSTREAM SURFACE WATER USERSWater UserLocationAverage Daily Use (MGD)Source of Supply1.City of Columbia, S. C.Richland County, S. C.23.0Broad River2.Carolina Eastman Co.Calhoun County, S. C.15.8Congaree River3.Georgia PacificBerkeley County, S. C.0.1Lake Moultrie4.Santee Wool Combing Co.Berkeley County, S. C. 0.366Santee River5.City of Charleston, S. C.Berkeley County, S. C.1.5Back River Reservoir6.Verona Div. Baychem Corp.Berkeley County, S. C.(1)Back River Reservoir7.The Dupoint Co.Berkeley County, S. C.(1)Back River Reservoir8.S. C. Electric & Gas Co.Berkeley County, S. C.(1)Back River Reservoir9.Amoco (Future Plant)Berkeley County, S. C.(1)Back River Reservoir10.Unknown UserGeorgetown County, S. C.(1)N. Santee River__________________(1) Note: Average daily use not specified for new, future, and unknown users. 2.4-53AMENDMENT 97-01AUGUST 1997TABLE 2.4-3MAJOR HISTORICAL FLOODS AND AVERAGE FLOW ON THE BROAD RIVERObserved at Richtex Gaging StationEstimated at Parr DamDatePeak Discharge(cfs)Water Elevation (Feet,msl)Peak Discharge(cfs)Water Elevation (Feet,msl)October 3, 1929228,000215.54214,000266.0August 17, 1928222,000214.94208,000265.8April 8, 1936157,000209.80147,000264.0August 16, 1940120,000205.92113,000262.9October 18, 1964102,000204.0996,000262.3Average Flow6,000185.205,600257.8 2.4-54AMENDMENT 97-01AUGUST 1997TABLE 2.4-4PROBABLE MAXIMUM PRECIPITATION(Inches)TIME IN HOURSSource612244872HMR No. 3311.314.315.919.4CEB No. 52-811.2 (1)13.6 (1)16.0 (1)19.8 (1)21.4 (1)1.4 x 1916 Storm5.510.315.218.819.3_______________(1) These values are twice those contained in this source 2.4-55AMENDMENT 97-01AUGUST 1997TABLE 2.4-5DISTRIBUTION SEQUENCE FOR 6HOUR POINT PROBABLE MAXIMUMPRECIPITATIONHourPercentAmount (inches)1102.982123.583154.4743811.345144.186113.28Total29.83 inches 2.4-56Reformatted PerAmendment 02-01TABLE 2.4-6DAMS ON THE BROAD RIVER BETWEEN CLINCHFIELD AND PARR DAMName of DamApproximateStream DistanceUpstream of Site(Miles)MaximumLength(Feet)MaximumHeight(Feet)PeakDischarge atFailure Plane(cfs)Gaston Shoals801542601,204,000Cherokee Falls701500 (1)20225,00099 Islands601567942,399,000Lockhart40103525217,000Neal Shoals30108733 (2)346,000 (1)Assumed Value(2)Distance from top of dam to minimum tailwater. 2.4-57Reformatted PerAmendment 02-01TABLE 2.4-7Page 1 of 4REPORTED MUNICIPAL, INDUSTRIAL, AND DOMESTIC WELLS WITHIN 2 - 20 MILES OF SITE *Well LocationOwnerSourceDescriptionAverage Yield(MGD)Remarks#1City of Carlisle3 wells#2Big Boy Truck Stop1 well#3Rocky Creek Point1 well0.004#4City of Ridgeway3 wells0.080#5City of Jenkinsville3 wells0.100#6Mid County Water District2 wells0.002#7Nylene Corp.4 wells0.072#8Arrowood S/D **2 wells0.016#9Royal Hills S/D **2 wells0.040#10McCrorey Liston2 wells#11Richard Winn Acad.1 well#12Greenbrier1 well#13Kelly Miller1 well#14J. H. Kennedys Store1 well#15Willinghams1 well#16Triangle Restaurant1 well#17Genes Cafe Groc.1 well#18City of Chapin3 wells0.022#19Woodlake Shores1 well0.004#20Lakewood Estate1 well#21Lakeland Shores2 wells0.008#22Blackgate Band1 well0.004#23Murry Lodge Estate2 wells0.003#24Stephenson Lake2 wells#25Indian Cove2 wells0.001*Information presented was obtained by interview with the persons and agencies listed in Section 2.4.17.**S/D - Subdivision 02-01 2.4-58Reformatted PerAmendment 02-01TABLE 2.4-7 (Continued)Page 2 of 4Well LocationOwnerSourceDescriptionAverage Yield(MGD)Remarks#26Dutchman Shores3 wells0.001#27Milmont Shores2 wells0.002#28Vanarsdale S/D**2 wells0.004#29Lesene Woods1 well#30Hallmark Shores2 wells0.014#31Arrowhead Shore2 wells0.015#32Laurel Meadows 2 wells0.004#33Selwood Shores1 well#34Tri City Trailer Pk.1 well0.002#35Hoods Trailer Pk.1 well#36Irmo Trailer Pk.1 well0.001#37Wates Trailer Pk.2 wells#38Hendrix Trailer Pk.1 well0.002#39Taylor Landing2 wells#40Taylors Landing1 well#41Jakes Boat Landing2 wells0.075#42Lake Murray TP2 wells#43Lindlers Trailer Pk.1 well#44Moore Mob. Ho. Pk.1 well0.011#45Weeds Mob. Ho. Pk.1 well#46Rikard Nursing3 wells#47Utopia School1 well#48Watergate Conds.1 well0.064#49Cemitha Court2 wells0.029#50Dutchman Cove1 well**S/D - Subdivision 02-01 2.4-59Reformatted PerAmendment 02-01TABLE 2.4-7 (Continued)Page 3 of 4Well LocationOwnerSourceDescriptionAverage Yield(MGD)Remarks#51Cold Stream Country Club2 wells#52Prosperity, S. C.well field0.270#53Little Mountain, S. C.2 wells#54Old School Mfg.1 well0.005#55Kendall Co. Oakl.1 well0.080#56Hollands Landing2 wells#57Shealy Trailer Pk.2 wells0.001#58Brigmans1 well#59White Mob. Homes2 wells0.022#60Koon Trailer Pk.1 well#61Bill Werts Trailer Pk.1 well0.001#62Gateway TP3 wells#63Buddy Neel Pk.2 wells#64Bedenbough TP1 well#65Rikard Elem. School1 well#66Pomaria Elem.1 well#67Garmany School1 well#68Mid Carolina High1 well#69Boys Farm, Inc.1 well#70Summer Dr. Inn1 well#71Hilltop Dr. Inn1 well#72Bonners Snack Shop1 well#73Dowd Truck Stop1 well#74Newberry Inn1 well#75Sunset Dr. Inn1 well#76Hailes Truck Stop1 well 02-01 2.4-60Reformatted PerAmendment 02-01TABLE 2.4-7 (Continued)Page 4 of 4Well LocationOwnerSourceDescriptionAverage Yield(MGD)Remarks#77Mill Dera Apts.1 well#78Whitakers Lodge 2 wells#79Mollys Rock Rec.1 well#80Hollands 66 Marina1 well#81Holiday Acres1 well#82Dutch Village4 wells#83Ballentine Est.1 well0.008#84Lincolnshire8 wells0.629#85Crane Forest4 wells0.015#86Raintree Acres2 wells#87Tiffany Gardens2 wells#88Lowman Home6 wells#89Blythewood School2 wells#90Bethel1 well#91Wells Marina2 wells0.002#92Jones Steak House1 well#93Whales Tail1 well#94Jacks Tourist Court1 well#95South Carolina Electric & Gas1 well0.019Well 62' deep; 4"diameter Monitoredby S. C. Div. of Radiological Health#96South Carolina Electric & Gas1 well0.043Well 120' deep 6" diameter#97Winnsboro Granite Co.1 wellSupplies 2 homes#98Winnsboro Granite Co.1 wellSupplies finishing plant#99Winnsboro Granite Co.1 wellSupplies 5 homes#100Rion Crushed Stone (Martin Marietta)1 wellWell 100' deep 6" diameter Cased 20' 2.4-61Reformatted PerAmendment 02-01TABLE 2.4-8Page 1 of 4WELLS AND SPRINGS WITHIN 2 MILES OF SITEWater Level (Ft.)WellNo.Name of OwnerWellDepth (Ft.)DepthElev.CasingDepth (Ft.)Pump Type/Yield (GPM)Remarks1Bernice Brown-----Well2John Henry Ginyard-----Well3Clara Spencer-----Well4Alex Harper III-----Well for 2 houses5R. E. Harper, Sr.14169-40Jet/6Well * +6Wilbert Gladney-----Well7John Henry Stevenson-----Well8Bubba Crompton-----Well9Ellie Harper-----Well10Mae Francie Burns-----Well11Mary White-----Well12Olin Summers----SubmersibleWell13Andrew Wilson-----Well for 2 houses14Mae Richards-----Well15Henry Mills-----Well16Henry Johnson18530--JetWell for store &4 house trailers17Eddie Thompson18540398-SubmersibleWell

• 2.4-62Reformatted PerAmendment 02-01TABLE 2.4-8 (Continued)Page 2 of 4Water Level (Ft.)WellNo.Name of OwnerWellDepth (Ft.)DepthElev.CasingDepth (Ft.)Pump Type/Yield (GPM)Remarks18Nathan Harper16890-88Jet/7Well for 1 house &1 trailer *19Eddie Martin207---JetWell20James Thompson300+---JetWell21Carrie Lee Martin-----Well for 1 house &

1 trailer22Clement Brothers Cons. (1)----SubmersibleWell23Jenkinsville Water Co. Well No. 336560-56Submersible/50Well 6" diameter24W. Martin115---JetWell *25B. T. Martin10489-80+Jet/3Well for 2 homes

• 26B. T. Martin65---JetWell for store27Siles Eubanks75----Well for 3 houses28Whitehall Church-----Well *29Robert Martin23547399-JetWell for 2 houses (1)Use to be terminated upon operation of the plant.

2.4-63Reformatted PerAmendment 02-01TABLE 2.4-8 (Continued)Page 3 of 4Water Level (Ft.)WellNo.Name of OwnerWellDepth (Ft.)DepthElev.CasingDepth (Ft.)Pump Type/Yield (GPM)Remarks30Wendel Martin-----Well for 3 houses *31Nathan F. Rabb-----Well for 2 houses *32Whitehall School----JetWell*+33M. W. Hollins, Sr.7635--JetWell34Jenkinsville Water Co.Well No. 126560-85Submersible/19Well 6" diameter +35Mario Hollins-----Well36James Tuck Baten65----Well for store &1 house37Willie Mark Baten220---JetWell for 2 houses +38James Edwards----SubmersibleWell39Ruby Martin-----Well40Ella B. Martin-----Well for 2 houses +41Jenkinsville Water Co. Well No. 235542-86Submersible/30Well 6" diameter +42Celese Cook----SubmersibleWell for store & 1 house+43Eilean Baten6522417-JetWell 02-01 2.4-64Reformatted PerAmendment 02-01TABLE 2.4-8 (Continued)Page 4 of 4Water Level (Ft.)WellNo.Name of OwnerWellDepth (Ft.)DepthElev.CasingDepth (Ft.)Pump Type/Yield (GPM)Remarks44W. G. Heron120-345-JetWell currently notoperating *45------Spring Currently not used46------"47C. J. Shealy-----Well + *Dwellings connected with Jenkinsville Water Co. having operable wells not in use at present.+Wells for which S. C. Dept. of Health & Environmental Control, Div. of Radiological Health periodically 2.4-65Reformatted PerAmendment 02-01TABLE 2.4-9LABORATORY PERMEABILITY TEST DATA - MAJOR PLANT STRUCTURE AREAPermeabilitySoil DescriptionBoringDepth(Feet)(ft/day)(cm/sec)Micaceous fine sandy siltN-19654.8 x 10-41.7 x 10-7Micaceous silty fine to medium sandN-22404.0 x 10-21.4 x 10-5Micaceous silty fine to medium sand3-24013.6 x 10-24.8 x 10-5Silty fine to medium sand3-3601/217.0 x 10-26.0 x 10-5Sandy silty clay3-551/26.8 x 10-22.4 x 10-5Micaceous silty fine to medium sand3-9751/233.5 x 10-211.8 x 10-5Micaceous silty fine to medium sand3-173016.8 x 10-25.9 x 10-5 02-01 2.4-66AMENDMENT 97-01AUGUST 1997TABLE 2.4-10Sheet 1 of 2FIELD AND LABORATORY PERMEABILITY TEST DATA - SERVICE WATER POND AREAField PermeabilityLaboratory PermeabilityHorizonBoring NoDepth Range ofTests (ft.)AveragePermeability(cm/sec x 10-5)Boring No. andSample DepthConsolidationPressure (tsf)AveragePermeability(cm/sec x 10-5)Colluvium/SD-5b5.0-14.50.18SD- 5 (2')2.01.5ResidualSD-8b6.4-16.00.484.00.58SoilsED-45.5-10.01.1SD- 5 (6')2.00.16SS-34.0-7.00.62ED- 2 (12')2.00.48SaproliteND-78.0-15.02.3ND- 4 (10')0.00.37ND-134.0-27.00.70ED- 2 (27')2.04.127.0-30.07.63.91.730.0-33.0150.0*ND-11a14.0-15.529.0**19.0-25.56.4ND-2013.0-24.53.7ND-239.0-25.00.96ND-259.0-14.00.1814.0-29.02.2SD-64.2-8.20.3414.6-18.01.2ED-414.6-37.03.0SS-37.0-37.05.9DecomposedND-715.0-136.00.94ND- 4 (18')2.00.20RockND-94.0-20.00.55ND-14 (7')2.01.2ND-9a20.5-35.00.544.00.9835.0-45.01.80ND-14 (12')0.00.1645.0-70.00.46ND-2025.0-38.80.60ND-22a4.0-30.00.77 2.4-67AMENDMENT 97-01AUGUST 1997TABLE 2.4-10 (Continued)Sheet 2 of 2FIELD AND LABORATORY PERMEABILITY TEST DATA - SERVICE WATER POND AREAField PermeabilityLaboratory PermeabilityHorizonBoring NoDepth Range ofTests (ft.)AveragePermeability(cm/sec x 10-5)Boring No. andSample DepthConsolidationPressure (tsf)AveragePermeability(cm/sec x 10-5)DecomposedND-2325.0-40.01.80Rock40.0-54.02.50(Continued)ND-244.0-29.00.64SD- 5b14.5-18.00.5418.0-20.83.60SD- 618.0-38.02.50SD- 8b19.2-25.04.10ED- 437.0-40.01.70FracturedND-1333.0-34.01000.0 (est)RockND-2529.0-30.0320.0SD- 535.5-44.033.0SD- 842.0-55.025.0IntactND- 121.0-38.55.60RockND-11a40.0-146.54.50ND-2129.5-146.50.60SD- 544.0-146.54.20SD- 638.0-52.02.60ED- 440.0-48.52.40________________________*Influenced by fractured rock at 34 feet** Influenced by very loose alluvium at 13.5 feet Note: Additional test data are provided in Sections 2.5.6.2 and 2.5.6.6. 2.4-68 Reformatted April 2004 TABLE 2.4-11 RADIONUCLIDES CONSIDERED IN ACCIDENT ANALYSIS Nuclide Half Life (days) Quantity in Tank (µCi) H3 4474.9 3.79 x 107 Co60 1934.5 4.54 x 104 Cs134 748.3 5.72 x 105 Cs137 11,092.4 4.09 x 105 RN 02-030 2.4-69 Reformatted April 2004 TABLE 2.4-12 CONCENTRATIONS OF RADIONUCLIDES AT TWO DISCHARGE POINTS DOWNGRADIENT OF THE WASTE HOLDUP TANK FOLLOWING POSTULATED ACCIDENTAL RUPTURE Peak Concentration (µCi/ml) Discharge Point A Discharge Point B

Radionuclide Concentration Time at Peak (days after rupture) Concentration Time at Peak (days after rupture) Effluent Concentration Limit unrestricted areas * (µCi/ml) H3 1.1 x 10-1 4121 5.7 x 10-2 7114 1 x 10-3 Co60 5.8 x 10-5 4121 1.6 x 10-5 7113 3 x 10-6 Cs134 9.1 x 10-5 4121 4.6 x10-6 7113 9 x 10-7 Cs137 1.7 x 10-3 4121 1.2 x 10-3 7114 1 x 10-6

• Taken from Appendix B of 10CFR20 RN 02-030

---

\....,15IFigure2.4-2TheBroadRiverWatershedAtRichtex,S.C.,IncludingSignificantExistingAndProposedDamsSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONSTATUTEMILES50510h!"!!LEGEND*DAMLOCATIONS1565GAGINGSTATION"D-va-If(ij**N****

SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONMapOfSiteVicinityShowingMajorHydrologicFeaturesJoo0NOTE:THELIMITSOFPARRRESERVOIRANDMONTICELLORESERVOIRDEPICTEDAREAPPROXIMATE.o(;J'o

REFERENCE:

o°THEBASEFORTHISMAPWASPREPAREDFROMPORTIONSo(\.,.,':::$JOFTHEFOLLOWINGS.C.STATEHWY.DEPT.,GENERAL'\.'VpHWY.MAP:FAIRFIELDCO.1962,REVISED1970ANDHolinol'll3CIl°0NEWBERRYCO.1961,REVISED1970..0STATUTEMILESIIoa000*******Figure2.4-3

• • • • • • • AREA-ACRESo45040010002000350300300025040002005000150600010070005080000.......'"--------0................0......000V./0/'/""""'l,.,0/'"/",.,o/",.,/\30o9000434140394234333231ww38LLIZ37o.-36<{Gj35...JwSTORAGE-IOOOACREfEETSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUClEARSTATIONMonticelloReservoirAreaandCapacityCurvesFigure2.4-4

....ioo"'"'"'-.....//.......4R*"4/*6000272270268266t-ww264La..Z0262-t-<<>w260...Jw258256254252o**500010400020*AREA-ACRES300030STORAGE-1000ACREFEET200040**100050*o60SOUTHCAROLINAElECTRIC&GASCO.VIRGilC.SUMMERNUClEARSTATIONParrReservoirAreaandCapacityCurvesFigure2.4-5

• • • • • • • ..;/40*20I24I1120lfjI"-:ilOOIIt)'180;;\!I..::..,.40--0AUGUST1812I24AUGUST1712I24AUGUST1612BASEFLOWI24AUGUST1512AUGUST14I1224III..._._.__..,IIIIAUGUST13I1224III*iK-f----+---_f__LAG*75JOURS--+1----..J.l.***<--ij......//"\.f.,.\!I,"./1,\,I!I"'.I!I,'.....I,\J_.__..,..-\"Id:..,\,fft."I1'0"b,'.Q'.t,l/,r*..\"-I/.;j'<,\..,/..:fId",'.to'!!.****/'f',J..Q'f',"-.....,".*****,....*"**.'*'**17**<;'*-s.............,**.............."';',"...............'1":,.'..................................................I24AUGUST1212AUGUST"I/224o0.2all:__4r--..I-.J0.3SOUTHCAROLINAelECTRIC&GASCO.VIRGilC.SUMMERNUClEARSTATIONHyetographofWatershedRainfallandHydrographofDischargeatRichtex,S.c..August10*17,1940StormFigure2.4-1 TIMEFROMBEGINNINGOFSTORMINHOURSFROM1916STORM*1.4241.21.0<IiIt:(j0.8!@C)-...-.J0.6:::!-0.4Q::tj!Q0.215614413212010896'-.jr**********.......******I****;........n.......I......._...+..._.......,;OSOUTHCAROLINAElECTRIC&GASCO.VIRGilC.SUMMERNUClEARSTATION............."....8472603648["'"FROMHyetographofWatershedRainfallandDerivedProbableMaximumFloodHydrographsatParr,SouthCarolinaFigure2.4-8
            • '-""'z--SHORELINE268,10016,916:15,820FEET(3.0MILE)SERVICE1WATER......POND.::**LC.SUMMERWNUCLEARSTATION.,::Ajjjf5000-ISCALEINFEET.----------------t-SOUTHCAROLINAElECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONWindFetchAnalysisforMonticelloReservoirFigure2.4-9
          • BANKSLOPEINVERTICALTOHORIZONTAL2500.10.20.30.40.50.6I-wwu.z-wwC>u20_o_ctMAXIMUM1%OFWAVEHEIGHTwu.0:EFFETlVEFTCH3-en;:)0::en-i-0:wI-/ctt-I-15_<l_wV..J>/..J0t-<tIIIcta.BANK..J<t;:)Ul-f-SMOOTHBANKSLOPE.,./5OPEI-li:-0Yi)z/-----/----en;:)-Jf\a../a.5V;:)Vz;:)0:/OVERLANDWINDVELOCITY'50MPHf\wV\Jf\0SOUTHCAROLINAElECTRIC&GASCO.VIRGilC.SUMMERNUClEARSTATlONWaveRunupplusWindSetupforMaximumOnePercentofWaveHeightsonMonticelloReservoirFigure2.4-10 SOUTHCAROUNAELECTRIC&GASCO.V1RGILC.SUMMERNUCLEARSTATIONserviceWaterPumphouse__iSERVICEWATERPUMPHOUSEPLOTPLANMONTICELLORESERVOIRCIRCULATINGWATERPUMPHOUSEPOWERPLANTEl.425'-0"..J.(I1.GRADEEL436'-0"l-"lr1-Elo435'-0"..-...-<1I."".:-......_.........'.nI-PUMPCHAMBERf---::,390'*0",.I.t:_.,**.*.-;;;.....I'TRAVELINGSCREEN;::;tI"'"*El.370'-0"-:'l..i:NOTE:STRUCTUREELEVATIONSSHOWNONTHISFIGUREARENOMINAL.TOSETTLEMENTACTUALELEVATIONSAREAPPROXIMATELYFOOTLOWER.REFERTOCALCULATIONSERIESOC-0365CURRENTVALUES.EL.459'-0".-;.......,.EL.436'-0"TOPOFWEIREl.400'-0"'*A*.;-...***.;**EL.370'.0"....:...'oDRAINTRENCHSECTIONA-A+'1;1II,I'I,II,164'-0"------_.._---------------.....INJECTBETZCT-lATINLETTOCONTROLCLAMSANDMIe---"7TRASHRACKn:::mllIIlDIIt.SCREENSIiPUMPSTRASHRACKLIIIIIIIIIIII1I1I,II1IIIII,IIIIIII"0-'10=0-'10*"r--------;::======================================================================================r=================:::;iilPLANBELOWEL.4361-0"PLANA80VEEL.436'-0"a441'-0"Figure2.4-11*1I1t1II1IRIR.R.JIJW.u EQUILIBRIUMLEVEL(DURINGEMERGENCYDRAWDOWN)EL.370'-O"TRASHRACKSPARGER!"*.*::'-':-.-.-.BARGRIDr=---------._----,11-*------_*__*-**'"!I.:I'iISCREENGUIDE.\/SUENMEI_STUOLKSECOTZNTAINERNORMAL'TRAVELINGSCREEN'.'IHIGHWATER:"Ii:,:""*.......EL....GRADEEL.435'..d'_*.*:..__:36"TOAIREX*INTERCONNECTINGPIPEEMERGENCYDRAWDOWNEL.418'-0"BOTTOMOFSKIMMERWALLEL.4IS'-S"*AMENDMENT0<Hl1DECEMBER2000Figure2.4-12InterconnectionPipeBetweenIntakeStructuresSOUTHCAROLINAELECTRIC&GASCO.VIRGilC.SUMMERNUClEARSTATION*SEENOTEONFIGURE2.4-11A-ASECTIONPLANMONTICELLORESERVOIR,,,,",","",,,,,,,,",,"",,",SERVICEWATERL-..---L:==-=-=j=::===IIL...-__=-."..-____.-r.J.-.....-JPOWERPLANT!i-IL'*-.,'\-:-:on-::;d-:-:ec7K"\2"'0"'B6"\"fs:C:-a-=-'r2"4"12"."""dg=n'----'S'=e-=-p-.""27",---"19"'9"9-=09;;-:""52;;:':"5"7--------------------------*

2000180016001400..-.....Q)Q)1200LLIQ).....u1000<<'-'"Q)E800:::J0>6004002000340360380400420440Elevation(Feet)AMENDMENT02-01MAY2002SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONServiceWaterPondAreaAndCapacityCurvesFiQure2.4-13

---

*.-.'-*NSTATUTEMILESo!l10REFERENCE,THEBASEFORTHISMAPWASPREPAREDFROMAPORTIONOFUSGSTOPOGRAPHICMAPSPARTANBURG,S.C.-N.C.,*SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONReportedMunicipal.Industrial.andDomesticWellLocations2-20MilesFigure2.4-14 STATUTEMILESI02t:JC0CC

IIREFERENCE:

THEBASEFORTHISMAPWASPREPAREDFROMPORTIONSOFTHE7.5JENKINSVILLEKEY:QUADRANGLE,1969,U.S.GEOlOGICAlSURVEY.N*DOMESTICWELLI....SPRING*DISCHARGEPOINTSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUClEARSTATIONDomesticWellAndSpringLocations,0-2MilesFigure2.4-15

2.5-167AMENDMENT 97-01AUGUST 1997TABLE 2.5-1Page 1 of 3INFERRED STRATIGRAPHIC SUCCESSION AND SEQUENCE OF IGNEOUSEPISODES IN THE PIEDMONT OF SOUTH CAROLINA (ADAPTED FROMOVERSTREET AND BELL, 1965a, TABLE 2)InferredgeologicageSequences ofsedimentary andpyroclastic rocksand intrusiveepisodesInnerPiedmont BeltKingsMountain BeltCharlotte BeltCarolina Slate BeltSyenite pegmatiteMinette and syenitepegmatiteMinette and syenitepegmatitePermian(250 MY)SyeniteSyeniteSyeniteGabbro, pyroxenite,and noriteGabbro andpyroxeniteGabbro, pyroxenite,and noriteGabbro, pyroxenite,and noriteIntrusiveYorkville QuartzYorkville QuartzYorkville QuartzPermian andepisode CMonzoniteMonozoniteMonozoniteCarboniferousMuscovite pegmatiteCherryvilleQuartz MonzoniteCherryvilleQuartz MonzoniteGranite in circularplutons at Chester, Winnsboro, and Liberty HillGranite in circularplutons at Winnsboro, Liberty Hill, and CayceMarble*MarbleCarboniferousUpperBiotite schist*Sericite schist*Mica gneiss*Argillite*sequenceQuartzite*Quartzite Sericite*Muscovite schist* Unconformity *In part 2.5-168AMENDMENT 97-01AUGUST 1997TABLE 2.5-1 (Continued)Page 2 of 3InferredgeologicageSequences ofsedimentaryand pyroclasticrocks andintrusiveepisodesInner PiedmontBeltKings MountainBeltCharlotte BeltCarolina Slate BeltMiddlesequenceBiotite granitegneiss(450 MY)Toluca QuartzMonzoniteIntrusiveepisode BMetamorphosedgabbro andsoapstoneMetamorphosedgabbroMetamorphosed mafic dikesMetamorphosed maficdikesOligoclasetonaliteDevonianthrough OrdovicianBiotite schist* Marble*Sericite schist*Mica gneiss*Argillite* Muscovite schist*MiddlesequenceQuartzite* Henderson Gneiss Biotite gneissand migmatite*Quartzite Quartz-microclineHornblendegneiss*Hornblende schistgneiss Amphibolite Unconformity 2.5-169AMENDMENT 97-01AUGUST 1997TABLE 2.5-1 (Continued)Page 3 of 3InferredgeologicageSequences ofsedimentary andpyroclastic rocksand intrusiveepisodesInnerPiedmont BeltKingsMountain BeltCharlotte BeltCarolina Slate Belt(550 MY)Intrusiveepisode ABiotite gneiss atIva, AndersonCountyNot recognizedPorphyritic granite inAbbeville County and gneissic granodiorite in York CountyNot recognizedCambrianand LateHornblende gneiss*GranitoidGranitoid gneissGranitoidPrecambrianLowerBiotite schist*gneiss(Migmatite)gneisssequenceBiotite gneiss andmigmatite* Unconformity (not observed in Piedmont) (1100 MY)BasementUnobserved in Piedmont 2.5-170Refromatted PerAmendment 02-01TABLE 2.5-2GENERAL GEOLOGIC TIME SCALEERAPERIODEPOCHAPPROXIMATE AGE (in years)BEFORE PRESENTQUATERNARYHolocene10,000Pleistocene1,000,000CENOZOIC________________________Pliocene13,000,000Miocene25,000,000TERTIARYOligocene36,000,000Eocene58,000,000Paleocene63,000,000CRETACEOUS135,000,000MESOZOICJURASSIC180,000,000TRIASSIC230,000,000PERMIAN280,000,000PENNSYLVANIAN310,000,000MISSISSIPPIAN345,000,000PALEOZOICDEVONIAN405,000,000SILURIAN425,000,000ORDOVICIAN500,000,000CAMBRIAN600,000,000PRECAMBRIAN 2.5-171Refromatted PerAmendment 02-01TABLE 2.5-3Page 1 of 2SUMMARY OF RESULTS OF RADIOMETRIC AGE DETERMINATIONSAges in Millions of Years. For model ages, (Sr87/Sr86)0 assumed = 0.7050SpecimenRock TypeConditionRb-SrModelAgeRb-SrIsochronAgeK-Ar AgeCommentsSC2.1Granodiorite controlUnweathered295 15291 15Biotite agesSC2.3Granodiorite controlUnweathered315 15288 14Biotite agesSD3.1Granodiorite controlSlightly weathered317 15264 16Biotite ages(Edge of biotitecrystals in thin section altered by weathering)SD3.3Granodiorite controlUnweathered314 15297 18Biotite agesNJ1.1Granodiorite controlUnweathered299 15290 17Biotite agesNK2.1Granodiorite controlUnweathered292 10 (1)292 17Biotite age (K-Ar)SC2.2Microbreccia of granodioriteWeathered, but thoroughly lithified345 70 (2)196 18Whole rock agesSC2.4Pink granodiorite with slickensidesUnweathered299 10 (3)163 16Whole rock age (K-Ar) (Biotitelargely altered to chlorite)(1)Average of biotite + whole-rock ages (2)Reflects low radiogenic Sr87(3)Average of biotite-chlorite + whole-rock ages. 02-01 02-01 2.5-172Refromatted PerAmendment 02-01TABLE 2.5-3 (Continued)Page 2 of 2Ages in Millions of Years. For model ages, (Sr87/Sr86)0 assumed = 0.7050SpecimenRock TypeConditionRb-SrModelAgeRb-SrIsochronAgeK-Ar AgeCommentsSD3.2Slightly pinkgranodiorite wedgebounded by laumontite-filled shearsSlightly weathered358 40 (2)256 15Biotite + chlorite age (Rb-Sr).Whole-rock age (K-Ar).NK2.2Microbreccia of granodioriteWeathered521 70 (2)264 16Whole-rock ages (Biotite altered tochlorite)NK2.3Microbreccia of apliteSlightly weathered(Rb-Sr too low for analysis)273 16Whole-rock ageSB2.1Sheared apliteSlightly weatheredNOT ANALYZED209 13Whole-rock ageSB2.2Aplite controlUnweatheredNOT ANALYZED227 14Whole-rock ageSH1Granodiorite control from slant hole coreUnweatheredNOT ANALYZED289 17Biotite ageSH4Microbreccia of granodiorite fromslant hole coreSlightly weatheredNOT ANALYZED141 8Whole rock ageX1Laumontite crystalsEssentially unweatheredNOT ANALYZED45 5Hydrothermal mineral age(2)Reflects low radiogenic Sr87 02-01 02-01 2.5-173Refromatted PerAmendment 02-01TABLE 2.5-4OVERCORING DATA FROM OC-1 AND OC-2VIRGIL C. SUMMER NUCLEAR STATIONHole NumberTestp'Q'OC-1aData questionable because core brokeb97 bars44 bars325(1430 psi)(650 psi)c49 bars40 bars330(730 psi)(590 psi)OC-2a38 bars-20 bars*0(560 psi)(-290 psi)b42 bars-0.7 bars10(620 psi)(-10 psi)c31 bars0.7 bars15(450 psi)(10 psi)

• Negative value indicates tension.

2.5-174Reformatted PerAmendment 02-01TABLE 2.5-5DYNAMIC AND STATIC ENGINEERING PROPERTIES OF FOUNDATION MATERIALFoundationMaterialCompressionalWave Velocity(ft/sec)InSitu Density(lbs/cu ft)Poisson'sRatio ()Shear Modulus (G) orModulus of Rigidity(lbs/sq in)Modulus ofSubgrade Reaction(lbs/cu ft)Saprolite1000-3000110-1350.351 x 104**BL x1056Weathered andjointed rock(12,000-13,000) *(140-160) *0.305 x 105**BL x1028Sound rock15,0001650.202 x 106**BL x1088 *Numbers in parentheses are estimated values.**"BL" is contact area of square foundation. For other contact area shapes, subgrade modulus must be modified (seeBarkan, 1962).NOTE: Young's Modulus, E = 2(1+)G 2.5-175Reformatted PerAmendment 02-01TABLE 2.5-6MODIFIED MERCALLI INTENSITY (DAMAGE) SCALE (Abridged)I.Not felt except by a very few under especially favorable circumstances.(I Rossi-Forel Scale.) II.Felt only by a few persons at rest, especially on upper floors of buildings.Delicately suspended objects may swing. (I to II Rossi-Forel Scale.)III.Felt quite noticeably indoors, especially on upper floors of buildings, but manypeople do not recognize it as an earthquake. Standing motorcars may rockslightly. Vibration like passing of truck. Duration estimated. (III Rossi-ForelScale.)IV.During the day felt indoors by many, outdoors by few. At night some awakened.Dishes, windows, doors disturbed; walls make creaking sound. Sensation likeheavy truck striking building. Standing motorcars rocked noticeably. (IV to VRossi-Forel Scale.) V.Felt by nearly everyone, many awakened. Some dishes, windows, etc., broken; afew instances of cracked plaster; unstable objects overturned. Disturbances oftrees, poles, and other tall objects sometimes noticed. Pendulum clocks may stop.(V to VI Rossi-Forel Scale.)VI.Felt by all, many frightened and run outdoors. Some heavy furniture moved; a fewinstances of fallen plaster or damaged chimneys. Damage slight. (VI to VIIRossi-Forel Scale.)VII.Everybody runs outdoors. Damage negligible in buildings of good design andconstruction; slight to moderate in well-built ordinary structures; considerable inpoorly built or badly designed structures; some chimneys broken. Noticed by persons driving motorcars. (VIII Rossi-Forel Scale.) VIII.Damage slight in specially designed structures; considerable in ordinarysubstantial buildings with partial collapse; great in poorly built structures. Panelwalls thrown out of frame structures. Fall of chimneys, factory stacks, columns, monuments, walls. Heavy furniture overturned. Sand and mud ejected in small amounts. Changes in well water. Persons driving motorcars disturbed. (VIII+ to IX Rossi-Forel Scale.) 02-01 02-01 02-01 02-01 02-01 02-01 02-01 02-01 2.5-176Reformatted PerAmendment 02-01TABLE 2.5-6 (Continued)IX.Damage considerable in specially designed structures; well-designed framestructures thrown out of plumb; great in substantial buildings, with partial collapse.Buildings shifted off foundations. Ground cracked conspicuously. Undergroundpipes broken. (IX+ Rossi-Forel Scale.) X.Some well-built wooden structures destroyed; most masonry and frame structuresdestroyed with foundations; ground badly cracked. Rails bent. Landslidesconsiderable from river banks and steep slopes. Shifted sand and mud. Water splashed (slopped) over banks. (X Rossi-Forel Scale.) XI.Few, if any, (masonry) structures remain standing. Bridges destroyed. Broadfissures in ground. Underground pipelines completely out of service. Earthslumps and land slips in soft ground. Rails bent greatly. XII.Damage total. Waves seen on ground surface. Lines of sight and level distorted.Objects thrown upward into the air. 02-01 02-01 2.5-177Reformatted PerAmendment 02-01TABLE 2.5-7Page 1 of 9SIGNIFICANT EARTHQUAKES WITHIN 250 MILES OF SITE(INTENSITY V OR GREATER)YEARDATELOCAL TIMEN. LAT.W. LONG.LOCALITYPERCEP-TIBLEAREA (sq mi)MAGNI-TUDE *EPI-CENTRALINTEN-SITYREFER-ENCE1776Nov 635.083.0Jackson County,N.C.IV-V1828Mar 92200-2300Probably Virginia190,000V1844Nov 28080036.084.0Nr. Knoxville, Tenn.VIEQH1852Apr 291300Probably Virginia150,000VIBOL1855Feb 2030037.078.6Charlotte Court-house, Virginia9,000VEQH1857Dec 19090432.879.8Charleston, S.C.1861Aug 310522Probably Virginia300,000VI1872June 17150033.183.3Milledgeville, Ga.VEQH1874Feb 10 to Apr 1735.782.1McDowell County, N.C. (Six Shocks)LocalVGIT1875Nov 1215533.882.5Northern Georgia25,000VIEQH1875Dec 22234537.678.5Arvonia, Virginia50,000VIEQH 02-01 2.5-178Reformatted PerAmendment 02-01TABLE 2.5-7 (Continued)Page 2 of 9YEARDATELOCAL TIMEN. LAT.W. LONG.LOCALITYPERCEP-TIBLEAREA (sq mi)MAGNI-TUDE *EPI-CENTRALINTEN-SITYREFER-ENCE1877Nov 16023835.584.0Western N.C. andEastern Tenn.5,000VEQH1879Dec 13020035.280.8Charlotte, N.C.LocalVEQH1884Jan 18080034.378.0Wilmington, N.C.LocalVEQH1885Aug 6080036.281.6Watauga County, N.C.LocalIV-VEQH1886Aug 312151215932.980.0Near Charleston, S.C. (TwoShocks)2,000,0006.8/7.1XBOL1886Oct 220520144532.980.0Charleston, S.C.30,000VIVIIEQHGIT1886Nov 5122032.980.0Charleston, S.C.30,000VIEQH1897May 3121837.180.7Near Pulaski City,Va.150,000VIEQH1897May 31135837.380.7Giles County, Va.280,000VIII1897Oct 21222036.981.1Wytheville, Va.20,000VEQH1898Feb 5150037.080.7Western, Va.VIEQH1898Nov. 25150037.081.0Pulaski-Wytheville, Va.IV-VBOL 02-01 2.5-179Reformatted PerAmendment 02-01TABLE 2.5-7 (Continued)Page 3 of 9YEARDATELOCAL TIMEN. LAT.W. LONG.LOCALITYPERCEP-TIBLEAREA (sq mi)MAGNI-TUDE *EPI-CENTRALINTEN-SITYREFER-ENCE1899Feb 13043037.081.0Western Virginia30,000VEQH1902May 29023035.185.3Chattanooga,Tenn.LocalVEQH1902Oct 18170035.085.3SoutheasternTenn. &Northwestern Ga.1,500V1903Jan 23201532.181.1Georgia & S.C.10,000VIEQH1904Mar 4193035.783.5Eastern Tenn.5,000VEQH1907Apr 19033032.980.0Near Charleston,S.C.10,000VEQH1911Apr 21220035.282.7NC-SC Border600VGIT1912Jun 12053032.980.0Summerville, S.C.35,000VIIEQH1912Jun 2032.081.0Savannah, Ga.VGIT1913Jan 1132834.781.7Union County, S.C.43,000VIIEQH1913Mar 28165036.283.7Eastern Tenn.2,700VIIEQH1913Apr 17113035.384.2Eastern Tenn.3,500VEQH1914Jan 23222435.684.5Eastern Tenn.LocalV1914Mar 5150533.583.5Georgia50,000VIEQH 02-01 2.5-180Reformatted PerAmendment 02-01TABLE 2.5-7 (Continued)Page 4 of 9YEARDATELOCAL TIMEN. LAT.W. LONG.LOCALITYPERCEP-TIBLEAREA (sq mi)MAGNI-TUDE *EPI-CENTRALINTEN-SITYREFER-ENCE1914Sept 21213035.082.6Nr Greenville,S.C.V1914Sept 22020433.080.3Near Summerville, S.C.30,000VEQH1915Oct 29010035.882.7Near Marshall, N.C.1,200VEQH1916Feb 21173935.582.5Near Skyland, N.C.200,0005.0VIEPB1916Mar 1190234.582.7Anderson, S.C.IV-VGIT1916Aug 261335143636.081.0Western N.C. (Two Shocks)3,800VEQH1918Jun 21200036.184.1Lenoir City, Tenn.3,000VEQH1920Dec 24023036.085.0Eastern Tenn.LocalVEQH1921Jul 1536.682.3Near Mendota,Va.LocalV-VIBOL1924Oct 20033035.082.6Pickens County, S.C.56,000VEQH1924Nov 13003036.682.1Bristol, Tenn-Va.IV-V1924Dec 25233037.379.9Roanoke, Va.LocalVEQH1926Jul 8045035.982.1South Mitchell County, N.C.LocalVIEQH 02-01 2.5-181Reformatted PerAmendment 02-01TABLE 2.5-7 (Continued)Page 5 of 9YEARDATELOCAL TIMEN. LAT.W. LONG.LOCALITYPERCEP-TIBLEAREA (sq mi)MAGNI-TUDE *EPI-CENTRALINTEN-SITYREFER-ENCE1927June 10021638.079.0NearCharlottesville, Va.2,500V1928Nov 2230336.082.6Tenn-N.C. Border (Western N.C.)40,000VICGS1929Dec 26215638.178.5Near Charlottesville, Va.VI1933Dec 19091233.080.2Summerville, S.C.LocalIV-VGIT1935Jan 1031535.183.6N.C.-Ga. Border7,000VUSE1945Jun 13222535.084.5Cleveland, Tenn.V1945Jul 26053234.381.4Lake Murray, S.C.25,000VIUSE1949Sep 17043036.783.0Lee County, Ga.IV-V1952Nov 19190032.880.0Charleston, S.C.VGIT1954Jan 2235.384.4Near Athens & Etowah, Tenn.V1955Sep 27210236.681.4N.C.-Tenn. Border1,700VBOL1956Sep 70836 & 084935.584.0Eastern Tenn. (Two Shocks)8,300VIUSE1957May 13092535.782.0Western N.C.8,100VIEQH 02-01 2.5-182Reformatted PerAmendment 02-01TABLE 2.5-7 (Continued)Page 6 of 9YEARDATELOCAL TIMEN. LAT.W. LONG.LOCALITYPERCEP-TIBLEAREA (sq mi)MAGNI-TUDE *EPI-CENTRALINTEN-SITYREFER-ENCE1957Jun 23013436.584.5Eastern CentralTenn.VEQH1957Jul 2043335.582.5Western N.C.VIEQH1957Nov 24150635.083.5N.C.-Tenn. Border4,100VIEQH1958Mar 5065434.577.7Wilmington, N.C.VEQH1958Oct 20011634.582.6Anderson, S.C.LocalVGIT1959Apr 23155937.580.5Va.-W. Va. Border3,000VIEQH1959Aug 3010833.079.5Southeast S.C.25,000VICGS1959Oct 26210734.580.2Northeast, S.C.4,800VIGIT1960Mar 12074833.079.0Near Coast ofS.C.3,500VCGS1960Apr 15051035.784.0Eastern Tenn.1,300VEQH1960Jul 23223733.080.0Charleston, S.C.LocalVGIT1963Oct 28173936.781.0Near Galax, Va.(Two Shocks)1,300VCHC1964Feb 18043134.885.5Ga.-Ala. BorderVEQH 02-01 2.5-183Reformatted PerAmendment 02-01TABLE 2.5-7 (Continued)Page 7 of 9YEARDATELOCAL TIMEN. LAT.W. LONG.LOCALITYPERCEP-TIBLEAREA (sq mi)MAGNI-TUDE *EPI-CENTRALINTEN-SITYREFER-ENCE1964Mar 12202033.283.4Near Milledgeville,Ga.4.4VCGS1964Apr 20140534.081.0Near Columbia, S.C.VGIT1967Oct 23040433.480.7Charleston-Summerville, S.C.3.8VUSE1969Jul 13165136.184.3Eastern Tenn.20,0003.5VEQH1969Nov 19200037.481.0Giles County, Va.V-VI1969Dec 13051935.183.0Nr. Highlands N.C.VUSE1970Jul 30101537.082.2Western, Va.4.0VCGS1970Sept 9204136.181.4Northwest N.C.VUSE1971May 19075433.380.6S. Central S.C.3.4VNOS1971Oct 9114335.983.5E. Tennessee3.4VERL1972Feb 3181133.580.4S. Central S.C.4.5VERL1973Oct 30175835.784.0E. Tennessee3.4 GSVGS1973Nov 30024835.884.0E. Tennessee4.6 BLAVIGS 02-01 2.5-184Reformatted PerAmendment 02-01TABLE 2.5-7 (Continued)Page 8 of 9YEARDATELOCAL TIMEN. LAT.W. LONG.LOCALITYPERCEP-TIBLEAREA (sq mi)MAGNI-TUDE *EPI-CENTRALINTEN-SITYREFER-ENCE1974Aug 2035233.982.5Nr. Augusta, Ga4.9 GSVIGS1974Nov 22002532.980.1Nr. Charleston,S.C.4.7VIGS1975Nov 11031037.280.8S.W. Virginia----VIUSE1975Nov 25101834.982.6L. Jocasse, S.C.--3.2IVGS1976Jan 19012136.983.8Kentucky--4.0 MbVIGS1976Feb 4155435.084.8Tenn.-Ga. Border--3.0 MbVIUSE1976Jun 19005437.481.6S. W. Virginia--4.7 MbVUSE1976Sep 13135536.680.8Va.-N.C. Border--3.3 MbVIGS1976Dec 27015732.282.5S. E. Ga.--3.7 MbVGS1977Jan 18132932.980.2Charleston--3.0 MbVUSE1977Jul 27170335.484.4Tenn.--3.5 MbVGS1977Aug 25042033.480.7Bowman, S.C.--3.1 MbVGS1977Dec 15141532.980.2Charleston--3.0VGS1978Mar 17132736.780.7S. W. Virginia--2.8VGS1979Jan 19085634.682.8L. Keowee--3.4 Mb--SEN 02-01 2.5-185Reformatted PerAmendment 02-01TABLE 2.5-7 (Continued)Page 9 of 9YEARDATELOCAL TIMEN. LAT.W. LONG.LOCALITYPERCEP-TIBLEAREA (sq mi)MAGNI-TUDE *EPI-CENTRALINTEN-SITYREFER-ENCE1979Aug 13051935.284.3S. E. Tenn.--3.7 MbVGS1979Aug 25213234.882.9L. Jocassee, S. C.--3.7 MbLg--SEN1979Sep 6203835.383.2West, N. C.--3.2 M--SEN1979Sep 12062435.683.9Marysville, Tenn.--3.2 MbVGS1979Oct 8085436.482.0N. E. Tenn.--3.6 M--SENThe following abbreviations for references were used -BOLBollinger (1969)GIT-Georgia Institute of TechnologyCGSCoast and Geodetic SurveyBLAWWSSN, Blacksburg, VirginiaEPBEarth Physics Branch, Dept. of Ener. Mines andRes., CanadaCHCWWSSN, Chapel Hill, N. C.GSU. S. Geological SurveyEQHEarthquake History of the United States,Coffman and Von Hake (1973)NOSNational Ocean Survey (NOAA)USEU. S. Earthquakes, Yearly Publication (NOAA)ERLEnvironmental Research Laboratories (NOAA)SENSoutheastern Seismic Network*MbBody waveMLocal (Duration) MbLgBody wave (Nuttli) 02-01 TABLE 2.5-8 FOUNDATION SEISMIC DESIGN PARAMETERS Foundation Material Compressional Wave Velocity (ft/sec) In Situ Density (lbs/cu ft) Poisson's Ratio () Shear Modulus (G) orModulus of Rigidity (lbs/sq in) Modulus of Subgrade Reaction (lbs/cu ft) Saprolite 1000-3000 110-135 0.35 1 x 1045 x 106**BL Weathered and jointed rock (12,000-13,000)* (140-160)* 0.30 5 x 1052 x 108**BL Sound rock 15,000 165 0.20 2 x 1068 x 108**BL

• Numbers in parentheses are estimated values. ** "BL" is contact area of square foundation. For other contact area shapes, subgrade modulus must be modified (see Barkan, 1962). Note: Young's Modulus, E = 2(1 + )G 2.5-186 AMENDMENT 97-01 AUGUST 1997 2.5-187AMENDMENT 97-01AUGUST 1997TABLE 2.5-9ROCK COMPRESSION TEST RESULTSTriaxial TestsUnconfinedPeakYoung'sCompressiveConfiningDeviatorModulusDepthUnit WeightStrengthPressureStressEPoisson'sBoring(Feet)(lbs/cu ft)(lbs/sq in)(lbs/sq in)(lbs/sq in)(lbs/sq in)RatioBorings On or Adjacent to SiteN-159016337,7008.1 x 1060.18N-1610116911,3007.4 x 106N-1617616129,9001.1 x 107N-19881628,00081,0005.5 x 106N-19941635,00081,0006.1 x 106N-221511705,00021,6005.0 x 1063-19116926,5008.0 x 1060.243-210817319,0004.4 x 1063-211717031,0009.0 x 1060.223-211816832,0008.2 x 1063-212617113,0008.6 x 1063-69717211,0004.9 x 1063-91141619001.4 x 1053-1411817322,0004.9 x 1063-1417417325,0006.5 x 1063-1712016632,0004.5 x 106Other Borings Approximately Three Miles North of SiteN-21111698,00073,500N-211217116,8007.0 x 1060.17N-11361914,00092,000N-1136 1/21943,40092,000N-113719333,2001.3 x 1070.20 2.5-188 Reformatted Per Amendment 02-01 TABLE 2.5-10 Page 1 of 2 SOIL DYNAMIC TORSIONAL SHEAR TEST RESULTS Boring:Depth: N-2
• 27 feet Soil Type: micaceous silt and sand Dry Density: 101 lbs. per cu. ft. Moisture Content: 10.6 percent Confining Pressure (lbs/sq ft) Range of Shear Strain (x 10-5) Range of Modulus of Rigidity (lbs/sq ft x 105) 1000 2 to 24 4.1 to 3.7 2000 1 to 13 12.5 to 11.6 4000 1 to 10 18.4 to 17.4 8000 1 to 7 28.6 to 28.3 Boring:Depth: N-2* 32 feet Soil Type: micaceous silt and sand Dry Density: 84 lbs. per cu. ft. Moisture Content: 18.7 percent Confining Pressure (lbs/sq ft) Range of Shear Strain (x 10-5) Range of Modulus of Rigidity (lbs/sq ft x 105) 1000 3 to 36 4.1 to 3.2 2000 3 to 22 6.2 to 4.3 4000 1 to 11 15.6 to 15.2 8000 1 to 8 23.2 to 22.1 Boring:Depth: N-2
• 38 feet Soil Type: micaceous sand with silt and fine gravel Dry Density: 117 lbs. per cu. ft. Moisture Content: 8.6 percent Confining Pressure (lbs/sq ft) Range of Shear Strain (x 10-5) Range of Modulus of Rigidity (lbs/sq ft x 105) 1000 2 to 19 7.7 to 6.9 2000 2 to 15 11.1 to 10.3 4000 1 to 9 20.7 to 19.1 8000 1 to 6 32.3 to 32.0
• Torsional Shear Tests performed on samples recovered from borings drilled approximately 3 miles north of the site. The soils tested are similar to that at the plant site. 02-01 02-01 02-01 2.5-189 Reformatted Per Amendment 02-01 TABLE 2.5-10 (Continued) Page 2 of 2 SOIL DYNAMIC TORSIONAL SHEAR TEST RESULTS Boring:

Depth: N-2* 50 feet Soil Type: micaceous sand with silt and fine gravel Dry Density: 130 lbs. per cu. ft. Moisture Content: 7.0 percent Confining Pressure (lbs/sq ft) Range of Shear Strain (x 10-5) Range of Modulus of Rigidity (lbs/sq ft x 105) 1000 4 to 24 4.9 to 4.4 2000 2 to 16 12.0 to 10.0 4000 1 to 8 24.8 to 23.6 8000 1 to 5 41.3 to 40.7 Boring: Depth: 3-14 55 feet Soil Type: brown silty micaceous sand Dry Density: 91 lbs. per cu. ft. Moisture Content: 24.0 percent Confining Pressure (lbs/sq ft) Shear Strain (x 10-5) Modulus of Rigidity (lbs/sq ft x 105) 1000 20 6.5 2000 17 10.5 4000 11 17.2 8000 8 26.5 Boring: Depth: 3-7 30.5 feet Soil Type: reddish brown silty micaceous fine sandDry Density: 86 lbs. per cu. ft. Moisture Content: 27.0 percent Confining Pressure (lbs/sq ft) Shear Strain (x 10-5) Modulus of Rigidity (lbs/sq ft x 105) 1000 20 7.8 2000 16 11.0 4000 12 16.4 8000 10 22.5

• Torsional Shear Tests performed on samples recovered from borings drilled approximately 3 miles north of the site. The soils tested are similar to that at the plant site. 02-01 02-01 02-01 2.5-190 Reformatted Per Amendment 02-01 TABLE 2.5-11 COMPRESSIONAL WAVE VELOCITY TEST RESULTS Tests on Soil Samples Boring Depth (feet)

Dry Density (lbs/cu ft) Moisture content (percent) Velocity of Compressional Wave Propagation (ft/sec) N-14 36.5 118 14.0 1100 N-15 11.5 97 13.8 1700 N-15 16.5 99 10.8 1000 N-15 46.5 90 25.0 900 N-19 6 93 25.8 1200 N-19 20 96 18.9 1000 N-22 6 96 25.9 2900 N-22 26 95 22.0 1000 N-22 61 112 11.3 1000 Tests on Rock Samples Boring Depth (feet) Velocity of Compressional Wave Propagation (ft/sec) N-16 184 16,400 N-17 60 12,400 N-17 82 14,400 N-17 97 14,100 N-17 149 14,200 N-18 223 13,400 N-19 90 10,800 N-19 123 13,400 N-19 149 13,500 3-1 111 10,400 3-2 105 12,100 3-2 124 16,700 3-17 86 12,800 3-17 106 12,900 3-17 132 11,300 N-1

• 104 11,400 N-1
• 129 13,600 N-1
• 163 15,400
• These samples were obtained from other borings drilled approximately three miles north of the Station site. The rock tested is similar to that at the plant site. 02-01 2.5-191 Reformatted Per Amendment 02-01 TABLE 2.5-12 PERMEABILITY TEST DATA - OVERBURDEN Permeability Boring Depth (feet) (ft/day) (cm/sec) N-19 65 4.8 x 10-4 1.7 x 10-7 N-22 40 4.0 x 10-2 1.4 x 10-5 3-2 40 13.6 x 10-2 4.8 x 10-5 3-3 60 1/2 17.0 x 10-2 6.0 x 10-5 3-5 5 1/2 6.8 x 10-2 2.4 x 10-5 3-9 75 1/2 33.5 x 10-2 11.8 x 10-5 3-17 30 16.8 x 10-2 5.9 x 10-5 02-01 2.5-192 Reformatted Per Amendment 02-01 TABLE 2.5-13 ATTERBERG LIMIT DATA Boring Depth (feet) In Situ Moisture Content (percent) Liquid Limit Plastic Limit Plasticity Index 3-3 1/2 23 29 22 7 3-7 1/2 24 58 48 10 3-14 1 1/2 24 39 38 1 3-15 1/2 22 44 30 14 3-18 65 14 39 Nonplastic 3-20 1 26 46 31 15 AR-1 1 20 46 21 25 AR-2 5 22 53 37 16 AR-3 5 21 45 Nonplastic AR-6 5 21 66 30 36 AR-9 1 1/2 17 36 24 12 02-01 2.5-193 Reformatted Per Amendment 02-01 TABLE 2.5-14 RESISTIVITY TEST RESULTS Boring Sample Depth (feet) Material Laboratory Resistivity (ohm-centimeters) 3-1 375 Rock (3) 118 x 106 3-1 375 Rock (4) 74 x 103 3-3 51 Soil (1) 159 x 103 3-3 51 Soil (2) 124 x 103 3-4 78 Rock (3) 700 x 106 3-4 78 Rock (4) 66 x 103 3-6 317 Rock (3) 680 x 106 3-6 317 Rock (4) 89 x 103 3-7 66 Soil (1) 140 x 103 3-7 66 Soil (2) 72 x 103 3-8 36 Soil (1) 191 x 103 3-8 36 Soil (2) 112 x 103 3-11 88 Rock (3) 55 x 106 3-11 88 Rock (4) 44 x 103 3-14 126 Rock (3) 8 x 106 3-14 126 Rock (4) 91 x 103 3-16 21 Soil (1) 162 x 103 3-16 21 Soil (2) 77 x 103 (1) Tested at natural moisture content (2) Tested at saturated moisture content (saturated with ground water)

(3) Tested at moisture content less than natural due to air drying of rock core (4) Tested at saturated moisture content (saturated with ground water) 02-01 2.5-194AMENDMENT 97-01AUGUST 1997TABLE 2.5-15SOIL CHEMICAL TEST RESULTSBoringSample Depth(feet)pHTotal Sulphates(parts/million)DissolvedSulphates(parts/million)3-350 1/25.7352.6303.43-7655.8319.8262.43-8355.7262.4246.03-16205.4352.6352.6 TABLE 2.5-16 SUMMARY OF STRESS CONTROLLED CYCLIC CONSOLIDATED UNDRAINED TRIAXIAL TESTS Number of Cycles Test No. Boring No. Sample No. Depth (ft.) Initial Moisture Content (%) Initial Dry Density(pcf) Moisture Content After Consolidation(pcf) Dry Density After Consolidation(pcf) Effective ConsolidationPressure c (psf) Cyclic Deviator Stress (1-3)Max.(psf) Stress Ratio 3/Max* 5% DoubleAmpl. Axial Strain l0% Double Ampl. Axial Strain 1 4-1 5 15 13.6 87.2 31.0 89.7 1750 691 0.39 6 16 2 4-1 9A 25 18.5 90.0 24.0 93.6 2475 1068 0.43 9 30 3 4-1 9B 25 11.8 92.3 28.0 95.1 2475 1006 0.41 5 11 4 4-1 11 30.5 7.9 107.8 18.6 112.6 2875 1334 0.47 6 50 5 4-1 5B 15.0 15.5 81.8 35.0 84.8 1750 553 0.32 5 10 6 4-1 13A 35.0 7.5 97.5 21.2 102.0 3165 1061 0.34 10 37 Max.23)1(* 2.5-195 AMENDMENT 97-01 AUGUST 1997 TABLE 2.5-17 SUMMARY OF STRAIN CONTROLLED CYCLIC CONSOLIDATED UNDRAINED TRIAXIAL TESTS Test No. Boring No. Sample No. Depth (ft.) Initial Moisture Content (%) Initial Dry Density(pcf) Moisture Content After Consolidation(%) Dry Density After Consolidation (pcf) Effective ConsolidationPressure c (psf) Single Ampl.Cyclic Shear Strain(%) Shear* Modulus(ksf) DampingRatio (%) 1 4-1 9C 25 12.2 87.6 29.0 91.2 2475 .0047 4355 9.5 " " " " " " " " " .0093 3305 10.5 " " " " " " " " " .0187 2367 15.6 " " " " " " " " " .3691 175 17.5 " " " " " " " " " .7382 102 20.9 2 4-1 13B 35 8.1 97.0 20.8 102.1 3165 .0048 5707 7.4 " " " " " " " " " .0095 4503 10.4 " " " " " " " " " .0189 3178 13.8 " " " " " " " " " .3750 205 17.6 " " " " " " " " " .7500 106 19.3

• Poisson's Ratio assumed to be 0.50 2.5-196 AMENDMENT 97-01 AUGUST 1997 TABLE 2.5-18 COMPUTATION OF MAXIMUM MODIFIED PENETRATION RESISTANCES FOR LIQUEFACTION UNDER PEAK GROUND SURFACE ACCELERATION OF 0.15g Depth (feet) V (psf) V / V rd av / V N115 1755 1.0 0.97 0.09 6.5 25 2325 1.27 0.94 0.12 8.7 35 2895 1.44 0.90 0.13 9.4 45 3465 1.55 0.80 0.12 8.7 55 4035 1.62 0.71 0.11 8.0 65 4605 1.68 0.63 0.10 7.2 75 5175 1.73 0.56 0.09 6.5 2.5-197 AMENDMENT 97-01 AUGUST 1997 TABLE 2.5-19 COMPUTATION OF MAXIMUM MODIFIED PENETRATION RESISTANCES FOR LIQUEFACTION UNDER PEAK GROUND SURFACE ACCELERATION OF 0.25g Depth (feet) V (psf) V / V rd av / V N115 1755 1.0 0.95 0.15 10.9 25 2325 1.27 0.91 0.19 13.8 35 2895 1.44 0.84 0.20 14.5 45 3465 1.55 0.70 0.18 13.1 55 4035 1.62 0.55 0.15 10.9 65 4605 1.68 0.43 0.12 8.7 75 5175 1.73 0.35 0.10 7.3 2.5-198 AMENDMENT 97-01 AUGUST 1997 TABLE 2.5-20 COMPUTATION OF AVERAGE CYCLIC SHEAR STRAINS FOR PEAK GROUND SURFACE ACCELERATION OF 0.25g Depth (feet) ' (psf) '/vavav (psf) av (percent) 5 585 0.16 94 0.02 15 1755 0.15 263 0.04 25 2325 0.19 442 0.07 35 2895 0.20 579 0.09 45 3465 0.18 624 0.08 55 4035 0.15 605 0.07 65 4605 0.12 552 0.06 2.5-199 AMENDMENT 97-01 AUGUST 1997 2.5-200Reformatted PerAmendment 02-01TABLE 2.5-21Page 1 of 2FOUNDATION DESIGN INFORMATION FOR SEISMIC CATEGORY I STRUCTURESStructureApproximatePlan Dimensions(feet)ApproximateFoundation Elevation(feet)FoundationEmbedment BelowFinish Grade(feet)Foundation TypeFoundation Loads andBearing PressuresReactor Building134, outside diameter396 to 408*39MatLoad bearingpressures do notexceed 25 KSFControl Building84 x 141407 to 411*28Mat"Auxiliary BuildingNorthSouth120 x 190384 to 388*370 to 374*51 65Mat"Diesel GeneratorBuilding66 x 67394 to 421*41 and 14Caissons into rockLoads on individual caissons vary.Caissons designed in accordance with values on Table 2.5-23.Fuel HandlingBuilding75 x 123409 to 430**26 and 5Caissons into rock"IntermediateBuilding85 x 198394 to 409**39 and 26Caissons into rock"Condensate StorageTank Foundation58 diameter4305Mat on SoilRefer to Section2.5.4.10.3Diesel Generator FuelOil Storage TanksTwo Tanks41916Soil-SupportedRefer to Section 2.5.4.10.3 02-01 2.5-201Reformatted PerAmendment 02-01TABLE 2.5-21 (Continued)Page 2 of 2StructureApproximatePlan Dimensions(feet)ApproximateFoundation Elevation(feet)FoundationEmbedment BelowFinish Grade(feet)Foundation TypeFoundation Loads andBearing PressuresService WaterPump House70 x 7938649Mat on soilRefer to Section2.5.4.10.6Service WaterIntake Structure18 x 166367-Mat on soilRefer to Section2.5.4.10.6Service WaterDischarge Structure33 x 3540815Mat on rockRefer to Section2.5.4.10.6 *Indicates the elevation at which the structural concrete (3000 psi concrete) is founded on the fill concrete (1500 psi concrete) which in turn isfounded on bedrock. The base of the fill concrete corresponds approximately to the excavation depth contours presented on Figure 2.5-24.The approximate base of the fill concrete is as follows:Reactor BuildingNorthEastSouthWestAuxiliary BuildingNorthSouthControl BuildingElevation (feet)341348362 367354368366 and 371**Elevation of Cap. Elevation of bottom of caissons vary. 02-01 02-01 2.5-202AMENDMENT 97-01AUGUST 1997TABLE 2.5-22ULTIMATE AND ALLOWABLE ROCK BEARING CAPACITYRock Property IndicatorNumber(from Section 2.5.4.4.1)"Theoretical" UltimateBearing Capacity (ksf)Design Allowable Bearing Capacity(ksf)#16,000200#22,000100#380040 2.5-203AMENDMENT 97-01AUGUST 1997TABLE 2.5-23CAISSON END BEARING AND SHAFT RESISTANCEAllowable Dynamic Loadings*Allowable Static Loading*(Short-Term Earthquake Loadings)Rock PropertyIndicator Number"Theoretical" Ultimate EndBearing CapacityEnd BearingCapacityShaftResistance(skin friction)End BearingCapacityShaft Resistance(skin friction)(from Section 2.5.4.4.1)(ksf)(ksf)(ksf)(ksf)(ksf)#16,0002001060020#22,0001001030020#38002557510_________________* The caissons are designed in accordance with the allowable values with the exception that, for caissons founded in #1 and/or #2rock, the values for the #2 rock are used. For design considering combined bearing and friction, the full value for one type ofresistance plus no more than 2/3 of the other resistance are utilized.

TABLE 2.5-24 SUMMARY OF EMBANKMENT GEOMETRY NORTH DAM SOUTH DAM EAST DAM WEST EMBANKMENT Crest Elevation (feet) 438.0438.0 438.0 435.0 Crest Width (feet) 30.030.0 40.0 50.0 Approximate Crest Length (feet) 1,500 765 1,150 1,900 Maximum Height (feet) 129 98 28 96 Approximate Volume (1,000 cubic yards) 785 273 44 1,169 (1)

NOTE:

1. Includes nonsafety class fill west of West Embankment.

2.5-204 Reformatted Per Amendment 02-01 TABLE 2.5-25 CROSS-HOLE VELOCITY MEASUREMENTS NORTH, SOUTH, AND EAST DAM LOCATIONS 02-01 Recording Station Shot Station Horizontal Distance Velocity (ft/sec) Boring No. Depth (ft) No. Depth (ft) (ft) Compress. Shear ND-4 35 ND-1 40 200 13,300 7,680 35 30 200 13,300 7,400 ND-11 45 ND-4 45 215 14,200 7,600 8,000 65 ND-17 75 175 14,000 7,600 SD-5 45 SD-1 45 160 16,000 8,000 15,200 45 SD-8 45 212 13,250 7,300 ND-11 15 SD-11a 20 20 4,000 15 20 20 4,000 1,550 1,800 20 20 4,000 1,450 1,550 02-01 15 20 20 3,600 1,550 1,800 15 20 20 1,800 (1) 15 SD-11b 20 35 4,400 1,950 15 SD-11c 20 48 4,800 4,000 1,500 1,850 15 20 48 4,800 1,600 4,000 1,500 SD-5 15 SD-5a 14 25 4,150 1,650 1,550 ED-2 20 ED-2a 25 25 1,560 (1)1,090 (1) 835 (1) 15 25 25 1,400 860 (1) 25 25 25 1,190 25 25 25 660 15 15 25 1,085 15 ED-5/2 15 80 1,950 1,100 15 15 80 2,000 1,125 15 25 80 1,700 (1)1,100 NOTE:

1. Poor definition of wave arrival. 2.5-205 Reformatted Per Amendment 02-01 TABLE 2.5-26 RESULTS OF CROSS-HOLE SEISMIC SURVEY Horizon Vs (ft/sec) Vp (ft/sec) G (ksi) E (ksi) 7650 14500 2083 5444 .307 7600 14000 2055 5307 .291 7600 14200 2055 5341 .299 7400 13300 1949 4972 .276 Intact Rock 7680 13300 2099 5247 .250 7300 13250 1896 4862 .282 8000 16000 2277 6073 .333 8000 15200 2277 5960 .308 1550 4150 69.9 198.5 .419 1550 4000 69.9 197.5 .412 Decomposed 1850 4000 99.6 271.8 .364 Rock 1500 4000 65.5 185.8 .418 1600 4150 74.5 210.6 .413 2300 4600 154.0 410.7 .333 1100 1850 33.9 83.2 .227 Saprolite and 1125 2000 35.5 90.0 .263 Transported 1100 1950 33.9 85.9 .267 Soils 860 1400 20.7 49.6 .197 1090 1560 33.3 68.2 .023 835 1560 19.5 50.8 .299 Vs = Shear wave velocity E = Young's modulus Vp = Compressional wave velocity = Poisson's ratio G = Shear modulus

2.5-206 Reformatted Per Amendment 02-01 TABLE 2.5-27 Page 1 of 2 PERMEABILITY TEST RESULTS Field Permeability Laboratory Permeability Horizon Boring No. Depth Range of tests (ft) Average Permeability (cm/sec x 10-5) Sample No. Consolidation Pressure (tsf) Average Permeability (cm/sec x 10-5) Colluvium / Residual Soils SD-5b SD-8b ED-4 SS-3 5.0-14.5 6.4-16.0 5.5-10.0 4.0-7.0 0.18 0.48 1.1 0.62 SD-5(2') SD-5(6') ED-2(12') 2.0 4.0 2.0 2.0 4.0 1.5 0.58 0.16 0.48 0.79

Saprolite ND-7 ND-13 ND-11a ND-20 ND-23 ND-25 SD-6 ED-4 SS-3 8.0-15.0 4.0-27.0 27.0-30.0 30.0-33.0 14.0-15.5 19.0-25.5 13.0-24.5 9.0-25.0 9.0-14.0 14.0-29.0 4.2-8.2 14.6-18.0 14.6-37.0 7.0-37.0 2.3 0.70 7.6 150.0+ 29.0++ 6.4 3.7 0.96 0.18 2.2 0.34 1.2 3.0 5.9 ND-4(10') ED-2(27') 0.0 2.0 3.9 0.37 4.1 1.7 02-01

Decomposed Rock ND-7 ND-9 ND-9a ND-20 ND-22a ND-23 15.0-136.0 4.0-20.0 20.5-35.0 35.0-45.0 45.0-70.0 25.0-38.8 4.0-30.0 25.0-40.0 40.0-54.0 0.94 0.55 0.54 1.8 0.46 0.60 0.77 1.8 2.5 ND-4(18') ND-14(7') ND-14(12') 2.0 2.0 4.0 0.0 0.20 1.2 0.98 0.16 2.5-207 Reformatted Per Amendment 02-01 2.5-208 Reformatted Per Amendment 02-01 TABLE 2.5-27 (Continued) Page 2 of 2 PERMEABILITY TEST RESULTS Field Permeability Laboratory Permeability Horizon Boring No. Depth Range of tests (ft) Average Permeability (cm/sec x 10-5) Sample No. Consolidation Pressure (tsf) Average Permeability (cm/sec x 10-5) Decomposed Rock (Continued) ND-24 SD-5b SD-6 SD-8b ED-4 4.0-29.0 14.5-18.0 18.0-20.8 18.0-38.0 19.2-25.0 37.0-40.0 0.64 0.54 3.6 2.5 4.1 1.7 Fractured Rock ND-13 ND-25 SD-5 SD-8 33.0-34.0 29.0-30.0 35.5-44.0 42.0-55.0 1000.0 (est.) 320.0 33.0 25.0 Intact Rock ND-1 ND-11a ND-21 SD-5 SD-6 ED-4 21.0-38.5 40.0-146.5 29.5-146.5 44.0-146.0 38.0-52.0 40.0-48.5 5.6 4.5 0.60 4.2 2.6 2.4 NOTES:

1. Influenced by fractured rock at 34 feet.

2. Influenced by very loose alluvium at 13.5 feet.

3. Additional test results are presented by Table 2.5-64.

TABLE2.5-28Sheet1of21Stl'HM.UYOF'LABORATORYTESTltESIJLTSFOUNDAT!ONsoii:s.......fiiIr-£<';;2;,67237391)CtdlON-)+\:-.."..-)2S..26.2.5-:209AMENDMENT97-01AUGU1997 ...:)TABLE2.5-28(Cont'd)Sheet2of21SUMMARYOFLABORATORYTESTRESULTS-l'OLLUVIUMtV,lURAIAllERBERGLIMITSUNCONCOMPRfS.;UNIISPfCIALSPfClF1CWAifRDRYWGITESTSLIQUIDPLASTICSTRESSSTRAINGRAVIIrC,IIMIr11MI,II111(0/0IIP(ItGRAIN_jSII!0-;"-1--:->a>-a..'"r0TRIAXIAl---------CEILUUCiUPRfSSURfPRESSURE\rIi)IrliJ0-ItSD-')[)-..-10.0-12.51tl.O-6.5-----MLCLMLf1,-------------I*1---12.5-210AHENDHENT97-01AUGUST1997 TIillLE205-28(Cont'd)Sheet3of2]SUMMARY0FlAB0RAT0RYTESTRESUlTS-PJ5WU1\LSOlLBORINGandDEPTHleelSAMPllCLASSlfICAIION"AIURAIAllERBERGIIMIISUNCONCOMPRES_\UNITSIZ!0SPECIALWAHR-------------DRYWGISPEClfIC-;;;-r-;:-:l;IHSTSliQUIDPLASIICIlRESSSTRAINGRAYT!'>IIliMitlIMllfldICOlo'lp<ll0,RIAXIAl1---.----,------------_CEllBACKUUCIVPRESSVHPRESSURE\pIi,\PIiIt_N_D-_J__1_2_0_0_-__3_,_5i'-_1I_J1J_2_,9-1---I;----tI-------1----1----t------1:::---I1I-j-----------------------------------------:I1----t-j-----------ND-152.0-3,5ell129,2hi29I"-)____-__....__:-------1--1-;==;-j_____36.211-------_----j___SIHr..__..1-****__:.:,-;,"..-____I'J.8,i'_1I/MIfjt7Jl-950,------------------------J------_______6051__1..JL__y..ML/MI-----------I----t---.I.--::::6569_,_8---....j...._*.-----1-"2,5-211JAMENDMENT97-01AUGUST1997-,.::i TAnLE2.5-28(Cont'd)Sheet4of21SUMMARY0FlAB0RAT0RYTESTRESUlTS-PESWUl\/.SOrr,TRIAXIAlf--------------.-CEllB"CKUUCiUPR!SSUHPRESSURE{rni}(plil..oGRAIN""SPECifiC>:J:NATURAlAlT!RBERGliMITSUNCO<jUrlllSPECIAL_.._WATfRliQUIDPlAST'CSIRESSSTR"'NDRYWGTl£STSLIMITLIMitl',f)la/ojIpcf'GRAVITyCLASSlfIC"IIONDEPHII..,IBORINGandSAMPUNo1-----*,,-------1---------.-.-------j--I---I--I---1I---I--j*----t-ED-217.0-19.51'1167.5I<--------1------1---------f-----l--l--J--i--j-----i--------I*MICL/CII2.0-3.5._---------19.5-21.0WD-7WD-GWD-143.4____----------------,.,----,,--.-40.3I37.4iI39.3I----1---j-----------------CL/CII.29.7I,----..---.,"1*.....--,..-.,.,-I,*..29.7'I,I'.I---Sic:>-----------1----}'--------1--1-----------------\-1-CL262I"JI"---j-----.-------r-j---------.**f------+----,------..-1_---------------------------------------------f--I-------------------14.0-15.S----------------------]].!.1.--1--------.---------__1_------------__-__[__+.:......s.\)-G':IML24.5-----------------------1----1----------------------------.---------42.6::.-:::__--_-___________-__j_----------_j--j-------=__---_.._5.0-6.5,"'i_D-_2__:___3_.1------.------129.9-I--------------------------.---------.--*-------12.5-212AMENDHENT97-01AUGUST1997 TABLE2.5-28(Cont'd)Sheet5of215UMMARY0FlAB0RAT0RYTE5TRESULTS--P.ES1DU1\LSOjLQ.oBORINGandSAMPUNoDEPTHI",ICLASSlfICAliONGRAINSPECIALNATURALUNCal'UNITSPECifICWATERLIQUIDP1ASlICSTRESSSTRAINDRYWGTGRAVIIYTESTSLIMITliMIT111111%1\pd';;;;:CEllUUCtuPRESSURIpII)&A(KPRESSURE(p\iIiI1.---I------------r-------------".----------1----------1------lvilfv1J1f'.1L/MI2.0-3.5--.S.O-6.S11.0-12.5C-lWD--8fJ.0--9.')lv1I./f'.1JI24.')----.--..-----------I----------1j---1--------t------.---1--+----1--19.3Ii----.---------.----.-+-----.,------------1--------j-----1------41.3i84.°II:::::I1tt;2.0-.;__jn1-I'I*j.1'1])-102.0-gJLCII21.71--1--__----_-------1_S.O-6.5-----1---1---1..----------,--__JI--.1__-----1---1:'---1__-------___Q.J'lIL_______--JttjJ!*2,2J...l,Q__Ql...2.-----1------t-li-+--f--.---.-----55-5MI_....59I'_40_:0.26111_31.°--j*.__----------1---1fl.O-9.')MI.7__-1-----I__4_3_'.I__I,..2.5-213-M1ENDHENT97-01i\UGUS'l'19.97.,<I':..,<:'.\'.::') '..<1)TABLE2.5-28(Cont'd)Sheet6of21SUMMARYOFLABORATORYTESTRESULTS-HESlDUl\LmILBORINGandSAMPLENoDHlltIH'IClASSlfICAliONGRAINV'NAIURAIAII!R8IRGIIMIlSUNCONCOMPRES.IUNIISII!0SPECIAIWAIIR-----*r---------..DR¥WGISPECifiC--:.,---;:-'"IISISCONTENIliQUIDPLASTICSIRESSSTRAINII'GRAVID;:'0"-,°'01llM't'liMit11111(O/oJp<;;;;:01RIAXIA,_CEllUUCIUPRESSURE{pli)8A("PRESSUREIp1iI...--.--.-....-----1'----.-....-..I..jI47I--'--------------------.-1--*-'-"---j---..I67JJ..I32.9.-.._-...t---**-t-*---,------..MJlI'llS.O-G.514.0-15.52.D-3.5**t.-_.-----.--..__--C-2C-730.0!Irr:-g-'----:----.----------_,.0_.CI._.1.49j'O2.__-=-=-!---t----4.0-5.5Ml33.6,8739,1j'1'-lQcOcALOMI1.0CI,..2.1)-3.5'"lU1_-;-_\-------.!_I--1---j-----------__6.:2_.,_,__...__.;6.j;]=-__..._=----SOC9.5**--.--__--___.,....-.._,11.0-12*'11MJI,2B.7IGO'4GII31.4I1].J*LJ-IJ._5MJI1-43I,.-.2.5-214i\MENDNENT97-01AUGUST1997 TABLE2.5-28(Cont'd)Sheet7of21SUMMARYOFLABORATORYTESTRESULTS-m:SIDUl\l,SOILBaRINGondSAMPLENoDEPTHI..,IClASSlfICAlIONGRAINNATURAlATTHBIRGliMITSUI<CaNCOMPRES.\UNITSillaSPECIALWAIERDRYWGTSPECIfiCliSTSCONTINII,>GRAVIIYwI:;:1010\liMIr*[IMIf(11f1(%JP(:;;I0TRIAX,AIClllUUCIUPRISSUH(PillBACKPRISSURE(ptllMIl5.0-10.08.0-9.50.0-5.0III.0-12.5iC-7C-8!31.6>-j.---30.6I.-...------I:...-1-:::l-..*-+.*-----+.l--..1.-..--.i-.-1---._::.-t..1=-10.0-15.0MIl23.67150,I<I<I,..+*I------+--t'---t--+-+-....--..*----1'*------..-*-..+,".........-....-f---...=;-_.-_-.....---j---....__..---,,-_......_----_......_:..._--_...--",--...--.-.----..---......-...---.-.------+-.-------------.-------*-1*--+--1--1---------._-......,._..._..-------------.---..-------+---..1----*.-------I---t------i*----1---1-+-1-----'--1--"I..-----------.-------.-..,.--"---"--'--.._.....--------1---1---.----.-----1-'*'itot'Tell(lJ{vetI.12.5-215.,".'AHENDHENT97-01AUGUSTJ,,997..,) ......,...TABLE2.5-28(Cont'd)Sheet8of21SUMMARYOFLABORATORYTESTRESULTS-SAPHOLITEBORINGondSAMPLENoDEPTftI",IClASSI!ICAIIONIRIAXIA'_CEllUUCIUPRESSURE(pliJ8ACXPRESSUREIp,itND--4**""---1----1---------------j---t--t--t-----j--4----t--ML17.0-18.5ND-52.0-3.5----------------------,-----------11.0-11.58M-------------------------,::::------1----j-t----t------------1-----------------ND--15___8.0-9.,,17.7i-'I'_,-I----L_L__1_-f-'!1LIjILIJ..=-.Cl.-=.15...-----j-----1-_--------rl--ji-f------!---_____.-------f-----}-----__---1----------_SD-]j\._-------------------_-----1----1-----------;------,-----------......****..**.__-------,----.--I.---------f-----'---23.011_--------------1--------------------------------------------I'll....16.31---------------------------,]23.0-24.5ML22.9-----1-----------------------j-------j---l----!--(1)Penredbilitv2.5-216AMENDMENT97-01AUGUST1997 TAnLE2.5-28(Cont'd)Sheet9of21SUMMARYOFLABORATORYTESTRESULTS-SN)lDLITEBORINGandSAMPLENoDEPTHI..,,CLASSlfICAliONORAlN:;;NATURAlAITERBERGIIMIlSU'KONCOMPRES,\UNITSIZE0SPECIALWATER.-----.---T---ORrWGfSPECifiCHSTSCONlENTLIQUIDPlASTICSTRESSSIRAINIjIGRAVITY:::.0;;:(0(0)llMlflIMit'ItfJ{o/oIpt;;t0TRIAXIAlCEllUUCiUPRESSURE{p,i)BACKPRESSURE(pliIMLML14.513.9,I---1'---1---1-------t--t-..j-----f----IISD-326.0-27.5---------._----------------E[)-332.0-33.0ML---_.-..-------..-*-*----..-----------f----31.2--_...-------_.-----I----j-j-+---I-----------i--142.0-42.8[VU.,26.6._----------------------------------_.-_.----0)PcrncabiliLv2.5-217AMENDMENT97-01AUGUST199'7,"::",'.;} "1',j.,/,"TABLE2.5-28(Cont'd)Sheet10of21SUMMARYOFLABORATORYTESTRESULTS-Sl\PHOLI'l'E6'CPRE\SUR[{p,iIRIAXIAl--------CEILUUCIuPREssuu(pinGRAIN.."NAIURAIAlllRBfRGlIMIlSUNCONCOMPR£5,sUNIlSill0SPICIAIWAIIR------'j"--..----------DRYWGISPICIFIC-,;;--IISISCO>HfNILIQUIDPlASliCSIRESSSIRAINf<I'GRAV'"e:;:(%ItIMIrIIMI't"IIf%)Pr0SMI1LSWMLSWML20.0-21.538.0-19.523.0-2iJ.'126.0-27.535.0-]6.532.0-33.517.0-18.520.0-21.5----------1-,--------,,-..-..------\'lD-2BORINGI".IondDfPItiCIASSIlICAItONSAMF'UNo\'11)-110.0-11.5SM-----l5.0-l6.'1SM.jI,----.,Ii\','[)-5'Ii8.0-9.6.._-,-'-j_11.0-12._5__SM,,_118.7,,__._IH.0-1r).s,ML20.l,f;"L32.'---2.5-218AMENDMENT97-01AUGUST1997 TABLE2.5-2B(Cont'd)Sheet11of21SUMMARYOFLABORATORYTESTRESULTS-SN'R)Ll'l'EBORINGondSAMf'llNoDEPIllI..,IClASSTfICAlIONGIiIAINVINATURAlAIlERBERGIIMIISUNCONCOMPRfS.\UNIISIZE0SPECIAlWATER-------1--------------DRyWGISPECifiC'-':;;-'='::-lESISCONHNIliQUIDPlASliCSIRESSSI:AlNIpd'GRAVITY\:::;:I°10IIIMI'llMITII11JI'10)V11:0IRIAXIAl-----------CEllBACKUUCiUPRESSUREPRESSURE(pIi)IPIiI>'JD-520.0-21.5ML23.8.----------1---1-+----1---*---23.0-24.5---------------1-----------26.0-27.529.0-30.5MLML15.4-1--;-------I18.0-20.2SM_.---_._-----_..-._.__._------_._------._-32.236------------NP85.9*-.----------------'--------1------..,--.----15.8----------------._.__._----------------'---------..----....---..--......-------...----------------f----.----------------'-----'--1-*-"--.-----------_-------------------_._--------------27.415.7.....WD-714.0-15.5ML-J-------------117.0-18.5ML.----,,_..--------_._----[20.0-21.5ML--.r-------j2'1.Mf_,__.3_0_12.5-219AMENDMENT97-01AUGUST'199,71 ,:,.TABLE2.5-28(Cont'd)Sheet12of21SUMMARYOFLABORATORYTESTRESULTS-SAPBJLI'l'EBORII4GendSAMPLEDEPTH1..,I(IASIIFICAIIONGRAININAIURAlATlER!!RGlIMIlIUNCONUNITSIlE0SPECIAL---SPECIFIC----WATfRPDRYwGtu.s"<;TESISLIQUIDIASIiCSIRESISIRAIt,GRAYIlY>0...lIMI,liMIT(Idl(o/oJIp{'11('IRIAXIAI(EllUUCluPRfSSURf(pIil8A(PRESSURf\p,jI\fJl)-726.0-27.5ML24.0-+-------1----------------1-----------t--t--j-----if----11'1.0-15.5.-----------_.._---WD-fJvJD-9WD-I0WD-1410.0-1l.[J,11.8-13.31---I5.0-6.5I:11.0-12.5..2.0-3.5-------2.5-220,AMENDHENT97-01AUGUST1997 TABLE2.5-28(Cont'd)Sheet13of21SUMMARYOFLABORATORYTESTRESULTS.-Sl\PPDLITE..o30RINGondSAMPlENoDEPIHItI!'ICLASSlfICAtlONGRAIN"..,NATURAlAtlER3ERGliMitSUNCONCOMPRESSUN"SIZE0SPECIAI---SPECIfiC.--;;;--l:HSTSWAI£RLIQUIDPLAstic'TRESSSTRAINDRYWGIGRAVITY;:;eliMITliMit1111'1"!o1Ipdl'"I:TRIAXIAlcnlUU.CIUPRESSUREtp'i)&A(KPRESSURElptil14.0-15.5-------------18.3--t-+--+-+--+-+----------17.0-18.5ML17.330NP--------------_*-*---------+---1-----------jf----+---I----f----I--1-+---j----------1----122.6ML20.0-21.5----f----------------------------1----+------f------------+--1--1---____5ML._..__1_1_4_._6--1__2_91__.___126.0-27.51----.-----1__--1____:-1--------'---------------I20.0-21.'jtvlTItv1l133.9--------------------t---{--I--+----1-2.5-221<}AMENDHENT97-01",AUGUST199.7,:',:-;','!;t.':::':/ ..'":,,,"TABLE2.5-28(Cont'd)Sheet14of21SUMMARYOFLABORATORYTESTRESULTS-Sl\.PHOLlTEBORINGondSAMPLENoDEPTH"'"ICLASSIFICAIiONGRAINSPEC'LUNCONCOMPRES.\UNITSPECIFICSIlE0W"'TfRLIQUIDpt"'STICSTRESSSIR""NDRYWGT'"TESTSlIMIiLIMIT(III)1%1Ip"!GR"'VI1':;:0TRIAxtALCHLUUCIUPRESSURE{psi)BACKPRESSUREIrIiIt-'C:...'--=2c--+=-23=-.'-'0:...--=2:...:4.-:..=..5i--.:MI=-J3_o_.5__4_6__3_8.__---l--t-j--j--t--II--t----f-----____._26&-27*2.____MI,/tl.!....._......----1-----.------.-------------..-1--+--+--+--1------1----29.0-30.51----.----------.-..22.737NP._--_.-------_.---------------_*j----I-------.-......-::-:i__---1-:-:-:-:----T_*_*-'t__-t-_-+_*..-:._*-1--II_*-_-ii-_-_-*+)*---i=j-.1---11----1---------...-.-.-----*--..*-**-*-------*-1-----1---------.------------+--+----I--j--+-+--!-----I*----41.0-42.5ML/Ml-----------_.--------------------44.0-45.525.6-----'---.---+--.-----..----.---------.--f------1----1----28.6------1------1-----------------------------------1*---1----1--1-+--+_'---47.0-48.524.5.....--...-----------.-....---..----.------.-------------.---------+-------------------1--_.----.----------.---50.0-51.5ML21.0.-----.--.------.--.-------.--------------.-----1---+-**---.---------1----25.°3530.........-1--..*..--1--...-.,----......----..-.--..-----....-...----------.---------f---------..----.SMSM7.()-9.514.0-15.5.C-J._?.9_._3M_I__..._.1.1.,1.I_53__.8_1_._3._.C-54.0-5.5SM21.(,312735:'735'--25'-23.9353274.5---*+----+----*----------1----------------.-----------I2.5-222AMENDNENT97-01AUGUST1997 TABLE2.5-28(Cont'd)Sheet15of21SUMMARYOFLABORATORYTESTRESULTS_-Sl\PPOLITEeORIHGDEPIH**I..,*lHAWRAlAlTER8ERGUHCOtjCOMPRE5.\GRAIHV>LIMITUNIr0TRIAXIA'andHECIAL_.--_._._.------,,-5PEClflC:fCLASSlfICATIOHWATERDRyWGTCElL8ACKLIQUIDPLASTICSIR£\55fRAn,>otSAMPLEHoIESISCOHlEHI(ptflGRAYIIyw0UUCIUPRESSUREPRE55URELIMITLIMIII'")(°10)>-..(0/0IVl:r:0IpI;)(pliJ36.597.8C-517.0-19.4SM23.0353087.3*19.4-20.5SM19.430NP.----29.6f.----.--..------f.----C-620.0-21.5MIl25.4...----_..-------------------------..23.0-24.5ML32.545NP-----.1----.-.I.__.-.__..__._........._"._._._-----.--------_.-----------1-----t-----.----Ic26.0-27.5ML24.4I..29.0-30.5ML25.944NP--_.---C-719.0-20.5ML25.2..-----------_.,---l--.22.0-23.5ML25.24039.I--30.0-31.5ML30.325.8--------'.33.0-34.5ML30.537NP"..---_.-_.-.--I-----40.0-41.5ML23.1._-...---_._-----_.._--_.--_._--_.__..._----_.._.-----------------!.--------.-.C-815.0-20.0CL18.23121**-----..-20.0-25.0ML24.34732**,--25.0-30.01'11119.75032**--.---f---------------*SIt.1.11(vrvfl2.5-223"".\,.','AMENDMENT97-01::",:,:":,,AUGUST',:..,/,) ,I".,.TABLE2.5-28(Cont'd)Sheet16of21;',SUMMARYOFLABORATORYTESTRESULTS-SN)RJLITE80RIHGondDEPTH-1('.,SAMPH1'0ClA551FICAIIONIRIAIAII----,------__CUIBAlKUUCIUPRE55UUPRE5SURE(pail(ptjIC-o30.0-35.021.95733**C-915.0-20.0ML**------,---------------*---1-----------------1----+---1----I------1-----_30.0-35.01----1------------1--ML**---1----1---1---t---------1-----1----1**-1--1-------1-f-----1----1--1----11----1-----,--t------I----l----I-I-----i-t--+-----+--j------*--_1--+-I_+-..35.0-40.0Ivlll7446.___-7,.::I::;----------..---30.0-35.0ML------.--------------------------1----1--------1----------.35.0-40.0ML17.946fl-2-9-1---J------l---t--*-1-*t-----_--------+-._40.0-45.0ML17.04026**------_..------1----11-------------1-----1-----1----.C-ll--5.0-10.0ML-----",,----.---.----------------,,-------------------------_.-------------_.--**15.0-20.0ML41NP20.0-25.0ML43NPI<I<------------1------------------1--------------------------.-------+---11---\-----\----1i1*S(l(lTtl'Curvu2.5-'224AMENDMENT97-01AUGUST1997 TABLE2.5-28(Cont'd)Sheet17of215UMMARY0FlAB0RAT0RYTESTRESUlTS-DIXJJMIDSEDrO:::I<BACKPRE55URE{ptPIRIAXIAlCEilUU.CiUPRESSURE(pin..o<<o:I:GRAIN51ZE18.911.3NATURAlATlERBfRGIIMIISUNCONCOMPRES.\UNIISPECIAL-----------SPECIfiCTfSTSWAtERLIQUIDPLASTICSJltAINDRYWGtGRAVITYECT1IMIr1IMIT(11I){%}IP(IIl,/l20.6----------------.---------1----------1----1----BORINGDEPTH'1..1IandCLA551fICAIIONSAMPLENoND-lIi.0-12.3SMND-22.0-3.5ML5.0-6.5MLND-410.0-11.0[---._---------_.---------------.---------------------------------1----\----------.---')7.7128.8I**-----1----*----._----*119.72.64SM18.0-20.5(1)10.1---------------------------j--:....:.-f---/---+-----+---j---f----J----+-I---t-__t--f--t--t----I----I10.0ND-55.0-5.5SC/S1-1-----------1-------------..--------1----1---------------1----1------t--t---t--I--I------------2.0-3.5ND-6SCiSM13.61----+------1----------------------------------t--t---t--j---j----+---I8.0-9.5SM13.9----*---*-I-='--...:...:...:..:-=-f-----..::::.:------f-----j-----11.0-12.5SM4.5------1---I---t----I----21.5ND-74.3-4.6CL---------------.--------.---------------1-----11--1-------------'---'----------------------------------------l-----j---ND-142.0-3.0SM9.0-----------------'------------7.0-8.4S1'1(1)7.9126.6**.-'------.--.--------.------------f--------j-----j--------------1----1--t-----c------*12.0-13.8SM(1)6.1t40.12.66*I----I------f--------------------------------'-----------.---f------i---t--t----t-----ND-1523.0-24.5ML14.123NP----------1------------------.--------------------1-----1--1--1-------------_","'*S**1",Curve,(1)Perneabilitv"','.'I'2.5-225AMENDMENT97-01AUGUST1997.,.,*.,,:,',1::;:,:-)}),'.:",,'" ":lTABLE2.5-28(Cont'd)Sheet18of21SUMMARYOFLABORATORYTESTRESULTS-DEWMHlSED[{(A:Kr*'."",',"BORINGand)AMf'!IOfPTHICLAIIIII(AllaNNATURAI'AllERBERGIIMIISUNCONCOMPRIS.'UNITISPICIAIWAHR"--Tw'"flSfSCQtHENJliQUIOjPlA5ICStRESS1)("GRAVity1010I11M1111M11IIII!1°/0,J::;r0TRIA,1'1--r-(UU(iuPR'HURIIP\r!B'(,PR!SIURIlpltND-165.0-6.0SM----f-.-----'2.0-3.0:5.(}-6.517.0-7.S-t-NlJ-I'li[HlI23.f)-n.2SMMLML2.5-226,..-IAMENDMENT97-01AUGUST1997 TABLE2.5-28(Cont'd)Sheet19of21SUMMARYOFLABORATORYTESTRESULTS-DI;;c:Q\1POSEDHeCKBORINGIandDEPftt'l!.'SAMPUNoClASSIEICAIIONGRAIN_IINAIURA'AtrERBERGliMITSUNCONCOMPRIS,\UNIIISill0SPECIAlWAfER-----DRYWGISPECifiC---;;;--'1;.-liQUIDPIASIICSTRESSSIRAINGRAVIIY:>I(,IffSl$liMITLIMIT,III°/0,Ipcf'o!IRIAXIA,-r--z-Et;"--eAUlJUPRIISURI\p,ij\PIISD--826.0-26.3SM16.5I------f-----,-----1-----WD--541.0-41.815.0-17.0_S_Mt__9_.4-+-------1---1---+---!1__--j----J----5.7--__-,_-___..**.'.'.WD-98,0-9.5SM/SC,---,----------,---------,'-------------10.6---I---+---I---t----+---t---,-----.-----------------17.0-18.5---L--..--,--.--------1------WD-10II1.0-11.8S_W33c::,1------1---__+__---1----1---ML15.4-----,-------"------------.-----------------------------20.0-20.8ML18.1--------------------------,-------------+-----------------,\---j--,--------1-----------------!23.0-21.7ML15.1"I-------,-----j---------------WD-ltl'J.O-6.510.0-11.210.3----------------.----------------.-------------I----t-----j---+--j---I---,f----+-5.3----------------------------..------------------------1----f-----I----------,-,I".",..'2.5-227""AMENDMENT97-01AUGUST1997,,"',',," !-TABLE2.5-28(Cont'd)Sheet20of21SUMMARYOFLABORATORYTESTRESULTS-DEc::c:MroSEDfo::J\BORINGondSAMPlENoDEPTHI..,ICLASSIEICATIONIRIAXIAICUtUUClUPRISSURI(pli)BACKPRISSUREIplil12.858-429.0-29.2SM------------..---------------------------------+----1----1----------_c_-_32_.0_-_3_3_.J_"S_M--I1_8_.0,_--+--+-I-+-+---!---ISM35.0-36.314.726NP------------------------------------------------------------1--------20.2ML56.0-56.8C-2I--\1------------J1--1--------.---,-_-iI--"C:...-::..5_12_4_._0-_2_5_._0S_M-+-_--t_1_8_.-0-t---+----1-------+,--____28.1SM__+1-+---1--1--1----------------------------------------------------f------------1-1-_'_+1_-+1--_--------------------------------------------------------------------------J'----II---I-----I--+--I-----------_--------------------------------------------------------------+----j----I--+-h-I---1--+-+-----4--------..----------------------1---_1_--------1---_-_----..*--_1-_-__-----t_-_-_-__---====:=.------------1---------------4----1---+--4-----------------------1---1------11-------2.5":228AMENDMENT97-01AUGUST1997 TABLE2.5-28(Cont'd)Sheet21of21\SUMMARYOFLABORATORYTESTRESULTS-11J'1'l\CI'IDCl\GRAIN!!lIRIAXIAISORINGNATURAlAHERIERGliMITSUNCONCOMPRES.\UNI'SIIEaSPEC'AI------SPECifiCwandOf:PTH.f**'CIASSIfICATIONWATERDRyWGI"Clll'ACXlESTSliQUIDHASIICSTRESSSIRAINGRAYIIYQ(iuSAMPlENoCONTfNI(p,fI...LUUPRfSSURIPRESSURf(°/0)11M"liMIT(I"I("!olV>:I:0(P';)lpIiIND7-2169.0(1)150.1-----------NO7-3169.0(1)176.4._-----------e----NO7-4169.0(1)179.5-----SD1-132.0-37.0(1)185.2._'._-.--._--------'.'.-"---------..------------_.ISD1-232.0-37.0..ill..-..185.4SO1-332.0-37.0(1)175.5---SD1-432.0-37.0(1)176.3--I--------.,_....---------.-----....-_.._-------------------._._-----------------_.----'--------..----f---1-------j>lS**T..f(urY/l1li(1)SonicVelocity'.'"."('..'.,.".,.....r.",','2.5-229:"..\AMENDMENT97-01AUGUST1997::.)" 2.5-230AMENDMENT 97-01AUGUST 1997TABLE 2.5-29PHYSICAL PROPERTIES OF COLLUVIUMPropertyRangeAverageNumber of TestsNatural Water Content, %11.5 to 29.921.231Liquid Limit, %21 to 39306Plasticity Index, %4 to 1296Unit Dry Weight, pcf87.5 to 110.8102.09Specific Gravity2.672.672 2.5-231AMENDMENT 97-01AUGUST 1997TABLE 2.5-30PHYSICAL PROPERTIES OF RESIDUAL SOILPropertyRangeAverageNumber of TestsNatural Water Content, %5.6 to 60.430.989Liquid Limit, %47 to 876124Plasticity Index, %5 to 482024Unit Dry Weight, pcf67.5 to 102.082.511Specific Gravity2.652.651 2.5-232AMENDMENT 97-01AUGUST 1997TABLE 2.5-31PHYSICAL PROPERTIES OF SAPROLITEPropertyRangeAverageNumber of TestsNatural Water Content, %7.6 to 44.722.0133Liquid Limit, %29 to 744247Plasticity Index, %0 to 28647Unit Dry Weight, pcf69.8 to 99.986.714Specific Gravity2.67 to 2.692.682 2.5-233AMENDMENT 97-01AUGUST 1997TABLE 2.5-32PHYSICAL PROPERTIES OF DECOMPOSED ROCKPropertyRangeAverageNumber of TestsNatural Water Content, %4.5 to 22.912.549Liquid Limit, %23 to 26242Plasticity Index, %002Unit Dry Weight, pcf97.7 to 128.8122.65Specific Gravity2.64 to 2.662.652 TABLE 2.5-33 SHEAR STRENGTH PROPERTIES OF FOUNDATION SOILS Total Stress Parameters Stratigraphic Undrained Shear Strength, Cu (psf) Number of Horizon Minimum Maximum Average Tests Colluvium 600 2220 1210 4 Residual Soil 260 1940 935 9 Saprolite 440 5920 2530 9 Effective Stress Parameters Stratigraphic Horizon Test Series Effective Friction Angle, (degrees) Effective Cohesion,c(psf) Colluvium SD-5-Series 2 25 660 SD-5-Series 3 25 1760 Saprolite C-5-Series 1 36 0 C-5-Series 2 36 0 Decomposed ND-14-Series 1-2 41.5 0 Rock ND-14-Series 3 38.5 0 2.5-234 Reformatted Per Amendment 02-01 TABLE 2.5-34 ONE DIMENSIONAL COMPRESSION PROPERTIES OF FOUNDATION MATERIALS HORIZON TEST NUMBER WATER CONTENT (%) INITIAL VOID RATIO C'r C'c C's Po (tsf) Pc (tsf) Pc / Po C/Po SD- 5 ( 2') 18.4 0.51 0.007 0.08 0.016 0.1 1.0 10- SD- 5 ( 6') 24.3 0.68 0.015 0.10 0.023 0.23 2.0 9-Colluvium SD-9b( 7')19.70.570.0070.080.0130.355.0 140.9SD- 9b(10') 14.30.500.007 0.084 0.015 0.42 5.0 122.6 SD- 9d( 4') 23.1 0.68 0.008 0.097 0.016 0.26 3.0 112.0Residual WD- 8 ( 2') 36.00.970.0130.120.0280.172.0 125.7 ED- 2 (12') 49.5 1.390.0070.230.0260.755.0 7-Saprolite ED- 2 (27') 55.01.390.0120.220.0211.574.0 2.50.8 WD- 6 (10') 22.6 1.150.0130.190.0250.552.0 3.65.4 ND- 4 (10') 28.3 0.6910.0080.100.0160.352.0 5.7DecomposedRock ND- 4 (18') 15.0 0.377 0.058 0.009 0.75 4.0 5.3ND-14(7')7.90.3110.0060.0370.0080.553.0 5.5ND-14(12')3.90.1850.0060.0240.0080.904.0 4.5 02-01 02-01 C'r = Recompression index, unit strain basis C'c = Virgin compression index, unit strain basis C's = Swell index, unit strain basis Po = Existing overburden pressure Pc = Estimated maximum preconsolidation pressure C = Cohesion as determined from undrained shear strength 2.5-235 Reformatted Per Amendment 02-01 TABLE 2.5-35 RESULTS OF CYCLIC TRIAXIAL TESTS ON UNDISTURBED SAMPLES OF COLLUVIUM No. of Cycles to Cause

Boring No. Sample No. Moisture Content (%) Dry Density (pcf) Confining Pressure 3 (psf) Peak Cyclic Deviator Stress, (1) d (psf) Stress Ratio (1) d 23c Initial Lique- faction 5% Strain 10% Strain BSD-SC

1-(Lab A)22.2104.2300025050.417424600.4121.524300.405301-(LabB)20.2109.2300028200.47427900.46511.527000.4517.51-(LabC)20.1110.8600048000.40446800.397.6-BSD-9C1-(Lab A)24.3100.5150013500.45813200.44394402-(LabA)20.8106.77507050.47176900.46560(2)-3-(LabA)14.4117.3150012450.41515610(2)-3-(LabB)17.2110.1300025500.425825050.4173524600.4163BSD-9D3-(Lab A)17.4112.37506000.4030600(2)-3-(LabA)18.1110.1300025200.42424750.41214.524150.40237.55-(LabB)19.9108.7600049800.4154.78.548900.407145-(LabC)22.5106.1300027150.4524.510.526250.43825 02-01 NOTES: (1) Cyclic deviator stress varied slightly during tests. Values reported are the average values for the number of cycles corresponding to initial liquefaction, 5% strain, and 10% strain. 02-01 (2) Extrapolated values 2.5-236 Reformatted Per Amendment 02-01 TABLE 2.5-36 RESULTS OF CYCLIC TRIAXIAL TESTS ON UNDISTURBED SAMPLES OF SAPROLITE No. of Cycles to Cause

Boring No. Depth (ft) Moisture Content (%)

Dry Density (pcf) ConfiningPressure 3c (psf) Peak Cyclic Deviator Stress, d (psf) Stress Ratio d 23c Initial Lique- faction 5% Strain 10% Strain C-5 12-14 27.585.13,0002,6400.4401.83.66.6SS-1 18-2020.991.33,0002,8800.4802.914.222.5ED-3 34-3616.894.83,0002,7500.4582.15.611.3ED-342-4430.890.26,0005,2000.4342710 02-01 2.5-237 Reformatted Per Amendment 02-01 TABLE 2.5-37 CYCLIC STRENGTH CHARACTERISTICS OF IN SITU SOILS Confining Pressure 3 (psf) Laboratory Stress Ratio Causing 5% Strain, d 23 Factor Correction Cr Field Stress Ratio Causing 5% Strain, (1) 10 Cycles 20 Cycles 10 Cycles 20 Cycles 750 0.51 0.49 0.80 0.41 0.39 1500 0.485 0.46 0.79 0.38 0.36 3000 0.43 0.41 0.75 0.32 0.31 6000 0.39 0.365 0.72 0.28 0.26 02-01 Note:

(1)  = cyclic shear stress   = effective normal pressure    2.5-238 Reformatted Per   Amendment 02-01 TABLE 2.5-38  SHEAR WAVE VELOCITIES AND MAXIMUM SHEAR MODULI FOR FOUNDATION MATERIALS  Horizon  Shear Wave Velocity (ft/sec) Maximum Shear Moduli (ksi) Intact Rock  7400 to 8000 1896 to 2277 Decomposed Rock 1500 to 2300 65.5 to 154 Saprolite and Transported Soils  835 to 1125  19.5 to 35.5   2.5-239 Reformatted Per   Amendment 02-01 TABLE 2.5-39  SONIC VELOCITY TEST RESULTS   Sample  Vp (ft/sec) Vs (ft/sec) G (ksi)   E (ksi)  (pcf) ND 7-2 15598 8063 2104 .318 5546 150.1 ND 7-3 13066 7302 2028 .273 5163 176.4 ND 7-4  15401 8028 2494 .313 6553 179.5 SD 1-1 14795 8430 2838 .260 7151 185.2 SD 1-2 16404 8622 2971 .309 7780 185.4 SD 1-3 10555 6503 1599  3821 175.5 SD 1-4 12836 7783 2303 .209 5569 176.3  Vs = Shear wave velocity E = Young's Modulus Vp = Compressional wave velocity  = Unit Moist Weight G = Shear modulus  = Poisson's Ratio  Note:  

(1) All tests conducted without axial or confining stress on sound rock cores. 2.5-240 AMENDMENT 97-01 AUGUST 1997 bUtlllAltY'O)<LAnbttNi'ORYTFSTRESULTSSUMMARYOFLABORATORYTESTRESULTS-BOHROWSOUHCEr!80RINGandSAMf'lfNoOfrIHI<.lA!t"IfI(AflONTO.AIN_l'"NAlUaAIAITUIIAG""ISUNCONCOM'RIS-\SIZf0SPI(IAI-----._-------.---SIIRIH'AGIS'!CIIIC1-'---IWAJf.u.o*IBISCONlINIlIQUID'IASIICSrllHSIRAINt""1vlAYllrI;;:I0/0I11MIflfMI'(f.f)(°10Jv;x0IaIA.IA,----CUIIA(*zUUCiU'UBUU"fHUR'0u(pi;),pli.'(Ncte1)MH-MLr'1L-SMMLMLSM-MLo-15.0.7.5-10.05.r)**O.O(5.0-JO.O,Ij]O'F-1II::43,5,F-3'_Bagj0IRES-1F13-1T-=-)1\G-lF-II.['-1F-IIB-2-_..-F-13LfO.0-15.01__-SM___0_S1'.'1._._r-15I!B-1__SM._._F-1513-:'*1O.0-45.0!SM--_.-t-I'*5**1...,(urvf>\(1)Permeability(2)TorsionNote1-Testsa,"pll'consistsofcombinationofselectedsamplesderivedfroll'adepthofato15feet(13samples)fromBoringsF-lthroughF-42.5-241AHENDMENT97-01AUGUST1997'.J)',",', ...,....,;TATILE2.5-40(Cont'd)Sheet2of6,.;:'SUMMARYOFLABORATORYTESTRESULTS-IlORRO\vSOURCEGiIGlOb,,"NATURALA!IfR8fRGlIMIHUNCONCOMPRfS,'iGRAINBORIHGUNI!SIIf0!RIAXIAlSPECifICandNJOfPTBt..,,CLASSlfICAlIONWAfERDRYWG!w"0(ElLI.ilIlitLIQUIDPLASlICSTRESSS!AAIN>'".-BACKSAMPLfCONTENT(pellGRAVITYw0...ZUU.CIUPRESSUREPRESSUREL1MI!LIMIT("'I(O/oJ>-0{°foJ1:0V(p.;)(p,ilTBG-2:>-315.0-16.5*,,>I*f-------"---_.--,-6:W.0-31.S*-_.--_.-_._-----------_.----5-84U.O-41.S*I..--_._.---.----_._-----------.---,---------------,...-------_.---c---IlBG-3IS-15.0-6.5(II28...5127I5-315.0-16.S28.76041**\--_._.---.5-S25.0-26.5SO45**_....-C;*R40.0-41.5**--...S-:l45.0-46.5SM*-_.---_..THG-S5-15.0-6.524.95(l36---S-210.0-11.526.2S43::--Bag20.0-25.02.73**-----_.--------,--------S-S25.0-26.5*---Bv"i)5.0-40.0**II--:45.n-SO.OBJgML**II.-'ofSe.1."Co,...2.5-242AHENDMENT97-01AUGUST1997 TAlILE2.5-40(Cont'd)SheetJof6SUMMARYOFlABORAT0RYTESTRESULTS-l\OIU(()\.JSOUHCEG6JR'NGINAIURAIAIIERBERGliMitSutKONCOMPRESSGRAIN'"UNilSIZE0IRIAXIAlFin",ge-----SPECifICJandOfPIH.fICIASSlfICAJIONWATERDRYWGJw;fliQUIDPlASIICStRESSSJRAIN>atCEllaACKLi11\it.GRAVIlY0..ZCIUSAMPLENoCONlfNt(ptf)w...UU.PRESSUHPRESSURE11MIIliMit(,,,)(ala)>-0'-----...(ala)V>1:0U(p.;)(pI;'TIIC-7S-315.IJ-16.54442**I.-Bag40.0-45.0**IT13C-85-15.0-6.528.26533**__.-..'---.5-315.0-16.527.3**I.--._--._--.__-4____.__------------_.c--..----IS-7A35.0-35.522.33527**IIi-------S-7B35.5-36.5I37.16654**iTBG-I0IS-l5.0-6.5(II22.551285-315.0-16.5t-IL22.S20.34536A5-735.0-36.55M23.920NP**TBG-12S-."iIe;0-I()c;6()60**_.-------S-525.0-26.522.9*S-630.0-31.526.344NP._-_..-----I.-Bag30.0-35.0**Bag40.0-45.0ML*IT13G-145-210.0-11.5'ML35Nil*s**le,'Curv.,,.2.5-243':.',1AMENDMENT97-01AUGUST1997 TABLE2.5-40(Cont'd)SheetI,of6SUMMARYOFLABORATORYTESTRESULTS-130SOURCEGGRAIN'"BaRINC.NATURALATIERBERGLIMITSUNCONCOMPRESSUNITSIZEaTRIAXIAIShrinkageI-SPECifiCanq1'1PIHferICLASSIFICAliONWATERDRYWGTw:lOliqUIDPLASTICSTRESSSTRAIN>'"CEllBACXLilidtGRAVtTY0...ZCIUSAMPLIr-H*CONTENI(pel)w...UU.PRESSUREPRESSURElIMITLIMIT(I")(0/0)...a'--....(0/0)'"I:0V(p.i)Ip.ilTBC-14S-35242**S840.0-41.52,RI**----TB(;-ISS-15,0-6.5Mil26.253411------__._--s-.)15.0-16.5**---._----.-------"-..-----._---------.-'---------I--------,._-,iS-420.0-21.5**iBag20.0-25.0**I5-735.0-36.58M2.64**.-------I-Bag35.0-40.0ML**TBG-16Bag5.0-10.n**Bag25.0-30.0**----TBG-17S-I5.0-6.5ML24.425.94833--S-315.0-16.5*Bag35.0-40.0**TBG-20S-15.0-6.523,453318-2lO.O-II.S29.86944*s**lesl(vrv..,2.5-244AHENDHENT97-01AUGUST1997 'rATILE2.5-40(Cont'd)Sheet5of6SUMMARYOFLABORATORYTESTRESULTS-BOI{((OwSOURCE(;,----NAIURAIAJIERftERGIIMIISUNCONCOMPRES.)GRAIN'"0BORINGUNIISIIE01RIAXIAI-----SPECifiCandDEPTH,....,CIASSlfICAIIONWAl..DRYWGTu,:ECEIlBACXL'STRESSSHAIN>'"LindtGRAYIIY0>--ZSAMPLENoCONTENT(010)Ipc"w....0UU(IUPRESSUREPRfSSURE(010)I""lIMll(I")'"l:0V(pli)(plil'BG-23S-I5.0-().5ell----2S.2S323-S-2J0.0-11.533.728.2--------8-525.0-26.5I34.0flO5Ij**----"------"-----8-735.0-36.5*.-+-----,--.----_._---------_.-----------------------;---i:ITPG-45.ILIll.0.I28.056382.72**----'1'1'(,-99.0-10.0S3312.71**!-------'ITJ!G-IlS2382.83**-----TI'(;-188.0-12.057412.79**.'l'PG-2110.0-13.0NPNP2.69**---9.0-12.0NPNP2.84**-5234*TPG-'?*112.0-15.02.81*--1'l'I'G-25U.v.;.027.546332.77**--t--I*s**le.'CuneiAMENDMENT97-01AUGUST1997\) '.','"*1',....:.TABLE2.5-40(Cont'd)Sheet6of6.:'SUMMARYOFLABORATORYTESTRESULTSIlOIUW\JSOURCEG!GRAIN:!80RAlTERB!RGliMITSCOMPRES.\UNilSIIE0IRIAUAlSPEClALSPECifiC::E§-----ondDEPIlifeICLASSIfICAliONWATERDRYWGIwCULBACKLIQUIDPlASIICSIRESSSrRAIN>'"IESISCONTENIIpellGRAYIIYwa.-ZUUCIUPRESSUUPRESSURESAMPLENo>-...01010ILIMIIIIMilI"II(%,V>r0v(plil(plil6636*TPG-24lIhhPImixture(1)6737-----Sfl30I---_.i--67I396328-----------------------------------------III!1-----I;-r._.-----------_._---,---_..------..-----------------,!Ii1'1'G=-115937*1IIntermediatePImixture(I)5835-----1--l-----62376240I.,._----------------...-,--,-----------I,I---t----,I----r-,IBag1439.2J____1-7('_,_2.71""*""----I:I----------------r--S9------35*Bag2445.2(2)I64382.7{I1<***------------.-----_._---M---Bag3439.656372.82*'**iBag1&.<*mixtUrE(2)6336**Seele.'(1)Torsion(2)Pern,eabilitv2.5-246A!'1ENDHENT97-01AUGUST1997 2.5-247AMENDMENT 97-01AUGUST 1997TABLE 2.5-41PHYSICAL PROPERTIES OF BORROW MATERIALResidual soilPropertyRangeAverageNumber of TestsNatural Water Content, %22.5 to 29.826.08Liquid Limit, %46 to 695518Plasticity Index, %12 to 322118Specific Gravity2.77 to 2.842.802SaprolitePropertyRangeAverageNumber of TestsNatural Water Content, %20.8 to 37.125.715Liquid Limit, %35 to 664715Plasticity Index, %0 to 12615Specific Gravity2.64 to 2.812.7810 2.5-248Reformatted PerAmendment 02-01TABLE 2.5-42SHEAR STRENGTH PROPERTIES OF LABORATORYCOMPACTED BORROW MATERIALTotal Stress ParametersTest SeriesC(psf)u(degrees)F-11,32018.5F-32,00019.4RES-1F3,70015.4F-72,20019.7F-152,00015.0Effective Stress ParametersTest SeriesC(psf)(degrees)F-7A55024.0F-1370021.0Int. PI23030.0High PI23028.0 2.5-249Reformatted PerAmendment 02-01TABLE 2.5-43RESULTS OF CYCLIC TRIAXIAL TESTS ON ISOTROPICALLY CONSOLIDATED RECONSTITUTED SAMPLESNo. of Cycles to CauseConfiningPressure,3 (psf)SampleNo.MoistureContent%DryDensity(pcf)Peak CyclicDeviatorStress. (1)d(psf)StressRatio, (1) d 23InitialLique-faction 5%Strain10%Strain7501718.3107.28100.5441 1000(2)---1818.2107.36300.4283 1000(2)---1500117.5108.011850.3954612800.425900(2)---617.8107.713850.462515800.52548 1000(2)717.6107.913200.44915000.5052 1000(2)3000217.7107.824600.4116.270317.8107.726700.44513.927300.45515.7518.2107.423200.3854.821.7 1000(2)6000418.0107.549200.4112.18.1844600.37213.7131217.9107.642000.353.19.841000.34235NOTES(1)Cyclic deviator stress varied slightly during tests. Values reported are the average values for the number of cycles corresponding to initialliquefaction, 5% strain, and 10% strain.(2)Extrapolated values. 02-01 02-01 02-01 2.5-250Reformatted PerAmendment 02-01TABLE 2.5-44RESULTS OF CYCLIC TRIAXIAL TESTS ONANISOTROPICALLY CONSOLIDATED RECONSTITUTED SAMPLESNo. of Cycles to CauseConfiningPressure,3 (psf)Consoli-dationRatioKc = 1 / 3SampleNo.MoistureContent%DryDensity(pcf)Peak CyclicDeviatorStress. (1) d(psf)Peak CyclicShear Stresson FailurePlane (1) (psf) 5%Strain10%Strain4001.52318.1107.54101702000(2)---2418.1107.657024015 1000(2)2.02518.0107.659025034 1000(2)2618.1107.46752859.5 1000(2)7501.51618.2107.475533060 1000(2)2117.8107.7106544511111046514315001.51118.1107.415006351115106401701319208103.31980840252.01418.1107.420508451.6209086511.51518.5107.115006306.6154564513030001.5917.9107.6259010804.22640112024.81018.0107.5298012501.5301012657.4NOTES(1)Cyclic deviator stress varied slightly during tests. Values reported are the average values for the number of cycles corresponding to initialliquefaction, 5% strain, and 10% strain.(2)Extrapolated values. 02-01 02-01 2.5-251Reformatted PerAmendment 02-01TABLE 2.5-45RESULTS OF STRESS-CONTROLLED CYCLIC TRIAXIAL TESTS ONINTERMEDIATE RESIDUAL SOILS (1)TestNo.Initial EffectiveConfining Pressure3c (psf)KcCyclicStress Ratio d/23cNumber of CyclesRequired to Cause5% StrainC-I1230001.50.4369C-I960001.00.348381C-I1060001.00.3853-1/2C-I1360001.00.3843-1/2O-I160001.00.3613O-I260001.00.3456O-I360001.00.3396O-I460001.00.31611-1/2NOTE:(1)PI approximately 19 2.5-252Reformatted PerAmendment 02-01TABLE 2.5-46CORRECTION FACTORSConfining Pressure,3 (psf)CorrectionFactor, Cr1500 or less0.8030000.7060000.65 2.5-253Reformatted PerAmendment 02-01TABLE 2.5-47SPECIFIED GRADATIONS OF FILTER MATERIALSZone 1 FilterSieve SizeUS Standard MeshPercent Passing byDry Weight3/4 inch100No. 475 - 100No. 1050 - 85No. 4010 - 50No. 2000 - 5Zone 2 FilterSieve SizeUS Standard MeshPercent Passing byDry Weight6 inch1003 inch75 - 1001-1/2 inch40 - 853/8 inch15 - 60No. 100 - 10 02-01 2.5-254AMENDMENT 97-01AUGUST 1997TABLE 2.5-48SPECIFIED GRADATIONS OF RIPRAPZone AZone BSizePercent FinerSizePercent Finer(inches)by Weight(inches)by Weight30100181001840-901235-851225-60610-4030-1030-10Zone CRock Size in Inches for a Specific Gravity Range ofPercentPassing2.55 to 2.652.65 to 2.742.75 to 2.842.85 and Upby Count(1)45433937100(2)3937343290-100(3)333129270-5Zone DSizePercent Finer(inches)by Weight301001840-901525-6080-10 2.5-255AMENDMENT 97-01AUGUST 1997TABLE 2.5-49PROPERTIES USED FOR DEFORMATION ANALYSISYtSBCvC'cC'rMaterial(pcf)(%)(ft2/day)Embankment120830.234.000.054 toNA0.064Saprolite1051001.0NA0.220.012Decomposed1391001.0NANA0.007RockNA = Not applicableYt = Total unit weight S = Degree of saturation B = Pore pressure parameter Cv = Coefficient of consolidation C'c = Virgin Compression index, unit strain basis C'r = Recompression index, unit strain basis 2.5-256Reformatted PerAmendment 02-01TABLE 2.5-50SELECT FILL PLACEMENT TESTING PROCEDURES AND FREQUENCIESPlacement TestASTM DesignationTest Frequency (3)Moisture ContentD 2216 or D 1556 (1)C, D, HGradationD 422F, IAtterburg LimitsD 423, D 424F, ISpecific GravityD 854F, JCompaction StandardD 1557, Method AF, G, JIn-Place Density TestD 1556 (2), D 2922A, B, C, D, E, FNOTES:(1)After calibration, the Speedy Moisture Tester can be used in lieu of ASTM D 2216,provided at least every tenth test is checked against ASTM D 2216.(2)After calibration, the Troxler Nuclear Method, ASTM D 2922, can be used,provided at least every tenth test is checked against ASTM D 1556.(3)Test frequency letter designations are as follows:A - In areas where degree of compaction is doubtful.B - In area where earth fill operations are concentrated.C - At least one for each earth fill shift. D - One for every 2,000 cubic yards of fill for control. E - For record tests at location of any embedded items. F - Where material identify is questionable. G - One point test for field density tests as needed. H - Where soil appears too wet or too dry. I - One for every 12,000 cubic yards for record and control.J - One for every 50,000 cubic yards for record and control. 2.5-257Reformatted PerAmendment 02-01TABLE 2.5-51SUMMARY OF CONSTRUCTION CONTROLPHYSICAL PROPERTY TESTS ON SELECT FILLMAXIMUMMINIMUMAVERAGENUMBEROF TESTSSPECIFICATIONREQUIREMENTSNORTH DAMLiquid Limit (1)6150547 70Plastic Limit (1)5343477N/APlasticity Index (1)11377 25Specific Gravity2.882.672.7450N/ASOUTH DAMLiquid Limit (1)6753585 70Plastic Limit (1)5444475N/APlasticity Index (1)175105 25Specific Gravity2.882.692.7425N/AEAST DAMLiquid Limit (1)5751537 70Plastic Limit(1)4839447N/APlasticity Index (1)186107 25Specific Gravity2.852.722.7610N/AWESTEMBANKMENTLiquid Limit (1)6845559 70Plastic Limit (1)5338459N/APlasticity Index (1)15699 25Specific Gravity2.862.592.7052N/A 2.5-258Reformatted PerAmendment 02-01TABLE 2.5-51 (Continued)MAXIMUMMINIMUMAVERAGENUMBEROF TESTSSPECIFICATIONREQUIREMENTSBORROW SOURCECONTROL TESTSLiquid Limit (1)70435721 70Plastic Limit (1)58284421N/APlasticity Index (1)2841321 25Specific Gravity2.932.622.7753N/ANOTE:1.Data excludes all nonplastic test results:North Dam- 69 testsSouth Dam- 24 testsEast Dam- 3 testsWest Embankment- 47 testsBorrow Control- 50 tests 02-01 02-01 2.5-259Reformatted PerAmendment 02-01TABLE 2.5-52TESTING REQUIREMENTS FOR ZONE 1 FILTER MATERIALSPre-QualificationTestPlacementTestASTMDesignationTestFrequency (1)Gradation--C 136A, BSpecific Gravity--C 128B--GradationC 136A, C--Specific GravityC 128C--Compaction Standard (2)D 2049A, D--In-Place Density Test(horizontal filter only) (3)D 1556CNOTES:(1)Test frequency:A - Where material identify is questionable.B - One at each quarry source prior to delivery to site. C - One for every 8,000 square yards for record and control.D - 8 tests in horizontal filter materials for each dam.(2)Minimum density to be determined by ASTM D 2049. Maximum density to bedetermined by the Department of the Army, EM 110-2-1906, Appendix XII,"Maximum Density of Cohesionless Soils, Modified Providence Method."(3)Relative density to be determined from results of in-place density test andcompaction standard data. 02-01 02-01 2.5-260Reformatted PerAmendment 02-01TABLE 2.5-53ZONE 1 FILTER FOR HORIZONTAL FILTER BLANKETSSUMMARY OF BULK SPECIFIC GRAVITY ANDIN-PLACE DENSITY TESTS (1)Bulk SpecificGravityRelativeDensityMinimum Specification Requirement2.5075.0 %Minimum Test Result2.6275.6 % (1)Maximum Test Result2.67106.7 % (1)Average Test Result2.6595.6 %Number of Tests2114NOTE:1.Data range is wide because the number of coverages by compaction equipmentvaried from four to nine passes and often compacted the materials to densitiesgreater than could be achieved using the specified ASTM procedure. 2.5-261Reformatted PerAmendment 02-01TABLE 2.5-54ZONE 2 FILTER MATERIAL TESTING PROCEDURES AND FREQUENCIESPre-QualificationTestPlacementTestASTMDesignationTestFrequency (1)Gradation--C 136BSpecific Gravity--C 127BSodium SulfateSoundness--C 88BLA Abrasion--C 535B--GradationC 136A, C or D--Specific GravityC 127E--Sodium Sulfate SoundnessC 88C--In-Place Permeability (3)By EngineerENOTES:(1)Test frequency:A-Where material identity is questionable.B-One at each quarry source prior to delivery to site. C-One for every 8,000 square yards for record and control. D-One from the conveyor belt for every 2,000 cubic yards produced for recordand control.E-Eight tests in horizontal filter materials for each dam.(2)Minimum density to be determined by ASTM D 2049. Maximum density to bedetermined by the Department of the Army, EM 1110-2-1906, Appendix XII,"Maximum Density of Cohesionless Soils, Modified Providence Method."(3)For record and control on horizontal filters only.(4)Relative density to be determined from results of in-place density test andcompaction standard data. 02-01 02-01 2.5-262AMENDMENT 97-01AUGUST 1997TABLE 2.5-55ZONE 2 FILTERSUMMARY OF BULK SPECIFIC GRAVITY ANDSODIUM SULFATE SOUNDNESS TESTSBulk Specific GravitySodium Sulfate LossSpecification Requirement2.50, minimum10%, maximumMaximum Test Result2.723.5%Minimum Test Result2.670.1%Average Test Result2.691.08%Number of Tests2016 TABLE 2.5-56 SUMMARY OF IN SITU PERMEABILITY TEST ON HORIZONTAL DRAINAGE BLANKETS North Dam Specification Requirement, cm/sec K 1.0 x 10-3 Maximum Recorded Value, cm/sec K = 198.0 x 10-3 Minimum Recorded Value, cm/sec K = 1.4 x 10-3 Average Value, cm/sec K = 71 x 10-3 Number of Tests 8 South Dam Specification Requirements, cm/sec K 1.0 x 10-3 Maximum Recorded Value 218 x 10-3 Minimum Recorded Value 10 x 10-3 Average Value 59 x 10-3 Number of Tests 8 2.5-263 AMENDMENT 97-01 AUGUST 1997 TABLE 2.5-57 RIPRAP TESTING PROCEDURES AND FREQUENCIES Pre-Qualification Test Placement Test ASTM Designation Test Frequency (1)Gradation -- Special Procedure B Specific Gravity

-- C 127 B Sodium Sulfate Soundness 
-- C 88 B LA Abrasion 
-- C 535 B --

Gradation C 136 for < 6 in. Visual 6 in. A, C -- Specific Gravity C 127 C -- Sodium Sulfate Soundness C 88 C NOTES: (1) Test frequency:

A - Where material identify is questionable. B - One at each quarry source prior to delivery to site. C - One for every 12,000 cubic yards for record and control. 2.5-264 AMENDMENT 97-01 AUGUST 1997 2.5-265AMENDMENT 97-01AUGUST 1997TABLE 2.5-58RIPRAP SUMMARY OFBULK SPECIFIC GRAVITY ANDSODIUM SULFATE SOUNDNESS TESTSBulk Specific GravitySodium Sulfate LossParticle Size--1 1/2" to 3/4"3/4" to 3/8"Specification Requirement2.5010%, Maximum10%, maximumMaximum Test Result2.758.1%6.8%Minimum Test Result2.620.0%0.6%Average Test Result2.701.9%2.5%Number of Tests121616 "-,'.".Ti\IILE2.5-5()(IIct()fIl)SUHHARYOFBLOCKSAMPLETESTREStl1.TSFORHIOe.SkHPIEHD.COOROIHATElOCATtOH1'\,\lltIH.I!\fllUIM>-*'IIIHB(HGlIHilSci....!Ilv.will..51'IClIlC'""ITCOHl'.HU.URyOPl.PlRCI"ISlZf-J-J(IICOHIIHIDRYWGf.SID.Df.SIll.-._""-0i)GkAYIIrI><JISI.COHP.....w."(ql.l.P.l.P.1.S.l.(pellHD.(pelIIII;V8Vl:l:UUSERifScTuSfRI£S¢C(deg)(pst)OTllfRTESTSOOl'E:ri11rmnvrrlduetoadverse""",therandrroistureconditions,80019.092.780*91.709.000.309.3_._----------t---II---j---j-------I26.65'),16IJ9).368100.625.526.092.360100.62*1.520.027.592.400;J3.820.020.791.7U*103.020.0.0.092.780103.020.0-.-l-----.---------------.--jIb.1)JJ8.0N-l'l,!.,.'hLJ,\j(jS,A5Blns-(,lij)S-----------'-------lle50i1antCo!t$1V)600Dispp.rsionbySCSProce.::}uresPiniJoledispersior'-)-0---2-.0-1---9-9-.-0---72--10-6.-0"--10-.-5--9-)-.-4--;-61------------t-Re-.-so-na-n-t-Q>..:.....It-..-,n--108.060100.6[;7.4121.592.960100.b2,.5\j2.)lOOO%.8611100.025.5%.422.74'}68100.625.%.0----------._-------------_.-----f-.--45I-IJOH2.759Ill.500JOJ.O20.080.4I95.000Ird.B]0.092.325.696.880IGJ.U20.093.)09.3.JJO.O25.25924.626.4J*U.;)23.457H022.7554114:'J.(,22.421.225.I23.622.047-----'--_._----_.-----')J6.010.448lij\.S-14tH7J.?l2lij..s-810'0>-12N17J,2'illr:1,905.841SCSriispersionPinlnl",.dispersion--.---*--1-*-+---1------1Disl.crSll:m11/SCSPrcx;cxJurcPlnhclt*["sperslor'rest-----100.723.U91.2.7J122.0100.7n.u115.9:lOOO100.723.194.2100.72J.U92.1100.72J.U92.0F.l,905,049-----.---------_.---'----1---1--J*IO.O21.157,11J(,122.7191.06721.1[<.56721.1"4.96722.1:,2.767El,905,052---._--'il.S(".----'-------.._._._---------1--*("--1'**,-----....----,-----J,011lInS-lb11l"-15".SEETfSTCIIRVES"2.5-266AMENDMENT97-01AUGUST1997 TABLE2.5-59(Sheet2ofR))ltlalnnlstnrecontentscOllpntf.\1aftertestJn()SUMMARYOFBLOCKSAMPLETESTRESULTSI¥JIl'I1IlW1UTlJRILIO£RB£ROlIHITSORIIM'"IJU'S£RI£SCIUSERI£SBLOCK£IEV,\/II£RSPECIfiCUMITCDHI'.HAl.DAYOPT.PERUMT511£SI'H'l£COORDIHA'ELOCATIOH(ft*l*(ONlfNIGMlYIl'tDRY\/OT.lID.OfNSITYHOllT.COOP.OTHERHO.UlL.L.P.L.P.1.S.L.(pel)HO.(I>CI)(%)3q>cCT£STSV(p")(P.I)..IID5-191;;7J,418CI,905,637344.022.0524572.6989.1145106.919.383.3**7122.297.1145106.919.390.8**22.498.8145106.919.392.4**133*221.686.9145106.919.]81.3022.093.3145106.919.]87.320.987.2145106.919.381.6IJD5-2IAN473,276El.905,790363.0;,fPPI'::1';',.';'1'1'11'146106.919.4IJDS-26N473,396EI,905.594369.021.521.820.24734132.69***54C88.9178105.720.084.126.989.0178105.720.084.I25.91.0178105.720.084.IResonantCoIUlT1122.9I89.117A105.720.084.121.9()90.0178105.720.084.1IJDS-27N473.018£1,1)5,8':021.1NPNPNP6922.221.423.392.5167105.918.587.331.014021.393.0167105.918.507.02J.1Q3.1167105.918.507.9tnJS-JON473.249EI,905,715379.020.1514472.74**5321.521.020.193.71-39100.21&.286.613521.592.21-39108.218.285.2120021.091.71-39108.210.284.8IIDS-31N.J73,355EI,905,670381.05441])2.70**56NPNI'NP21.695.1221Ill.815.585.1**19.190.8221111.815.500.412818.998.7221111.015.580.3230!19.297.722111l.815.507.4I375.0!t:'!'"ilirn1211473,UOEI.905,090222111.415.3.,J2.5-267AMENDMENT97-01AUGUST1997',"'. t.'"i'.TAfiLE2.5-59(Sheet3ofH)*1SUMMARYOFBLOCKSAMPLETEnRESULTSl'X)R111[)AMH4ruRILGR41M<>1=UU$ERIESCIUSERIES4nfRBERGlIHI1SBLOCK£lEV.W4lfRSPECIFICUMITCOHl'.HU.DRYOPT.rERCFM1sm:;SmPlECOOROIHATELOCATIOHDRYWGT.STD.DEHSITYCOUP.OTHER(Ft.):COHIEHTGR4VIrtHOIST.'"!P¢1£STSRO.L.L.P.l.P.I.S.l.(pet)MO.(pell1%\Bccv(deg)'",..(PIt)(deg)(PIt)t1nS-35N473,210EI,905,701387nor237108.717.7--------------------------l-I--IJDS-371147],0991'1,905,95538421.3NPNP2.70**,,621.620.293.3247109.018.785.6!3121.292.7247109.018.785.146019.998.2247109.010.790.1--I----I---1--lKlS-38IH73,388El,905,96739420.3524482.7]98.1250110.816.088.5**59(CyeIieTesting20.2524482.7490.7250110.016.089.121.9524402.7496.0250110.816.086.6-------------mS-]9tH73,ll0EI,905.529401SN;PI(tlOTTES1rn---1----I-----------------1--IDS-42N473,150EI,905,38340531\1lPIEI¥)T264III.616.2.III-I-IJDS-4]N473,342EI,905,905400,:.:""':r;-275112.814.51-IJDS-HNn],342EI,905.9084082.70*.5917.697.8275112.814.506.7(2618.499.0275112.8'14.587.840O18.8100.5275112.814.589.1--UllS-45N473,254EI,906,OO8413SN11)J(t.-'O'Ir:*'s')'1*:PIIIDS-50N473,276El,905,909433:::JNiPU:Nai!'!::3TlTI2.5-268AMENDHENT97-01AUGUST1997 TAntE2.5-59(SheetIfof8)SUMMARYOFBLOCKSAl-lPLETESTRESULTSS()(1I11lW1NAntRAll!HR6EROlIHITSGRAINcoUU'SERIEScTuSERifSnOCI£IEY.WAHRSPECifiCUNIICOHl'.HU.DRY()f'T.PERCENTSIl£§,l.HPIfCOORDINATElOCATION(Fl.).CONHNTGRAYIlYORYwar.STD.OENS"IHlISI.COl<P.OTHERNO.U)l.l.P.l.1'.1.S.l.(pel)HO.(pet)(J\'i'cC1£,Iluv(deYl(P.t)(dey)(P.t)'"...16D-llN472,0*19El,906,645364.924.36143182.77*.6224.564422262451724.189.285103.022.586.6In.o24.490.085103.022.587.4250Resonant25.490.185103.022.587.5ColLEVln.891.185103.022.588.4**f--------------U:S-13tl472,l72EI,906,738375.010.86049II352.7718.618.6**6320.08i.772106.018.580.9**18.183.772106.018.584.6**18.891.272106.018.586.018.685.172106.018.581.2I220018.6R5.1n10v.018.581.2(21).019.50;.472106.013.530.6.---._-_._--_.-*..--_...----------------------..--.--'---------IOS-17N47I,942EI.906.75839119.1NPNPNP2.7390.4**5219.1Ill'Ill'Ill'2.7396.3116107.614.089.3.*18.7NPIll'Ill'2.7393.5116107.614.886.9.*19.189.4116107.614.883130.910.591.4116107.614.885016.790.4.J.lLW07.L14.884IIDS-181l472.114EI,906,72740222.7684424272.73**72SCSDispersion19.095.7ll5104.617.791.5(3023.794.2104.617.790.058022.3100.0115104.617.795.6-1---lJDS-20N472,171<:1,906,74040725.460)2182.70**6825.224.76032182.7085.8162105.819.081.1*i_----,--lIDS-24N472,OJlEI,906,54742222.5NPIll'NP2.70**67avg*24.42.7091.2*22.391.8178105.720.086.8}21.0200022.983.1178105.720.070.620.4Jll!.-*20.082.4-_.._------_...._----_._------"-._---_..----.*....--'-..._.--_'--._._.-.-._...._-._.._-..-Ims-25N472,OHEI,906,518122SI\'11'11Inr111oS1'I;0.'..,.:.2.5-;[69,.;.;AHENDHENT97-01AUGUST1997 .'.....Ti\nLE2.')-')9(SIIf'l't:')()fIl).:'.'OFBLOCKSAJ.IPLETESTRESULTSfASTfW1NHlJRI.lGRIIMQ1:uuSfRlfScTuSERIfSAnfRBfRGlIHITS&lOCKHfV.WllfRCOHl'*IUX.ORYOPT.PERClMTSllf...OTHfRSlW'lfCOOROIHATELOCATIOH(fl.I:COHTENTGRIVITYDRYWGT.STD.DfNSITYI<)'ST.UlHP.CHSlSMO.(J)L.L.P.L.P.I.S.L.(pel)HO.(pel)(Jl.ev(d,g)...'"'"(p")(d,g)(p,1)IIllS-4BN472,960E1,907,2100125.4554B72.7395.9284104.422.791.913725.696.92B4104.422.792.B96025.595.4284104.422.191.426.494.02B4104.422.790.0**84*lJI)S-49N473,672E1,906,93043024.65744132.742B4104.422.7**1424.5..<2.5-270AMENDMENT97-01AUGUST1997 TAIlLE2.5-5')(SheethofSUI-lHAAYOFBLOCKSAMPLETESrRESULTSFORWESTEH8ANKM£1/THIruRALATHRBEROL1HITSGRAINci§cTuSERIESCOHP.SllEUUSERIESIIOCK£IEV.WAlERSPECifiCUNITHAl.DRYorT.PERCENT:;SlWlECOOROIHATElOCATIOH1ft.)COHlEHTGRAVITYDRYwoi.sm.DEHSITYHOIST.COuP.r--..OTHERMO.l.t.P.l.P.I.S.l.(pel)MO.(pel)(J)E;I(lc¢CTESTS;;;V(degl(Plf)(P.t)'""(deg)IW-lN472,375El,905,400369.024.0603q222.64**5024.624.743331029.529.74136529.507.615100.317.580.9**29.091.415100.317.504.4124.191.515100.317.584.519.140023.893.015108.317.585.9UU-Single'lest29.493.715108.317.586.50,-0)...--------------_._-------_.----.._-----------._--1-=5.6tsfIW-2N472,591E1,905,450303.023.34333102.65**5823.222.4IJncoofined23.289.915100.317.503.0-CullJ({)SHiOll22.288.915108.317.583.0*a,!MX=1.7tef,._-------------------'-.----f-------[100-3N472,416El,905,445383.523.82.67-------:-------21.745351022.024.742318**6223.296.415108.317.589.0**24.197.815108.317.590.3**22.3101.515100.317.593.7122.5102.015100.317.594.227.690025.299.415108.317.591.8---------------------_.---.------_._--------_.In'6-4Nn2,745El,905,425390.016.0413742.71**5819.722.023.2Unconfined21.293.625107.610.007.0f-Cu1T>ression20.393.625107.610.087.0"'max=2.5tsf---'--------.----.-"_.-----_..-'-'--'--._.--_.._-..-----...---.._.._-.---._--.._-..-----..lJI:B-7tH72,300El,905,643400.023.65135162.78**7024.75934252.76**7624.26035242.07**7724.8Resonant24.3Coluill1125.325.025.92.5-271..',".-AMENDMENT97-01AUGUST1997 '",::.'",'TAntE2.5-59(Sheet7of8)'-,','....;SUMMARYOFBLOCKSMLETESTRESULTSFORWESTf:MIlAN1<H:NI'"CRAIN..NAruRA!!:cTuSERIES£lEV.AnERBERCL1HITSUNITCOHl'.HlX.ORVSIIE-'UUSERIESBLOCKWAlERSPECifiCOPT.ffiCENICOOROIHATELOCATIOHORVWCT,SID,DENSITYftliST.COilP.-OTltERsmPIE(fl.)CONEENICRAVHV4Jc¢CTESUNO.L.L.P.L.1'.1.S.L.(pel)NO.(pel)v(d*gl(.,fl(d.g)(**f)'"...mS-724.72.7686.067100.723.885.4**(cont.)23.682.267100.723.881.6**20.382.e67100.723.882.2128.6*80.067100.723,879.429.692.767100.723.892.024.480.167100.723.879.525.695.767100.723.895.0--------------------,---1---------------,-----------.----------1m-A1'1472,510El,905,400385.022.9NPI'll'N!'2.7123,0I22.422.323.8I23.819.998.595107.318.691.8127*019.497.891.165020.692.3I86.a23.494.007.6*20.090.591.0nesonantCollnn23.098.291.5l26.598.792.0J------------------------,-------------------.__._-_._--._--Il1S-91'1472,340E1,905,569421.024.3694J262.74.*7724.257391023.469422724.3694J2697.367100.723.896.3**23.397.267I100.723.896.522,597.267I100.723.096.5/29.857624.399.667I100.723.090.922.396.967100.723.896.2--ResonantColmn-------f----------_.------1-----------...(lIlS-lO11472,152El,90S,OOl431.0:'-;"/11'[£¥fI'1'PS'I'[;!'\I-------------------------r--*-----------'----'------".._-._--_.----------IIDS-2311472,525E1,905,410399.0-----------'--f---In.s-361'1472,536t:l,905,470416.022.7I'll'I'll'I'll'362.7J..39SCSOispersian23.123.309.9211ll3.015.579.6**22.621J113.015.570.9**----1101,905,377415.0rl'Ii1EIl262llO.816.02.5-272AMENDMENT97-01AUGUST1997 TABLE2.5-59(SheetBofB)SUMMARYOFBLOCKSAMPLETESTRESULTS1'il"..S1'EHMN<HFurHAllJRALATlERBEAGlIHIlSIOi"Mt:UUSERIESCIUSEAlESHEV.UHIlCOlli'.HlX.DiySIHoJDIOClWATfASPECifiCDRYWGT.IOfl.PrRCfOlIOTHERSlllPlECOOROIHATElOCATIOH(OHIEHTiiO.O,"SIIY-,-.-(ft.1:GHIVIlYf{)111..".f/l¢HO.L.t.r.l.P.I.5.1.(pel)IHG.IpeI)II)i:;vcCIESI5;:;..(dog)(p,t)(d,g)(p,fltmITEST')IUDS-46NH2,781E1,905,272429.0SAErl-1289106.019.7l\C'l'1'l'f[;'l'J:D---IJDS-47N472,781El,90S,274429.0SAMPU'I289106.819.7II2.5-.273i**AMENDMENT97-01AUGUST1997 .'\."TAIlLE2.5-59a,,'.,-SUMMARYOFBLOCKSAMPLETESTRESULTSTESTfILL-HOIUla-GAHERBERGlIHITS§BLOC(£IEY.SPEClfUMITCOHl'.HAX.ORYSIZEUUSERIEScTuSERIESOPT.PERCENT....SlJ<PlECOOROIHATELOCATION(ft.):COMIENIIlYORYWGT.STIl.OEMSlnHlIST.COlli'.iiOlllERMO.t.t.P.LP.1.S.L(pef).NO.(pellh)cEJ[SlSv(deg)(p,l)'"""(deg)(p,1)UOS-21totApplicableNih494182.75**582.735924.693.8177106.019.188.525.692.5177106.019.187.332.C35025.292.8177106.019.187.5!-----!----f----lJlJS-22li:ltApplicableN/A24.4443952.63**23.92.755924.46]2].49].7165106.817.887.72].79].4165106.817.887.531.35023.492.5165106.817.886.6-----,-IIDS-28IbtAfPlicableNih21.4NPNPNP2.69**5321.020.72.69100.2r-)7108.817.092.1**21.699.4r-)7108.817.091.4f--------------------mS-29li:ltApplicableNIASNolPl.'NorITSfDr-)7108.817.0---------------.------------r------2.5-274AMENDMENT97-01AUGUST1997 2.5-275AMENDMENT 97-01AUGUST 1997TABLE 2.5-60PHYSICAL PROPERTIES OF BLOCK SAMPLESPropertyRangeAverageNumber of TestsNatural Water Content, %16.0 to 29.822.8170Liquid Limit, %41 to 695538(1)Plasticity Index, %4 to 271438(1)Unit Dry Weight, pcf80.0 to 102.092.8108Specific Gravity2.64 to 2.872.7335NOTE: (1) Does not include seven tests that were nonplastic. 2.5-276Reformatted PerAmendment 02-01TABLE 2.5-61PINHOLE DISPERSION TEST RESULTS ON BLOCK SAMPLESSampleNumberHead(Inches)Flow(ml/sec)Color (1)DispersionClassification (2)UDS-122715 400.25 0.761.312.43D DDDND1UDS-122715 400.29 0.801.402.50D DDDND1UDS-152715400.08 0.160.902.18D DDDND1NOTES:(1)Color code:A = DarkB = Slight to MediumC = Barely VisibleD = Completely Clear(2)Dispersion code:D1, D2= Dispersive and erodible.ND1, ND2= Non-dispersive and highly erosion-resistant.ND3, ND4= Non-dispersive and intermediate erosion resistant. 02-01 2.5-277Reformatted PerAmendment 02-01TABLE 2.5-61aSUMMARY OF SCS DISPERSION TEST RESULTSSAMPLENO.LOCATIONELEVATION(ft.)MC%PL%LL%PERCENTDISPERSIONUDS-12North Dam330.025.259450UDS-14North Dam336.018.448440UDS-15North Dam348.021.157410UDS-18South Dam402.022.768440UDS-36WestEmbankment416.022.7NPNP0 2.5-278Reformatted PerAmendment 02-01TABLE 2.5-62COMPUTED MAXIMUM CREST ACCELERATION ANDMINIMUM SAFETY FACTOR FOR SAFE SHUTDOWN EARTHQUAKEHeight ofEmbankment (ft.)Maximum CrestAcceleration (%g)Minimum Factorof SafetyElevation at WhichMinimum Safety Factor Occurs (ft.)110 (North Dam)291.2037080341.2037067 (South Dam)351.2037550351.3540030 (East Dam)301.55405 2.5-279Reformatted PerAmendment 02-01TABLE 2.5-63CASES STUDIED FOR DYNAMIC SHEAR MODULI VARIATIONSDynamic Shear ModuliDesignationSectionEmbankmentWeathered Rock (1)(K2) maxColluvium (1)(K2) maxS-MAX-ISouth Dam,max sectionProbable Values (2)25070S-MAX-IISouth Dam,max sectionProbable Values (2)20050S-MAX-IIISouth Dam,max sectionProbable Values (2)500120N-MAX-INorth Dam,max sectionProbable Values (2)250--N-MAX-IINorth Dam,max sectionProbable Values (2)200--N-MAX-IIINorth Dam,max sectionProbable Values (2)500--NOTES:(1)Gmax = 1000 (K2) max o1/2(2)Gmax = 35,000 o1/2 for o 2100 psf, in which o is the mean effective normal pressure.Gmax = 760 o psf for o 2100 psf. 2.5-280Reformatted PerAmendment 02-01TABLE 2.5-64RESULTS OF FIELD PERMEABILITY TESTSCONDUCTED DURING GROUTING OF NORTH DAMTests in ValleyTestHoleTestElevation(ft)Average Coefficientof Permeability(cm/sec x 10-4)Test HoleTestElevation(ft)Average coefficientof permeability(cm/sec x 10-4)7+06P370-3394.209+66S316-29915.597+46P362-3314.069+67T314-30011.748+26P338-3077.73316-3047.44 (1)8+66P333-2871.679+86P316-30020.268+86S325-3037.359+96T316-29912.728+96T323-3036.3410+06S317-30220.689+06P320-3019.0110+11Q317-30014.77300-2653.5910+16T316-3007.759+26S318-3017.4610+21Q318-3000.969+41Q314-30114.6610+46S322-30011.509+46P317-29813.1210+48.5Q327-30010.41313-302302-2649.26 (1)6.6610+51Q 10+53Q323-300326-30010.096.419+56T317-30010.59Tests in AbutmentsTestHoleTestElevation(ft)Average Coefficientof Permeability(cm/sec x 10-4)5+46P401-3560.6213+06P393-3490.3913+46P399-3600.4614+26P407-3660.2215+06P412-3680.1415+46P414-4700.3916+26P418-4740.30NOTE:(1)Partially grouted. 02-01 02-01 02-01 2.5-281Reformatted PerAmendment 02-01TABLE 2.5-65SUMMARY OF DESIGN COEFFICIENTS OF PERMEABILITYZonePSAR Coefficient ofPermeability (cm/sec)FSAR Coefficient ofPermeability (cm/sec)EmbankmentHorizontal1.0 x 10-62.0 x 10-5Vertical1.0 x 10-72.0 x 10-5North Dam FoundationValley Upper Stratum (1)3.2 x 10-51.0 x 10-3Valley Lower Stratum3.2 x 10-53.2 x 10-5Abutements3.2 x 10-53.6 x 10-5South Dam FoundationUpper Stratum (2)3.2 x 10-52.9 x 10-4Lower Stratum 3.2 x 10-54.2 x 10-5NOTES:(1)Thickness = 52 feet(2)Thickness = 15 feet 2.5-282Reformatted PerAmendment 02-01TABLE 2.5-66STRATIFICATION AT SPRING AND SEEP LOCATIONSSourceResidual Soil andSaprolite Thickness (1)(ft)Decomposed RockThickness (1)(ft)CombinedThickness ofOverburden (ft)RangeAverageRangeAverageSpring No. 10-3490-181221 (12) (2)Spring No. 220-3427343461 (20) (2)Bench Cut Seeps0-8510-602530 (12) (2)NOTES:(1)Based on a review of closest test boring data.(2)Depths in ( ) represent the minimum possible depth of overburden that could bepostulated from the adjacent borings which were terminated within thedecomposed rock before penetrating the "fractured rock" zone. 2.5-283Reformatted PerAmendment 02-01TABLE 2.5-66aPIEZOMETER LOCATIONSPiezometerNo.North DamCenterline StationOffset InFeet (1)TipElevation8-18+00.2148.4-M382.88-28+05.5114.8-M389.48-38+04.714.8-S374.48-48+03.9202.4-S358.410-110+00.9280.3-M340.710-210+02.8220.6-M348.010-310+04.714.4-S334.210-410+06.5200.9-S333.812+50-112+51.4199.3-M373.512+50-212+51.1140.0-M387.412+50-312+50.615.0-S390.712+50-412+57.1120.1-S381.7NOTE:1.Mrefers to Monticello Reservoir slope.Srefers to service water pond slope. 02-01 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,Alll(l.5-66('100111ONl/It'lillllIlI'nfAultlGSIlHellorhollla'tI<,vo,,"nl((ott).(OIM)0100It(ll)2100JIOO4100SIUlIIIO(jOJilO91UO101001"0012'001J10014'00'5'()(J161(1012/0ll110.000.000.00'0.000.000.000.00O.IJO0.00O.llO0.00O.llOO.UO0.000.000.000.0012/121110.000.000.01110.000.000.000.000.000.00O.OJII001110.01110.000.01110.00O.OIU000I2I2l1110.000.000.04S0.01110.0150.000.000.000.00O.OIS0.001100/110.01110.01110.000.01ll1/02/100.000.000.000.000.0250.0150.015O.OlS0.01110.01110.06110.01110.01ll0.02110.01110.01110.011/1/11/100.000.000.00-0.DiSO.OlS0.015O.OIS0.000.015o.om0.0/110.01110.01110.02S0.01tl0.02110.04110.01111/10/100.000.000.000.01110.0150.0150.0150.000.0150.011/0.0/110.000.0150.0111o.ow0.01110.001/)0/10O.IHI0.000.000.01110.0150.0150.000.000.0150.01110.051/0.01110.000.0150.01110.01ll0.011/0.002/10/100.000.00O.OlS0.011/0.055O.OH0.2950.0250.0450.01110.05110.05110.000.0550.000.01110.011/0.0021211/180.000.000.000.011/0.0250.0450.2950.000.OJ50.011/0.05110.051/O.OJS0.0850.02SO.OlS0.01110.001/01/100.000.000.000.02S0.0150.0150.295fl.OW0.0650.0150000.05110.0150.1950.0150.000.000.003/09/100.000.000.000.01110.0450.0450.255O.OW0.0650.055O.otsO.IOS0.0150.24S0.015O.OIS0.0150.004/04/100.000.000.0150.000.04S0.0650.2050.011/0.0050.0/50.0650.1150.0050.1150.0650.0150.0150.0155/01/100.000.000.000.02110.0450.0550.2150.02110.01150.0150.0150.1150.0650.2250.0550.0250.0250.0156/051100.000.000.00O.OlS0.0450.0550.2550.000.0050.0950.0650.1250.0450.2650.0450.0150.0250.001/06/100.000.000.000.000.0550.0650.2550.01"0.0650.0150.0150.0950.0550.2lS0.0450.0150.0150.000/02/700.000.000.0150.0550.0550.2450.02110.0050.0550.075o.Ia0.0550.2150.0550.000.0159/05/700.000.000.000.0550.0550.2150.02110.0150.055O.ObS0.1050.0550.2150.0650.02510/01/70O.OIS0.000.000.0550.0550.2150.01110.0150.0550.0550.1050.U5SO.22S0.0150.0150.02511/02/70.0.000.1100.000.05S0.0550.2150.01110.0150.0650.0650.1050.0550.2250.0550.0150.0251211l5/10011111001110.00a0550.0650.2/50.01110.0150.11150.0150.0950.1l5S0.24S0.0450.025o.OJS1/04/19U.UUU.OUo.ou0.0550.2150.02110.0150:11550.0£'50'1°50.Ob5O.US0.045O.OISO.OJS1/l0/190.0150.000.000.0550.0650.2150.011/0.0050.0550.U55O.OS0.0550.22S0.0450.0150.0251/05/190.0150.000.000.0550.0550.265O.OIH0.0150.0550.0550.105u.05S0.2250.0150.0250.0250.000.025O.OlS0.0050.0150.2450.000.0150.0050.0150.1250.0550.2250.0150.0250.0255/01/190.000.0150.0150.0150.0650.2450.000.0150.0050.0150.1250.0550.2250.0550.0250.0256/01/190.0150.0150.000.0150.0650.2450.01110.0150.0150.0650.1350.1155O.IDS0.04S0.000.0157/041190.0150.0150.000.015O.IlSS0.2550.01110.0650.0150.0650.1150.0550.215o0450.000.0150/01/190.0150.0150.000.0150.0550.2550.011/0.015O.OIS0.0650.1250.055o.liS0.0450.000.0250/20/190.0150.0150.01110.0/50.11550.2550.01110.0150.0150.065O.llS0.055O.lOS0.0450.000.02510/00119O.OIS0.0150.011/0.0150.0650.2650.011/0.0050.0650.065O.IlS0.055O.lOS0.0450.000.02511/05/190.0150.0150.01110.0150.0650.2650.111"0.0050.0650.0650.1150.11550.2050.0450.0011/01l190.0150.0150.01110.07500650.2650.02110.0050.0650.0650.1150.0550.2150.11150.000.0251/01/00O.OIS0.0150.01110.0150.0150.2650.02110.0050.0650.06S0.1lS0.0550.2150.0450.000.0252/01/830.0150.02S0.02110.015o.CI1i0.02110.0050.0150.055o.ps0.0550.2150.11158:BUB:8H)/04/0.0150.0250.0211O.OIS0.06O.!I!J.020.0150.0150.055O.)50.0550.250.0450.02S0.0150.01llO.O/S0.0650.2150.02110.01150.0150.0450.1lS0.0450.2250.0150.0150.0151101£:121110tluslruyutl12/21/11o"tIreplacetl1/4/10.1.IIU""c,,1l'ea,II"!Isartl!f'/4/10tluIIull"d,.lu"rev'om.IOYL....ellL.."'nl16HlIlrC.IIlvutldllutil0/lIuudt,,,er2.5-285....*.1.:.}AMElNDt-1ENT97-01AUGUST1997,','.\;I TABLE:2.5-66dSOUTHDAHMONUMEJiTREADINGSDateSettlement(feet)0+00j.;.-OO2.;.-003.;.-004+005+006+007"""008"""009.;.-0010.:.0012/13/770.000.000.000.000.000.000.000.000.000.000.0012/23/770.020.020.000.020.000.010.000.020.000.000.001/02/730.000.00-0.010.00-0.010.000.000.010.000.00-0.011/11/730.010.010.010.010.000.010.000.020.000.000.001/20/780.010.010.000.010.000.010.000.02-0.010.000.011/30/780.010.010.010.010.000.000.000.01-0.010.00-0.012/10/780.010.010.010.010.000.00-0.010.01-0.010.00-0.012/20/730.000.000.000.00-0.01-0.01-0.020.00-0.02-0.01-0.013/01/780.010.000.000.00-0.01-0.01-0.010.00-0.02-0.02-0.013/09/780.000.010.000.00-0.01-0.01-0.020.00-0.02-0.01-0.014/04/78-0.01-0.010.00-0.02-0.02-0.04-0.03-0.02-0.03-0.03-0.015/02/78-0.02-0.01-0.02-0.02-0.04-0.05-0.04-0.03-0.04-0.04-0.016/05/i8-0.04-0.02-0.03-0.03-0.06-0.06-0.05-0.04-0.05-0.04-0.017/06/78-0.04-0.03-0.02-0.04-0.06-0.08-0.05-0.05-0.06-0.05-0.018/02/78*-0.04-0.02-0.02-0.03-0.07.-0.08-0.07-0.05-0.06-0.05*-0.019/05/i8-0.04-0.02-0.02-D.03-0.07-0.08-0.07-0.06-0.07-0.050.0010/04/78-0.05-0.02-0.02-0.04-0.08-0.10-0.09-0.07-0.08-0.06-0.0111/02/78-0.05-0.02-0.03-0.04-0.09-0.10-0.09-0.07-0.08-0.05-0.0112105/78-0.06-0.03-0.03-0.05-0.10-0.11-0.11-0.09-0.09-0.06-0.011/UfT/!"')-0.05-0.03-0.03-O.uS-0.to-0.12-0.11-0.10-0.09-0.07-0.021/30/79-0.06-0.03-0.02-0.05-0.10-0.12-0.10-0.09-0.09-0.07-0.013/01/79-0.05-0.03-0.02-0.05-0.10-0.12-0.12-0.10-0.i0-0.06-0.014/02/79-0.05-0.02-0.02-0.04-0.10-0.12-0.13-0.10-0.10-0.06-0.025/02/79-0.05-0.02-0.02-0.05-0.10-0.13-0.13-0.11-0.10-0.06-0.026/04./79-0.06-0.02-0.03-0.05-0.11-0.14-0.13-0.11-0.10-0.07-0.027/04/79-0.06-0.02-0.02-0.05-0.11-0.14-0.14--0.11-0.11-0.06-0.028/02/79-0.05-0.02-0.02-0.06-0.11-0.14-0.14-0.12-0.11-'0.07-0.028/28/79-0.05-0.02-0.02-0.05-0.10-0.13-0.14--0.11-0.11-0.05-J.Oi10/09/79-0.05-0.02-0.02-0.06-0.11-0.14-0.14-0.12-0.j1-0.07-0.0211/05/79-0.05-0.01-0.02-0.05-0.11-0.14-0.14-0.12-0.11-0.06-0.0212/04/79-0.05-0.01-0.02-0.05-0.11-0.14-0.14-0.12-0.11-0.06-0.011/02/80-0.05.-0.01-0.02-0.05-0.11-0.14-0.14-0.12-0.11-0.06-0.022/05/80-0.05':'0.02-0.02-0.05-0.12-0.15-0.16-0.13-0.11-0.07-0.023/04/80-0.04-0.01-0.02-0.04-0.11-0.14-0.15-0.11-0.11-0.06-0.024/02/80-0.05-0.01-0.02-0.05-0.11.0.15-0.16-0.12-0.11-0.06-0.03NOTE:Negativereadingindicatesuplift2.5-L86AMENDMENT97-01AUGUST1997 TABl=:2.5-c5eSOUTrlDAMALIGiiMSfiMGNUMS'lTR£."OING.30-""::,Horizan-:::.i<::--0+001+002.....003+00.1+00::005+00j.....OO3+00?-ao10+0012/13/770.000.000.000.000.000.000.000.000.000.000.0012/23/1i0.000.000.000.000.000.000.000.000.000.000.001/02/i30.000.000.000.000.000.000.000.000.000.000.00l/li/is0.000.000.000.000.000.000.000.000.000.000.001/2DIiS0.000.000.000.000.000.000.000.000.000.000.001/30/78O.OlSO.CO0.000.000.000.000.000.000.000.000.002/i0/73O.OlS0.000.000.000.000.000.000.000.00o.o.:,s0.002/20/730.01S0.000.000.00O.GO0.000.000.000.000.003/01/730.0250.000.000.000.000.000.000.000.000.C2SO.CO3/09/73O.OlS0.000.000.000.000.000.000.000.000.02S0.004/0f../i80.01N0.000.00O.02N0.02N0.02."1Q.021'1O.03N0.00o0.00.V_-.J5/021i8O.DiN0.000.00o.01N0.02N0.02N0.02NO.O4;"l0.000.G3N0.006/05/730.G2N0.000.00O.OiN0.02N0.G1NO.OlNO.03N0.000.02.:-10.00i/05/73.'O.02.N0.00O.OlN0.C2N0.G2N0.00O.OiN0.00a.GiN0.008/01/730.02./1{O.CO0.00O.OlNO.Of..NO.03NO.02.N0.02NO.02NO.02NO.COS/OS/iSO.G2N0.000.000.02NO.03N0.03N0.04N0.03N0.02N0.00lO/04/73O.0.000.000.02N0.03NO.03NO.O.:1N0.03N0.C3N0.00li/C2.1i3-0.02:"10.000.000.03N0.03N0.04;1\1O.04NO.03NO.CO12./05178O.02NO.GlNO.OlN0.03NO.04N0.03N0.04NO.02N0.00-10.02NO.OlNO.OiN0.C3NO.CSN0.03NO.03NO.CSNO.GZNO.CO1/30/i90.02NO.GiNO.alN0.03NO.CSi'!O.03N0.03N0.04NO.OL!.NO.:J3N0.003/01/790.00O.OlNO.uSN0.05N0.C5NO.03NO.CSN0.03N0.004/02i7S0.000.00O.DiNO.03NO.Of..N0.03ND.03N0.03N0.03N0.J2NC.CO:/02/790.000.00O.OIN0.03NO.OL!.N0.03NO.03N0.031'10.03N0.006/04/790.000.00O.OlN0.C3N0.04NO.03NO.03N0.03N0.03N0.02N0.007/04/i?0.000.00D.01ND.03N0.04NO.03N0.03N0.03N0.03N0.02N0.:0S/02i1?0.000.00O.DiN0.03N0.04ND.03NO.03NO.03N0.031'10.02:10.008/23/i90.000.00O.OSN0.04N0.03N0.03N0.03N0.02N0.00lO/09/i90.000.00O.GIN0.03NO.04N0.03NO.O.:1NO.03N0.03N0.02N0.0011/05/790.000.00O.OiNo.o:m0.04N0.03N0.04N0.03N0.03ND.OZIlO.OC12/04/790.000.00O.OlN0.03N0.04NO.03NO.04N0.03ND.03N0.02N0.00T/02/800.000.00O.DlN0.G3ND.OLN0.03N0.04NO.03N0.03NO.GZNo.ce2/05/500.00O.OiN0.000.02N0.03N0.02N0.03N0.03N0.03N0.02NO.OlS3/0,1/800.000.00O.DiNO.02NO.03N0.03N)D.O.1NO.03N0.02NO.ellS4/02/800.000.00O.GlN0.03NC.C3Non0.02NO.03N0.03N0.02NO.J:S....AHENDHENT97-01AUGUST1997 2.5-288AMENDMENT 97-01AUGUST 1997TABLE 2.5-67PRINCIPAL EQUIPMENT USED TO CONSTRUCT THE SERVICE WATER POND DAMSNo. ofPiecesModelNumberManufacturerFoundation PreparationMucking and Cleaning1225 Cat BackhoeCaterpillar Tractor Company4D-9 PushersCaterpillar Tractor Company1Model 6 DraglineNorthwest Engineering Company1Model 41 DraglineNorthwest Engineering Company2TS-14 ScrapersTerex (General Motors)6TS-24 ScrapersTerex (General Motors)Select Fill PlacementExcavation and Hauling8641 ScrapersCaterpillar Tractor Company16631 ScrapersCaterpillar Tractor Company1480 Michigan PusherClark Equipment Company4D-9 PushersCaterpillar Tractor CompanyPlacement and Compaction4D-5 DozersCaterpillar Tractor Company4D-8 DozersCaterpillar Tractor Company2631 Water WagonsCaterpillar Tractor Company4No. 16 Motor GradersCaterpillar Tractor Company2No. 14 Motor GradersCaterpillar Tractor Company2No. 12 Motor GradersCaterpillar Tractor Company3825 CompactorsCaterpillar Tractor Company2Buffalo - Springfield RollersKoehring Company1Ferguson RollerFerguson Company2Vibro Plus RollerVibro Plus Corporation2Tampo RollersTampo Manufacturing CompanyFilters and Riprap6R-22 Rear DumpsEuclid Corporation4R-40 Rear DumpsTerex (General Motors)4D-5 DozersCaterpillar Tractor Company4D-8 DozersCaterpillar Tractor Company2Vibro Plus RollerVibro Plus Corporation 2.5-289AMENDMENT 97-01AUGUST 1997TABLE 2.5-67 (Continued)No. ofPiecesModelNumberManufacturerFilters and Riprap (cont'd)1235 Backhoe with GrappleCaterpillar Tractor Company1225 Backhoe with GrappleCaterpillar Tractor Company4R-122 Rear DumpsTerex (General Motors)1Cruz Air 80 Backhoe with GrappleDrott ManufacturingDiv. J.I. Case, Aternnero Company160 Ton Crane with Orange Peel GrappleNorthwestern Engineering Company1Hydro-Scopic 300 Grad IIWarner & Swasey Company11DM600 Rear DumpsMack Truck, Inc.6DM600 Trailer DumpsMack Truck, Inc.2Autocar Rear DumpsAutocar TrucksDiv. White Motor Corporation 2.5-290AMENDMENT 97-01AUGUST 1997TABLE 2.5-68SUMMARY OF LARGE RESERVOIR INDUCED EARTHQUAKESRESERVOIR/DAMDEPTH(M)VOLUME (x106 M3)SIZE (M)FOCAL DEPTH(KM)ACTIVE FAULTSBenmore9620405.012YesEucumbene10647615.017YesHoover19136,7035.016YesKariba122175,0006.310Not KnownKoyna10027806.527YesKremasta12047506.310YesMarathon60415.815Not KnownMendocino301515.29.9YesOroville20444005.75-10YesXinfengjiang8013,8966.05YesData Source: Woodward-Clyde Consultants, 1979 -'I01°CHARLESTONI.oOlf.00<)(>0001,)"<)..lC>AL8ANY(JTAllAHASSEEIPLOGZlUlOJAl.f'XINGTON.DLOUI$VILLE1;lOO----f-_-C.L-_-hlWO*******lJlJc...II*STATUTEMILES5025050100C':1::'1:':1::'tMtI;,t'1!!!!!i!!!i!!!i!!!i!C====::l1r*REFf.RE.NeE:THEBASEfORTHiSMAPWASPREPAREDFROMPIPORTIONorTHEU.S.G.S."IFRWALLCH,A,RT,EASTANDWEST,1%7."SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONRegionalPhysiographyMapPHYSIOGRAPHICDiViSiONSTAKENFROMPHYSIOGRAPHYOFEASTERNUNITEOSTATESBYN.M.FENNEMAN,1938.Figure2.5-1 Brevardbelt*BlueRidgebeltInnerPiedmontbeltKingsMountainbeltContactEXPLANATIONEE3GraniteCharlottebeltCarolinaslatebeltCoastalPlainrocksNMiseGeolInvMap1-413R82'THCAR0NLN83'/oJ**.'MILESKILOMETERSSOUTHCAROLINAELECTRIC&GASCO,VIRGILC.SUMMERNUCLEARSTATIONGeologic.BeltMapOfSouthCarolina

REFERENCE:

THEBASEFORTHISMAPWASPREPAREDFROMU.S.DEPARTMENTOFTHEINTERlOR,GEOLOGICALSURVEY,1965,BULLETIN1183,PLATE2.Figure2.5-2 /Wlt.lhlINGTON0""{j0KIENTUCC'{VSTATUTEMILES'.Ii"ii"iI..N-c:->p.1..8AN'r."<>'"........*.*00.......c1fA\.LAHASS£Efl.I..;ss....\CHArrANCOGA..******SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATION

REFERENCE:

THEBASEFORTHISMAPWASPREPAREDFROMAPORTIONOFTHEU.S.G.S."IFRWALLPLANNINGCHART,EASTANDWEST,1967."locationOfRegionalGeologicSectionFigure2.5-4

• • • • 6000500040003000"-2000/000l(SEALEVEL-/000t-2000-3000§-4000l<Jl;j-5000NORTHWESTRIIII...tit:CLINCHMTNSALTVILLE'AULTTON8LU["IDG[IELfI-THRUSTBELTOESCRIPTION1""["PIEDMONTBAEVARDFAULTlONECH""LOTTE-CAROLINASLAlEBELTc0ASTALPLA'NSOUTHEASTR'THEAMERICANASSOCIATIONOF"PETROLEUMGEOLOGISTS,ENTiTlEDr'MIO-ATLANTICREGION,GEOLOGICALHIGHWAYMAP,1970".***AGEMISSISSIPPIANSILURIANORDOVICIAN"(UPPER)(M,'DOLE)(LOWERTOUPPER)OROOVIr.1AN-CAMBRIANCAMBRIAN(MlDOLETOUPPER)(LOWERTOMIDDLE)(LOWER)PRECAMBRIANTHRUPALEOZOIC

REFERENCE:

SYMBOLW[TI[Q!U[Qi,i]wro=nIt:MuI[£]REGIONALLIMESTONE,SHALE,SANDSTONE&.CHERTSANDSTONE,SHALE&.LIMESTONELIMESTONE,SANDSTONE&.SHALELIMESTONELIMESTONE,DOLOMITE,SHALE&.CHERTDOLOMITE,LIMESTONE,CHERT&.SANDSTONELIMESTONE,DOLOMITE&.SHALESLATE,SHALE&.SANDSTONESANDSTONE,QUARTZITE&SHALEINTRUSIVESMETAMORPHICSSOUTHCAROLINAGRANITES-UNOIVIOEDMETASEOIMENTARY&VOLCANICROCKSOFTHECAROLINASLATE,LOTTE,KINGSMT.,INNERPIEDMONT&BREVARDBELTS100tlodSECTIONA*AHORIZONTALSCALEINMILES1020III40I50ISOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONGeneralizedRegionalGeologicSectionFigure2.5-5

• • • • • • • SlSO\(1KENTUCKIi.--1--""',J*OoO--....q,pSOO'----i--60001"'-.'-*.--I"-0"':i__-1--7000__1'-..."-31;=.::!QPO__r-'-...."-'!---r'---+-=-"'-__-9000-_;"-""',-=--....*.l_..-r-.....'\:.'\i---....'.""'-I---t-\'\\\\.'\,-II*.*.Iv"-IJAClK\orlv\tiEKEY:CONTOURSOFBASEMENTROCKSURFACE_BASEMENTROCKOUTCROPENCLOSURESYNCLINALAXIS-+--ANTICLINALAXISNORMAL.FAULTlHACHURESINDICATEDOWNTIiROWNSIDE).THRUSTFAULTlHACHlJRESINDICATEOVERTHURSTSIDE)_UNDIFFERENTIATEDFAULT_i__..ONOCLINAl.FLEXUREELONGATE,CLOSELYCOMPRESSEDANTICLINEtIPm'ESCARPMENTKEnIlEMer:THEIASI'ORTNIS.....,.WAS"'(I'.IIIDOM..P'OIITION0'THEUS.G.'.""......LL",-AIIINU"CHART,UITANDwt8T,1Ml.*-..1:01UP'r.[Ncr:I)IXUNIIO**0'TO_LIlAFAULTAND'OAT"OCIC'AUlT'VITElliP'ROPOHDevHOWILl,IITI"'NDTAL....NI"'NDHO.ElL,I"*.STATUTEMILESCU!!!!!!ISOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONRegionalTectonicMapFigure2.5-6 CUL.PEPPEBAS\..N./"',BARBOURSVIL.L.!BASIN<-IC1110BASINJ/"ARMVIL.L.E-'DANVIL.L.EBAII!_BASIN*----.-DAVIE.J/'".*..BASIN-'"I..-:ot\'i"_.,-'"CROWBURG........_-\If(,\)BASIN\"',SITE.FL.ORNCE\\'"1..':J",GBURIED'\TRIASSICROCKSBASIN--..CONNECTICUTBASIN--.-\N\lll:-TRIASSICBASIN,EXPOSEDINTHEPIEDMONTF>ROVINCE,OVERL.AINBYCRETACEOUSDEPOSITSINTHECOASTAL.PL.AINNOTE:ADAPTEDFROMMARINEANDSIPL.E(1974)STATUTEMIL.ESr!iIi9solyoSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONTriassicBasinsFigure2.5-7

REFERENCE:

THEBASEFORTHISMAPWASPREPAREDFROMAPORTIONOFTHEU.S.G.S."IFRWALLCHART,EASTANDWEST,1967."THE"BOUGUERGRAVITYANOMALYMAPOFTHEU.S."BYTHEAMERICANGEOPHYSICALUNIONANDTHEU.S.G.S.,1974.CONTOURINTERVAL=50MILLIGALS.STATUTEMILES5025050100ili!!!ii!!!SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONRegionalBouguerGravityAnomalyMapFigure2.5-8 PALEOZOICNOTE:NUMERICALVALUESAREGIVENINOFGAMMASRELATIVETOANARBITRARYDATUM;HACHURESDENOTEAREASOFLOWERINTENSITY.CONTOURINTERVAL100GAMMAS*

REFERENCE:

THEBASEFORTHISMAPWASPREPAREDFROMAPORTIONOFTHEU.S.G.S.trlFRWALLPLANNINGCHART,EASTANDWEST,1967.11STATUTEMILES000001ISOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONRegionalAeromagneticAnomalyMapFigure2.5-9 JENKINSVIlLE,S.C.IIOADClA$$I;rn:'-dN*"'l...iflIt<MJ-.lIuoS",*__imP<Vl'ld........__.....,.........u....prvooclnlld*********Oln-..ROIIItOu.S_RoutelinearFeaturesMapSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATION"USCO.,,"I.lESWITH.....ACCIJItACYSIM'PUt'SroRSALEIJ'I'II.S.GEOLOGICAl.SURYE'r.WASHINGTON.D.C...__ot:_aolOG_-.....ow........:Of<ItlQUUTIt"'.:c=..::."UNITEDSTATESDEPAR'T'NENTOFTHEINTERIORGEOLOGICALSURVEY..M.pped,edited,arKlpubf'$hedbytJ1.eGeo!oeiU1SurwyCon\tOl"'U5GS.lISCfoG.S**T_*....."'jll>ctov*.......t.......t"""."""'_.*,pho_."'.ta.....1968,F_et>o<;i4041'lo69""-fC...OJK';.,o.1921N_A-..and.'....IO.OOO-_...i<lbo........SOUll'lC.........e-"hn.t**_.-':h......lQOO-mo1..U_IT,.n._..orctlOf......Uc..._17._ninOl....Fi......40._,"'<l......._.._.fIIIlh<l\dli__",....__i.,pfIo'-.""1-Th..;_b*******Figure2.5-11

• • • • • • • 1---------------IlCTlOll*.*..------------------'-----1ueltONa.*a'IU------------------------.lKEY:GRANODIORITEMIGMATITEOFGRANODIORITECOMPOSITIONMIGMATITEOFGNEISSICCOMPOSITIONCHARLOTTEBELTGNEISSNOSCALE-DIAGRAMATICONLYSOUTHCAROLINAElECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONNOTES:I)THEDIAGRAMMATICSECTIONSSHOWNREPRESENTOUREVALUATIONOFTHEMOSTPROBABLECONDITIONSBASEDUPONINTERPRETATIONOFPRESENTLYAVAILABLEDATA.SOMEVARIATIONSFROMTHESECONDITIONSMUSTBEEXPECTED.2)DIAGRAMMATICSECTIONSA-A'ANDB-B'ARESHOWNONFIGURE2.5-21.DiagrammaticViewParalleltoBroadRiverFigure2.5-12
• 1000500FEETLocationofSiteSubserviceSectionsSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATION500NOT!:CROSSSECTIONSR"EFERENCEDAIIOVEAREPRESENTEDONFIGURES2.'-1'THROUGH:2.'-17,THES!AREBASEDONDEEPWIDELY;SPACEDBORINGSANDILLUSTRATEGENERALGEOLOGICCONDITIONS.CONTOURSAR.....*........iN-23",:...,BOUNDARYOF:::;*.':J:.'.',:"r""f!I';-24Y.l>_.N-IBNI*****Figure2.5-14

wNEKEY:II0%TO1%%TO3%_6%TO7%080/0TO9%sSOUTHCAROLINAELECTRIC&GASCO.VIRGILCoSUMMERNUCLEARSTATIONArealFoliationContourDiagramFigure2.5-18

• • • • • • • wI(EV:10%TO3%1.-_-_7%T013%NsELECTRIC&GASCO.SOUTHCAROLINAEUCLEARSTATIONVIRGILC.SUMMERN,.tionPlutonArea:0laContourDiagramFigure2.5-19
            • wKEY:00%TOO.S%Ittftffilr%TO2.5%3%TO4%NsEELECTRIC&GASCO.SOUTHCAROLINANUCLEARSTATIONVIRGILC.SUMMERArealJointContourDiagramFigure2.5-20
  • II*------5,500FEET------------------DU.GUMJlAIfICaBeIfIO.A-A'ALO***.aOPOaBDDAMAZII**11,000FEETMIGMATITEOFGRANODIORITECOMPDSITIONGRANODIORIT.EIeEv:DiagrammaticSectionsA-A'and8-8'SOUTHCAROLINAELECTRIC&GASCO.VlRGILC.SUMMERNUCLEARSTATIONNOSCALE'OIAGRAMMATICONLYMIGMATITEOFGNEISSICCOMPOSITIDNCHARLOTTEBELTGNEISS*figure2.5-21

REFERENCE:

Figure2.5-22STATUTEMILESI2iArealMagneticAnomalyMapJNoCCSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONTHEBASEFORTHISMAPWASPREPAREDFROMENLARGEDPORTIONSOFTHEFOLLOWINGSOUTHCAROLINASTATEHIGHWAYDEPARTMENT,GENERALHIGHWAYMAPS:LEXINGTONCO.,195B,REVISED1970,NEWBERRYCO.,1961,REVISED1970,FAIRFIELDCO.,1962,VISED1970,ANDRICHLANDCO.,1963,REVISED1969.*******

• • • • • • N472530.07N(!)t-'1o0..J*m0a:iiigguen4:-I<t.REACTORBLDG.----!N472620.0J-L.-I---IINTERMEDIATEBUILDINGWALLFOUNDATIONEXCAVATION(ADDENDUMm)SUPPLEMENTALINVESTIGATIONFORUNITONE(JAN.1974)oNoowCONTROLBUILDINGEXCAVATION(ADDENDUMn)APPROXIMATEBOUNDARYBETWEENTHEUNITONEANDSTAGINGAREAINVESTIGATIONSy'I/I/STAGINGAREAI/(ADDENDUMI)I/--t----t--I/I/I/SOUTHCAROLINAElECTRIC&GASCO.VIRGILC.SUMMERNUClEARSTATIONLIAreasofDetailedInvestigationFigure2.5-2]

GeologicMapOfReactorBuildingAndStagingAreaExcavationsSOUTHCAROLINAelECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONIi.REACTORSLOGE1'304610.0SCALEINFEETo102030;NI///II/IKEY'[!]CONTACTBRECCIACI'lARLOTTE8ELTGNEtSSMIGMATITEOFGNEISSICCOIllPO$ITlONGflANOf'£L.S['G]]MEDIUIll-GRAINEDGRANODIORITE[[IFINE_GRAINEDGRANODIORITE[ZJAPLITEANDfOf!PEGIIlATITEDIKE,-L---C>sC21ANOTHIN*t.OCATIONOfPI'lOTOGRAP"lS-..ANGLEBORINGoov"eo.""""GFigure2.5-24.l,..=":".l....::.--' GeologicMapOfControlBuildingExcavationSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONKEY,CHARLOTTEBELTGNEISS0ilDMEDIUM-GRAINEDGRANODIORITEr:::i[]MIGMATITEAPLITEAN>IDRPEGMATITEDIKE-----CONTACT.DASHEDWHEREAPPROXIMATE/\LOCATIONOFSAMPLESFORX-RAYL+lDIFFRACTIONANALYSISCB-I,=GO\_<'(1/("b0f"b>fi:::=iSlO____-::...3es........J'Jlo,--------------------1GO-o!!!'"oG-CBGN(Q,.,",0'"(AUX.BLDG.)II....-.......NOTE'FORLOCATIONOFCONTROLBUILDINGRELATIVETOOTHERINVES.T1GATIONS."'."FIGURE2.5-23........-----------------385------------N)8.,.*******Figure2.5-26

• • • • • ,N-472512.5NE-I904893.25I-OUTL.INEOFINTERMEDIATEBUIL.DINGSUPPORTINGWAL.LFOUNDATION\\"\\,\\\EXCAVATION,\\\\\\EXCAVATIONFLOOR\,(AVERAGEELEVATION369')\\KEY:\\\\-Pl.ANBOUNDARIES---Cl.OSEDJOINTS\"JOINTSTRIKE\\VERTICALDIP\\SCALE:\\\0!lFT.\\\\\\\\\\\\\\\,\\\\,\,\\\\\\\\,\\\\\\\\\\\\\\\'N-472479.5\\\\E-1904893.25\\\\\"SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONStructureMapofIntermediateBuildingWallExcavationFigure2.5-28 NSCALE9.==SO&!!!!!!ljjOO==lrft.GeologicMapofNorthDamExcavationSOUTHCAROLINAelECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATION-L.'TSOI-.,MU----__TELIT_Ollie:COIITACTA-.£LOCAT_:'lI"-wc:c:-.u"0"_-...KEY:--'.....ITE...P(GllATl1'lDIK[GMNOOIOItITl.'**'GlMTITtlOGlOGlOGoiII------i------+-i__-.D_"'_.0UNITONEINVESTIGATIONAREAt******Figure2.5-29
  • N.'..-,.",'".(i._*****"';"(;',.**KEY:SCALEStructureMapOfNorthDamExcavationSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATION.,'0<,:.:SHEARZONEMAPPEDATREACTORMINERALIZEDFRACTURES,DASHEDWHEREINFERRED,DIPASINDICATEDI80***

FRACTURESSHOWINGNODISPLACEMENTTOTAL=247POLESN'.......-...........+....:...Ew......,..NOTE:STEREONETDIAGRAMOFPOLESTOSITEJOINTSWHICHSHOWNOPLACEMENT(EQUALAREA,LOWERHEMISPHEREPROJECTION).sSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONStereonetDiagramNon-DisplacedFracturesFigure2.5-31

• • • • • • wNOTE:STEREONETDIAGRAMOFPOLESTOSITEJOINTSWHICHCONTAINHYDROTHERMALMINERALSAND/ORSHOWDISPLACEMENT(EQUALAREA,LOWERHEMISPHEREPROJECTION).N+sPINK-FILLEDFRACTURESANDNON-FILLEDFRACTURESSHOWINGSLIPTOTAL=85POLESE*SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONStereonetDiagramHydrothermalMineralizedand/orDisplacedFracturesFigure2.5-32
            • ----SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUClEARSTATIONNOTE:SKETCHOFTHEN60ESEGMENTOFSHEARZONE3ILLUSTRATINGTHETHREE-DIMENSIONALGEOMETRYOFTHEDISPLACEMENTASDETERMINEDINTHISSTUDY.NOTETHATDISPLACEMENTALONGTHESHEARDECREASESTOTHESOUTHWEST.(NOTTOSCALE)BlockDiagramofShearFigure2.5-33
            • ,"-'"SAMPlEfORTHINSECTIONISH-4iANDAGEDATING\I",MIGMATITEOfGRANODIORITECOMPOSITIONROCKSURfACEProfileAlongAngleBoringA-1SOUTHCAROLINAELECTRIC&GASCO.VIRGilC.SUMMERNUCLEARSTATIONZOO220PINKFILLEDSHEARS243.0'PINKFILLEDJOINTTOTALLENGTHDRILLED*253.0'ISO160PINKFILLEDSHEARS140182.5'PINKZONEI"THICK..........PINKSTAINEDZONEZONE120PINKSTAINEDGRANODIORITEANDJOINTS100PINKFILLEDSHEAR806040GRANODIORITEMIGMATITEOFGNEISSICCOMPOSITION20Dgt{JKEY:oA-I360340320200300220180DISTANCEINFEETFigure2.5-]4
      • 420040002201130200110*2217161520112II876**DEGREES28SOUTHCAROLINAelECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONX*RayDiffractionPatternOfLaumontiteFigure2.5-35 N\100200IIMILESo!50100I,*STRESSINBARS-DIRECTIONOFCOMPRESSIVEFORCESOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONMapofInsituStressesinthePiedmontAreaoftheUnitedStatesFigure2.5-36 THRUSTFAULTlHACHURESINDICATEOVERTHURSTSIDE)-t-SYNCLINALAXIS-i-'ANTICLINALAXISNORMALFAULT(HACHURESINDICATEDOWNHtROWN510ElNRegionalEpicenterMapSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONFigure2.5-37STATUTEMILES00ii00ISOUTHEASTGEORGIAEMBAVrENTLEGEND:oINTENSITYY.INTENSITYnOINTENSITY.INTENSITYoINTENSITY:IXoMAG.3.0-3.3*MAG.3.3-3.783*84*KEYCONTOURSOFBASEMENTROCKSURFACEBASEMENTROCKOUTCROPENCLOSURE___UNDIFFERENTIATEDFAULT_i__MONOCLlNAlFLEXUREELONGATE,CLOSELYCOMPRESSEDANTICLINE,.,."'"ESCARPMENTREnfiENCIE::01"TNt:l1S,CU.N.,........,0"TECTONIC.,["TURESWE}It:TAKENFJtO...lI"OftTtQN0"THE"TECTONICBYU.S.G.'.AND."P.G.."e2,(SI[[T[XT,0..:SEISIIIOLOIYTSYITEMIIItQIIOat:O*****

KEV:/{.::.:.:..}*****i***......................TH!::SESYMBOLSREPRESENTTHERELATiVE51ZESOFTHEEARTH-QUAKESANDTHEIRAPPROXIMATEEPICENTERS.THEYDOrmTDEFINETHELIMITSOFTHEEPICENTRALAREASORFELTAREASOFTHESHOCKS.SEETEXTOFREPORTFOROISCUSSION.20I10LocalEpicenterMapSTATUTEMILES10010il'!!!!SOUTHCAROL!NAelECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATION

REFERENCE:

THEBASEFORTHISMAPWASPREPAREDFROMPORTIONSOFTHEFOLLOWiNGUSGSSTATEBASEMAPS:SOUTH&:NORTHCAROLlNJl..,1970.FAULT(DASHEDWHEREINFERRED)ANTICLINALAXISSYNCLINALAXISCONCENTRATEDRESERVOIRHICROSEISHICITY--+----+----,IIII'-_...J*******Figure2.5-38 NOTE:AFTERDUTTON,1889*******100o100200milesSOUTHCAROLINAELEc:rR1C&GASCO.VIRGllC.SUMMERNUCLEARSTATIONCharleston.S.C.,EarthquakeAugust31.1886.lsoseismalMap*ModifiedMercalliIntensityScaleFigure2.5-39 T:,i'I'I.,i'J'..,....-1"-t,Ij'11/(1':,I'1'.,j,r;'III;,10':H{'I00,;*.',o*"to09a'll,*1'/,1...I0°1o*;III::'d::,lj;u]liilLul!',3040506080.0033020PERIODINSECONDS20108654321.00.80.60.50.40.30.20.1.08.060.040,030.020.Ql60111lfTn!rHl!1l01lrnlrrr1111rIIIt;-h'Ii\:nrrrrrrtlT'If:':1r';;Ii:f'I[I!IItrtlmhnr!rrntlJlrlrllllHlII'11111:11.1iI,:II50:X.://'.SPECTRAAREFORAMAXIMUMHORIZONTALGROUND'40.'<,*'./.y.)\ACCELERATIONOF15PERCENTOFGRAVITY-)'",1//".'/,",.'</I.II")<VA'IY"'to'j00"".t.',,/'<.\./!/y,.j'..<'/'/.:/t"/(',"\.j(I";,./II<A""').'""/,\'/'I*,'-1/'AJ',,',,v'j,."'.1_.....'0*,-'J.'<c.."0,,'//.//.'","'"/.I,,'\./"...oJ./0I"//)',>""'\.)0*I'")0.,,'....,/f/.X\.(>.:r"'-...."//'".)","t"1>((900I",//-:*{'",<)..rO'f',j*."."'01I',nl",\,,-.,::r;v.;o/"/'")<"""/-0,/1:tP'l¥-t.'"\,./'/'0>i'/,"0_,....1.......1'So(\X.,,""/'0'I,1><}'x10-'."'";r.'S.'r..../'>-¥*"'t9y/...,-(/'.i>'<.J!>>/'/,'",\I0'<.,:rr>>/',,,'"',..../A,8'K/t/.)<,1-"t*,-I//*,.j',.v,".-,-,,'\./..f'f'-""'."-)-//J(1,/,-1'-,)('...*...,//,/,'y,.>,I.(').:-.y,,/',/'.X',,'f't/"1>'///f-.ttlv'/,,',',......<9.//'I>.5,It;"i-'b.-'?*-,-)0I':.-1/"....}..,..-,-(O':':\c,L-r'.-.,-_i.-I<l',>4.,./'/'j/I">.'f<x...>..........//,4,IfY"*7'-.'rA,'-L.,...,..-0,r-..';-/,x:J.'f<I..*<xf-,C:.:-.!',Y'-I/",*'/'I.K.",""'y'x'/'"'-<'y;x/,/J/....",,,,,,)t'""-'t't';j'*'"'...'l',/,Ii',,,',-',.>.:'.}.,/,Il'<//I,)<I*.'-'.,(*.3.../1xI1-/"/f1,."\//'/)'\."LA.'\."U"'"""/c::...,1I,"l.</{/'"...,r'-'0'R:--"'\.'/',/:='"\/"""/.('/,f>:;x",:).f/f.(/'">,,""/-I",0,('I'->'b'/,'--1!iI....,.,">'<9\(',1*"<'t......I)./'/<0<iY-"(f"¥,"i'/I,,'x,"tIII./.tI./J;'/.,/II,'.../I*,1**,t!"'",/{'",...f0-".y',{1I..0.9->,'rI'.'///'x'",01......>.",..,.....'t":j,I.."I//*/".,>,I0,8<"'ijrx(,{/.I"--...10'Yj/,,,\:".vt,.I,II*1)-I...,/AI..p,.,\,0.7--1'/fr/7'-/'"./,-.;,*/tt,x0'/nib',,'",I".'!I..0'"*0.6--=r*l'<"/t',.j'y'I'/./.I>0'<,..1I.0':o{./0.51b})i,'O"'>I'/IY1.;.1f'<9*'-,:0.*,I°IIS!'""*°'"_enV*,1I'\.'Q)o.,*.',*0"""':..'0.4f,I'"'!I'j.y.....I,,,"'<t/.Y*.*l'*'oO':,',V",.'.jj,.'C!If,,.'°.':<",'.Iy0",t.....IIi_",,-'(','".,/09'*'.I,-',Y.I".....0.3fI'...,,AA.},I'.,)t.l.','.,.,*C!O>*.>'0'I:!1-'I109.,rl.r...;:'".,,.'"y,1II1,:l'IIiI,:,Ii:;!":.,I'::I"Ij'rI'.rII0.1,IIJIUlliUJlI!!lIdil1IIIIfliiJJlllUliliU'LJJIIliJillI!lJllllllltiIIIJIIIIJIIJlJ!lliJlJIIIIJlIII.IIILII!l1Ii'i'::,Jlltlllll".05.06.08010.20.30.40.50.6081.0Z345681020fREQUENCV(HERTZl0.2ozoowUl"Ulw:roi!':i!':!:o3w><Vl-0;x:Ie,I('("\Vl):>e;x:lszem("\("\,-Im;x:l;x:I("\Vlf20-ICl):>):>:::lVl0("\z9IVlO":l.10N"nOO.-+::J..,.....CQlQl::J*_O-VlO10Vl100-mo.to::JVl::J.....;x:I"';x:IoC10nnIII".-+"010::JIIIIII10"toC..,10IVVI;,.o .,otf'/;.,'/,t'00.lO0;/;.,:0'1'00,,/,,tI>0',0..(,0°,to*...1*PERIODINSECONDS2010865..32to0.80.60.50.40.30.20.1.08.060.040.030020.01IIIflrrp,tttlhlnlllfll1ll1"1IIITTllli1ljljilffIJlTI11.11;t!i\l;;liillffi1:'1,ii"l";;'/'i'.,'Ifllll;11111[11':nllll'.l,I,(I,II,x/.',.I.,...'..,'....<II'Itt,,Y"'.".tl'<>L...*/x."*,/'.,.:I/",'/*0\-/*l"/',Y,<I'..<""1;/,),(),,il,,/j"'./I/')ta'"/>/XVII..'"--"'Yo....0>"0"./,/,,.-:t,*II,,'../..r"'.t/:/h,J.a...'<'-'{'.,\]'?',""I'>,..1-,,"<,II/.f/."','""""0I./j"1*,,t,.100>",IV\oi'(j"",t-.,,,:,.,...."'."\,Jl.Jr.,......f!bfIII"0,....*6'0.0,.I0**..',.".1.I.....en.."'..***f...,j.....k'}*I'I/llb'/".*...'0....*...":.)1'<'v.')1'<*Vj1,'..::.'b"..*l....r*jC'::>'>/.",/'.','<.*/f.y,.,'./I<'fer...,"'."/I.,'.<:"..y'-/j',,,':,..:-I"','.\<':>t,)"...,.'.....' "00''i:/."j..*....t"_*,.7.',.,/.\'",.'.,j'"iI'0,./.1,,"Wl"of,I"/;(:t,'\.!',YI/1..'1'"i.,.---......."t".'"A,,,."./,..,..J<I','J,-t,'//....,";,',j,.:..,//.'".j'II"I',,'/',',I."I..v.'"...>c",'f1-{I6D//I-I,"\'<'/>1<_.,--\.\.,',."/I/I,'""'"/,/,1./*'('/A,.":....-."./.\../.1.'*0.....,'.r"".',i*'-,X&-;/';I,',<,,'\....,-""\.I'...""/;-/t-'.)'.<:0,,t,'.,.I.."',":-f,."":.r'"."'1-<;;'//;.I',.k"'1',f...oJ"/O/-<.y/,,">I'.""'j_/1.:/'y,..;""-',':,,I,/I/,.....x',/.,Irry*-<.I.....,'.....,,',.f'/....,9./<.,1.'*Y0"I"r"""J(I.l'.<',;;0/,oY,'r:'.,'"v.,"',yl',/','/'.f'o'f{.....,,*,,1,.,6'.,,1'.1J:/<.".-".e-":--4"..l"...r":f"I.',./.[,,1.,o\.*:..'I,/'rA,'IrJr<'-,'(',t'j;/',-.1'I'.17-.>'<'1/'1-*';--,"0'"'.-,,'".\:....*,,,.If,,,,0//*'....','..'--I..v*0"-',.I/..,..""p'VI..Ll).//"1'f.**i-.'I*t.>>/.0,_.,:If).fO**".j,I0':O{..,f>>,'0.'..,,/,*Il..lt*6'.'"<."',tt,J,.qol6',,y,.jv'v6':....,yI*l'+,),...'...,O*.\;.,'.IJ)°r°,,/....'I,.'>>.'0"j:01.;'</09,",I*......,1,......I/,*0'I',,.,'f1"0.>>q-3.,I'0'1-I'.'I1*'<,rI,,',.I,.,v,I',q/oI'_erO-...,['SPECTRAAR.EFORAMAXIMUMHORIZONTALGROUND!1ACCELERAT'ONOF?5PERCENTOFGRAVITY:.I"1111;1111iii:!,IJIIIIIlilli,11111"111IIiIIjillilj,IIII!1111111JI!IIIII/111111111JI!:IfIII:Ii"I1111!.11iIII!!I:II"I11IIIJII.05.06.080.10.20,30.40.50.60,81.02345681020FREQUENCY(HERTZ)0.1210987654605040302030.30.41.00.90.80.70.60.50,2czoUI&l(I)....(I)I&l:ru>-!:uo..JI&l><Vl-0;oc8....r-I('f)II'P.;0ComZ;oPcmpQm;O;of)VlQO....G1PP:::!V\Of)z9I11'0-0:::l.IIIN..,,""0o:::t::lCQliti::l0-11'0IIIII'IIIo-mVlo.to*::l11'....;0oCIIIc"U....0III::lVIVIIII.."<0C....IIIIVVIi.-' 51*'"II)*litN-NII:...:z:9>-:IIuz...:::I0...II:...aaOHOOllS/UHOHIHI4.1.100131\SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONHorizontalDesignResponseSpectra*OBE*StructuresFoundedonRockFigure2.5-42

• • • • • • • 0"0:>>311':1":>>'"HIg*.....or..N-N..a:...:z:9*dZ...0...a:...ord...dNdSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONHorizontalDesignResponseSpectra*aBE*StructuresFoundedonSoilFigure2.5-43

---

0g00000000008....Lt'\0.........-g:.......::t'&r-0\0N('t')&&--.-......u'\0\0'\-............-------.-wwwJ_l*w....w....wwNMONICELLORESERVOIR...J-2--+-----VIRGILC.SUMMERNUCLEARSTATIONN473,000IN471,500IIN470,000I*ILEGEND:.........SURFACEWAVELINEI*SHOTPOINTLINE3L_**GEOPHONEPOSITIONLINE3-*******SEISMICREFRACTIONLINE..BORINGAR-6...AR-7AR-8APPROXEAREASHa.JNONIGURE2.5-45SCALEINFEETo5001000,!!SOUTHCAROLINAelECTRIC&GASCO.VIRGilC.SUMMERNUCLEARSTATIONPlotPlanAFigure2.5-44

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380420fTIrfTI<1>-f400-0zz"(TI380fTI-f460440360D'""""""""""""""EMERGENCYDRAWDOWNEL.418'-0""""3"SERVICEWATER\-,UMPHOUSEIt.ELECTRICALDUCTBANK---...Cl.CIRCULATINGWATERPIPEIct.SERVICEWATERDISCHARGEPIPESII*APPROXIMATETOPOFROCKDEMINERALIZEDWATERTANKCONDENSATESTORAGETANKPRINCIPALLYMICACEOUSSILTYSANDSROCKPRINCIPALLYCLAYEYSOILSBORING3-8420360460o440l.LJl.LJLLZZ400o.t-<<>l.LJoJl.LJ340340320VERTICALSCALE:,II=20'HORIZONTALSCALE:111=50'LEGEND:ZONEIanFILLZONEnORmFILL320NOTE:LOCATIONOFSECTIONISSHOWNONFIGURE2.5-46SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUClEARSTATIONCrossSection0-0'Figure2.5-80 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• • • • • • • IAPPROX.50'CONDENSATESTORAGETANKFa!XCAVATIONLIMITFORCONSTRUCTIONOFTURBINEBUILDING.FINISHSITEGRAOEEL.435'TANKFOUNDATIONPREPARATIONAPPROX.EL.400W,F440I-420wwl1...Z0-I-<<400>W...JWAPPR0X.TOPOFROCKEII/::I/I380SCALE:,"=20'HORIZONTALANDVERTICALLEGEND:COMPACTEDZONEmMATERIAL(FOUNDATIONSUPPORTZONE)COMPACTEDZONEI,D,ORmMATERIALINACCORDANCEWITHCONSTRUCTIONPLANSANDSPECIFICATIONSSOUTHCAROLINAELECTRIC&GASCO.VIRGilC.SUMMERNUClEARSTATIONCrossSectionF*F'NOTE:LOCATIONOFSECTIONISSHOWNONFIGURE2.5-46Figure2.5-82 Y.l4.1O,4Z.4?z.co_10_'9.'I',,.'.16..2'3*".76.014-zoo-.005"'".07402000ac.oeo*'00000'c16.c*LIqUIDLIMITPLASTICITYCHARTGRADATIONCHARTPARTICLESIZEfiNEG""'vEl........COAltstMATE/IIALSirEC088lfS76'3-*8OJLOfAS304'12*SANtiCl""SlZES'L.lSiZE0..,00IVCH0....""II::::;1/ellICL[71III,0VTMH8OHiI/'Ii,0V,Ii".MLOL!0saOIlt'AII'CI.",......O......cS,,,,YC"**50',-0."".'ltc.'._c""*.1It.010S."Ol,GA.YII.,,'"ft.-.DS,".",,1Ollt..o"lfCSUICMtGa..,cS'LTS,.C:.ClOUSO.o,.,o.aClO"'S,...1&110O.s.",.SOII.S......,Cc"a.,0'......""asT.c.".'a,Cl..,...11IOMJa.'C("a.s0,1.0.'0.101_Pl,.."..c:".,....yl"'"CL**S.,a""'"(".".,'IL'"(I."'S."Ia..(".y,OM."'Cc".,.,0'_O.U_TO...."LaS"CT'.o.....e:ilL"S."*,,S""os...**o*s.",.'.'.11"1:."','""'."',.......OIL'**,,,"'I.o**a...e:cOlln:_',.1fO.....C11"'1."0YCA,,...'ft...o"IIOCCs,,,,y011c".nT'llflS411O'ottC,,"TI'I'"TS..,.1&.,"',p"a.,.c.,,,'OOIlt"Y-GIIt.OfOS.IIl>I,..lItaYI""..a.os.".",,1OA..0,**sCLa,a'G_aya"s.GIIt.Yl,,*sallO*c"..."'wlltll"..nGIIt.C"**G**'tIL-S&IIO****,,,,IItI:S-eh.'**0104*..,.....'...._1......0."'\,Jarl."'."",O.-a,,11(1,"OOIL'****010p"wt..S......".....'**0***TUltIS.10.,,,,,(oaIiIO"..sOLCLOHMHPTMLCHSCSMSWGMSPGCGWGPGRAPHLETTERSYMBOLSYMBOLTYPICALDESCRIPTIONSCLEANSANDtUfT"l011.0,,'0',110I."'"Ii!l.!!.l!,....so1.'0","0LI**TIo..1J.J,.....soORGANICSOILSSILTSANDCLAYSSILTSANDCLAYSSANDANDSANDYSOILSHIGHLYSOILCLASSifiCATIONCHARTI.DUALS.,**O'-SAIt!uSEOTOINDICAnIIORD£Rt.INI:CLASSifICATIONS.'2."HENSHOw,.OHTHEBOA'NGlOGS,THErOllOWINGT(RMSAREUSEDTOOUCRIBETM(CONSIST'bCy011CDMEllvtSOILSANDTHE.RELATl...ECOMPACTNESS0'COMlSIOJILUSSOILS.FlHEGRAINEDSOILSMAJORDIVISIONSNOTES,GRAVEL.ANDGRAVELLYSOILSCOARSE:GAAIN[0SOILS""1(,.......soOf'."'lEft.al,.**lOG..hr"f(MO.'Too...10"O'**1'**,&,"ISIoA!I1a,....IiIO.cIO**rvI'InINDICATESGENERALIZEDROCKPROPERTYINDICATOR{DETAILEDDESCRIPTIONPRESENTEDINSECTION2.5.4.4.1}1.RELATIVELYMASSIVEFRESHROCK2.RELATIVELYMODERATELYWEATHEREDAND/ORMODERATELYJOINTED3.RELATIVELYHIGHLYWEATHEREDAND/ORHIGHLYJOINTED-ROCKIDENTIFICATION-pllINDICATESUNDISTURBEDSAMPLEWITH3INCH0.0.SHELBYTUBEHYDRAULICALLYPUSHEDINDICATESDISTURBEDSAMPLEWITH3INCH0.0.SHELBYTUBEHYDRAULICALLYPUSHED..INDICATESUNDISTURBEDSAMPLEWITHDAMES&MOORETYPEUSAMPLER{3.25INCHES0.0.,2.42INCHES1.0.SPLITSAMPLER}INDICATESDISTURBEDSAMPLEWITHDAMES&MOORETYPEUSAMPLER*WIINDICATESDISTURBEDSAMPLEWITH2INCH0.0.SAMPLER{STANDARDPENETRATIONTEST}WIINDICATESDISTURBEDSAMPLEWITH2INCH0.0.SAMPLER(NOTSTANDARDPENETRATIONTEST)[]INDICATESSAMPLEATTEMPTWITHNORECOVERY2;II'INDICATESNUMBEROFBLOWSREQUIREDTODRIVEDAMES&MOOREORSTANDARDPENETRATIONSAMPLER1FOOT.SAMPLERDRIVINGENERGYISDESCRIBEDONEACHBORINGLOG.TwllINDICATESUNDISTURBEDSAMPLEWITHDAMES&MOORETYPEUSAMPLERANDTHIN-WALLEDSAMPLINGTUBEATTACHMENTHYDRAULICALLYPUSHEDINDICATESDISTURBEDSAMPLEWITHDAMES&MOORETYPEUSAMPLERANDTHIN-WALLEDSAMPLINGTUBEATTACHMENTHYDRAULICALLYPUSHEDTW[]INDICATESNORECOVERYWITHDAMES&MOORETYPEUSAMPLERANDTHIN-WALLEDSAMPLINr,TUBEATTACHMENTHYDRAULICALLYPUSHED*****DLLv....><..GRANODIORITEMIGMATITEOFGRANODIORITECOMPOSITIONCONTACTBRECCIAMIGMATITEMIGMATITEOFGNEISSICCOMPOSITIONCOMElrvElOlLSICOKE:SIONLESS10lLIC.'PRox.....nSHEARINGSTA[M§THlilttlSFI"11£'"SOFTLasT..._25VERylOOS(THESEAREUSUALLYsonTOl.ooSEBASE.DOH&IllEllAMINA*.QUItSTIf'0$TO'.0M[OIUMDENSETlON01SOILS...PLU,ST'"*0TO2_0ItDENSEPENETRATIONMSIS'-vEltYSTIr,20TO4.0VUTDENSEANCE.ANDsan.DEfdlTYM&RO"TPT'MM4aOATA.*INDICATESPERCENTCORERECOVERY=LENGTHOFCOREX100LENGTHOFRUN9085LINDICATESLENGTHOFCORERUNINDICATESROCKQUALITYDESIGNATION{RQD}{RQD}=SUMOFCORESEGMENTS4INCHESLONGX100LEGNTHOFRUNSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONUnifiedSoilClassificationSystemandKeytoSampleTestDataFigure2.5-83 SOILSAMPLERTYPEUFORSOILSOIFFICULTTORETAININSAMPLERCORE.RETAIHINGOEVICEALTERNATEATTACHMENTSLOCKINGRINGSPLIT"ERRULESPLITBARRETHIN.WALLEOSAMPLINGTUBE(INTERCH....GEA.LELIHGTNS)CHeCKVAlvesVAlV!!CAG!!CORE.RETAINERRINGS(rl/2M0.0.BYl"I..ONG)CORE.RETAININGNl"l----OEVICERETAINERRINGRETAINERPLATES(INTERCHANGEABLEwiTHOTHERTY..es)NOTCHl!S"ORENGAGING"ISlIINGTOOLHEAOCOUPLING.ATEROUTLnSSPLITBARRELeTOIIACILITAT!REMOVAL0'CORES4....E)NOTE,IIIHeADEXTENSION-CANaEINTlIOOUCEOanWEENIIHIAO*AND*SPl..ITBARREL"SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONSoilSamplerTypeUFigure2.5-84
• ,"BLOWCOUNTRELATIONSHIPBASEDON*ON-SITECORRELATIVESAMPLING.(lLEASTrlT)*DATAOBTAINEDINPROJECTBORINGS*510501002003005001000BLOWSPERFOOTSTANDARDPENETRATIONTEST,..----------------1SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATION151010001CONSISTENCY-COHESIVESOILS*VERYSOffiSOFTJMEOItJ.11STIrrIVERYIHARo-500S1IFrSTIrr________DENS,TYGRANULARSOllS*VERYLOOSEILOOSE(MEDIUMDENSE-Q.3zx200Ou-z0:0Bt::i100t--------+LON'COUNTPERSTANDARDFORMULA--;.o:::--_/o:i:j*50I<10(/)..J"-80('1")..t-a:::Ow0..J....0.o:Xw*n.CI)<no10=I.C\N.('I")......*CONSISTENCYANDRELATIVEDENSITYSOMETIMESINFERREDFROMSTANDARDPENETRATIONTESTSNOTE:DATAILLUSTRATESINFERREDCORRELATIONBETWEENBLOWCOUNTFORSTANDARDPENETRATIONSAMPLER(DISTURBEDSAMPLES)ANDTHELARGERDIAMETER3.25"o.D.-cL4"1.0.,TYPEUSAMPLER,(RELATIVELYUNDISTURBEDSAMPLES)USEDFORMOSTOFTHESAMPLINGFORPROJECTSTUDIES.CURVES1AND2AREBASEDONSTANDARDANALYTICALEQUATIONSWHICHCON-SIDERINFLUENCESOFDRJVINGENERGYANDSAMPLERCURVE3ANDDATAPOINTSAREBASEDUPONCORRELATIVESAMPLINGONSITEAT5LOCATIONSUSINGBOTHSAMPLERS.EmpiricalCorrelation-BlowCountandSoilCharacteristicsFigure2.5-85

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• 8fOO9fOO10100HfOO180Of00**140II)2100....80i::60*4020**'.Note:timescorrectedtoassumedhorizontalgrade,elevation482feetSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONSeismicInfractionLine1Figure2.5-88
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  • • • ....*EL.435'*El.435'-*REACTORBUILDINGEL.408'EL.420'lOOYr""00YO"2'Yw"21.---SCALE:,":20'Hav(KoYF",+KOYb"3tYCII"3JAUXILIARYBUILDINGEL.374'LEGEND:Ko=COEFfiCIENTOfEARTHPRESSUREATRESTYf:UNITWEIGHTOFBACKF'llYb:BUOYANTUNITWEIGHTOFBACKFilLYw:UNITWEIGHTOFWATERREFERENCE'fSARFIGURE3.8-68(NOSCAlf)SOUTHCAROLINAelECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTAnONStaticLateralEarthPressureDistributionDiagramforTypicalRigidWallsFigure2.S-90a El.374'REF:FSARfIGURE3.8-68(NOSCALE)LEGEND:tlKE=COEFFICIENTOFDYNAMICEARTHPRESSUREKv=VERTICALGROUNDACCElERATION/gYr=UNITWEIGHTOFBACKFIllYb=BUOYANTUNITWEIGHTOFBACKFIllYw*UNITWEIGliT0FWATEREl.435'El.435'REACTORA'N"II"'""N?,".,,,""I'BUlLDING[KE(I-KV)YFHi]AUXILIARYHIHIBUILDINGQEl4Z0'El4Z0'[KE(I-KV)YFH;tKE(I-KV);;H2[KE(I-KV)YFH,+YbH2tYwHZ]El.408'lKE(I-KV)YbH3+YWH3]SCALE:I"=ZO'HavH3*EVALUATEDBASEDONMONONOBE-OKABEAPPROACHASMODIfIEDBYKAPllA(FSAR,2.5.4.10.5)SOUTHCAROLINAElECTRIC&GASCO.VIRGilC.SUMMERNUClEARSTATIONDynamiclateralEarthPressureDistributionDiagramsforTypicalRigidWallsfigurel.5-90b

---

'DISTRIBUTIONaMAGNITUDEOFDYNAMICPRESSUREOBTAINEDFROMDYNAMICANALYSISUSINGUSING"FLUSH"FINITEELEMENTPROGRAM.663pa'663psfDYNAMICPRESSUREE'(SSECONDITION)HYDROSTATICPRESSUREINTERNALFHYDROSTATICPRESSUREEXTERNALFSTATICEARTHPRESSUREHlE)l)I'll..*..t.-...........,......:':V'9:'El.435.00:tr',:..::(TOPOFFil,,).k"-9\\Y4'....,',...,."..#**'...I,.-....:X.,425.00'El.(WATERTABY",NXX,','"*0*'0**,-**,.lII,ItAiEl.390.00':..:yI,":-'".**'.,,0"wi".....,...,'".............*****Ko=STATICEARTHPRESSURECOEFFICIENT(ATRESTCONDITION)IISATURATEDUNITWEIGHTOFSOIL*a'IISUBMERGEDUNITWEIGHTOFSOilI.IIUNITWEIGHTOFWATERSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONServiceWaterPumphouseLateralEarthPressureDistributionFigure2.S-90c

• r-,--r----.--j-.--.-,-::::=SERVICEWATERPONDEL.425.00'Y\*'.*':."..-0;",".-:***=..',"'."......1:r':****:*".:,I:,.',.'*.:",to.*..".....*.t:."'.,,'.*-.**"..,*II...**....II*,,'......,.***_."",".,.-.:I:""..:-=--r-i.OFFILL,EL.VARIES19FT.,IrIIt-=La.N***SERVICEWATERINTAKESTRUCTURESTATICEARTHPRESSUREHINTERNALANDEXTERNALHYDROSTATICPRESSUREFDYNAMICEARTHPRESSUREE'***KO*STATICEARTHPRESSURECOEFFICIENTFORAT-RESTCONDITIONSDYNAMICPRESSURECOEFFICIENT(EVALUATEDUSINGSEED-WHITMANMETHOD)1m*MOISTUNITWEIGHTOFSOIL1t*SATURATEDUNITWEIGHTOFSOILIb:ISUBMERGEDUNITWEIGHTOFSOlL1.*UNITWEIGHTOFWATER,*'1mFORENDOFCONSTRUCTIONCONDITIONaFOROPERATINGCONDIT:ONSSOUTHCAROLINAElECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONServiceWaterIntakeStructureLateralEarthPressureDistributionFigure2.5-90d
• DYNAMICPRESSUREEORE'HYDROSTATICPRESSUREF(OUTSIDE)HYDROSTATICPRESSUREF(INSIDE)STATICEARTHPRESSUREHflo423.00',.'.Elo425.00',°:1"fl.410.00'fl.408.00*....******STATICEARTHPRESSURECOEFFICIENTIIK*KOFORAT-RESTCONDITIONANDKAFORACTIVECONDITION*DYNAMICPRESSURECOEFFICIENT=(KOE-KO)ATRESTCONDITIONAND(KAEKE)ACTIVECONDITIONrm=MOISTUNITWEIGHTOFSOilJtIISATURATEDUNITWEIGHTOFSOil1'.=UNITWEIGHTOFWATER*EVALUATIONBASEDONMONONOBE-OKABEAPPROACH.SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONServiceWaterDischargeStructureLateralEarthPressureDistributionFigure2.5-90e

-,----LEGENDN471,400N471,800N474,oOON471,200N47l.800N471.600N473,OOON472,OOON472,400N471.600N472,600N472.200N472.800Figure2.5-91.SiteandBoringPlanServiceWaterPondSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONMONTICELLORESERV8'"DAti1--+1-+--DISCHARGECANALe50-2e"D-!9NO-ISe"0-2*eND-25eNO-24e"0-23e"0-22....,'*JT'C:ELlQRESERVOIRe"0-5rNORl'HIHo-sfe,IND-30eNOWNO-7'eWO-9\o-I2AeWE-4INTAKEWD-see.,,/,/eWE-5WE-3e"'",WE-6WE-2WE_SERVICEWATERPONDWE-Ie7SERVICEWATERWD-IOeUMPHOUSEeWD-6eA-IeBoringLocation-(IDProfile-SeeFigures2.5-96Through25-103eA-JeWD-2'*0-5;)-,"."*RWD-5eA-6WESTEMBANKMENTIeA-7eA-8*A-9eA-10A-iI.*e55-4*A-12SOUTHJAHe5S-eA-13*A-il+eA-.'-16*A-17eSS-5*ss-:*NOTESeA-18eA-191.SEEAPPENDIX2-FFORBORINGLOGS.*2.LOGSOFBORINGWITHnAnPREFIXESARENOTPRESENTEDINAPPENDIX2-FASTHESEBORINGSWERENOTPERTINENTTOEMBANKMENTDESIGNATSERVICEWATERPOND.000000000000000000000000**-,".,*lIDct0000000...'Pi"oct-Cl"......*A-20.,'.'.'litiii':'..E000*1ftiii****.....00000'.00;.0000...0:-:....0:-.....s:*------......----__4;...........................................* SOUTHCAROLINAVIRGILC.SUMMEELECTRIC&GASCO.RNUCLEARSTATIONLocationPlanBorrowSourcesFandGFigure2.5-92

• • • • • H!50-1ifNij72200TOEOFSOUTHDAMHij72000.5D-9HaTE:SEEFIGURES2.5-9ijAHO2.5-95FORTESTRESULTSHij71800*8<0'"<00g........*,-----------------,SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATION....t-----------------;CrossHole,SeismicLocationPlan,SouthDamFigure2.5-93
  • 300028002600Bil-lEAST2tWOBH-2CENTER2200BOREHOLEALIGNMENT(ALSOSEEFIGURE2.5-93)2000SHEARWAVEVELOCITY,Feet/Second1800ELEV.376.8----",:".rr1600ItWo120002.55.07.5...CDCD10.0...=0-Yo!12.5=15.017.520.0******SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONShearWaveVelocitiesTestArrayNo.1Figure2.5-94
    • • SHEARWAVEVELOCITY,Feet/Second**BOREHOLEALIGNMENT(ALSOSEEFIGURE2.5-93)o2.5180020008H-6SOUTH(SOURCE)22008H-5CENTER211008H-"NORTH26002800300032003110036005.07.5I*,....19,85'hl-17.65'1Q)10.0*Q)LL.:I:I-12.50-*WCl15.017.520.0*SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONShearWaveVelocitiesTestArrayNo.2Figure2.5-95
  • LEGEND*P""lL-JFirmtoverystiffresidualloil.MediumtoverydensesaproliteVerydensedecomposedrockIntactrockSECTIONCD-CDASSHOWNONFIGURE2.5-91HORIZONTALSCALEINFEET*440420400z0380I-....<t>W-J360"*w340320;300280*260240**CRESTofNORTHDAMoi200Elev.438400;NO-14NO-15.........SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONPre-ConstructionSubsurfaceProfile.NorthDamAxisFigure2.5-96 2S-97Figure.TRIC&GASCO.SOUTHSTATIONSUMMEVIRGilC.Profile.SubsurfaceConstruction.mSectionPre-0mMaxlmuNorthaNO-20WATERSERVICEPOND\\NO-I7I20@-@25-91FIGURE.IINO-17SECTION191.3)ASSHOWNONNO-11/17NORTHDAMNO-IINO-4/11200,NO-4100NO-1/4CL__RESERVOIRMONTICELLOIntactrock*mLooseA,luvlustiffresidualsoil.Firmtoverydensesaprolite.densetoveryMediumdrockdecomposeVerydenseNO-I*LJLEGEND260280zo>UJ...JUJ****
  • I*450425400zo...Cl>\aJ375...J&AI3532"""-/ICRESTofSOUTHDAM-Elev.438LEGEND1mBLJ***..**:::..:::;...[J,.".--':.I'..ColiuviumFirmtovery,tiffresidualsoil.MediumdensetoverydensesaproliteVerydensedecomposedrockIntactrock-----o100200SECTION-@SOUTHCAROLINAElECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONIHORIZONTALSCALEINFEETASSHOWNONFIGURE2.5-91Pre-ConstructionSubsurfaceProfile,SouthDamAxisFigure2.5-98 ItPre-ConstructionSubsurfaceSouthDamMaximumSectionSOUTHCAROLINAELECTRIC&GASCO.VIRGllC.SUMMERNUCLEARSTATIONColiuviumVerydensedecomposedrockMediumdensetoverydensesoproliteIntactrock50-8LEGEND50-5/850-5SECTION@)-@ASSHOWNONFIGURE2.5-91TP-S2so-1/550-1SERVICEWATERPONDHORIZONTALSCALEINFEET/MONTICELLO/320340420300400440380z0-...<<360>I&J..J&AIFigure2.5-99
• 460440420z0400....W..Jw380360340320ED-ICRESTOFEASTDAMEI.438C-3L.EGEN()EZJFirmtoveryItlffresidualloll.Mediumdenset.overydensesaproliteVerydensedecomposedrockSECTION-ASSHOWNONFIGURE2.5-91HORIZONTALSCALEINFEETo,200400ISOUTHCAROLIVIRGILC.ELECTRIC&GASCOERNUCLEARSTATION'Pre-ConstructionSbusuriaEastDamA*ceProfileXIS*Figure2.5-100
  • • • • • zo...<t>l.&J...Jl.&J440420400380360340320EO-5/EASTDAM/.EO-2SECTION-ASSHOWNONFIGURE2.5-91HORIZONTALSCALEINFEETEO-4LEGENDLJ]",:::,<.',..-..:E],.".-..:'l'IIFirmtoverystiffresidualsoil.MediumdensetoverydensesaproliteVerydensedecomposedrockIntactrockSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONPre-ConstructionSubsurfaceProfile.EastDamMaximumSectionFigure2.5-101 Elev.435*LooseAlluviumFirmto.verystiff.residualsoilEJMediumdens.t.overydens.sop<oI;'eVerydensedecomposedrockSOUTHCAROLIVIRGILC.ELECTRIC&GASCERNUCLEARO.PSTATIONre-ConstructionSubWestEmbanksurfaceProfilementat'TopofSlopeFigure2.5-102<loL....:::>oenII50-3LEGEND(j)-(j)FIGURE25o.-91*400HORIZONTAL3SCALEINFEETSECTIONASSHOWNONTOPofFilLSLOPEex:ozrI"_.--------,,I,R'\NO-8'NO-7360340420400460440z:oI-380UJ....JUJ*I*****
  • 440420400DISCHARGECANALw.L.C-7EL.425MONTICELLORESERVIOR,-.....:-..-:.;'Firmtoverystiffresidualsoil.MediumdensetoverydensesaproliteVerydensedecomposedrockLEGEND360zo380to-e:[>&IJ...J&IJ**340SECTION-ASSHOWNONFIGURE2.5-91HORIZONTALSCALEINFEET**320oi50100SOUTHCAROLINAElECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONPre-ConstructionSubsurfaceProfile.DischargeCanalFigure2.5-103 LEGENDSTRUCTUREVERTICAlRESlllUALSOILC<l'IERSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONGeologicandStructureMapoftheSouthDamFoundation2_00W/SOUTHEASTDIPSMALLfRACTUREW/EVIDEMCEOflATERALDISPLACEMEMTSMALLfRACTUREW/EVIDE"CEOFVERTICAL1llSPlACEMENTSMALLfRACTUREEXHIBITINGSTPIATlONSVERTICALGNEISSICBANDIMGORSCHISTOSITYG"EISSICBANDINGORSCHISTOSITYDIPPINGTOTHENORTHWEsT-'MSTRIICEANDDIPOfAlINEARVEINROCKlOGM'GMATITEGRANITEORGRANODIORITEAPEGJlATICORHYDROTHERMALVEINOTHERSYMBOLSRESISTANTGRANITEOUTCROPPINGlOGBLOCKSOFMETAMORPHICROCKINMIGMATITE"\SPRINGOfSUPANDflOWDIRECTIONINFERRED0iSCALE(((iWGRESlllUALSOILCOlIERMGRESlIlUALSOILCOVER//lOG,,,-.-.....tLGrt..'..,.,,....-:.-WGlOGWG\,'.1>,"--...-,'.-.',WG""....'.,.....','.,..,,WG-'sf-',,_,<_:_....::,>.--_..__J,.,.....**_...-I?-,.-,*..---.._._.*...*._..**-****---./..."""'\0,.."......GrGr\\\\\*****Figure2.5-104 ZONE218:::t.*'.(SELECT"'_1FILL)I...NorthDamFoundationAs-BuiltPionAsso"ciatedwithOW9.No.E-726-411Rev.1Figure2.5-105SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SuMMERNUCLEARSTATIONLEGENDSUMPSEEPAGEDRYPACKEDWITHCEMENT,.OUNDATIONI'R£PARATIONAREAS-SEETA8LE2.56.3-1fOUNDATIONCONTOURS.FEET".S.L.\..SELECTFILL\42-P£RFORATEDC.IlP.--Z.CONTOURDATAOBTAINEDFROMSCE8GDRAWINGDATED3APRIL1978ENTITLED.-FOUNDATIONTOPOGRAPHICSURVEY.NORTHDAM-SECTION1-1..0ScAl.f.-4.000P.SJ.*.*----rCONCRET£_NOTEI.SUMPS6.1a8WERETEMPORARYANDWERECOMPUTELYREMOVEDASTHEFILLPROGRESSEDINHEIGHTANDEXTENT*--120--oCDTKRU---1----U.IMQ!LIN473,000I_._.\I-_.-_....._-II;istJMCEWATERPONDISERVICt:ftATE:RIINTAKESTRUCTUREiIIIIIII30",,'Jolt.0<120<1z:>rtet1IS(:A1..E.NrFFlII:'72,800c,'":<@)z<E01r-l-------------------------------,-....L.-..*nlln181nInll1l1WIlT--

,-I-I4Z*PERFORATED(;....I!'.IZ'LONG(BACKFILLEDWITHZONE2FILTERMATERIALUPONDISCONTINUANCEOFUSE.ttoOSCALf.SECTIONLEGENDSUMPDftAlllARDITC:ItTOSUMPSEEPAGE1liiYPACKEDWITHCEMENTFOUNDATIONPREPUATIOIIAREASSEE'YABLE2.S**.fllUNDATIONCONTOURS.FEET".S.L.--*.501).-*..*o(!)THRU@oo..,.:o...;;ll___.tg..ti.....wiIIIIIN."71.800----*-1----Io*oN,.:oW2,.:o...;;,MONTICELLORESERVOIR1I0TE:SUMP4WASTEMPORARYNiIDWASFILLEDWITHZONEIAND2FILTERMATERIALSASSHOWNINSECTIONI-I.ASfiLLPROGRESSED81'-....._._-,.:oCI!;:il..I.""IJ--_....-------0000*.....,;00wiwiwio000g:i:8;gg--.-------"'-t.----.--..-_.-...__.--..w_._..*----...;"1.1--------..---ooNvio"!.ooN<IioWEII8ANICIIENTI....S8...;;;1SERVICEWATERPOND..N.412,200**SouthDamFoundationAs-BuiltPlanAssociatedwithDwg.No.E-726-412Rev.1Figure2.5-107SOUTHCAROLINAELECTRICS.GASCO.VIRGILC.SUMMERNUCLEARSTAllONSCAL[*F[ET5'"li;...."tz<!.;;1IlIIIIrnlnrnlmDll 17l!i18a62IIGDH......,TYPIC"\..DETAILRIPIV-PTERMI...."tlONllU)N(OE>A'il"N>UAOlTU.'"000**uucu:...,."..,.........S1a:_.-__....-..._l1li'............_...-:e-L,:JIm........fUl'fUI..........................,............,__...mr.....".__.....mn.---....-am........§lgl§]0'2iI010.<lj".::!5.:Jw.."'.,.eo:-\\1\\\IB)/11\i'\,III'\.;II"I\I"I"-\-.....\.......,-------'------'tol4:r.ooC-21w-------t---------=r--.......---+..,---r----.--.=t-..-..-......,"UOOEBc(j.47Z8CO//;/////Hpm8§..g§';;FD.....'nllllnlnl...-...n--'AV.N.".C.R.......w.'"'::£..726..413 II**II****7*I*CSte-..-c:_-sT"r1lC_2I*FD*---.....',1:1\oN..,Z.000"-'----ICII/////'//,,'............._/';*-.........-',/LICELlOFSAAFigure2.5-109THISISANUCLEARSAFETYRELATEDDOCUNEN1.NODEVIATIONSHAl,.LBE.__f)!jSEC,IOI\)<a.'"**U)'..'SECTION4-4"""""'-"f'rtSECTION3-3NO"""-<TYPIC"'-LDETAILRIPPJ>.,?TIf'.MIN'"TIONALONGEMBANl'J'J\(lH,/SECTION2-2NOsc.u:./--_...-"IF*I***

• • • • • • • MECHANICALANALYSISGRAVSANCOBBLESCOA'-SEFIN(COARSElIlIIEDIUMFINESILTORCLAYU.S.STANDARDSIEVESIZENO.",'rED....'U.SII'IC"'tOIt..,..fl_!COl'..t"".*00200,.I,r-...:,..II:),;I,,..................,il:1%'J'"I.........I!,co;;;I:if!I,'i-or,;10':JH+'....J-.l-.t---.J4+j....l--t--_.:I!'I....--.!.I,If,,'-'..tt+h-++_.,",--0:-+-I....,-...II:ill...,I...'N.....!...---.......ZI-+.I,,Ii!-1/I'II1'II:II,..........rr;+-i,.+I,,...ZIII',;..,UIIiII,I:,;II:..IIII",,I!iI...lO,.*,,,10,.,,:,,,,I0!'.I:,,;,I100.'DI001GRAINSIZEINMILLIMETERSBORINGSAMPLEDEPTHSYMBOlCLASSIFICATIONMCLLPL1".*11nn..r::n.CH?1Il?7n.0.0-5.00CH?1Il?70C-85.0-10.0-(;H25.36626GRAVANCOBBLESCC"St,F.NE'=OAASEIiIEOIUM,FINESILTORCLAYU.s.STANDARDSIEVESIZENO.",II'I&D100.ITSTPI.,H',,'*.alI90I--I,......;..tlO.,ji-i;%,,co1':-.:,;;;.,1,..,.....*,II:JII.,;,,-I60,""......'...,,I:,:"......':It..,z"I,,.IJ..,,,z3D,;,..1,IUI.,,I!,It...,".,I1,1*:....,II,;,:'0:;",:,0.,;,I'0'0I000'GRAINSIZEINMILLIMETERSBORINGSAMPLEDEPTHSYMBOlCLASSIFICATIONMCLLP.._IlllO..ML-MH267I:\n'l.n._----_..C.-IO5.0-10.00MH'12694fi11o-1OJ.U.U-J.:',LIIMJ./23.67150SOUTHCAROLINAELECTRIC&GASCO.IiVIRGILC.SUMMERNUCLEARSTATIONIGrainSizeDistributionCurvesofFoundationSoils(Sheet1of4)Figure2.5-110 MECHANICALANALYSISGRAVANCOBBLESCOARSE'tHECOARSEMEDIUMFINESILTORCLAYU.S.STANDARDSIEVESIZENO.\,ftIH'tCD'Ol,c.....Ut"'C.f.cHt"""1.1000AOZOO,"-,90"-,,..8:)I,"-,,:r:,'",..-..110It\..........3:,,*tlEI,.,,,"-,,'III,,,,"-!"oC"-,II,II:",,"-,,...Z,,,,I.......,ii:,I,,I,,11'1-"8"0..II,-.......IIIZI,,,I,11'\.."'-,I...U,,,+-;.......II:...,"II,20,-...;:'0IiI,II-0,--l+H-H-r0,,,I!l0',0<>'GRAINSIZEINMILLIMETERSBORINGSAMPLEDEPTHSYMBOl.CLASSIFICATIONMCLLPLr-Rl'i'_?n'.CL----_..18.Z3121-----------------(,.-cs20'-25'0ML24.34732'---C-825'-30'l(ML-MHlQ7"inl'GRAVSANCOBBLESCOARSECOARSEMEOIUMFINESILTORCLAYSTANDARDSIEVESIZENO.'.....'111:0SOll"(L,U.."CAflOft,,.,11M",li'000200'00,I:+H1-+,,I........----90.,........-.......I..1',,t-",,I:,.f'....ii:......I:r:80:Iii"-0......j'!....,,I"-I.....II3:70,,,I'......."-i",i,.I!I"',:'I,i:,II60:,Ii,,,-IIII:;'1,"'".....I..."it4r-ftl-'-+jl.II,,I,I,izr--t--,;:I"I,II.'"I......,Irl.L'I,IIIZ,;,IIi::II.-...Xl,IU,II:...oilI",.,'t,I,I'"2'I,II,,,:,"-.:........',,,,,,,:I,I'""'"'0I"ill,I0III,,,,,,101:0,,OJJ'GRAINSIZEINMILLIMETERSBORINGSAMPLEDEPTHSYMBOLCLASSIFICATIONMCLLPLC-830'-35'*MH21.95733C-915'-20'0MLC-93D"-35'x14LIGrainSizeDistributionCurvesofFoundationSolis(Sheet2of4)I"SOUTHCAROLINAELECTRIC&GASCO.IIVIRGILC.SUMMERNUCLEARSTATIONFigure2.5-110 MECHANICALANALYSISCOBBl.ESGRAVESANSIl.TORCl.AYCOARSEF'NECOARSEMEOIUMFINEU.S.STANDARDSIEVESIZENO.\,1""1(0SOil.CLASS,'IC;AfIQ"SYSTI...'040ZOO'00,I-,..r--.90Ir--.II..........,I-,.i;........II:z:80",........,,,;:;;,,,:t10,II,..I!,!"',,III,I"""j!ll:I,"\.I...ZIi,i;;,I,IiII:'";I-,,I,zI,,I"l...'",,I,II;"""Ill:,,ill,,IN.........I0..20I,I.........,,III,-,r'0,0,:,;II'I,I,'0100'...'OQ'GRAINSIZEINMIl.l.IMETERSBORINGSAMPLEDEPTHSYMBOtCl.ASSIFICATIONMCl.l.Pl.IC-lO15-20*MH21.77246IC-IOZO-Z50MH25.17055C-1025'-30'lCMH21.15336COIBl.ESGRAVESANSIl.TORCl.AYCOARSEF'NECOARSEMEDIUMF'NEU.SSTANDARDSIEVESIZENO.II."UOIan.(;1.6'1('10STITIMs*lit'....0200'00,.......r--.I",......I90iI.N...\f"'""-I,l-I,,!';"""ol"I.,,:z:IlOi!!'o.I,;,1I";:;;I,,I'i"""o.,:t70,Ii"iI.....I..,I:IIIIJ'IIIII60,,"".ll:I,"I,I,I)fSI...;I,,..,Z,,i;;,II,,,".........0I-,II,II'X",z,":IQjI...30,u,,,lit!ll:IIit",,I::'C...,,lL2iIII1"-""""-,":",I',I,,,""*0,"i,0,,,;1\:,10'0,""000'GRAINSIZEINMIl.l.IMETERSBORINGSAMPLEDEPTHSYMBOl.Cl.ASSIFICATIONMCl.LPI.C-1030'-35*ML_15.34031IC-1035-400ML17.94629IC-10140-451CCL-ML[17.04C26SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONGrainSizeDistributionCurvesofFoundationSoils(Sheet3of4)Figure2.5-110I
• MECHANICALANALYSISGRAVANICDIIL.£SCO.lltSErICOA'-Sf:"[OIUMF'1'"E5ILTORCLAYUSSTANDARDSI[VESIZENO.....1'(0\0'_CI.AUtl'(A'>OtJ(11'1IQO"k'\6'*'04QZOOI""""-+--i-,0I1+-.....',,I-..%,,,,t,,!l!t.*.j.-+--.,_...I,'II!IlrTlr-Ht-j-r-..1-,--t-o-.-,.!"..*r++-t-l;tH,+--t4-I"-C..--I.......,"",--..ZIW;+-H-i."j'r,H-L.-I..__;:I1I"-00I!.."'I...--'----..*f--t"ZI11'1..U:I'IcT-I...,....I...2-,I.......1-frl+*.*10*I:I"r--I-;e-..r-fL.H+r.;-tHt.J-+I1;01,101001GIIAINSIZ[INMILLIMETERS_NGSAMPLE:DEPT"SYM8Ol.CLASSIFICATIONMCLLPcC-11b'-lU'*--._-------r-C-1120'-25'0ML----SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONGrainSizeDistributionCurvesofFoundationSoils(Sheet4of4)Figure2.5-"0 UNCONFINEDCOMPRESSIONTESTProjectVirgilc.SummerNuclearStationBoringNo.ED-2SampleNo.5-1Depth2.0-4.0Ft.DescriptionRedbrownclayeysilt(ML)MoistureContent27.3DryDensity88.6pcfLiquidLimit47PlasticLimit36Max;mumAxialStress0.812tsfi4.5%StrainIII,!I!IIr:10.8Ii":....I-"---t--V*II""..../"II1'\II___1\v.I,Iv.I'-1------+--jLIJ1iIClI:0.6V!\,....v.I1/,\I.....JI..III-'/,,I)CII..,IIII0.4IiII,JiIIIIVII"1E.,----'1'JiI"II-f--III,/I,II+-1.IiI1'Il.lJ1IIfI,-III0.2i"iII1I,IIJIII,II\---II(:lIIIIII,I1II,ft--1-l,.fii,-#1,60°.0.0/,II!,I,i,0.01.02.03.n4.05.06.0AXIALSTRAIN.%SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONUnconfinedCompressionTestResultsOnFoundationSoils(Sheet1of9)IFigure2.5-111 GASCO.STATION*******UNCONFINEDCOMPRESSIONTESTProjectVirgilC.SummerNuclearStationBoringNo.ED-2SampleNo.5-3Depth7.0-9.5Ft.DescriptionRedclayeysilt(MH)140istureContent42.9DryDensity78.83pcfLiquidLimit60%PlasticLimit51%14aximumAxialStress0.464tsf@1.0%StrainII,II,!0.5I""'"I-,/!loo....7I.............I:/-..............iI/I:I...I.-.'-;--*iII..0.4,i/I.iIt-enI,._1Ien--1-.---'i!.......,IU,CII:II-JIIenI..0.3;I!i-IIcii;,-I:>C,I,C"!!IJ,I0.2I1/IiiIV,,III:,I:-t----"...,.-IiUJII,IiI!:I'\.-+--4-I,i/!!i:!0.1I!,J1I,I+--IiIII!\900II0.0IJIII!!iI0.00.51.01.52.0AXIALSTRAIN.10SOUTHCAROLINAELECTRIC&VIRGILC.SUMMERNUCLEARUnconfinedCompressionTestResultsOnFoundationSoils(Sheet2of9)Figure2.S-111 GASCO.STATIONUnconfinedCompressionTestResultsOnFoundationSoils(Sheet3of9)UNCONFINEDCOMPRESSIONTESTProjectVirgi1C.SUlTDTlerNuclearStationB0rinII"0.WD-6SaliipIeNo.5-1Depth2.0*4.2Ft.DescriptionRedmicaceousrootyfinesandyc'ayeysi't(MH)MoistureContent32.1%DryDensity87.8pcfLiquidLilliit54%PlasticLilliit37%MaximumAxialStress1.038tsf.4.0StrainI-1.0LP-"""'"r""'o-to-....VI"-'.//0.8/.J*1/../'.tI)jtI)-'"-ClC0.6Vt-tl)/.....1/c-JCV0.4/!750iv*I1IVIVI0.2I!/IIII0.00.01.02.03.04.05.0AXIALSTRAIN,%SOUTHCAROLINAELECTRIC&VIRGILC.SUMMERNUCLEAR*******Figure2.5-111

&GASCO.STATIONpstResultsOnFoundationSoils(Sheet4of9)UNCONFINEDCOMPRESSIONTESTProjectVirqi1C.SummerNuclearSt.atinn8'0rin9"0.WD-8Sample"0.5-1Depth2.0-4.8Ft.DescriptionRed-brownm;caceoussandysi1tyclay(someroots)(CH)MoistureContent32.7%DryDensity88.9pcfLiquidLimit58%PlasticLimit24%MaximumAxialStress1.94tsf14.0%StrainII::III!IIIIIIiIIIIII!IiIIiIII2.0IIIIII!....--"",III-'"i,I....IIj..ol"'IIiI./:t-IIi.V,I;i(I)I0-"':'---t.)(I)-l/,-!+----I.I.l1.5iIi:IiClC:IiIl-I(I)I'YI!IIIII.....9IIIf!c:IIII-\IVIilI<!IiIc:lrliIiiii!1.0IifiiI1iIIi,JIiI!I!IIiIiii----,/iIiIfi:III1iIIiIi:iIiII7'Ii!-+-IiIIiII:III0.5I1III!Ii;!IIIIIIIJIIIIII!IIIiIIIiIIiI-II!Ii450iI0.0II!III0.02.04.06.08.010.012.014.016.018.aAXIALSTRAIH.%SOUTHCAROLINAELECTRICVIRGILCoSUMMERNUCLEARUnconfinedComressionTeFigure2.5-111 GASCO.TATIONUNCONFINEDCOMPRESSIONTESTProjectVirgilC.SummerNuclearStat;onBoringNo.55-1SampleNo.5-1Depth2.0-3.9Ft.DescriptionRedclayeysiltwithrootinclusions(MH)MoistureContent36.1%DryDensity83.5pcfLiquidLimit55%PlasticLimit43%MaximumAxialStress0.917tsf@3.0%StrainI\iIIII1.0I,iIl,;o-"\.'I,f\,I,IVI0.8I!/I'\I....'"IIf\...,I/iIIII.".IIIt-"b(I)Ij.JII(I)I'-j,.-+i"'"IIIIClII:0.6I,!,(I),III1IIIJI..JI!IIcIIiI;I,-II,I>cIIIIIi,Ic1/IiI!I0.4,I,i:i,i,:J:IIIIIII1/:!I1III!iiIIIiiI;IIr----',VIIiII,!)JIIIIi,I,II!IiIIII:iII,I0.2I---i,i,I,,i:I,,IiI:Ii,IIi,iIIIIII!II/I6000.0II,I,,i0.01.02.03.04.0AXIALSTRAIN.%SOUTHCAROLINAELECTRIC&VIRGILC.SUMMERNUCLEARSUnconfInedCompressIonTestResultsOnFoundationSoils(Sheet5of9)Figure2.5-111 C&GASCO.ARSTATIONUnconfinedCompress0estResultsOnFoundationSoils(Sheet6of9)UNCONFINEDCOMPRESSIONTESTProjectVirgilC.SummerNuclearStationBori'ng"0.$$-5Sample"0.$-2Depth10.0-12.5Ft.DescriptionRed-brownmicaceousfinesandyclayeysiIt(MH)MoistureContent44.0%DryDensity72.1pcfLiquidLimit59'"PlasticLimit40%/0MaximumAxialStress0.26tsf@4.0%Strain.30I,I./--.........25V'-Ii/I/iIII./I:/,i.20II1/1-+-11....II)/II1,1..../--tiII.1I1I,-Ji/-----j--'l.4l.15Il¥.-I,,II,i-'/,,II-eI-i,IfIlIlC,iII-e1/,0.1IIIII1/IiIII!./I:II.1I/',I.I;iI,liIIIiIII0,051IIjIiIIIiIIi1/:IIII!,IIIIII*\___JIIIIIIi;0.0IiI,I0.0l.02.03.04.05.06.07.0AXIALSTRAIN.%SOUTHCAROLINAELECTRIVIRGILC.SUMMERNUCLEnTIFigure2.5-111 &GASCO.STATIONUnconfinedCompressionTestResultsOnFoundationSoils(Sheet7of9)UNCONFINEDCOMPRESSIONTESTProjectVirgilC.SummerNuclearStationBoringHo.55-5SampleHo.5-3Depth18.0-20.6Ft:DescriptionLightred-brownhighlymicaceousclayeysandysilt(ML)MoistureContent24.5DryDensity91.1pcfLiquidLilliit42P1asticLilliit42%MaximumAxialStress0.44tsfi3.0Strain,:,I!0.50II./""""'"-....I."\0.40...iVtil!:\...,\/.-t--VIU)IiU)--V-iCIl:0.30\U)I\1./-'!,c./-1I)CI/IcI1!0.20/-I,I/1:/I-I----,,I.libIjI/!IiII1iI1/-.iI:,II0.10;IIIII1/IIIIIIIi450i__.L-IIi,:iI,i0.0I0.00.51.01.52.02.53.03.5AXIALSTRAIN,%SOUTHCAROLINAELECTRICVIRGILC.SUMMERNUCLEAR*****Figure2.S-'" &GASCO.RSTATIONUnconfinedCompressionTestResultsOnFoundationSoils(Sheet8of9)UNCONFINEDCOMPRESSIONTESTProjectVirgilC.SummerNuclearStationBoringIIo.C-3SampleIIo.5-1Depth2.0-4.0Ft.DescriptionRedsiltyclay(Cl)MoistureContent22.9%DryDensity102.0pcfLiquidLimit49%PlasticLimit20%MaximumAxialStress1.067tsf@2.5%StrainII1.2Ii.oa.1.0.....,I......I.-!If"""..\Ji.IIi!'"0.8i\'"_**_4II--.-.--_.-..--\lA.IiQI:.-J'"IIII.....iic0.8i-Joe/,ic!i/,I'II0.6!II/i,r---!i,,Ii,;iIIJ!:I/i,II!III,!III!i0.2t,i"hOIIiiIJorJ!I!i!0.0V,IIO.ULJt::.U3.04.0AXIALSTRAIN,0/SOUTHCAROLINAELECTRICVIRGILC.SUMMERNUCLEA*******Figure2.5-111 &GASCO.STATIONUnconfinedCompressionTestResultsOnFoundationSoils(Sheet9of9)UNCONFINEDCOMPRESSIONTESTProjectViroi1C.SummerNuclearStationBoringNo.C-3Sample"0.5-3Depth10.0-11.9Ft.DescriptionRedbrownm;caceousclayeysilt(MH)MoistureContent34.3%DryDensity84.5pcfLiquidLimit59PlasticLimit54%MaximumAxialStress1.307tsf@1.0%StrainI1.4I,!i/I\.1.2J1/\I)1\!1/\I,1.01\iII,,I!II...r--T*I...II,-I\r-ICI')I,I\'J.8ICI')/I..---1\.....iIiIQI:ICI')/I!,...I....c0.6IIIIiI-IIi><I,JI,icI!IiIiIII\Ii,1III!IIiOOi0.4IIIi\II1Ii*t,I,,IiiIi,I(,I,I'II!IiI:!IiIIIIII!II0.2!IfJ.I,iIiiIIIIiII800ii0.0IIIII!II0.00.51.01.52.0AXIALSTRAIN.0',.,SOUTHCAROLINAELECTRICVIRGILC.SUMMERNUCLEAR******Figure2.5-111

• UNCONSOLIDATEDUNDRAINEDTRIAXIALCOMPRESSI,ONTESTBoringNo.SD-9B*ProjectDescriptionVirailC.SummerNuclearStationSampleNo;ST-lRed-brownfinesandyclayeysilt(ML)Depth4.0-6.5Ft(ij"",-U3)max.:0.97tsfat3.0(aftersaturation)DryDensityChamberPressure.Uc=17psi*Mc.stureContentLiquidLimit3829.0PlasticLimit26;;StrainRelativeDensity87.5pcfr----IIIII---iI!---IIIIii!i*II,;i!..-------111-_.---'--"..,IIiIIIi!Ii1I--._!I++1':!iiii1-__'_......1'Ii,jt-++:,I1--<1>--'+I-+--+-+-_-iI-----,--II':IIIIIIIII:'1II'+-----!:jIIIII:IIIi,I.1--....-j-,-"I-t------+-I;---+-----1"III,+---+-111'Il+-"il"1..'-IIt-+--+-+'--+---l---'----l,'.,'1-1'.,I'!iI'I_II*i.I"---',i!!l'IIlIT-';"'*t-t-1.0.:.-,.-+-_(li!.I!lI:::!I'--ri;?'f.--.-t-t-_.-'-o9-!;,*_....i-'.i-"-:,...,:-,'-0'8If:!1!++-;-1-i-,-;.-i--IItI!::Iiiir.:IIiI:r'II,I0.7V,I!':Tr1I;IIIII'o61jIiiIiIIII!,IIIi:I.h/f.-i----:-,-+'--;':-+-I+--'--+i-+,-1-,!--'-:---lI!,:i!I'iiQen.-***AXIALSTRAIN.%SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONUnconsolidated-UndrainedTriaxialCompressionTestResultsOnFoundationSoiIs(Sheet1of13)*34j'891011121314Figure2.5-112 ASCO.TATIONUNCONSOLIDATEDUNDRAINEDTRIAXIALCOMPRESSIONTESTProjectVirnilC.SummprNtJclparSti'ltinnBoringNo.SD-98SampleNo;ST-2Depth7II_ac;Ft(SM-SC)DescriptionRedbrownclayeysiltymedillmtl"lfino":on,,-MOistureContent24.11.(afterc::otl'I'":o+;"n\D'ryDensity99.9pefLiquidLimit26,-PlasticLimit19.RelativeDensity-:'f,(fJ1-fJ3)max.'::0.59tsfat16.0'"StrainChamberPressure.Uc=17os;IiiII1!IIIi,,I-IIIi;Iii',,II,l---rIIII*1--IjIiII:Ii!Ii[i!-IIIiI,IIi,II,:!IiIITTIIJ:,II!0.6I,--'--1iI,II..-0-III:/I!i:enI1I.....II/"1.I,ii..ij,II-*-.-+---t----.---IIIi/riiiI,I,:t:0.5I'-j-Ir'..-t-,------;---'-I'.iI',I.,iIII--I"1i-r-.Jt1.....t....-I!1'i'+--ITb.-j-.--1-iI-Y------I,_..I1,I,.-0.4I,iII,'----iJII'..I:-:I'ii,,IIIiIIwYIIIiI.1I!![Iui,i,t-tiZ,/1!I,IIII;,WI;Ia::VI!:iIw0.3IIIIy.71'i:I,LI..ii,II-/---r--II0II1:,:I,iI!IIenIIIenfiw0.2I:Ia::fIn....IIen1,-----,---:I.,.IIIJ.-"II0.1,,IIII,!:II,iII!'-..1IiIII--IIi,i,II1II---,,I0.0i:,IiII.,I02468101214161820222426AXIALSTRAIN.",SOUTHCAROLINAELECTRIC&G"VIRGILC.SUMMERNUCLEARSUnconsolidated-UndrainedTriaxialCompressionTestResultsOnFoundationSoils(Sheet2of13)Figure2.5-112 UNCONSOLIDATEDUNDRAINEDTRIAXIALCOMPRESSIONTESTProjectVirgilC.SummerNuclearStationBOringHo.SD-98SampleST-3DepthIn(')_1?c;FtDescriptionMottledqrayandbrownclayeysiltymediumtofine<;and(SM)MoistureContent'Ie(aftersaturation)LiquidLimit2114.8.,PlasticLimit17DryDensityRelativeDensity11(')qpcf2.21tsfat6.0;;StrainChamberPressure.Uc=17n<:iII1I!IIIi--I!I":1,IIIiI1II*1ii1i1IIiTi1:!IIr:IiIiI!IIiII!1iiIIII2.4ijIIII-TIrIiI:I*-t....--.+1-i',J-jli;LJ-II1--'--J.i-+i_!1-1iiiI:II'1-+--t--t:--+'I---...-:-,-12.2'!I!:.J......n'Itt'!I20iI!IV1II-'-.-+f--,i-:-"P._1.._.__II_j}1.81)./7r'i;-:.:--1--r-H--+-.....---t--,iAII1'---+-I-r"In!:::'1.6-tjiii\i:jIi1;1.4I1rIii1:I!:!IIIIiIII;IQ....<II......-IIIIIijIIiIIIIiIIiIIr12i;::II,I----I\..,-+--...-,IIiIr"----',r-7---IIIIIIIIIII--\IiI11AXIALSTRAIN.Unconsolidated-UndrainedTriaxialCompressionTestResultsOnFoundationSoils(Sheet3of13)Figure2.5-'12 UNCONSOLIDATEDUNDRAINEDTRIAXIALCOMPRESSIONTESTProjectVirQilC.SummerNuclearStationBorin9No.SO-90SampleST-lDepth4.0-6.5FtDescriptionMoistureContentLiquidLimit31Darkbrownsandysiltyclaytraceroote::(CL)23.8'"(aftersaturation)DryDensity95.6pcfPIasticLimit20RelativeDensity-11.03tsfat4.0..StrainChamberPressure,Uc=17psiI:22,,I'Ii1820I,16III,,IiI101214i684iI::2,":1-+--";"---<--+----+----+--.1--*-,or----____,_+--_+--+--_!__-'-__II\__I!I,-IJ---i,---",-+----.--:.--..i---i---i!--'--III.;_+---l-......-,.._-I.1___+_:\L_.J._60°I'1.11.00.90.20.50.10.30.40.80.70.0o'".....AXIALSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONUnconsolidated-UndrainedTriaxialCompressionTestResultsOnFoundationSoils(Sheet4of13)Figure2.5-112 UNCONSOLIDATEDUNDRAINEDTRIAXIALCOMPRESSIONTESTProjectVirgilC.SummerNuclearStationB0rin9No.ED-2SampIe5-7Depth17.0-19.5FtDescriptionRed-brownmicaceousclayeysilt,tracefinesand(MH)(aftersaturation)MOistureContentLiquidLimit5456.0.,PlasticLimit48DryDensityRelativeDensity67.5pcf(lll-U3)max.=0.39tsfat3.85,StrainChamberPressure,Uc=1.35tsfiI*5432i.!II\,II:",,9"'1:!iI\I,iIT'I/',!I/:!/"#r\iI500i;I,I--------+11I--1It,ii:li-./IiI!!i*i-?I,iiii/*!,!,!iI-:--t-"'----1T,.,!II!I:I!:o0.10.30.4fA:!'\'O2I-__--+'__-+-----1.'71I,!fIiII0.0-II>......-It:Ib-w<.,;)z:WIXWu..u..-QI'/)I'/)WIXl-I'/)AXIALSTRAIN.%SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONUnconsolidated*UndrainedTriaxialCompressionTestResultsOnFoundationSoils(Sheet5of13)Figure25*112
• UNCONSOLIDATEDUNDRAINEDTRIAXIALCOMPRESSIONTESTlief87.3Depth27.0_2Q.1FtChamberPressure.(le=1.65tsfRelativeDensity5-1140'1.StrainSamllleNo;PlastieLimit40VirgilC.SummerNuclearStationLiquiclLimitDBrownmicaceousclayeysandy-silt(ML-MH)--------------iContent33.8'/,(aftersaturation)DensityBNo.EO-2**!i!III!III:IIiII!i!iI,!iIiIj,:iiIiIIiIII,,,,,6iIiI!:,!1,I!!,:;I!I,III,24I;'i'!,II,I!,"-1----'-mi11-U-_.i-----i26"II+t+++-t';i'IiI,*'_....'--'-.'-'-+-+-+-+----.;--\.:Iitlt!'I'I!!i'.I!!..i-'"---.-....2I:,'.P"'!"'"iI;I-+-:-'.4i1/:-11-':--,-'7ii-:'II2.2t---o--+-+I_LJiIILJ-r'i:iiii,I'J'1i1.,20::I,Y:;,".-t-:-h--7"-4-+-I-+----+-;-+-1-+--+----+---'---1*:ILIrOT'T1-:::_.---L...-_.j,._;...j1J__!.itIi,Ii:I,I:,IIi!1.8.IiII;i':--1--it-tTjT16-..ilI'f':-'-r;'"1,t*-t'it*i-..*-Ji----'I'----ij--+--+'---+'----1*---II.I-+.j:IIIt1+:i--i-4,-+--.....--;----1!IIIIiI!I:II1.4:I:I!IIIi!!'iIII1.2'1Iii,i;iI;'Ii;I:i!:II!Cl..-****AXIALSTRAIN.%SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONUnconsolidated-UndrainedTriaxialCompressionTestResultsOnFoundationSoils(Sheet6of13)Figure2.5-112 UNCONSOLIDATEDUNDRAINEDTRIAXIALCOMPRESSIONTESTProjectVirqilC.SummerNuclearStationBOringHo.WD-6SampIe5-3Depth10.0-12.5FtDescriptionRed-brownmir:acPrlu"-rl;:lvPv...;11"11,,;:Inn(Sl:!l.MoistureContent23.0(aftersaturation)DryDensity99.9pcfLiquIdLimit37.,,PIasticLimitNPRelativeDensitytsfatlC1&;',.StrainChamberPressure.Ue=nhtsfIiiIIIIIi:I:Ii"I;,,r---.---;t5.0I-II4.0f-----.JIiIfI"I,,I:i3.01---'--"':'1-+,----I'I."6.0(I')(I')wa::(I')wuz:wa::w............,......-0.0o12III,i,--+----IIi345678910111213AXIALSTRAIN.%SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONUnconsolidated-UndrainedTriaxialCompressionTestResultsOnFoundationSoils(Sheet7of13)Figure2.5-112
• UNCONSOLIDATEDUNDRAINEDTRIAXIALCOMPRESSIONTESTDeseriptionGraybrownmicaceousveryfinesandysilt(ML)MoistureContent32.3'I,(aftersaturation)DryDensityRl;qpefLiquidLimit36PIasticLimitNP.RelativeDensity-(lll-113)max.:3.45tsfat13.0';StrainChamberPressure.Uc=1.10tsfBoringNo.WD-6**ProjectVirgilC.SummerNuclearStationSampleNo;5-5Depth18.0-20.2Ft!r!IIII;I,i11I,':Ii!i:i!!I:IT!iIIII----._---i1!II,;:I,!iii;1.5IIiI!i:I!iIi__-++__"":"-_1!II-H-Ilo"'"->>-....!i!,!i-4-.1-.iI-+--I_-tl_f-_-.:Iii.....I__-jlI!ii....IVT1:I',i:I,..-KI:t'I:::---N-30-'f-J_-.-+--+-+----------i*,Ii'II11I-.'-:-I;I,:-,;iiil_.!.!ilL+---I!!rI;:.!"_._'!---+-.1_+-1-+..12.5*,I.AI.L1.-t--riJ-+-L.-+..:I_ii;fl!-II!I!',I-iI......---+-_l...+--'R'-.--.--+--I--t..+-+--+-+-+-----1I*!:l'I!!:+-:;;I,!;!:--..-...-".,----+--1-...-.-.,r:!1ii1;:I!::I!:jIIIr--;-l-i-t-T:--t-*-ni-i-T:.....-*-----f;It*1:**tIIiiI.I,;iiiI"Ii'IiiiI3.5en.....-****Q0.5I,!!I!;IIi:iIIi!ii15.0AXIALSTRAIN.::;r----IIIIII20.0SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONUnconsolidated-UndrainedTriaxialCompressionTestResultsOnFoundationSoils(Sheet8of13)Figure2.5-112 UNCONSOLIDATEDUNDRAINEDTRIAXIALCOMPRESSIONTEST2.85tsf88.9pefDepth10.0_11.8FtChamberPressure,Ue=RelativeDensity5-3NPSampleNo;3.0'iStraintsfatLimitWD-8LiquidLimit45oeseriptionRedbrownmicaceoussandyclayeysi1t(ML)-IMoistureContent30.9"=(aftersaturation)DryDensityBoringNo.C.SummerNuclearStation***AXIALSTRASOUTHCAROLINAELECTRIC&GASCO.VIRGilC.SUMMERNUCLEARSTATION7.0i!I!:II!,II;I!!IiI,2.03.04.05.n7.0!iIIII1i!/i!I:IIIII!'/I:!l.iiI!iii,J/II!;I:1.0IIi,II!iI!I0.0!I0.01.03.0iI!II!Ii:I,II,;II"rn.,,I-----'----'--+-'-"IIIi'IftJi'Wi'-+-4-",-r-,,-t-t-I-t'..-+--I,I,-----,...,--+--+---1------1I!IiI+++L'i!__--U."L,!'!iillII.iI:iiII!IIt,;I't'ITt:t---+-!-f--'--+,--'-,-I-I-+-i-+-+-+-+-l-l-!----.:-..ji'I,'I',iI-+I".-----,-,.-t---++4aI:il;iI:I,!ii'.-:'I>>::I!::!-,;t--I.',"["...t-tt:,.....1-_.:Iii,i!:'IIiiiI;___;V,':4-.,.._......L-......--..._!I1I.!'_:I1I!!!I:i1-..IV'r-T'!.ri-rt-rtj'------1I'---,'.'III'.'!I!:,-------:'ifi'II;Ii!IiiUnconsolldated-UndralnedTriaxialCompressionTestResultsOnFoundationSoils(Sheet9of13)Q..-****Figure2.5-112 UNCONSOLIDATEDUNDRAINEDTRIAXIALCOMPRESSIONTESTProjectVirailC.SummerNIJrlPnr<:;htinnBoringHo.55-4Sample5-3Depth10.0_12.0FtDescriptionLightbrownfinesandysilt(ML)MoistureContent31.1'!,(aftersaturation)DryDensity80.1pcfLiquidLimit40-PlasticLimitNPRelativeDensity15.0StrainChamberPressure,Uc=0.94tsfen......-iiiIIIIII'I.III,iIi!:v!'I':!iIIII1'I,I,II!II0.5-I:iIiI;TITiI0.0I024681012I'14,16i1820AXIALSTRAIN.SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONUnconsolidated-UndrainedTriaxialCompressionTestResultsOnFoundationSoils(Sheet10of13)Figure2.5-112
• UNCONSOLIDATEDUNDRAINEDTRIAXIALCOMPRESSIONTESTGravandbrownmicaceousveryfinec:andvc:ilt(MI'VirgilC.SummerNuclearStation*BNo*55-4SampleNo;5-5Depth18.0-20.3Ft{(aftersaturation)Density(QI-Q3)max.=2.54tsfat16.5Content26.9(lc=l?qtsfpef93.8RelativeDensity-NP):PlasticLimit31LiquidLimit*3.0-:-,'..,.--:-i'-,iIIiIiI,I,:!i0.5I:>>II:;Iiiil/!iI!!:",i:,I'01I'IiIii'IIiiIIIp::i-_.!iIjII,i,I!I,I-+-j'-+-......1-+-,-4,1---';"':-+-'+---'-+-I'r---'-',J..-l-.JI'!II,III,i'II:,1'I1.0I-fl/-J--,-'--+1-+--+1__-+--1--+'IIIiii:,'iiiii:I2.5III!IILk':'-l-LIiii!-+-:'j'Vii!'!T.A::ii-j!!IiI:::::'i/11+-...!,-+1,-+--+!-+----'-,---1:'L"Af:,i'-....+.1,'--'r'.j.:./It,"'4.;I,:,*.r+-I:III/1I;I',:iII!I'_.o__J-....,-"--11--_.--l-_.l'-..-_-L.r--"i!.Ir-V-+--+--t-l.--+_Lt-L-..rr'-+-i-+-1I_I!I';IyiI:II:I'iI1-,--,---*1IIiIII;jj:,-j.--0---*,'II!II,'iiI1.5IV-TT,-+""'I--+-+-"""-+I-+-,-I-+-+--+-+I-+-....j.I-+-+--+-+-II-+-....-j:;Vii!1!IIII!2.0V)V)UolIll:V)en....-****AXIALSTRAIN.SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONUnconsolidated-UndrainedTriaxialCompressionTestResultsOnFoundationSoiIs(Sheet11of13)Figure2.5-112
• UNCONSOLIDATEDUNDRAINEDTRIAXIALCOMPRESSIONTESTDescriptionRed-brownmicaceousclayeysilt.tracefinesand(MH)MoistureContent44.7'!,(aftersaturation)DryDensity81.3pcfLiquidLimit53':PlasticLimit19:".RelativeDensity:(Ill-U3)max.=1.24tsfat10.9'1,StrainCnamberPressure.(Ie=0.6tsfBoringMo.C-3**ProjectVirqilC.SummerNuclearStationSampleNo:5-5Deptn18.0-20.4FtII!':;1.3III!III__!!ii!iI'iTI'IIII:'!II"--1..iI--IIiIiiB-;;;;-t:!,:t!*=::j:IjI!,:I:V:I",I1.11---+-1-+I_LiT,_-g/':i:TIiiI!I__L-.1+----I:::e-.tmf!L;LlUj.t:11!1W--+--+'---I:,'II'I'!Ii:"iIi:;f--!If"'j,,';-j!'!Ir-1."f!.liI;0.8f--.--:Ii1I,;;!I;[ii'-1----,----IIII,II,i:I!0.71-->-1---':--+-+:-+----:-*I,-+,--,H---!-+--+I---"-'-------Io6!iIIIIiiI'ii:!.1---;---:-,---+,-+:----+":-l--+-+--+j--'-I--.;..--11.2t/).....-****QjIIi:i;III;II!IIio.51----:-,-....I'-+-:--'-:/-1+1---:-,-l-I-l---:-:-+-+-:...,..,"i,itI;iii:Ii:iO.4:,if!:Iiii'i,:i(j,IjI,i:,ii!:'It-rrI5501-----io.31-----'---'-J/-4-'-i--i-----,------,_--l.!III','I!,I\JVi,-----io2I-_.;..,If-'-/1,_-+:_0_-+-__1.....:i:I:I\I.Jf;:I:,:ij-,+++++-41IO.11-*-...........1-....il---'-j-J.-+-i-;-_.-i'iii'r-t-H-i--t+oJo.0-:----i-I-+-+,-]....,.....!----',--:iiiI!;TIIiiii,o123456789101112AXIALSTRAIN.SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONUnconsolidated-UndrainedTriaxialCompressionTestResultsOnFoundationSoils(Sheet12of13)Figure2.5-112 GASCO.TATIONUNCONSOLIDATEDUNDRAINEDTRIAXIALCOMPRESSIONTESTProjectVirqilC.SummerNuclearStationBoringHo.C-5SampIeHo:5-3Depth7.0-9.5FtDescriptionRed-brownsi1tyclayeysandandsandyclayeysiIt(5M-ML)MoistureContent34.9%(aftersaturation)DryDensity74.5pcfLiquidLimit32%PlasticLimit25.-RelativeDensity-%(IJ,-1J3)max.:0.58tsfat7.0'"StrainChamberPressure,(lc=0.6tsf,Iri.I0.7Ii---!-1=I,f---.-f-!iII+I-rf----1-_IIi0.6IIj:II.r0'---r-+--1--.-'IIii0I....-,c:rr0.J=t':Ien-,,....1l-TIIiiiI,II-liT_1-._--IIIIb0.5,IIi-JTLI-_...._-I-f-J+._.IIII,'------....,--'b-.:_-!I-..----0.4,i.,IIIIIII,LUII!IIuII:zIIIiII"i-I-I.IIITLU,I0:::II,iI!LU0.3I:i*!!,......,:IIi......I.iiI-,Ii,iiIIiiI0I,,(I")iI:*IIIiIIiIII,(I")IIi!,ILU0.2IIia::::TI----,l-I,IIiIII(I")i*!IIIII.-'I*iiIIIIiIIIIiIIIII*0.1I--It*i,IIiI:!I!I350III!iIIIII0.00246810121416AXIALSTRAIN,%SOUTHCAROLINAelECTRIC&VIRGILC.SUMMERNUCLEARSUnconsolidated*UndrainedTriaxialCompressionTestResultsOnFoundationSoils(Sheet13of13)Figure2.5-112 SOUTHCAROLINAElECTRIC&GASCO.VIRGilC.SUMMERNUClEARSTATION1716151312IIEFFECTIVESTRESS-STRENGTHENVELOPEforVERYOENSEDECOMPOSEDROCK1067891/2(ifIt<i"3)'h'532SuTESTNo.BORINGNo.SAMPLEDEPTHlidWoG'cE'.fAfW,iC(Ft.)(pet)()(tsl)(sf)0)(%)(degreea)(pa')REMARKS(I)NO-Ill12'13.7'125.26.71.0011.256.11-;1367.538.50ForDeaign2ND-III'II'128.812.82.6511.9119.1.00512.6Uae(3)NO-I'I7'8.3'126.39.26.559.3711.0.011610.8111.50I.38.50";'-33.5°(1=C:0)C"0----.,(=32'(I-38.5",.i!_,:-0)o987...6.........:.G5'-bIi-3IsotropicallyConsolidated.UndrainedTriaxialCompressionTestResultsOnFoundationSoils(Sheet1of3)Figure2.5-113
  • • • • • • SuTESTMo.BORINGMo.SAMPLEDEPTHltdWn*'fAfWfIC(Ft.)(pet)()(taf)(sf)()()(degrees)(psf)REMARkS(1.1)-0.180.21".2.07"ForDesign(1.2)*C-517'-19.3'87.336.!)0.360.376.".09132.0360Use0-180.678.1-.203i*36°(2.1)-C-517'-19.3'97.823.00.360.795.3-013025."360e*0(2.3)*0.720.9"".8-.057226253.0q{=2O.5-({=22-,c::625psf).-?._----EffECTIVESTRESS-STRENGTHENVELOPEforSAPROLITE//..30.5-(.1:0-//__c*0)2.52.01/2(IfItcr3)'taf1.51.00.5*Multi-stagedtestj.::::".1',*i*,0..,,***,..3.50.52.01.5N-....:lI,;1.01-iiii<11'1-0-nQlr+o)(.,9-ic_.0:JIXQ.nn-no'3'<!C.Co:J-0nS:,clI'IiDo.,S:zIDoVI.:J-.""'"!"-_.0'"0-VI,"'-iQlcm:TIDr+pQWIDVIIDIDr+Q.r+*NIDeo'":J",flO....£.Q.&it0:J:JIDonIQ.zOI----.J
            • EFFECTIVESTRESS-STRENGTHENVELOPEforCOLLUVIUM1/2{f-3)'taf*Multi-stagedtestSuTESTNo.BORINGNo.SAMPLEDEPTHlidW£fAfWfIC(Ft.)(pcf)()(taf)(sf))()(degrees)(psf)REMARKS(I)SD-56'-8.5'109.320.93.883.035.1l.26321l.2ForDesign1.000.802.1.39025660(2.1)-SD-56'-8.5'112.8IB.92.001.272.0.33711l.9Use(2.3)*3.502.B910.6.IB7j:25-1.002.159.0-.IB6C:700psf(3.1)SD-56'-8.5'lOll.819.1l2.652.88'l.6.08819.2251760(3.3)*6.55'l.'l'l'l.1.269,"i.]i'LI:OJ.CAl*ill.iJOIl.,,'9B765.........-Il...t..I3N-2<VI-0;lJc9-4.J:V1;QCo3:.3:zzp:!cmpQm;Q;QnVlJlO-41:\J>l>:jVlonz!=>-4'"-nQl..,o..gCQI_.:l-na.nQlQlO:!:!.3'<0'0n:l..,0VlID:l0\11",=.:!!l.Q..'"0_.:la.Vi-4::TIDIDID11\a.IDr+*r+;lJcIN:!::lOca......_..,r+QIIN'"_.:la.:!'.\0C...IDtvVII.......;.INII
            • ..CURVEPRESSUREINCREMENTDESCRIPTIONOF(sa""I**pp....tob**-..hitdlsturbedl,.,NUMBERFROMlral.lTOI""SPECIMEN:Dukbrown_tClceouSclAVeCOlrstto,tneunddec:OllIDO$edroct'"I........................LIIU.."IPlMALYOIDItA10.,U.,-'-ORrfOD<PUlTlCUlinIUNITOIty.11'(lid)97.9!IIk,l;n.IID..'-:.CONSOLIDATIONPROPERTIESQTUIIA&..inll'OIITI'"I'0.0eoMNll110fIIlfDnC.0IPlCI'IC'II..Vln'...r:o......nIONIeTESTSPECIMENPRoPERTlE,.IUINGINDEXfe.'DIAlIITIfRor,"CIIil.I**'2**95IIrCOJlIDLIUTIO,a**..ItbITIALICKNIII0'.reel........0....,XIIT***OVl**UItDl.ITIt..1....M'IALW,lllaCOM""'fitLi'..,'"IniALltAflD----.a..69rUSSUtII.TONSpo,SQ.fT..::1_.._....._*.1__llMffnMINUTtS--,-_.f1MIYOCOMPIIUION-_.-.-:-:Orainag.00...1.'1iJttfilit_11:J:11.71J:m-n1;.:...!:....;:L-.L...l...LU-'lL----i...J-LLC=..LUl.L---'---'--..i...J-LJ..LL.LL.L..Ll_..i.-.L..J....L.i:Ll:L.l..LLJ...L:::=.J......:.L=J:LL:..l..LJUlJ0.11010toO10000.'1.010.00.640.,'1'\1':-FTIT.'_::'1.'..I-.L..$TRA"...,tINn.PIlE$$UREI';:'_.11;'r'lo".gNo."IH___"t*.**";.--.....5II.I.'_.:..:"..::"':f:0..,.1010.0-11.0ItI...,..,.."':1"i-=,'_'_...'"'..,.t--."...","660l..,:::":;.i..1:=::-:-;--'-,.-,.....,'."'_1.c..J'ii",.j'.,l'HH+'__.:-,5.,.',¥:t',"-,IS!..::;.,1-"-'-4"':'"--,..-'I,,:j,*It..,,.I'.".,q'**\:I".:..".""I"_.,-_.",."'J,.*_._..;""i;",i"'"T_.-:--;';-1'_.:!,.H:;'-+-',::---,'.:..'::11.H'i......."';i;:-\.--;.,,j__,*.;.......;..;.;_.__:..:;..::i:::"I..,I..;..-it*'o.fITt'--d.,.",;'",R"""'-'.'""J:;.,::;"},,.::=f,,,...'_";:;1";',,,,'i'i.,"-c'ci--'-",.L"..U=tTI__.-.'.'.,",:'I,'t!¥'.:;;':i:"...,"";"'..+."ln..'j.:.h..;r:.;ji'*,'_j:.;::,:_'i--.:'..=t*11,,...,...,I,,",Ir"..I't'"-!--.,'.,;....j1\-J1-t--1;-';I_.--,-'.,i'"_'.I1111-rtt-W-l<:-l"iifro-=---j1,_.".'i:;:-!-.'1.'";U[r'C',....:.:--.,.."..+,t,jIi1;1;'+-:'-.jt-=+-1'"'TI1'-..,.1.--'1tU..,_.--1-...'IJi1.--1-..."'::--<=4'....-'Ii::!..J'..J.-41W,.===-<'"-0::ac:['!-i,.-:J:"'::aCo3:-mZ::a>>CmmXl::a"1II1lO-tCl>>>>::!'"ono:::l"o:::l'"Q.--0'0:"'COl:r::JIDa.0....-io0:J:........"'XIWOlDiI:!!<0C..ID!'oJVI.........

TIMEI.MINUTES*2402600.1*10*10000'0000.1*iT1.0*.-..:r.10russuuInTONSP"SQ.fJ.100**CURVEPRESSUREINCREMENTDESCRIPTIONOf'Dirtbrown_tcaceouscbye)'cOlrnfoftneSInd(decOInDOsedrod.)NUMBERFRDMChl.lTOlt."SPECIMEN:Z::l.n2.nI,I'"IHAL\feNDIJtATiOC.n**,wu,2.04.0PLASTICUMIlIlll'.lUNIT"'WIIIHT1__)*AlTIClnINM**--'CONSOLIDATIONPROPERTIESNATUIt.ll.an:ItCOJITINTt%1OJCOtI",CII'O.INM"(c,'"'nlt.,.....in0.058SPIelIeGRAV'TY,..**00""'."'0".CaI...TESTSPECIMENPROi>ERTlEStWIU.,ICIINDUce**...nnno.,ICIIII.CI...."ICON-O10Ano.ITlt.-."..OtnlUIAl'"rca.UI0'.P(c....U.....IKIITI..,Oy....uftOOlltalll(hitit0.5_INITIAL.'AnllCONTln,,***0.117SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONConsolidationTestResultsOnFoundationSoil(Sheet2of13)Figure2.5-114

l:v350!361IIiMIv.COMP.UIION-IDroinageDoubIeliMEinMINUTES<rOAlN.'.D.'CURVEPRESSUREINCREMENTDESCRIPTIONOFNUMBERFROMltsllTO(tsl)SPECIMEN'BrownJljcaceoussandyclay(dec,,"sedrockIz:>1.U"'LIQUIDUNneI,INAlYOIDIIATIO<<.*nnn"'u-L.ll.0'4nREPLASTICLI1""t%lUNITDRYWEII"Tf.:..t)Ilb.b:l;z"'2_...-..f\.ASTICITYIND(.'%'CONSOLIDATIONPROPERTIESNATURALWATERCOHTENTt"'-)..COMPflUSIONINOfX(ed/ll-...nnnspECifiCgRAvITY"(COMMOtiONCCII....nno<-fTESTSPECIMENPROPERTIESSWHLlNGIHDUtc**...0.008.'DIANETEIOFSPECIM(N<<....I......PRICOKSOLlDATIONI'R"E",(illoIt'3.0t...INITIALTHICk",tI0'IPICIMlHtld0.9311111TtN'Oyl"luRK,.,rltn,(...tilt0.55INITIALWATlItCONTlNTttii.,INITIAl'1tOIDIIATIOf**0.311SOUTHCAROLINAElECTRIC&GASCO.VIRGilC.SUMMERNUClEARSTATIONConsolidationTestResultsOnFoundationSoil(Sheet3of13)Figure2.5-114

• • • • • • • 'IMEiftMINUJES,I.*:VIIIMtWICOM'IISSI0N!'!:'1......',-"*.,***DD".".,IDoubleIiIiI-+1-'t..'....I*....--or11:'I;,iit-!Itt,,,,..++-I:I-H+t-.....;.--+-++-:--*I-.l----.-..1',1--Ii:-.I,'i'_"I!N:,tttd:1':::;r'I'"II..I*-.rff'.---T--:--R';---.-:-iiU'...T*tjIl:-;;r!<:;i/*.:-..--:::I-;'k-:::=:-i-+I+1:11+1+H--,':;'I-iLI'.IJ..:::'1:.",...,:ti"\,,,...:-T.t-+,+I:I--:++'+-+',:;ill:.LI--.-,!'..1..*:t--H--H-+lI-'-+-1--+.*-J.-.-..-_-:-'I--..-I:::i::I:!:--i..*..-..*.;.'.;---:.1:Y-;!r'-I-t.it...:,::':'!,:1!:;1::;J.I:1_...._..___L.:..__-L.,.I.Ll-"":"....L-L.LJ...L..L.Jl.:.LLlJL-":::'..l....L.r::;::U:L..u..llL:::.:l.:..:I=t:::t:JWLLtllJ10toO10000,11.010100'1f55UIfInIONSp.,SQ.fJ.1.0j*1..*101I.::\235'Lg240;rv!255245zo::i......2500vl!s::CURVEPRESSUREINCREMENTDESCRIPTIONOFNUMBERFROMfll1.lTOl,.nSPECIMEN:1ft""_ft_I....d.1.0E2.0RELIQUIDLIMITI'INAlVOID....TIOC"'U22.0RE4.UREPUlTlCL1111T1%1UIilITOI,WIUINT(lldt1140.1---ASTlCln'fioUN.tCONSOLIDATIONPROPERTIESNATUIAl.AU"CONT(NTI'"cCONPII.-'IONINDIIc."I1...............o.n**-IE.,rcl,ICAYI2.66*ICO.......IOIIIICIIInnn.TESTSPECIMENPROPERTIESIWILLINGINDIII'Ic_)nnnADIAMlTE.OfIncIN.IIIII..,*c**"ICONIO101,'10111TlrI.."en.INITIAL'"IClIIIIII0'IrICI_IIIIII..,OOln1X11T11il1OYIIIIURDfIilITRIIi("..n..UTlA_"TIlCOtnl'"INITIALYOlOIATIO'e.'n,**SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUClEARSTATIONConsolidationTestResultsOnFoundationSoil(Sheet4of13)Figure2.5-114
            • IIMfinMINUTES"f5SUIfI.TONSP"SQ.fT.l!;"CURVEPRESSUREINCREMENTDESCRIPTIONOFRedbrown_'coc"".sSlndysiltycloy.trleoornantcNttertel-HI.'OJNUMBERFROMlI.tlTOCu"SPECIMEN:J!!>1*LIQUIDUMITIn.o,.....oIATIOOJU*1.0RE2.0REPLAITICL1NIT",,)15.0UNIT.,WllINf1-').0PLalTlCITY'"DlXfllLtii.nCONSOLIDATIONPROPERTIESfilATUlltAl,W",UCONTI.'C"'t1.CONPttIISIOtIINOCIc.*....-(SPlC,,'CORIVIT,...tlCONrtlllSlOMce';'...nM'TESTSPECIMENPROPERTlf$IWHUNG'NDnce**0.016DIMInUIOfInCIIII..IIIl)2.495I"ICO.-OUDAT'OIIITlnl..I'.0'...INITIALTMiaUlrl'O'INCI...lld0.915.1'lTt.,OVllIt'URorM"It'".....O.HifItlI1lAL.'TllteD.TlNTNo.1INlflAlVOIDIATIO(A.0.501SOUTHCAROLINA'elECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONConsolidationTestResultsOnFoundationSoil(Sheet5of13)Figure2.5-114
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• • • • • • • MECHANICALANALYSISCOIIUSIIvAICO."51,IH£COA"SE'O(D'U"'INISILT011CLA'.!t.U.S.STANOAIIOS1!V!SIZENO.....c......'IU'1OII"1_*'0ZOO,,1II:z:IcoIiii-..*I"'"I*...-..........*,....;II:..IIIZ-_...II;.-r--II:Z,IIH--"--IIIUIII:_.+-IIII..,I--'0,-.,----0I10.1",00'.IIAINSIZE'N1I'!.LIII!nllSSAIiIPL£'MlIOI.CLASSIFICATIONMC1.1.PI.!_1..ll1-c:r..3121_Lab...--I:<mc1eil.-i7---.____SC26Lab.B.COULES<OIlAVANCO."51",.1CO."$[MIEDIU""tN[SILTOilCLA',It'W*U.S.STANDARDSI!V!SIZENO._''10....C,,_'I'.O.,..,TI_.'"*'0ZOOII-I----fHH+1++...,-t-1;)0,.,,-+-,,':Ii,."'1:'....s:,+t+:..III,*.1-=.,,"..,..*!tPrf-iII:--.-III!>-..,-.-"t...HH-tt..,.t...f------*;:I)..,l-I:II..-..-t,,.,,,1......--:-1-+-,--'0,I<.t4--*,'0,,lXC'.IIA'NSIZE'NM'LL.IIETEII5S'IMIIQ.CLASSIFICATIONMC1.1.PI.BSn-SCc::.:.nn1ell1-.cr..3218T;,h.lir...-uc:n...1Of"<::_1..ll.,..-._--.----cr.'0T...1lUI.._.._...SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONPhysicalPropertiesOfColluvialCyclicTriaxialTestSamples(Sheet'of3)Figure2.5-"7 MECHANICALANALYSIS/;RAtONUSNICO."S("N(CO."S('HO'UMFIHISIL.TORCL.AYU.S.STANDARDSIEVESIZENO."""110IOU.Cl,.,Aas,"CAT-o......',.100"'0AO200I,..,:z:,,!!--....-_....*,I)0--.-_.,*,C_..""--..--...Z-_..-;;-.I-II..'O-f--t-'z,I...'",C....-...,lL,'0,t,.._--._---0I,J.O,0'00'GRAINSIZEINMILl.IM(TERS$AMPL.£$YM8OlCl.ASSIFICATIONMCU"l.BSD-9C5amole#3-.27I.'LLab.#ABSD-9CSanDIe1I3---2916---SCLab.#B-COUl.ES/;RAV£'<:AN"SIL.TCL.AYCO."SECoa"SEMtOIUM"N(ORU.S.STANDARDSIEVEsinNO.."tID...",,,,,,,,,,.CA'IO"'(.,,If'\(&,&0zoo,I-i--qif*H-f.!-H.......--I-+-..,,,I,I10r"--I+..j-I..,,-IiI,'-h-";'+--)0-10.'II*,,,--,.1-----i---c,..........HHi!f-.---1*-----...,I...I--+-,--IT'Z,I30,-,I-:-+-l-.-tII,,-'-71I71-*{-.-..w.--!---;--T,I*.+-t---,,'0,IULGRAINsinINMIl.l.IMETERSSMlI'I.£sn.ll.CL.ASSIFICATIONMeL.L."L.BSD-90SanDIei3-SC3fi15T....hu..-_.IRem-emi5---sc4.,?*'T....hi:A--._.SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONPhysicalPropertiesOfColluvialCyclicTriaxialTestSamples(Sheet2of3)Figure2.5*117
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• MECHANICALANALYSISC:OULfSRAVAN*CO&IIlIS(,IM(CO...llt51:MEDIUM'IN(t!.t-".4U.S.STANDAIIDSIEVESIZENO.IClOI40ZOO...............ORCI.AY-ill+++-+-+-'"H+;,+--f*',.._p>"-+Hiit+t-t.-ell++-.t-,,-f--*_..........,.....+-t+tt-+++-t-t--+tf.H!ori--+-+--I{rT:,II000'(I'INSIZEIN1I11.L1METEIISH-tH-H*-I--.-o1"H+t+-H--t---tt-I-H-+.t-t-+--+t++t+++-+-+H-*,,---H-......l.t-i--+-zo't+t+t+-H-+---tt-I-H-+.+-t_+--+t+t-t+++-+--+m"'t"i-_-+--+-.;..-+fUT'!'-1....,_.....10-It"Hi..%..iii,.>-**C...zIi:..z...uc......_NQSAMP\.£OEPTHSYIlIIOI.MCPI.SII.TORANCO...1II51:GRAVCOa.tt5E'IN(COUUS'IBG-*f--.....--t--+---+---+---'--+----..------------*,'f..S.SIIEVESIZE1C:0."'-1--+-'"IfH+-tt*.!--tH!I!1-*..rH-..t_.!t!-,1-,i.."".',.,.-III+--+--+t-l-it------r*r*-'T"'---;'-,,.........-----;c"'",-r-;---t++-r+-t-t-+_......'--i1:--.._.-...!t*.ttlt-t!1-Ti--;ITTl:5.:,.t-_-.;.:t,--t:_:...-...:."':"--'---_..-;-_ti;.1**11_---#l-<i-+f-"'!C-I,;1,1;11"i"-t':;:::::'f;I:_1...:......:._+-.**ffi+rT":;----1...........;---:',!fo.........................--m.........i-.-.:...(lRAINSIZEIN1I11.1.11I[TIEIIS.ANDWHITE+-__+-_+----1MEDILMTOFINESAND(5M)*lICR1NQ$AMPLfOEPTHSVM8Ol.TBG-CLASSIFICATIONMe*SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONGrainSizeDistributionCurvesOfBorrowSoil(Sheet12of17)Figure2.5-120 0001-OCIIIMC-jI+++-+-+--OR"'....,(1)$011,.CI,."SII'ICA'1OtI'IMOR.-.;t++-I-l--+----l,t!i--+-1..--IlHrt......,--""'i.........,,i,I"I"I,-IIANALYSISk*III"",'IIIAN"-EOIUMCL.ASSIFICATIONSAN'0IGRAINSIZEIN1.00IGRAINSIZEINMIL.LlMETERSU.S.STANDARDSIEYESIZENO.1040200U.SSTANDARDSIEYESIZENOI40200COAJtS[lIt.UluMCOUSE"..FINE-jI-.----IIII,IMECHANICALGRAy,li'10GRAYCOARSEFIHECOAflt$(-+-t++H-i-++--+-._-o%2;>f--t-I_..--_---+H-,++-+-+'-,-4._...'"...zw:Co..COaaL.ESlIOIIItNGSAMP\.EDEPTHsnlliii-_.---------+---i--+----i-.------.---+-----1---+--...,BORINGSAMPI..EDEPTHSYMBOL.MC1--+--+----+--+-------I--l----jf---+-+-------.-----------+--.-+--+-----1SOUTHCAROLINAELECTRIC&GASCO.V!RGILC.SUMMERNUCLEARSTATIONGrainSizeDistributionCurvesOfBorrowSoil(Sheet13of17)Figure2.5*120 MECHANICALANALYSIS000'OR1---jIIII--=0i-.,_'_II,i"',-+-'!-'-+r++,+,-t-t-i+--.--+t-H,t+H'lIt-----j--m-,t,-,.+t++-tI--!-----\t-t-.i,--+H-t-*!'0,GRAINSIZEINHi+'H-+--:--1--f--*--t+i+t+-I-+---t+-1--..10;:r:..;;;'"**litI-...Z..;;:..Z...(,)f-lit......zoHif-'0°,RAVANCOAIIt!(FIN[COUSEllittOluMFtN(U.S.STANDARDSIEVESIZENO.'00*'000200,-'NGISAMP\.EDEPT"SYMIlOIMCLLITJ:lli-::;-::J:5.0-26.50TAN.YEIJ.a'I/ANDREDMICACEOUSFINE-Cr..AYEYSILT'(MHf-=__...__1--+--+---+-+-----t--.-_.----*-f----1--+--+---+-+--------.-----------;-.-t--+--I--+--t---+--+---------...FtN('ANCOARSE"[Dlu'"SILTORCLAYSIEVESIZEZOONOHtJtf!II-"I...r.-t-'r-Ii,,,"I;.tt--,"f-H'iII""...,1L;.....;_.;.-_H1tttH-+-!--tt+,+,++il+---+.--11-+'-H,++-+--tt-Ht-'-r-t-J--,,-...-;-To'-.---.......*i*:1.,...-_.....10'0,GRAINSIZEIN80AINGSAMPI.EDEPT"SYMIIOlCLASSIFICATIONMCLLPL1--+--4----+--+-------_.-----------+--1--+-"""1SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONGrainSizeDistributionCurvesOfBorrowSoil(Sheet14of17)Figure2.5-120
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• .*....,Ol:l,SILTORCLAY4-+-.+----+H+++...;-...--ANALYSISANIlI(DIUM----4..+-l-4-,_+_.;,0\G"AINSIZEIN*ItILLIMETERSu.s.STANDAAO51EVESIZENO.104()2fX)..,-I..._--...I--iII-......-III,I"'..MECHANICALRAVl'..-,It"""CO&"SE1ttt-t+--1+..lOllZI..iii10**c..z;:IZ..u'"'.....100ICOIiLtS**IOAINGDEPTHS'MSOICLASSIFICATIONIIeLLPL1--1--+----+--+----------------+---+--+---1SILTDRCLAYSIZENO.zooUS.STANDARDSIEVE'0RAV,It't('CO."SEco.eLlS*BORINGSAMPLEDEPTHSYMBOLCLASSIFICATIONMCLLPL1-*2__.._+-_+-_+-___l.-oc33.-46:,,1I-Ttl';1-;---!,";"IIiOoiiiO,.",Iii,"i-"",ttI,'0IGRAINSIZEINMILLIMETERS10I.toI+,-i-ti,r-<<l",1+i-1tIII!!..--+4t'-r--r......III,,::,i,I..,t-tt--..I,t-iiic..z;:;1+lf+++-l-+-1f--I4+t+#-jt-+-r----H-I-i'*+H-+-'--+,4,41--1:----J,.....--;....!---....,ttfl:,::.=.::+/-+/-:==.:t:::t*-+.--4"-:,41'-......;...1...-'°'ttltl:t:j:j::jt:=ttttttt..ti'.........:;:,:;.:.."!+..:-=:-.=:t.j,tt:r::z':::r=1==l!II'.III1-FU::2.:...MEDIUM'ID24SANDYCLI\YEYS'ri.T(MH)TPG--12.0-15.C*RED-BRa'm<<ANDWHITECOARSETO***SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONGrainSizeDistributionCurvesOfBorrowSoil(Sheet16of17)Figure2.5*120 001PLLL,,,,!r'-j"l'T-'SILTORCLAYri-t................."'..I,FINfANALYSIS*f-......---....-,I.-t"!,,'.r!;.tANCLASSIFICAT,ONMEDIUM1001GIIAINSIZEINMILLllIIETERSU.S.STANOARDSIEVESIZENO.I40toO1--1-.COUSE*".MECHANICALGRAYCO&1It5l:tOUl.£Sr!!..10*II*II:*..z;;:z..ut-II:...Z++1'00,eoIlIHGIS.....PL£DEPT"SVMIIOI**----..r't----..--__ANDWHITE.J.J...::1--2.'0-0T9SANDY----r---1--.-"--BAG-2.L>AJfH)COARSE,.,,.[CO"RSE"£DIUMH+4t1I1"1-'-""....'-+.-+.-_SILTORCLAYSIZENO.1007-j.tt--+..STANDARDSIEYE40,,"/,5+-I'*GRAYAND,It'I"1coaaLES**_IllIGSAlIIIPL£DEPT"SYMIIOLCLASSIFICATIONMCLLPL*BAG-.2.0-S.DRFn-RRQolNely*SANDYC::TT!T'VCIJIY'-l\(Oi.;.r;ul.-+_-+_4----l*SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONGrainSizeDistributionCurvesOfBorrowSoil(Sheet17of17)Figure2.5-120
• BORR"OWSOURCEFCURVESAMPLEDEPTHMAX.DRYOPTIMUMLLPIDENSITYMOISTURENO.NO.(Ft)(pet)CONTENT(%)(%)(10)IBag106.518.1NPNP2BagI08.ij18.8NPNP3IF0-15101.I515IJB-15-10100.522.55385B-125-30107.516.8--6B-110-15108.817.027B-235-ijO107.ij16.25038B-110-15112.316.6139B-2106.517.0--120110115105*-uQ,(I)100zc......Qa:Q3ICURVEOF100%SATURA-TIONFORSPECIFICGRA-95iVITYEQUALTO2.70*90****\85101520253035MOISTURECONTENT-r.SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONCompactionTestResultsforBorrowSourceFFigure2.5-121 CURVESAMPLEDEPTHMAX.DRYOPTIMUMLLPIDENSITYMOISTURENO.NO.(Ftj(pet)CONTENT(%)(%)(%)IBagI2-5100.523.776332Bag22-5105.521.25924-3Bag32-5105.721.756194-TPG2110-13110.I15.566175TPG188-12106.020.4-57266TPG4-5-10105.220.066177TPG99-10105.020.573358TPGII7-11107.0.20.860189TPG24-12-15102.023.1+753010TPG2512-15105.319.65823115120110BORROWSOURCEG0'105....(,,)Q,.:>-l-V,)100z:I.UQ:>-Q:;QCURVEOF100%SATURA-TIONFORSPECIFICGRA-95VITYEQUALTO2.7035302025MOISTURECONTENT-%1585'--........:.-............._10SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONCompactionTestResultsforBorrowSourceGFigure2.5-122
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• I¢=194°C;1-()16151413121110Isf987NORMALSTRESS6543SAMPLEF-32720'-_...&-_-----_...&-_---_......._--4'--_.............--'__......._.-.I__...&-_--'__......_--'__-_.....L.o-"J..131211\10987654321NORMALSTRESS.(sf0_-....--.L.--L.....Ii--_.a.-_-J-_.......L_--L"--_...._--l._.......o87SAMPLEF-I6u)5U)l."ex:4I-U)ex:3liJ:x:U)2******TESTBORfNGiDEPTHDRYDEN.MOISTUREPERCENTiCONFININGSTRAIN!No.No.Feetpcf.o:cCOMPACTION!PRES.tsfotv-I,1IF-1Auger95.SI/1.989.71.08;4.6IIIIii2-0-Bag95.5I22.289.72.524.7IIII,3-,,-Sample96.0I22.590.15.044.6I4'-':F-30-43.5'98.1I21.590.41.00!3.3i!l5_1'--,,-97.5l.22.'89.8I2.0U1J.8J6-1,--1'-97.5?2389.8.6.004.0._-----------_.__.___.__1_____._______SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONUnconsolidatedUndrainedTriaxialCompressionTestResultsOnBorrowSoil(Sheet1of2)Figure2.5-123
• 13121115141312111098765432O....._-'-_......._--'L..--:--...t--_-L_--L_-I-"'--_...I-_.-._____'"'_____........oIRES-IFSAMPLEF-7.,SAMPLEc1851.,i-'>019.7!-C-11lsi-V)f-ICI)4-.LUJ:ex:t*.....V):1cr3......ex:.1",<rJ:/\J::",)<<;:,V)l.lJ/:r:/V)"'\\\\It!i-;C.lOIs'121110\...-iRESS.lsi9NORMALSTRESS.1stSAMPLEF-155(/)4CI)U).....ex::1'-<:rJ::r.rNORMALSTRESSlSI--,TESTBORINGDEPTHDRYDENS.MOISTUREPERCENTCONFININGISTRAINNo.No.Feetpel%COMPACTIONPRESlsIOlpIi7Residual0-15.91.827.490.41.02.5II8i-,,--"-93.025.7i93.0I3.0I2.6,II9I-1'--,,-92.826.8I91.4I6.0i3.2!I10F-75'-10'91.226.190.61(1i?Fi,I11i-1'-_"-91.226.190.6!?0I3?,II12I-/,--11-89.927.989:1!40I3.2,13F-1540'-45'94.622.188.815JJl_114I-/---"-95121.589.2303.1Ii6.03.6I!15-,,--,.-94.821.689.0J****SOUTHCAROLINAelECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONUnconsolidatedUndrainedTriaxialCompressionTestResultsOnBorrowSoil(Sheet2of2)Figure2.5*123
• SAMPLEF-7A3SAMPLEF-15\\\------54203.----......---219c;-.E....-cosi>C"686psfS'iIilJ'Tal,0(..5:r1Ii;:Tail20°i/J:21.3°o------"'"----'---......-------C.---------------"'-------.......------o2...."+'...;,b""'b-N651843c:..L-eosC*550psf25nif,:Ta"oc.5,'11>:Tan22"{;0-..-------"-----...&..-----....1..-------1-------'------...-o...2."+'*****TESTBORESAMPLEDEPTHMOISTUREDRYDENS.ICOMPACTION(ll,-U3)Max.EtAi¢IcINo.No.No.Feetpet'Ulvtsf%pstj16F-7AB-125'-30'20.696.089.42.207.0-.0224'55017-11--/1--11-20.696.990.22.899.0.0818-,,--II-_If_20.597.190.33.817.0.4619F-13B-235'-40'18.797.090.22.2211.0.0621°70020-/1--.--11-19.097.390.53.468.0.2621-11--1/-18.697.891.04.608.0.54SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONIsotropicallyConsolidated.UndrainedTriaxialCompressionTestResultsOnBorrowSoiIs(Sheet1of2)Figure2.5-124 6o543,"?1"f7;JlsIHIGHPIMIXTUREs'"0=Tan0(::::Tan2':>°J::."7i::'"iJr=,[)f,...v,5432S,n=Tallt>(.SiniJ=Tan?600=3COC:.cosC:.230psIINTERMEDIATEPIMIXTUREJ.-L8::01lsI****TESTNO.LLPLIPIMOISTUREDRYCOMPACTIONifTc'!2(q-.,..OJ)Max.¢CCONTENTDENSITY(,(pel)10f0)Usl)(lsI)(%)(deg)(pst)(%)(j)62402221.895.190.06000.7814.0123058352322.094.589.825001.0820.0!J3062372521.3I95.0900100002,1317.0.'67392825.391.689.86000.5815.0l\23.66363025.191.9I90.112000..8418.787373024.893.491.625000.9617.055302525.992..690.8100001.9919.0SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONIsotropicallyConsolidated.UndrainedTriaxialCompressionTestResultsOnBorrowSoils(Sheet2of2)Figure2.5-124 ConsolidationTestResultsonBorrowSoilsSOUTHCAROLINAelECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONSynbolTestBorI"'C1-VSarrpleDryfbistureLiquidPlasticityNo.SourceIdentificationCensityContentLimitLimitIndex(%).(%)(%)(%)(%)1GBags1&294.525.0633627----------2GBag296.622.2643826-------3GBag297.921.6643826-_._.-4GBags1&296.524.8633627-----5FRes-IF93.427.35146"i-------6rr-7,8-190.725.053458I--------7FF-l96.121.4"IT'---_._-8FF-396.521.7NP--I------9FB-7A.B-195.320.8---..j..........:....+_...,**:*****t**t;*******1****.,,I...:.J.......,100:,**:::*t::*:I.*lt**'ll...:-,LLr'**1-:.!..,.....;._..4__J........1--_",**tli*'i...":,...!....i..-.f"1,..1.:!:...."...","..,."1,..*.1.;:it.:ii.:j**f....+.......j.._.!***..:,,*..----+-..+.\0:**ft*,,*-__._.__..'"".1.0*..,-----.T,.-,-,.--.:::.;!....----...........,****",-**--.-.--.**'!"'-......,__Hi-=**-f-........+-:........-==.=ri;+--;--r't-H---t-.--t-t-t-+-.*..!*=--+-.*.-"i---+-+-+--....-:--!..111-****:..1..+!.:t......L-it1,..__..l+/-:_i0.1,.-........."*._.........I-......_...,....+----.....+...*"""..,,..."..*..*..*1=:t:=t:::f::'-'-.--t--+-+-+-+--***tttl*ji--'-'-........1"..,.*...".-.."******..f****f*+..L.+_.\.******PRESSUREinTONSperSQ.FI.Figure2.5-125
  • • -'"I0)(()Ql'"-e()->-f-ao<LUa::*LUQ.U.0f-ZLUU.U.LU0<f-a::LU>-*0.050.010.005*1.010.0100.0*CONSOLIDATIONPRESSURE(TSF)SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONPermeabilityTestResultsonBorrowSoilsFigure2.5-126 B'*B..B""'8100030010010330NUUBEAOFCYCLESHOTES:BINDICATESBLOCKSAMPLE'*INDICATESSAMPLEDIDNOTFAILAFTER1000CYCLESI----,p(J3C'=750___I--------""""""II"...(J3CI=1500PSF1""---...............<D_B"--9....0---r--___'"kVO"ac'=aoooPSF'--------'-J\B'6...........-0..........--6_1"-"----..,---41"'"r--*.lI---!--{<rac'=6000SAPROLITEPSF",a-I=750psfoSca::I=1500psfSc10-t::::.a::I=3000psfScEWBANKWENTSOILS,AECONSTITUTEDSAUPLES_a-ScI=6000psf5%STRAINResiduoISoiIs(PI:I9:t)!--**0"'3C=6000PSFIfIIIIIIIIIII1IIII,1Io10.10.60.7o(J")(J")LaJa:....0.2(J")....<0.3a:-SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONCycleTriaxialTestResultsforEmbankmentSoils(Kc=1)Figure2.5-127 3snvoora:Jnl:lY3HS,::JI10A::Jr-----..,.-----r-----.-------.§t'-OlS..000..JIIIIII0"11'6'blitIII...-.-.-I-u0100§Z.....UCIJ:I::.::...""IIZ0<uuCo)CDa:lll:lll:lll:lI..:IIII*4*CDQ.::I;)Z0§"'"a::::>lI'llI'lQ....J<80gz"'"::-I-u"'"u..u.."'"0.:ISd-Nrsj9SOUTHCAROLINAELECTRIC&GASCO,VIRGILC.SUMMERNUCLEARSTATIONStressesRequiredtoCause5%Strainin10CyclesforEmbankmentSoilsFigure2.5-128 01SS3Y!SijV3HS-NI'fl:I1SjS.:iSd**0*§1.0*':l'enC")..J.*II0000en*IIIIIIIII'C'6"6§..JUI-..Z(,JWI0It)0*2......:0::0.-I.-IC\lL.I.Zen-<II:IIIIII(2)III2CDuuuWI::I:l*4*Z0§:;:)enCI\..J-<&!0§ZWIM=-I-(,JWI*L.I.L.I.WI*SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONStressesRequiredtoCauseSOfaStrainin20CyclesforEmbankmentSoilsFigure2.S-129

,l--o;c=3360PSFiKc=1.5iResidualSoilSpecimen/"-,'II=3360par;Kc=1.5...............".""",EUBANKUENTSOILS,f£CONSTITUTEDSAUPLES""-....'hISTRAIN"-,""I",,,Kat=1680psr;K="...........CC............O"fc=1B60parJ/""'"...........................Kc=12*0""0......V(ffc=840;K=1.5c..........II'-"""--.(ffc=49fPH;Kc="'0-.--,--r...-bOfC=450Plr;K=1.5-"'"'"'Q----.:C---------...-:J--IIIIIIIIIIIIIIIIIIIIIIIIII*1400...CDQ.1200z-eII:....to1000l/)w.,;:)-eIJBOO0....f::lwII:::>6000-wIX:II)II)WII:400....UlII:-e'"J:tn2000..JUU0*13*1030*100300*1000*3000*10,000.NUMBEROrCYCLESSOUTHCAROLINAelECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONCyclicTriaxialTestResultsForEmbankmentSoils(k(>1)Figure2.5*130 ShearModulusValuesatVeryLowStrainLevelsforEmbankmentSoilsSOUTHCAROLINAELECTRIC&GASCO.IVIRGILC.SUMMERNUCLEARSTATION.:ISd01-*9o*00ct00e:(l-e:(*C..JI-0..Jen0l&J(I)I-(I)W0ZI-..J00..Je:(0::lr5en0ca:a:0Cl.(I)*I-etl&J(I)a:<.>..J*0<.><.>00lL.0<1'10Cl.Wa:::len<1'1l&Ja:Cl.0Z000l-*etC..J0<1'1Zen0wuen0:>-0...J0<z<l.&.enCl.QQ.bwcnbog::::l0en0..0*z\0IC00["-CO)....IIII<...JC'wex:**Figure2.5*131 \\(/)UJ(/)\>-0-l<fZ<fZ0-\QUJ(/)c::r:::l....\<fZQ\0........(/)\<fUJ....J....\.UJCt-lI-c::r:'"-xc::r:-a::...."-u."--.,....J*U.,>-.u.....*',-...*,.(*.\c::r:*....c::r:Q.:..\......V)UJ.A,I-\..z\0U;Ct\0....u\-....JU>-,.uo,..,oNooIoNIo!"')IQ-=:t'0o-....zUJua::UJa..zc::r:a::....V)a::c::r:UJJ:V)SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONVariationorDampingValuesasaFunctionofStrainforEmbankmentSoils .-340:!:zo3205300'"o102-12"fiLTERS\lZONE2IlZONEn-----.:...ZONEBROCIl--rtZONE1-FINE=."ZONE2-COARSE'---I-FINETYPICALFILTERDRAINDETAILNOSCALE:soW3Bo400ek>>480500540OISTANCEINFEETFROMCENTERLINESTATION/1t$0FIL:fERLAYERSZONEAROD(----...........--==----NOSCAlElVARIES)FILTERLAYERZONE2U'm!.IO..1!L.L.TYPICALFILTERDETAilNOSCALETYPiCALTRANSITIONDETAIL*)to-420440DRAINCHANNELDETAilNOTE:CRESTCOVEREDWITHCRUSH£DSTONEFORTRAFFICABILITY.120140160ISO2002202402&0..280320540380ll80400300SERYlCEWATERPONDNORMALHIGHWATERLEVaEL4Z:l.O----...::.".i.-'.------300I_-,I__.LI_..J.__.5603002802802c4O220200ISO16014010080460*440420...wZ3lIO0t=cJIII'40320TYPiCALSECTION-NORTHDAMSOUTHCAROLINAELECTRIC8rGASCO.VIRGILC.SUMMERNUCLEARSTATIONTypicalSectionNorthDamwithDwg.No.E-726-406Rev.1figure2.5-133*is'".1:tir--t---------------------.--------------l..---------L!;mTll"I"I"I"Irm-..n

• FILTERLAYf;RZONIf!1,.I1:ftLAYERZONE2-1!l!RAf_fi!f'RAP._..ZONE2FILTERLAYERZONEI.-TYPICALTRANSITIONDETAILTYPICALFILTERDETAILTYPICALFILTERORAINDETAILNOSCALENOSCALENOSCALENOTE:CRESTCOVEREDWITHCRUSHEDSTONEFORTRAfFICABIUTT*460580400420440340360SERVICE....TERPOND1II0RMALHI6HWATERLEVELEL.425.0-......_-.",_.._-_0..__.-2VJ:.\SAJ6itl4>FOUNDATIONGRADEATMAXIMUMCROSSSECTtON../I*L---,-J_....,...--:.1..o220200180IfiO140120100806040ZO0204060801001201401601802002202"0260280aoo520DiSTANCEINFEETFROMCENTERLINEZONE2.FILTER-i**ZONfTFILTERj:..--"t6"____SE£TYPICALFILTERDETAILMONTICELlORESERVOIRZ'-fI'ItIP"APCREST,....._JNORMALHIGHWATERLEVU42**0..IIQI:K.....*2-.-FILTEASISUlPE.'-EL.415.0YAfllES*._AftUli.98AIWTMElfTSJ;lIMAX.2dFILTERDRAINt]"t'__VARIESFILL--........DRIGI!lALGRADE---____L__'--SEEPAGECONTROLBLANKET?'\\...s."\."S'""S!\,-""'.______.,'IR-..___NOTE'...-------.--SEEPAGECOKTROLBLANKETISCONSTRUCTfDOFRESIDUALCLAY.*45440.........410...zz4000...cleo>IIIoJ1&1160140TypicalSectionSouthDamAssociatedwithDwg.No.E-726-406Rev.1Figure2.5-134SOUTHCAROLINAELECTRICg,GASCO.VIRGILC.SUMMERNUCLEARSTATiONTYPICALSECTION-SOUTHDAM5"':;;'"c.;:f.f'"8-Ert--------------------------------------,----------------------....1...-----------------+-i'l!*:mTI'"'II'"'"lmnDl1
• 1"-0"ZONE2FILTER.-2-9-FILTERS(TYPICALATBOTHSIDES)6"ZONEIFILTERRIPRAP(VARIES)FILTERLAYERZONEZLAYERZONEITYPICALFILTERDETAILNOSCALEDETAIL'IAnNOSCALE460400SERVICEWATERPOND2-9"FIlTERSNORMALHIGH440(SEEFILTERDETAIL)WATERleVEL____.--_._--------.--=---420IZ<I.;3'-0"CRESTr.*..'/SELECTALJ-./ORIGINAL/'*__"5-oURIPRAPZONE0ROCK2-9"ALTERS2-"5-0"FILTERS4602380____L.__....L.-_--L__..l___L-_.....:.L__.J.____L__...1___L___.L...__...L_____I.__..l_.__L___J38016014012010080604020020406080roo120140160DISTANCEFROMCENTERLINEIFEETMONTICELLO440RESERVOIRNORMALI&.HIGHWATERLEVELEL4250.._.--._-ROCKTOEz420-'=i"ZONEAROCK't.-::-....400-J1&1*SOUTHCAROLINAELECTRIC&rGASCO.VIRGILC.SUMMERNUCLEARSTATIONTYPICALSECTION-EASTDAM!...c'"r.TypicalSectionEastDamfAssociatedwith0"'9.No.E-726-407Rev.1Figure2.5-135L'"9.j>-tJ/*1111IIIIIIIIIInII'IlWITI*

e*DUMPEDRIPRAP---ZONEBFILTERLAYERZONE2TYPICALFILTERNOSCALEDETAIL.-Iso'380360400420440FOUNDATIONGRADE25'--25'2'-0*RIPRAPZONEBROCK2-9-fiLTERS-__--..L::'""0RIGINALGfiADE---------.---.--_.-------SERVICENORMALHIGHWATERLEVELEL.425.D\PLANTSITEEL.415.0'---SELECTFILL,1IEMBANKMENT)/SEENOTE1./)440zoi=>1&1..Jw360t-420ILlILlII.2400*28026024022020018016014012010080604020DISTANCEINFEETFROMCENTERLINEo100120140TypicalSectionWestEmbankmentwithOW9.No.E-726-407Rev.1Figure2.5-1.36SOUTHCAROLINAELECTRICS.GASCO.VIRGILC.SuMMERNUCLEARSTATIONTYPICALSECTION-WESTEMBANKMENT5OJl:;.g.s;!*..,.mlnlnln,n.m.IIl* SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONPhotographOfDrainageBlanket*NorthDamFigure2.5-137

• • • • • • • SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONPhotographOfRockToeConstruction*SouthDamFigure2.5-138
            • SOUTHCAROLINAElECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONPhotographOfSlopeProtectionConstructionFigure2.5-139

....0.1-'-(/)z:....I-Z0z:00:(LUa::>I-(I)en-0.I(/)LUa::Q.%0Co)-0.2o(I)L&J:c(,,)z*zI-zL&J:z:L&J...Jt=L&J(I)z:0l-(,,):;:)or::l-(I)z:50(,,)II-(I)0a.6716+0015+00IIJ..OO13+0012+0011+0010+008+007..005+003+002+00,1+00CENTERLINESTATIONSIN.FEETSOUTHCAROLINAelECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONCalculatedPost-ConstructionSettlementandTensileStrainNorthDamFigure2.5-140

• 0.2LLI(I)O.Iz:LLII-:z:z0-.cr;0::LLI....:>eI)(I)(I)-0.ILLI0::A.:z:0(,)-0.2eI)W%(,.):z:z....z:w:::Ew...J........weI)z:0-....(,.):::>>0::....eI)*z:0(,.)I....eI)0A.o235*9+008+007+006+005+00CENTERLINESTATIONSINFEET3+002+001+00SOUTHCAROLINAelECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONcalculationPost-ConstructionSettlementrandTensileStrain*SouthDamFigure2.5-141
  • • • • • • 0001I001I_IIIIIIIIRANGEOFPSARTESTDATA0.1NO.401'00.200I.'.0GRAINSIZEINMILLIMETERSI""lII.,NO."NO.10US.STANDARDSIEVES'ZE10.J.IN.I1--I--.IIIIlI!I-IIIII3IN.100'00eo8070l-X_.-CIWl60)-IIItIII50ZiL...Z40...UItlU..1020'001000CRAVReo-Ifllltfilii---3SIlT01QAISHECTFIll..SOUTHCAROLINAelECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONStJMv11\RYOF45GRADATIONTESTSFKMTHEOORl'HDAMSummaryOfConstructionControlGradationTests-SelectFill(Sheet1of4)Figure2.5-142
• o1000***U5STI,NOAAOSIEVESIZEGANSIZEINJ,4ILLIMEfERS***SElIGFILLW\TERIALSSUMMARYOF24GRADATlOOTESTSFROMTHESOUl'HDAMSOUTHCAROLINAelECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONSummaryOfConstructionControlGradationTests-SelectFill(Sheet2of4)Figure2.5-142
  • • • • • • oDOl0.0101oGRAINSIZEINMILLIMETERSUS.STANDARD51E:"E:SllE:31N.liN.NO.4NO.10NO.40NO.2DOI-:--.,....II"'""I-(),il"-'<?;"\..RANGEOFPSAR1'"1'-/?VTESTDATA--0,IIr--'l/)!?'"-"f<//I!>r-.,r,..0'"1111VI"-../r/V/V7h/I""-./'77//1'Ci'"J)IIIIy/////h.1///.-j///.!/'/-OF;'/V/.III1'<DATA;II1'"'-Ilo.."<...77/VL;V///h'/I""'-111/V:,II"-'/III/'/I"'<,'4V/,I'jII""iIll'-'<Z.t.I["0.....I10010I.'0rooo208IDO...7J:"iiiJeoIIa::IIISOZiL...40tir30GllAYllMediumSIl'OIlUYSBICfFILLW\lERIALSSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONSlM-1ARYOF8GRADATICN'JESTSFRJMTHEEASTDAMSummaryOfConstructionControlGradationTests-SelectFill(Sheet3of4)Figure2.5-142
• 100908070l-I()wflO..ala:III50ZiLI-Z40WUa:wII.302010***GR"I"ISIZEINMILLIMETERS**SIllOIlCUY*SEL£CTFILLmTERIALSSUl+f1\RYOF43GRADATlOOTESTSFroMTHEWESTE7v1BANI<MENT"-----1SOUTHCAROLINAelECTRIC&GASCO.VIRGilC.SUMMERNUClEARSTATIONSummaryOfConstructionControlGradationTests-SelectFill(Sheet4of4)Figure2.5-142 liS**It*YdmaxNo.of%ofCurveOpt.mlcsamplestotalNo.(pcf)%comparedcu.yds.olaced51108.017.41<157102.519.31026697.126.11<167100.723.83<168100.625.515372106.0185731385103.022.51<191104.222.114394113.217.52<196100.524.51<198101.523.041102101.023.0295104104.422.43<1105105.521.323411498.920:71<1123107.218.22<1145106.919.33<1146106.719.4102162105.719.061167105.918.5193178105.720.0255192104.520.081193105.519.5183198106.117.0173201106.019.09417237108.7.7316257108.517.9306265108.318.0519279109.515.8102284104.422.7285293107.919.4112NOTE:Onlycompactioncurvesrepresenting5%ormoreoftotalfillvolumeareshown.120_-1-_-p.,;I.-t'_.:=::.-.-I"ISSUMHARYOFCOMPACTIONCURVESUSEDFORTHErmRTHDAMASTM01557-10METHODATotalcubicyardsplaced=784.455..202S303SMOISTURECONTENT-PERCENTOFDRYWEIGHTSOUTHCAROLINAELECTRIC&GASCO.VlRGILC.SUMMERNUCLEARSTATIONSummaryOfConstructionControlCompactionCurves-SelectFill(Sheet1of4)Figure2.5-143 115tt:l:ttttW:t:tttU-,SUMJ.1ARYOFCOMPACTIONCURVESUSEDFORTHESOUTHDAMASTMD1557-70METHODANo.of%ofCurveYdnaxOpt.m/csamplestota1No.(pcf)%comparedcu.yds.placed67100.723.810568100.625.51<169101.024.24272106.018.546227499.027.09482102.123.32185103.022.54291104.222.15298101.523.073102101.023.094104104.422.442105105.521.33015115104.617.71<1140107.919.3105145106.919.32010146106.719.494,62"105.819.052167105.918.5136178105.720.0136179109.517.01<1193105.519.51<1-,,-------------._-----------_._-CURV(OFSATURATIONFORSPECIFICGRAVITYEquALTO2.70Totalcubicyardsplaced=272,920H4--H-H'-t-t-tf\I---1-+++++"t-11--1'+-++-1-++100CI)zUJQall:QOnlycompactioncurvesrepresenting5%ormoreoftotalfillvolumeareshown.NOTE:**80101520253035MOISTURECONTENT-PERCENTOFDRYWEIGHTSOUTHCAROLINAELECTRIC&GASCO.VIRGllC.SUMMERNUClEARSTATIONSummaryOfConstructionControlCompactionCurves*SelectFill(Sheet2of4)Figure2.5-143II
• 120..t:+/-:..t*,.t...+,+f*"1..,...**f,."1"+';"*t-.***.;..J'".....SUNMARYOFCOMPACTIONCURVESUSEDFORTHEEASTDAt411520253035MOISTURECONTENT-PERCENTOFDRYWEIGHTSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONTotalcubicyardsplaced=44)96ASTMD1557-70METHODA158010:;...!--I--+l--ti-*++++*I--H-+....'t*I'.-...i*t110t-+1-H-++-.++.+-.H-t-++++--+-t+-!.1\:,h,o.....-,,10-'.+,,.........it!\1..1\',-'11../7,-.1-,'"1\.:t-+-t*A-...;;r...*NtIH-t"7f-+-+-+-+'J.,-:;.++l+.j......./I."l\..r-,.i..a:'-105.it..++++.V.r"V'NOTE:Onlycompactioncurvesrepresenting5%ormoreoftotalfillvolumeareshown.YdmaxNo.of%ofCurveopt.mlcsamplestotalNo.(pcf)%comparedcu.yds.placed92107.220.538104104.422.4513193105.519.538252109.217.525265108.318.0410269106.820.325279109.515.8410284104.422.71333289106.819.738*****SummaryOfConstructionControlCompactionCurves-SelectFill(Sheet3of4)Figure2.5-143 20253035MOISTURECONTENT-PERCENTOFDRYWEIGHT120.':1\l-'"L........i'I--.-.-.."--IFigure2.5-143SummaryOfConstructionControlCompactionCurves*SelectFill(Sheet4of4)SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONCURVEOF100%SATURATIONFORSPECIFICGRAVITYEQUALTO2.70Totalcubicyardsselectfill=590,000Totalcubicyardsplaced=1,169,087(includesnon-safetyrelatedfill)OFCOMPACTIONCURVESUSEDFORTHEWESTEMBANKt-1ENTASTM01557-70METHODA15-+-H-++-+++.H--++.+.++.t-HHt.-4j\.,-++-'I-H+++--..-r-.-r-.....,...,-.i\++H-l-+**.;;;08010..----..---I15----NOTE:Onlycompactioncurvesrepresenting5%ormoreoftotalfillvolumeareshown.No.of%ofCurveYdmaxOpt.mlcsamplestotalNo.(pcf)%comparedcu.yds.placedA107.017.2311116.312.51<12117.112.51<13110.416.852134114.613.61<16114.413.51<17108.917.42<19107.318.622610106.417.010311108.515.02<128109.914.14129108.618.519567100.723.8581568100.625.528769101.024.225672106.018.52<17499.027.01<185103.022.51<191104.222.17292107.220.54196100.524.531102101.023.01<1104104.422.431178105.720.0174193105.519.541200107.717.031201106.619.04512237108.717.762257108.517.9144262110.816.841265108.318.0144279109.515.852282112.416.21<1283107.819.531284104.422.792289106.919.772293107.919.431I*I*I*
  • • • • • • 18-0016+00'..*0012-0010+008+006+00"+002+000+00llllO"20....1100UJUJu..z:380z:0360-....>UJ3110-IUJ320300114012010080CI)CI)z:....0CI)-UJ....60....I-u..CI)0z:..0a:UJ20:::;).....z:CD00+002+00EASTABUTMENT...006+008+00."BOTTOMOFFOUNDATIONEXCAVATIONALONGCENTERLINE10tooDESIGNCRESTELEVATIONQS8.0NORTHDAM1'l4oo16+00-...."\)JUNCTIONOFWESTEMBANKMENTIQt20(NO)=19+88(WE)18+00WESTABUTMENT.-1<'"n",-0Oc:::Oc33,-:1:a(\"TIo*'<'"_.::I0c::OIQ'":;:000c::r-i-<':::..,-...S:zIII111....0m......IVr+::o::l::0VI....IIIm*0"'-'.........c:ccmnnIII_.,--i.0m::O",::I}>nIlln:01/9in0'"n::l-iCl}>}>0::l'"--onliZSTATIONNUMBER BOTTOMOFFOUNDATIONEXCAVATIONALONGCENTERLINE***0,IWIW...zIJOOz0380c>IW....IW36031102+00,STATIONNUMBER6400IDESIGNCRESTELEVATION,10+00,**SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONSummaryOfConstructionControlCompactionTestResults*SelectFill(Sheet2of4)Figure2.5-144 12+002+00oBOTTOMOFFOUNDATIONEXCAVATIONALONGCENTERLINEDESIGNCRESTELEVATION430I-Id.JLU.....:z::z:::?P-et,.,l.UEASTDAM..ILU2012+00°°STATIONNUMBERSOUTHCAROLINAELECTRIC&GASCO.VIRGilCoSUMMERNUCLEARSTATIONSummaryOfConstructionControlCompactionTestResults*SelectFill(Sheet3of4)Figure2.5-144II
• DESIGNCRESTELEVATION'SERVICEWATERPUMPHOUSELOCATED'NTHISVICINITY0.00iIlilO1120I-......llOO380z0I-360c.........311080706050......110"'1-I-c300'"...Z20.............10zl:;:00t00lltOO10.0010-tOO1240012400*11141Il4OOWESTEMBANKMENTIIltOO16400JIltOOJUNCTIONOFNORTHDAM19+88(WE)=(ND)***STATIONNUMBER**SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTAnON*SummaryOfConstructionControlCompactionTestResults*SelectFill(Sheet4of4)Figure2.5-144

...8+7DistributionofIn-PlaceDensityTestlocations-SelectFill(Sheet1of4)SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONNUMBEROFTESTSvsDEGREEOFMOISTUREOPT.+1...2+3+q.+5+6DEVIATIONFROMMOISTURECONTENTSPECIFICATIONLIMITS(-Ito+6%)MATERIALSTESTEDOUTSIDEOFLIMITSWEREREMOVEDORMOISTUREADJUSTEDANDRECOMPACTED-I-20...................---208010C+8...7+5+6+3+2SUMMARYOFCOMPACTIONTESTSFORNORTHDAMDEGREEOFCOMPACTIONHUMBEROFTESTSvsDEGREEOFCOMPACTION-2-I-3-5MATERIALSREQUIREMENTSSPECIFICATIONLIMITS(90%)WERERECOMPACTEDORREMOVED-62080100******'"60en60'"enwwLI...LI...000:::0:::LLJwcccc::E40:::l";:)z:z:*Figure2.5-145 SUMMARYOFCOMPACTIONTESTSFORSOUTHDAMSOUTHCAROLINAELECTRIC&GASCO."VIRGllC.SUMMERNUClEARSTATIONDistributionofIn-PlaceDensitylocations*SelectFill(Sheet2of4)IFigure2.5-145.---------------._-_...._l_IM_I_T_St'--_(-Ito+6%)-2-IOPT.+1+2+3+4-+5DEVIATIONFROMOPTIMUMMOISTURECONTENT(%)NUMBEROFTESTSvsDEGREEOFMOISTUREo106050MINIMUMSPECIFICATIONREQUIREMENTS(90%)NUMBEROFTESTSvsDEGREEOFCOMPACTIONMATERIALSBELOWSPECIFICATIONLIMITSWERERECOMPACTEDORREMOVED-6-5-ij-3-2-I90%+1+2+3+ij+5+6+7+8DEGREEOFCOMPACTION(%)50604-04-0enenl-I-enenLLILLIl-I-LL.LL.<:)30<:)30*exa::LLILLIenen::E::E:z:z2020* SUMMARYOFCOMPACTIONTESTSFOREASTDAMDistributionofIn-PlaceDensityTestLocations-SelectFill(Sheet3of4)SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTAnON+7+6...+5..3..2NUMBEROFTESTSvsDEGREEOFCOMPACTIONSPECIFICATIONLIMITS(-Ito-+6%)MATERIALSTESTEDOUTSIDEOFLIMITSWEREREMOVEDORUREADJUSTEDANDRECOMPACTEDOPT.+1DEVIATIONFROMOPTIMUMMOISTURECONTENT(%)-I-20.......------51510203025+7+8+9NUMBEROFTESTSvsDEGREEOFCOMPACTIONSPECIFICATIONREQUIREMENTS(90%)-6-5-3-2-I90%"'1+2+3+5+6DEGREEOFCOMPACTION(%)5o..1.--....---......-..--_*30*25*20(I)(I)UJMATERIALSBELOWu..SPECIFICATIONLIMITSc15WERERECOMPACTEDD::ORREMOVEDUJIlO2:z:*10***Figure2.5-145 SUMMARYOFCOMPACTIONTESTSFORWESTEMBANKMENTMATERIALSBELOWSPECIFICATIONLIMITSWERERECOMPACTEDORREMOVEDSPECIFICATIONREQUIREMENTS-_..,--(90%)SPECIFICATIONLIMITS(-Ito+6%)MATERIALSTESTEDOUTSIDEOFLIMITSWEREIREMOVEDORMOISTUREADJUSTEDAND.RECDMPACTED.1100100-3-2-IOPT.+1+3+5+6+7DEVIATIONFROMOPTIMUMMOISTURECONTENTC%)NUMBEROFTESTSvsDEGREEOFMOISTURE28-6-5-3-2-I90%+1+2+3+5+6+7+8+9.10DEGREEOFCOMPACTIO"Cr.)NUMBEROFTESTSvsDEGREEOFCOMPACTION2080enen60I--60I--enen.....WI--I--lL.l&.000=:0=:.....UJCDCD%%IW::>>::>>zz:SOUTHCAROLINAELECTRIC&GASCO.!IVIRGILC.SUMMERNUCLEARSTATIONtDistributionofIn-PlaceDensityTestLocations-SelectFill(Sheet4of4)Figure2.5*145

• • • • • • • \.SPECIFICATION.REQUIREMENTS0.0010.01SlU01mAY01NO.40NO.200,1.0\'V7/'.....GRAINSIZEINMILLIMETERS..IIIIIIIIII,IIII,II1OU.S.STANDARDSIEVESIZE'rT"T'T'"T'..,.-..,r--r-r--,-T,:InIN,'.-.-..'.,;lpN*777DP'D'dNO.4NO.10'.)/'VA10080eo70..%CJiiieo..IIII:DOIIIZ;:..Z40IIIr'0.201O°1001000ICOIIIIWzett1FILlERSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONSlMIlARYOFEIGITY'-THREEGRADATION'IESTSREPRESENI'ING32,151CUBICYARDSCFW\TERIALSummaryofConstructionControlGradationTests-Zone1FilterMaterialFigure2.5-146
            • USSTANOA"OSIEVESIZE*0010.01011.0GRAINSIZEINMILLIMETERS101003IN.liN.NO.4"10.10"10.40"10.200-\-1\IIIiI.----1---..f--"II'I,r/i\h--1I..7VII'/\I:;:I.I.----------v/.r"f---'II'//)SPECIFICATIONREQUIREMENTS.-1-._--1--_.,.---f----tIl77/II.,rA-III!-1----_.-.-\--.--_.lj..I-LIMITSOFTESTDATA"\[77r.__IJ---1I.---l//1\'I.,-II---_.--.-.--V//"--.._..-fV//11\I.:----..-..---_.----_..,...-....I,I_...l!\--..-JI*1--_._-_....-_..lIt%II'IL__tzI-I--------......-Ir-P'-'0Poooeo20101007080Xl)iiiJeo)-IIII:III50ZiLI-40UII:1&III.30SIll01CUY2FILTERSUMM1\RYOF150GRADATIOOTESTSREPRESENI'ING35,858CUBICYAROOOFM1\TERIALSOUTHCAROLINAElECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONSummaryofConstructionControlGradationTests-Zone2FilterMaterialFigure2.5-141 USSTANDARDSIEVESIZE000100101lIN1INNO4NO10NO40NO2001000100\010GRAINSIZEINMILLIMETERSSIll011WiARIPfWJSOUTHCAROLINAElECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTAHONSUMvlARYOFNINEGRADATICNTESTSREPRESENrlNG42,636CUBICYARDSOF.M1\TERIALSummaryofConstructionControlGradationTests-ZoneARockFigure2.5-148

              IIN.USSTANDARDSIEVESIZE.JIN.NO4NO.10NO.40NOZOO.l-....-.--_.I.-..-:II*ll!-._-i:!:*--1-.._._1rA!,I,iii.,.:'..----..."I.;*tiI,tt*..'Ill-.-----iItt'+-4-+---+'-1--'IIi___....-.-1.'i:-III;.-_fTirt;i'+t-'.Titl---f-----f-.-t-t-+--+--++++HI-+--I--I---I100I;,.eo8070.-'*1-+--+--+--.*,1-.1-,++-.,-f-----20_.____IiIIII"-...-..I1--.....,i'......-.--1--.-I°Htttt...t.-..t-.i...-_-...t.i-i11i.-+.t.......-..i--H+,ttt-+t:II,,--t**l--'-fl-t_t-f-l--............---UT..-f-..t----fJ1.LLLLL...L_O).OJIWLLLLL_O,...JoolGA"'NSIZEINMILLIMETERSCOIIIUS..--I---;l:toI:::I1I::--1Ir---=IIediulII""'*..---1SlUOIlUYZUI:BRIPIWlSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONStHfARYOF'lHREEGRAD!\TlOOTFSl'S36,000CUBICYARDSOFMATERIAL(INCWDESD1\TA'IHIDlJ:}HJmE,1976)SummaryOfConstructionControlGradationTests-ZoneBRock(Sheet1of3)Figure2.5-149

,USST"NO"ROSIEVESIZE:5INliNNO,4NO,IONO,40NO,200100ItIi:-I---IIf'l'1\.90V,,II-----i------...-,--t-----'---1------IIII80/1/'_L-_-It___U-H!I--IISPECIFICATIONREQUIREMENTSi:70,!fT'IiI:!l-v:I:t/-:----I--t-',',-t-+-1----I.,---iiit/I60I!II>-__l:_l-I-IIIv:LHHTSOFTESTDATAIIII:W50II:zII-t---,.-11:---1-f'--f---...t%III.Iz40W\IIIIUill::-,------it--I!I,wI30I--iII,-----------r-------IIII,20I!_lII-..--II-------,IIIiOJII:I"---II--I-IPo100101,0010,010001GR"'NSIZEINMILLIMETERSL.I'WYUISANDIIOOS8USClImmlIFineCoIlleIMediumIfllltSILT011ClArSOUTHCAROLINAElECTRIC&GASCO.ZOf£DRIPRAPVIRGILc.SUMMERNUCLEARSTATION,yof5GradationTestsRepresenting20186CUbicYardsSummaryOfConstructionControlGradationTests-Zone0Rock(Sheet2of])GRADATIONCURVESFigure2.5-149

• • • • • • • ---;.-'---./,RockSizeSpecificationFieldCountsI(inches)Guidelines4310098.4---_.-3790-10085.1310-55.0'lJSTANDARDSIEVESIZENO...NO.10NO...0NO.200*lIN.-.-.---1---r3IN.---II+++-t-t--t-*_-._-_..---I!!IIIIIIiiI.IIII.IIIIIIIIIt-_.t--'--f+1H-+-+-QuarryAGranty2.65to2.74)-'++++-I--lI-+---tt'f+i-+_+__t_-ft-_t-t+t+tM-t-f---t-f-t-HH-PercentPassingByCount.IIII'iIII'-+'"H-+-t-SPECIFICAT:IONREQUIREMENTSi--11--+---+----t-++-t-t--f-riI'1-+-++1-+-,-+1-+--++++++--------.-+--t----II*t-t-f--1---,Ii*,.jO100'95.1FieldCounts10090-1000...5itt:,.,j'"11"J".'.':r'.determinedif;'.:.fioekwas*acceptableinallrespectsi':'::**rtII,IIII:'t1'1'1IIIIIIIIIrr1\'010.01453933ilII1.0GRAINSIZEINMILLIMETERSI!10.:..-1__.-11f---t--+-'---H-H-_I_+IIQuarryBGravity2.55to2.64)I'PercentPassingByCount-I-----------ji----H-t+++I-__'1_._.I-'-------1--f---I100--_.-t-t+++--I-HJ--,+-+-ii---t+irt-t_t_t-t---tt----+t+r-t-tit-t--t--t-_t+t-t-t-+_1'VI'E:II+++---t-+...-t-------.--+++-jf--1---t-.-------.J-II-+++---t--t------HI+++--It--t--f-----.--+..-I+-+-+1I1-++--t-1t--t--f-------.H..1bckSizeSpecification.---1--(inches)Guidelines.SOUTH&.GASCO.'VIRGilC.SUMMERNlJClEAR'-STATtONZONECRIPRAPSWlTaryof102Gradat.ion'IestsRepresenting25710,QIbicYards.,"tr;:,==="=::::;";==ti==============================..:;:::;=..;::::::i:==============-=======.......=tlSummaryOfConstructionControlGradatiOnTests.R'ock.-(Sheet]:(jn)',;.Figure2.5-149I'"
            • 3IN.lIN.U.S.STANDARDSIEVESIZENO..NO.10NO.*0NO.2000.001,...":...,.....0.01.01'1.0GRAINSIZEINMILLIMETERS10I';.100--fj1t--f-t+++H-+-.-f---I--RANGEOF;/"'..,ilIPSARDATA.,.",100lID80..701:"iiiJao)-IIa:III50Z,..z"0IIIUa:III..30201001000--fi=-IlII---lSIllIIIGAYSampleNo.ElevorDeDlhClassificationLLPLPISYMBOLUDS-2MI*-----*22.2433310--__---+-_uML-i?1?4?14R-----UDS-4ML-GRADATIONCURVESSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONGrainSizeDistributionCurves-BlockSamples(Sheet1of8)Figure2.5-150
            • .JIN.U.6ST.NO.ROSIEVESIZE10031N.NO.4NO.10NO.40NO.200i'I...II.--_.Ir""'"..."""""80I:,II.II""80III'\.....--....-.\""1::"-70100...0-jI./%I0iiiIIf""'\eo....IRANGEOF......"I......"-.......IIa:IIPSARDATA"\.!..."'III50ZI"'...'"iLIII,"-""'"""IiZ40III...-uII"-.."-r'\a:r30II'"r-.....I:..."II""'-;;"IIII":r--............20.::I,:".....toIII.,I'.""II01000100to1.0010.010001GR.INSIZEINMILLIMETERSIC088WIGRAmISAIIDIItaintIflllttalneIllediumIFineSIlTQ.AlSampleNo.ElevorDeDthClassificationNatWCLLPLPISYMBOLUDS-5-MH27.(59463SOUTHCAROLINAELECTRIC&GASCO.UDS-7Mlr-..-24.7-VIRGILC.SUMMERNUCLEARSTATION-5934-----"0"-9MJ.I?4.,6q4i-?';-----UD5-11-MH24.3614318----GrainSizeDistributionCurves-BlockSamplesGRADATIONCURVES(Sheet2of8)Figure2.5-150 USST"'NOAROSIEVESIZE3IN.liN.NO.""10.10NO."0"10.200100Ir1"'1I1;----.-r-----'.............r-II'"-iilO"-I',0-.........III--t--II1["..'I"....eoII:"\lI'\I....---"",.........""70iI1I'"/"'\....................l-It--+:tIVi'\.."II'roow60IRANGEOF'/""'".."I"'"i'..>---PSARDATAi'IDIIII"II:50li"'l....."J-'-"i.'"'z"'..ii:III:""1'.."'":'-.............l-I'-..z40II....,...........wU--!....II:III'wII.30I"-"IIIIIII,f'::t.'-...I1"0"20II:r"!'"i...............IIIIII,10l:II,II0101.0010.0100011000100GR...INSIZEINMILLIMETERSIIGRAVUIWID1SILT011CUYICOOllUSeo-IrmeCoIrwIlIlediumIrllltSampleNo.ElevorDepthClassification"'atWCIIPlPISYMBOLSOUTHCAROLINAelECTRIC&GASCO.UDS-12330,0MH1::>5?594514VIRGilc.SUMMERNUClEARSTATlONUDS-13375,0MH18.6604911------18.448444UDS-14336.0------GrainSizeDistribution>---ObS-15348.0MH21.1574116----Curves-BlockSamples(Sheet3of8)GRADATIONCURVESFigure2,5-150
    • .'***U&STANDARDSIEVESIZEtOO3IN.liN.NO.4NO.10NO.40NO.200i'Il'.I80I"-....I:L...."'"IIII1"'\,-ilIleoIII"'li'I\'......70)'"IIlo..l-iIK[\:EI<II"r--.:........"'"iiiI!"I"',"JeoIlo...IRANGEOF"....1'<"(""Ill"'"*It!SoIIPSARDATAI"-"IIIZI:ii:II"i"o-Io..."'1'""-I-IIII'1'"..Z40,IIIIuI1"1-.......Itroo..IIII..30IIIII'"III20III'I-b....10III.....I"'---L--.I0I!,!1000100101.0010.010001GA","iSIZEINMILLIMETERSICOIIIlUSIGRAmISNlDIIeo-IrllltCoaI1lIMediumIr..SIlT01ClA'SampleNo.ElevorDeDthClassificationt1atWCLLPLPI:"lYMKIUDS-17391.ML-:SM-_Iq1NPNP-SOUTHCAROLINAElECTRIC&GASCO..-UDS-18402MH22.7684424..-VIRGILc.SUMMERNUCLEARSTATION------UDS-19344MH22,(52451-----IIns-?o407MH-fH?J\-:603228---GrainSizeDistributionCurves*BlockSamplesGRADATIONCURVES(Sheet4of8)Figure2.5-150
      • • • • U5STANDARDSIEVESIZE10031"1.liN.NO.*"10.10"10.*0"10.200I'I......II'"""'-""-.80T"'I"II,II1'(..'"80II...,I,,'.../......,70"',,-I"lo....I)('\.'..'":t"iiiI/I...'.....eo)-IRANGEOF,.............r"'l*a:I:IPSARDATAI...."""'f'w50ZI::......'\."""--..IlII,"z.0...........IIIIII........'*'-u"---a:IIII....,""'..L30II""":::::..,II,-20I--.....II"-10IIIIIrooo100101.0010.010001GAAI"lSIZEINMILl.IMETEASIaJBIlUSIGRAVUISMOIJea-IrllltCoIt1tIlIediumIr...SIll01CUTSampleNo.ElevorDepth.ClassificationNatWCLLPLPIIIDS-?l363MI49418SOUTHCAROLINAELECTRIC&GASCO.---..IIns-??N/AML2444395VIRGilC.SUMMERNUClEARSTATION---------UDS-24422ML22NPNP------UDS-26369ML-SM2034.13----GrainSizeDistributionCurves*BlockSamplesGRADATIONCURVES(Sheet5of8)Figure2.5-150
            • .J.IN.U.S.STANDARDSIEVESIZE100:sIN.NO.4NO.10NO.40NO.200,'III""""'-."illo..80'"",II,IINt\/...80II"1""070k:I"'"-.....IRANGEOF;...-I'.'1\\:rI""'-"iiiIPSARDATAI"'--00)-I'IlliiiII"a:,,r"IIIsozIlIiLt::rs"-I-IIII1\.....,"IIZ40IIIIuI'-....a:IIII"II","'"lL30....II""I,20II"'"r-..."II!10IIIII"-I01000100101.0010.010001GRAINSIZEINMII.I.IMETERSIal8lIUSIGRAVRISAIlDIICollIeIrawCol,.IMediumIr..lilT01ClAYSampleNo.ElevorDepthClassificationatWCLLPLPISYMBOLUDS-28NillMI-:SL71NPNP-SOUTHCAROLINAelECTRIC&GASCO.UDS-30379ML-MH2151447--------VIRGILC.SUMMERNUCLEARSlAlIONUDS-31381MI-MH-544111-------UDS-33N/AML19NPNP-----GrainSizeDistributionCurves*BlockSamplesGRADATIONCURVES(Sheet6of8)Figure2.5*150
            • .J.IN.U.S.STANOAROSIEVESIZE1003IN.NO.4NO.10NO.40NO.200IIIfI-I'"""""1':1:-......"'"""'"110"-I'"III1',\,""....80II,\.)......,"-""'lll,,-70...\I"'...I"'-"""-.-IRANGEOF"'\.,xI"iiiIPSARDATA!\..Ir--.....leo....I\""-...:---IIjla:III\""'"-III50'-z!II\I...""_\."iLt-I!II,Z40\IIUIr,"-.a:rII.........30.......IIIII,,"'"20,I'i!l..."....r--10II""I!I'-0I!I1000100101.0010.010001GRAINSIZEINMIL.L.IMETERSICOll8USIGRAYllISNiDIIeo-Ir...CoIl1tIMediumIrllllSlU01QAYSampleNo.ElevorDeDIttClassificationl'4atWCIIPlPISYMBOL_.UDS-34N/ASM20NP'NP-SOUTHCAROLINAelECTRIC&GASCO.UDS-36416SM-ML23NPNP-------VIRGILC.SUMMERNUCLEARSTATIONUDS-37384ML21NPINP---...-,----UDS-44408ML1943367----GrainSizeDistributionCurves-BlockSamplesGRADATIONCURVES(Sheet7of8)Figure2.5-150
            • USSTANDARDSIEVESIZE1003IN.tiN.NO.4NO.10NO.40NO.200I'I-"II""-.........'"".....DO"..I\II,I,IV....80II"II.......X\..-......-\70,.,"'f'-.......:""-,toIRANGEOF"/'I'""\.,""J:"iiiIPSARDATA'"I\"Jeo..I"-""-IIIIII:ISOIII""-..Z'IfI'iii........'\.:I'"iLtoIIII'lio...,z40.....IIII......,'....uI""'".....II:IIII,,-'-""...30I......III"-...........,III,['...20I.....-.:.-10III"-TI0II!1000100101.0010.010.001GRAINSIZEINMILLIMETERSICXllIIWIGRAVElIWIDIIeo-IfllllCael1tIMediumIfllllSIlT01CUYSampleNo.ElevorDepthClassificationNatWCIIPlPISYMKIJIUDS-48431MH27""487SOUTHCAROLINAElECTRIC&GASCO.--_.UDS-49430MH2457*4413----------VIRGILc.SUMMERNUCLEARSTATIONUDS-38394MH2052.448--------GrainSizeDistributionCurves*BlockSamplesGRADATIONCURVES(Sheet8of8)Figure2.5-150
            • US.STANDARDSIEVESIZE1003IN..J.IN.NO.4NO.10NO.40NO.200II,'-I-"I'""-eo"-Ilil,I,IlIl...80IIIll"""'\V"1'\I"-70t-o,1'lIlV\.""'lXIll...,II\iiiIIlo..eo..IRangeof""-....*a:IIPSARDATA""'lr-.I'IIIeor--...."zlr"..1'\..1"'-iLIII"'...""Iill4&0IIII,f'"IIII"-lLsoII"'NI::...III"'<llt'-....20IIIfil;,...,---III....,.10IIIII01000100101.0010.010001GRAINSIZEINMILLIMETERSICXlIIIll£SIlillAYUISNlDIIeo-Irlllttoe,.IMediumIrillSill01ClAYSampleNo.[levorDepthClassificationatWCIIPlPIUDS-21N/AML."11491418SOUTHCAROLINAELECTRIC&GASCO.UDS-nN/AML:---1?1.514411q5--------VIRGILC.SUMMERNUCLEARSTAnONGrainSizeDistributionCurves*BorrowSourceGGRADATIONCURVESFigure2.S-1S0a
          • UNCONFINEDCOMPRESSIONTEST*ProjectVirgilc.SummerNuclearStationCoord.N472,591Elev.383BlockNo.UOS-2E1.905450DescriptionRed-brownmicaceousdecomposedsandysilt(ML)MoistureContent23.2DryDensity89.9'IIcfliQuidliIIIit43%Plasticlimit33%MaximulIlAxialStress1.695tsft2.0%StrainIIiI:--t:.1-.,!-+';I!--I--r--ti*t..I...i._e---.;i--W,*!:i'I--t*,--1----,I,I,_.-f-----...IIIi2.0:I.j.,--f--'I---I-._.---t....-"l-,..,-...,+atI:.-1.8,'..1-----i:.'->-----.'----1-'.IIC')IVr--..en1.6--r/"-_..-,..:-u.I!i;,Ql:VIiIen1.4/,:,II.i!*!!I,;-1.2I:I!)C!iII;,I*I:I'I,!:1.0:I',,Iil.!Ii:ii:t';0.8Iii-+-1r----':II-l-1--...-II-'----,,f--.___'/1II:,IIIII0.6-iI!!:.I--III:/.I...--f,*-:!iIIIIi0.4J:Ii!i-,IIiII!:+-f-:i-1----I0.2il!-..,---I--"f---li:IiV:Iii!,i001.02.03.04.0AXIALSTRAIN.%SOUTHCAROLINAELECTRIC8.GASCO.VIRGILC.SUMMERNUCLEARSTATIONUnconfinedCompressionTestResultsOnBlockSamples(Sheet1of2)Figure2.5-151 UNCONFINEDCOMPRESSIONTESTDescrilltionRed-brownmicaceousdecomposedsandys;1t(ML)*ProjectBlockNo.VirgilC.SummerNuclearStationUDS-4Coord.N472.745E1.Q05425Elev.390*MoistureContent21.2%LiquidLimit41PlasticLimitMaximuIIIAxialStress2.5tsfi2.0%Strain37:£DryDensity93.6pcf3.0!!....."2.5Ir1\I-+-+--+-+-+-+--lr-+-+-+--i-'-+-+-+--+--+--+--+--+-.-+--+--+--+--+--+--+--+--fIAXIALSTRAIN.%SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONUnconfinedCompressionTestResultsOnBlockSamples(Sheet2of2)!!4.03.0:/i:-+..--..t_-+-..r----l'IIII,i'II.A1--1--.-t.I\!/1.-.---:j__-.;.'--+---IL.W..I*-_.-.._.--+--.t--+--+--t-L__--JIlfI;1/Ii-'1Tl*-+--+-+--f---i--+-+-oa1.02.0:!II\iIiI:IIIII1.0II1.5IIt--+-!;--+-l-+--t------_._+....-+_...-+-+-+-+-+:-t-f2.0"t-ti>---1*1---:..:---_.I--I--._-...+-+-t-t->--t-I::-1l--+--+-ii-/-+--+!_-+-+-_.--0.51/1....***Figure2.5-151
• 16IIIUnconsolidated-UndrainedTriaxialCompressionTestOnBlockSamples(Sheet1of4)SOUTHCAROLINAELECTRIC&GASCO.VIRGilC.SUMMERNUCLEARSTATION81012NORMALSTRESS,tsfTESTNO.SAMPLENO.LOCATIONDRYMOISTUREPERCENTCONFININGSTRAINDENSITYCONTENTCOMPoPRESSURE(pef)(%)ftsf}00UDS-5NORTHDAM92.Q27.589.01.5016.0UDS-5NORTHDAM91.728.788.33.0015.0UDS-5NORTHDAM92.728.089.36.0018.0UDS-8NORTHDAM88,,023.287.q1.505.0UDS-8NORTHDAM92.925.I92.33.005.0UDS-8NORTHDAM96.823.696.26.005.0(j)UDS-15NORTHDAM91.821.191.22.0015.0UDS-15NORTHDAM86.521.I85.93.0017.0UDS-15NORTHDAMgq.g21.'9q.26.0015.0O-+--....&..........--Il---r--...............--....---..............-......--...,.---4,--o1612NORMALSTRESS.tsfSAMPLEUDS-15__---....--.....,---...oNORMALSTRESS,tsf268....en8SAMPLEUDS-58SAMPLEUDS-8*....ct>:21.Soen....6en6C::I.Otsf(I)(I)LLJ(I)0:::(I)*LLJt-Il0:::'+(I)t-o:::(I)4:(0:::LLJ4:(:%:UJ(I)2:%:2(I)****Figure2.5-152 e*NORMALSTRESS,tsf20NORMALSTRESS,tsf*SAMPLEUDS-13SAMPLEUDS-2455'"+'*-'"+'enen-UJenIXent-UJ3en3IXIXt-elenUJIX::J:el2en2UJ::J:en*.'**SAMPLEUDS-305'"+'-enenUJ3IXt-enIXelUJ2::J:enNORMALSTRESS,tsf78TESTNO.SAMPLENO.LOCA-:-IONDRYMOISTUREPERCENTCONFININGSTRAINDfNSTCONyNTCOMPopcftsf))§UDS-1391.218.886.01.516.5UDS-13SOUTHDAM86.I18.681.23.022.0UDS-1386.I18.681.26.019.0.....91.822.386.80.251.78(JJSOUTHDAM83.I22.978.60.50&.0515)UDS-2ij87.I20.ij!.OO1.>.03UDS-3093.720.I86.60.254.5UDS-30NORTHDAM92.22!.585.20.503.5@UDS-3091.721.01.005.0SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTAnONUnconsolidated-UndrainedTriaxialCompressionTestOnBlocKSamples(Sheet2of4)Figure2.5-152
• 98567NORMALSTRESS,tsf32*UOS-48*5II)...eI)eI)"'"3Gl:I-eI)Gl:C2"'":ceI)**TESTNO.SAMPLENO.LOCATIONDRYMOISTUREPERCENTCONFIIiINGSTRAINDENSITYCONTENTCOMPoPRESSURE(pef)(%)(tsf)(%)(?)95.991.90.253.57EASTDAM96.925.692.80.503.9395.1l25.51.008.75***SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTAnONUnconsolidated-UndrainedTriaxialCompressionTestOnBlockSamples(Sheet3of4)Figure2.5-152 GASCO.STATIONTriaxialCompressionTestOnBlockSamoles(Sheet4of4)UNCONSOLIDATEDUNDRAINEDTRIAXIALCOMPRESSIONTESTProjectVirgilC.SummerNuclearStationBlockNo.UOS-1Coord.N472,375Elev.369E1905400DescriDtionRed-brownmicaceousdecomoosedsandysilt(MH)MoistureContent29.4DryDensity93.7pefLiquidLimit60PlasticLimit38RelativeDensity(Ij'",-max.:11.25tafat15.0StrainChamberPressure,Ue=3.66tsf12.0......11.0...-.-Vt:10.0I,,.I/'.-,......-.I,9.0IbIII-8.0I.-j-"'"I(,,)z7.0"'"I-"'"6.0i!-I!iClI5.0IIi;'":'",!"'",-4.0r----'iII'"III:3.0,IU!I;iIII!i2.0IIiI,!!IIIII!,1.0L__Ia02.04.06.08.010.012.014.016.018.020.0AXIAL%ISOUTHCAROLINAELECTRIC&STRAIN,VIRGILC.SUMMERNUCLEARIUnconsolidated-Undrained*******Figure2.5-152
• 7652c=aeos$c=900psfSin¢=Tan25.0=27.8°ell+'3b2.--Il765acosjc=2c=1380psfSini=Tanc:o<Sin¢=Tan18.6i=19.7°23ell+'tlf**.'**TEST110.BLOCK110.lOCA-LLPLIC)ISlUREDRYit;,t(lTj-03)max(ftIJCTlONCOIITENTDENSllY(%)(pef)(tsf)(tsf)(%)(deg)(psf)G)ODS-I29.891.'0.721.6213.0UDS-IWEST6038I91.51.801.7812.518.81520EMBANKUDS-I23.893.03.602.2113.6@UDS-a22.3101.50.722.56lij.2UDs-3WEST1153522.5102.01.803.0015.'25.2EMBANKUDs-a22.6101.53.603.5817.5*SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONIsotropicallyConsolidated.UndrainedTriaxialCompressionTestsOnBlockSamples(Sheet1of7)Figure2.5-153
  • 66SiniP=Tan0(SinTanoC.Sin*=Tann.lJo5Sin=Tan26.1J054i=270,=29.80*c=jjc=i....cos,cos¥.........q.c=650psf..C=S76psf........\)b3,3\)Ib-IN22-lC'fILLT::."23IJ567891O1:::."23q567'8910*tafHirl+0;>,taftsfHif'1+c13),tsf***lESTMO.BLOCKMO.LOCA-LLPL1<<)1STUREDRY!(OJ-c13)maxffjC..TIONCOIITENTDElCSITY(lsf)(bf)(deg)(psf)UDS-A19.998.51.01.8223.0UDS-AWESTNPNP19.1J97.82.652.2112.526.1J670EMBANKUDS-A22.392.36.553.IS13.0UDS-923.397.21.51.5220.0IIUDS-9WEST691J322.597.23.02.2020.031600EMBANK@UDS-999.6IJ.I57.0SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONIsotropicallyConsolidated,UndrainedTriaxialCompressionTestsOnBlockSamples(Sheet2of7)Figure2.5-153

---

Sin¢=TaneX.Sin,-=Tan3j=25.6°....CiiieX.=23.ell=....cosC=600psf\)(¥)2I-INc=acos¥c=250psfSin¢=Tano<Sinf=Tan270f=3103....ell........2I\)"-INLr:°0.27tSf-C::.Itsf235672-3567It!(ffj..o;)tsftsfIl*BLOCK110.LOCA-LLPLM>ISlUREDRYire!(tT1-03)miU(fjClESTNO.TlOMCONTENTDEMSI1Y(pef)-(tsf)(tsf)(%)(deg)(psf)@I89.21.512.8UDS-IIUDS-IISOUTH6190.03.01.288.031250DAM@UDS-II90.16.02.'18UDS-1283.51.50.9817.0@UDS-12NORTH5995.83.01.6717.025.6600,DAM-;-1JI)S-1296.86.02.288.0SOUTHCAROLINAELECTRIC&GASCO.VIRGilC.SUMMERNUCLEARSTATIONIIsotropicallyConsolidated.UndrainedTrJaxialCompressionTestsOnBlockSamples(Sheet3of7)Figure2.5-153

.-==__*__.:'._76s32:iin;=TilnSinf=Tan27°30.6°-L-cosC=5803.....'"+'.2IbIIb--...L-a=0.25tsf0To76532c=OSin=TanSinTan27.2°30.90__----Lc--cosf1'3a=0a....'"+'2-...IbIIb--IN*******TESTNO.BLOCKNO.LOCA-LLPLMOISTUREDRYiicH0",_<7"3)maxEfTIONCONTENTDENSITY(%)(pcf)(tsf)(tsf)(%)(deg)(pst)UOS-!719.I8904'"0J.OI8.00@UDS-17SOUTHNPliP18.591.43.02.037.0030.9'0DAM@UDS-1716.790.46.02.9615.00UDS-18I!LO95.71.5I*11.45@UDS-18SOUTH68ijij23.79ij.23.02.999.5330.0580DAMUOS-1822.3100.06.03.2023.40SOUTHCAROLINAELECTRIC&GASCO.VIRGilC.SUMMERNUCLEARSTATIONIsotropicallyConsolidated.UndrainedTriaxialCompressionTestsOnBlockSamples(Sheet4of7)Figure2.5*1531-'IL."""......__---.:..:2=.:..:=-=:=--:..:.::.--__----.J

• • • • • • • 3.........2C')IbIIb-.....-INSin,=TanSinfj=Tan28.7,=33.2icos1:=0TESTNO.BLOCKNO.LOCA-LLPLMOISTUREDRY1(-EfTIONCONTENTDENSITY"2CT,_CT3)maxC(%)(pef)(tsf)(tsf)(%)(deg)(psf)@UDS-1922.086.91.000.7112.00@UDS-19NORTH5222.093.33.00I.6210.0033.2°DAM@UDS-1922.287.26.003.II15.00-----------------------------,SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONIsotropicallyConsolidated.UndrainedTriaxialCompressionTestsOnBlockSamples(Sheet5of7)Figure2.5-153
• Sin=Tan6tSin=Tan25.2°=28°C=---!...cosJc=225psf53H0',+0'"3),tsf2c=cosfc=ij60psfSinJ=Tan0(.SinTan27.2°iP=31°32.-Ib('O)IIb--La=0.20tsf0To2.01.61.2Hcrl+003),tsf.8.ij*1.2*.....,+'.8-Ib('O)IIb-......-IN.Il.-La=0.10tsfTO0***TESTNO.BLOCKNO.LOCA-LLPLMOISTUREDRYO'"cH0"1_0"3)max*fCTIONCONTENTDENSITY(%)(pcf)(tsf)(tsf)(%)(deg)(psf)--@UDS-3119.I98.80.25.11977.57@UDS-31NORTH54III18.998.70.50.96013.3028225DAM@UDS-3119.297.71.00I.18315.88@UDS-3720.293.30.751.22lij.52@UDS-37NORTHNPNP21.292.71.501.30II.11031'J60DAMUDS-37i19.998.23.002.56IlJ.B5i*SOUTHCAROLINAelECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONIsotropicallyConsolidated,UndrainedTriaxialCompressionTestsOnBlockSamples(Sheet6of7)Figure2.5-153
  • Sin,=TanSin'=TanJ=---Le-eos.='lOOpsf3..........-2Ibe"),Ib--IN-l...-a=00lL!f-0+0-.....Hc71+0=3)'tsf***TESTNO.BLOCKNO.LOCA-LLPLMOISTUREDRYCTcHcT1-eT3)maxEfCTIOHCONTENTDEHSITY(tsf)(tsf)(%)(deg)(psf)(%)(pef)17.697.80.3711.10HORTH3699.00.75I.3216.51DAM18.8100.5I.501.6713.86**SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONIsotropicallyConsolidated,UndrainedTriaxialCompressionTestsOnBlockSamples(Sheet7of7)Figure2.5-153 5HOJ+c3j).tsfSin=TanSinTan27.3°=3i.Oo!f'=C=520psf3...2III....I1\;)--'N..L.I::.0.15tsfTO°23567*Sin=Tan01.Sin=Tan28°*f=32.13eosf'=350....'"....*2Ib""Ib-1N****TESTNO.BLOCKNO.LOCA-LLPLMOISTUREDRYC1CHOJ-(3)max*fCTIOIICONTENTDENSITY(tsf)(tsf)(%)(deg)(pst)(%)(pef)0UDS-2/2ij.693.80.751.35Iij.ijOCDUDS-21TESTij9ijl25.692.51.50l.ij7lij.6832.I350FILLCDUDS-2125.292.83.002.6513.50UD5-2223.ij93.70.751.6316.29UDS-22TESTijij3923.793.ij1.501.5\9.0ij31520FILLUD5-2223.ij92.53.002.399.59SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONCIUTestsonBlockSamplesatHighMoistureContentFigure2.5-153a SAMPLENO.¢c*(deg)(tsf)FSARDESIGN200.8ENVELOPEPSARDESIGN00.8*ENVELOPEUDS-519l.lI-UDS-821.51.0UDS-1320I.I*UDS-15221.5UDS-2l1-211.0UDS-30350.6378**-.....6In+'-enenLIJa::ena::-<LIJ::cen2DESIGNENVELOPE16126810TOTALNORMALSTRESS,(tsf)2O-+------r-----.-------.----------r------r-------.------.-----..-----o**SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONSummaryofUnconsolidated-UndrainedTriaxialCompressionTestsonBlockSamplesFigure2.5-154 6000SummaryofIsotopicallyConsolidated,UndrainedTriaxialCompressionTestsonBlockSamplesSOUTHCAROLINAelECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATION5000SAMPLENO.ifC(deg)(psf)FSARDESIGN28.0300ENVELOPEPSARDESIGNIENVELOPE29.0160UDS-I19.71380UDS-327.8900UDS-A27.0650UDS-929.8576UDS-II31.0250UDS-1225.6600UDS-1730.90UDS-1830.0530UDS-!933.20UDS-3128.0230UDS-3731.0460UDS-4426.0400lj.QOO3000EFFECTIVENORMALSTRESS,(psf)PSARDESIGNENVELOPE2000100025003000-2000"t-Il)C.enenUJ*l-1500enFSARDESIGNENVELOPEoCtUJ::z:en******Figure2.5-155

.,."S.-..:.J;,......A....v.500*3000*"..2500..:t......SAMPLENO.q;C(deg)(pst)2000-FSARDESIGN'+-ENVELOPE28.030CenQ.-PSARDESIGN29.0*(I)ENVELOPE160(I)ENVELOPEUJeo::1500UDS-2132.0350I-(I)eo::UDS-2231.7350<<ENVELOPEUJ%:(I)1000**SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONSummaryofCIUTestsonBlockSamplesatHighMoistureContent60005000lJOOO3000EFFECTIVESTRESS.(psf)20001000o*Figure2.S-155a iFigure2.5-156SummaryOfConsolidationTestResults*NorthDam(Sheet1of4)SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUClEARSTATIONHSamplecutverticallytheblock.(1)V=Samplecuthorizontallythroughtheblock.lPUISTICINITIALCURVEBLOCKSAMPLEELEVAliONINITIALDRYINITIALL.MiILIMITVOIDNUMBERNUMBERDENSITY(pef)M/C%%.%RATIOCDUDS-5V33893.327.059460.890UDS-8V342110.322.il411120.887G)UDS-12V33089.325.259450.930@UDS-12H3)082.725.2I594':>1.085UDS-15V348gz.722.1I.110.828j:IUDS-15H34E93.521.6I0,7410.324I(j)UDS-19V34422.4')214')0.76ClUDS-19H34497.122.252450.782@UDS-31V3ill95.121.6j54410.771300,1*!**.l.!II...............-..+---._-...................__._---+--.__.,.-.jt,I1***_*_*********II10010PRESSUREINTONSPERSQ.FT........_...-."j..,1*L1.0..<...*i***---....t*,...1-...__...........*.....__-+_.....1"".t".f.....__..:LYtlJ...'j:******1'litlt-1tt....r'-.-+--i-.1"'i..!.-...-...r........,.-..........-'jJi******"I..1fi1.**.*.'..,....,*i;11i!;....*-_._--'----_...*..----_.*._.'..'..I'!.-.-.'.0.1?o4121416**6z......*0::8-....*t-V)t-......Z::J10****

-r-:f---i,--l>Qz....*<<ac:l-V>I-....Z:::>***140.11.010PRESSUREINTONSPERsa.FT.-I-+...--..._i-,,i-.--I100;.----300LIQUIDPLASTICINITIALCURVEBLOCKSAMPLEELEVATIONINITIALDRYINITIALLIMITLlMITVOIDNUMBER(1)DENSITY(pef)MIC%%%RATIOCDUDS-IlV36591.121.861180.901UDS-13V37585.717.766491.025CDUDS-13H37589.717.160490.993CDUDS-17V39193.518.7NPNP0.822UDS-17H39196.319.1NPNP0.769UDS-20V40785.824.760320.967(j)UDS-24V42291.224.4NPNP0.849(1)V=Samplecuthorizontallythroughtheblockwithloadsappliedvertically.H=Samplecutverticallythroughtheblockwithloadsappliedhorizontally.SOUTHCAROLINAElECTRIC&GASCO.IVIRGilC.SUMMERNUCLEARSTATIONISummaryOfConsolidationTestResults-SouthDam(Sheet2of4)IFigure2.5-156 iFigure2.5-1S6Amendment0August1984SummaryOfConsolidationTestResults*EastDam(Sheet3of4)SOUTHCAROLINAelECTRIC&GASCO.VIRGllC.SUMMERNUCLEARSTATION'CURVELIQUIDPLASTI'CINITIALBLOCKSAMPLEELEVATIONJNITIALDRYINITIAlLIMITLnilTvowI1Ut-'BERNUli3ERDENSITY(pc£)M/CRf,;;0CDUDS-48v43194.026.455<180.818300100,,-,.Ii....10PRESSUREINTONSPERSQ.FT.1.00.1).I)u"'7'\.,<.I..,I**

-"".-4<..".......*.-:IFigure2.5-156SOUTHCAROLINAelECTRIC&GASCO.IVIRGILC.SUMMERNUClEARSTATIONSummaryOfConsolidationITestResults-WestEmbankmentI(Sheet4of4)IILIQUIDPLASTICINITIALCURVEBLOCKSAMPLEELEVATIONINITIALDRYINITIALLI"1ITLIMITVOIDNUMBERNUMBERDENSITY(pet)M/C,.%RATIO'""CDUDS-AV38523.4NPNP0.797UDS-1V36987.629.560380.882_._-<DUDS-2V38389.922.243330.863CDUDS-3V38496.423.242340.729..UDS-3H38497.824.145350.704UDS-4V39093.620.341370.733(j)UDS-7V40086.024.759340.958UDS-7H400.82.223.651351.056UDS-9V42197.324.369430.843@UDS-36V41689.923.3NPNP0.895@UDS-36H41689.222.6NPNP0.905300..;....!..t*************..*.......j.----**I******************.100:.;,.---j+..1,..j\:--..-;---r-,_.t-*__-i-_.1**l**t,.\.--1II.i..I__l******.....-..........[l,....i**!.[..............L-....-i-iLJ..1+..IiI.,jl..".**.*.*.*.1-'+....:.:fi..+.1----_-.!.l*********:**..t....j..f'+'4'.__._..._---.:......1---'---1,_.__--,...*.:*-!I--+;_"l-+-+.-!.-.*:;....i1,-_J!.***f*.......*i**.*....,T'.10PRESSUREINTONSPERSQ.FT.!;-...*r!J1......!....,..j;.I-t.-..'1!..iI!!.;,1.0._.__-6-_.............i-t.----.+-1-++.......................j--,.--t-_****+*:**_*f---,._-********i*************f-***-6842a10...z:......*c:r:l-V'>I-......z::::>.12*14.-*16**0.1 100.010.0SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATION1.0CONSOLIDATIONPRESSURE,(tsf)5.011110.00.001.o.I*-1.0&DI0*)(0.5uII)en-eu-I--oJcaCO.IUJ%a::UJLL.0*I-ZUJ-(,)LL.LL.UJ0(,)-oJ0.01c(,)I-a::UJ>***.'VerticalPermeabilityTestResultsonBlockSamplesFigure2.5-157 100.01.0-10.0CONSOLIDATIONPRESSURE,(tsf)O.I***-LDI0*)((,)Q)In-e(,)->-I-...CDCI.IJ:::ECII:I.IJA.0l-*z:I.IJCo)-I.IJ0Co)...CI-z:00.01NCII:0=0.00**SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONHorizontalPermeabilityTestResultsonBlockSamplesFigure2.5-158

• • • • .'**MECHANICALANALYSISIGRASANOtOI8l.UCoall$(,'Nl(OallSE"(OlU"'IN£SlloTORCloAYl!.t-U.S,STANDARDSI[VtSIZENO.UIt"1101011.c....,."IC.'1DII...'._tOO*'04()ZOO,-...,toI"'-r-:::..I"-...%I......IcASTMD422-63w,........*'0",...--_...II:WithoutDispersionAgent...z";;:Ir,-.........z,,I...UIII<...f1A-t....10,.,,I,--oJ,110010<10011GRAINSIZEINMIl.LIMETERSSanp1eElev.CoordinatesM:LLPLNorthEasttn;-12330.0473,2581,905,841PercentDispersion=..f;=0%25.25945GRAVSANDCOISl.ESccallSE"H[coaRS[MrOIUIl'[SIl.TOR'l.A"U.S.STAIIIOAROSIEvESIZENO._I..(DlOll.t","'II.'C."O_l"lfl.,If'"4,zoo,IoL.iH+t*--.....Ii,.-I"'l:.....1:1to,.-...;;::t+-;-...,,,.........'.::.......ASTM5.cI....-63,'-WiI--1:'-'-*,'--w-I..'..tP.J.;lIll-,,.,!....,'l:It',,WithoutDispersionAgent...z'---........'Ii,,-,_....f....ZI.:...30...,,+.III:-t,fI'.,,II:+-I--.--10,,0II10'010001GRAIIIISIZEINMIl.l.II.CTERSsarrp1eElev.-CoordinatesrocLLPLNorthEasttItS-15348.0473,0311,905,852PercentDispersion=....Q.=0%21.1574147SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONTypicalSoilConservationServiceDispersionTestResultsonBlockSamplesFigure2.5-159
        • • • ...Vl'"o..QE"Vl:l..J:lQo::Ea:et...:rVl101------+-------+------+-----RElATIONSUSEDG=7600"0PSFG=35,000(j"iPSFoCYCLICTORSIONTESTDATAQBLOCKSAMPLEUDS-ADBLOCKSAMPLEUDS-7*BLOCKSAMPLEUDS-8ABLOCKSAMPLEUDS-9<>BLOCKSAMPLEUDS-Il+BLOCKSAMPLEUDS-13XBLOCKSAMPLEoBLOCKSAMPLEUDS-26*BLOCKSAMPLEUDS-28ICONSOLIDATIONPRESSURE-PSFSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONShearModulusValuesatVeryLowStrainLevelsforBlockSamplesFigure2.5*160
• 10-I10-210-310-.....---"",.-"/'//'II..USEDINANAl.YSESI...'!CYCl.lCTORSIONTESTDATA../.:/'.7'.l?:....it!:'5."...........-..:....................._.:--..:...0-4LO1015252030*...z..,ua::..,,2...Cla::c:>!ClQ**SHEARSTRAIN*PERCENT**SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATION*VariationofDampingValuesasaFunctionofStrainforBlockSamplesFigure2.S-160a

...Q)600Q).:z0-*....oct500:>LL.I...ILL.I****8007001100300,ACTOI'CASESLOPEPHREATICyR0'LINEXSAFETyI.ENDOFCONSTRUCTIONSWP--275.0725.01116.02.11582.SUBMERGEDSWPA325.0850.01.02.1893.SUDDENDRAWDOWNMRA-350.0850.0I.200STEADYSEEPAGEMRB-300.0775.01166.02.092S.REVERSESEEPAGESWPC-325.0675.0366.01.351MATERIALCu¢UC¢-(pet)(psf)(deg)(pst)(deg)IEMBANKMENT119160020300281RonTOE135035035-.,ri.,UMPO,h,I\Ul.K138300000.38.5DISTANCEFROM*CENTERLINE.FEET**-600-500-1100-300-200-100o100200300awo500SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONStaticStabilityAnalysisNorthDamFigure2.5-161 StaticStabilityAnalysisSouthDamSOUTHCAROLINAElECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATION350MATERIALCu<PuIi(pef)(psf)(deg)(psf)(ceg)IEMBANKMENT11916002030028CDROCKTOE13503503<13'DECOMPOSED/INTACTROCK1383000030025020015010050..LLORESERVlORo-50DISTANCEFROMCENTERLINE.FEET-100-150-200-250550CASESLOPEPHREATICFACTORyROFLINESAFETYI.ENDOFCONSTRUCTIONSWP-200.0650.0310.02.8122.SUBMERGEDSWPA-225.0700.0360.02.2803.SUDDENDRAWDOWNMRA225.0700.0360.01.9113II.STEADYSEEPAGEMRB225.0700.0360.02.11125.REVERSESEEPAGESWPC-225.0625.0285.01.1181650600+'500(I)(I)LL:z0-l-e(4-50>L&J-'L&JSERVICEWATERPOMD4-00CD350CD300I,II..........................._............_......__.....................L......-...--'I LEGEND:_____________-=::::===::::::=-EI.360;Cpsf;=C=3000pstVERYDENSEDEC.ROCKROCKRIP-RAPEXISTINGGROUNDSURFACEPROPOSEDCUTTOFINISHEDGRADE1135.0STIFFRESIDUALCLAY;:;C"800psfS1IFFCOLLUVIUMDENSESAPROLITE-----------C_-----_EI.385@FS*2.311SuddenDrawdownEI"JEI.1I25.{ImaxTIEI.1I18.0minFinGrEIEI1125HOTE:FS*1.22forSSECONDITION(0.15g)3'>0400.:z:o<tW-'W300*COMPUTEDBYWEDGEANALYSIS,DRAWDOWHEI.CONTROLLEDBYBOTTOMOFDISCHARGECANALSOUTHCAROLINAElECTRIC&GASCO.VIRGilC.SUMMERNUClEARSTATIONStabilityAnalysisNaturalSlopeNearSouthDamAbutmentFigure2.5-163

• • • • • • • "An,_'f,I.4'04')',0-......400400..0*----OIlIGlfjALGIlOUfjO0-..350.....SCALEJ...It*'I'LilA"'000100Ft.)00PROFILEACROSSVALLEYj()OODD,SERI/IC(W&TE"POND.*.._-,-')0f*.tJ.)!,.IZf:f.......---100------,..--7.111'DP'SIO[(O..POSIO1I0eoACTUALDfPT..O'UI'lDfRCJIT'G-....,---'"_..-200.IIfSfll\l'OIl'I'lTACT1I0C.fI'lCOU'HERfD)(WeaI/AlION______----<---000--)00"'[4000-........0-........J'00...l",lJOISfAfjCE.110..CINTERL.NfO'OAt.'(('SECTION--AAMA.'MUMSECTION(STATION9'!lOI.__._---._--_.._-------_._---------------------SOUTHCAROLINAElECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONProfileAcrossValleyandMaximumSectionAnalyzedforSeizmicStability-NorthDamFigure2.5-164

............,400z...'"".....-I...350ft8"l_----=::::::=:-----I*SCALEt....*,o100ft.I400350"8ftPROfiLEACROSSVALLEY450400300350-300.250.200SERVICEWATERPOPID1503::::::::::ll""'00SECTIONISTATIOPI'.'0:1t.4AXIMUMElE\f435=-tlB-BANDvERY,""SFCTACTUAL--------.COllUVIAlSOILS_.-_.___rORIGIPIALGROUPID--..,.---------------------------DISTANCEFROMCENTERLlPIEOFDAM,FEET--+--------,---+--------+-----_._----+----+---_.200-150100-50°-50RESERVIORDENSESAPROLITE450..w'"400IZ0.."350>w-"I250<VI"tl-0....AlC0m-r-::I:"mVI::!o>>....0"VI:;oOJ:l...Co-nIii"S:r-=:"::l'"S:zC-t<...m>>m<OJtvVlN=:;OmommZr-VIc0.'<em,........-..OJnQCTI::TO:lVI0"'0.r-Alm_OJVIs:>>(')3:;0(20NOJ3,,'3>>>>c-IVI3onz9 J.O..2.0...C...Z..c......-"...1.0ACCELERATIONRESPONSESPECTRUMSPECTRALDAMPING*10%oo.oa0.1PERIOD--SECONDS1.011.0*,..Arll,rNI1lIAIIwi\flroijYiIIII,I..Vvv---VAPPLIEDBASEROCKACCELERATIOHS...o...o10.001*003.004.00s.oo6.007.008.0010.0011.00MESEconDSSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONTimeHistoryandResponseSpectrumforAppliedBaseRockMotionigu

• -J**eoo--*II.-*,',-lOll*,,..Il1OI,.100*.'**--..,--...,.,,,JOO..,.00)"1ICe,...ClU'IIL'.O'....*nitSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTAnONFiniteElementRepresentation*MaximumSectionNorthDamFigure2.5-161
  • • • -llOO**!t-100oJ'1IlO1111""rill.CU*III...or...*flU*,.llOO*uoClO380:MO;MO3110II.3000400*SOUTHCAROLINAelECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONFiniteElementRepresentation-MaximumSectionSouthDamFigure2.5-168
        • • • .H(AIIlUlU*'IFBOOlOGSHlAll"RESS*",----t3116'1----4----+H39580'"IQIIDUl-3'75371135-l--.......l:l...BOOSHUll"REn*'I'200tt30'37'SI----...-.---4-----+_m-SIlETCH197"\-1\-co\INORTHDUtMAXIIIUIInCT10111)1-----\1o433333J.....ww..........w.......!....U..!.!.SHlARSTRESSISTHEEQUIVALENtUIII(O'"HORIlONtALSHlARstRESSD(VlLOPUIN20CYCLESDUllllIGGROUIID1I0tlOIl$*SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONShearStressVariationAlongCenterlineDuringSSEFigure2.5-169 1000,--------------------------r-------------------------,IuulnAlOe'tAli(ATU.3254002001-----7't::--Q800-/a.o'.-600I----------",<>z,,:>1:'-"0"..:>-0"''...'id.....-/u"'"o"'--L-L.+-..Jl.J-400-350.300-250___---+---+I,---_+__*200-lbQ-100-50DISUIIC(rill.--+---1------....----->------'.----+'_I-o+60+100+100-200-250-300C(IIU"-III(*rurI4253763.....-(L.380*400"o:37blI1..3253?.5L...c:::----,-L-----..::::::..J325t;;425......SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUClEARSTATIONShearStressesDevelopedAlongTypicalHorizontalPlanesDuringSSEMaximumSectionAnalyzed-NorthDamfigure2.5-110

-NOI!VA313!33,:JSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONShearStressesDevelopedAlongTypicalHorizontalPlanesDuringSSE*MaximumSectionAnalyzedSouthDamI§,.aIo(JSd)$NOI!OftoeIIIG]dOl]A]GWY]H$!N]1'fAlnfl3*lQlQCIlr--S*M(')CIl*lQr--*(')....-Ja1M*..C1M*zC-JA....*CI*Z0-JCfit1M8fit'"II!*....ell....I1M"IlQr--*l")...zoJIf!........z0...U:II*...I<.JZC.....-Q§I***figure2.5*171 onon8'".......l")..,**oft00..,'"***...51...**8...*.........2*...!<<...:II.,:')----v-*i...Sl...UI:IIC......0*8...,Sl..I*Slt\lI*§0I§\I)It)SlCII,....l")l")US,,)POIJ.OII'llnaat.L3JJ-NOI!nnJ'"C1J"O'3AJGS$lY!S11'3"$*SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONShearStressesDevelopedAlongTypicalHorizontalPlanesDuringSSE-80FootHighDam*Figure2.5*172 '"*§*§*....*Sl*to>.........:II*...IIIIi...'"...0"__*:..*Sl****i.1I§(JSd)SNOI!OIIQNn/lllllIlInQoc:NIQloIO'lUGSUII1SIIYlN$!NnYAlnlllo§*SOUTHCAROLINAELECTRIC&GASCO.VIRGILCSUMMERNUCLEARSTATiONShearStressesDevelopedAlongTypicalHorizontalPlanesDuringSSE*50FootHighDamFigure2.5*173 It.lIN+s,.....a0........133.:1-NOl1'l'A313.....It.lN...,uzc..'"QIt.....0:;---'u,§+It,)N....,o(JSd)SNOIIONS31OAOoe1\11Q3d013AlQSS31HSIIV3HSII'YOJINnIN31VAlnll3SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONShearStressesDevelopedAlongTypicalHorizontalPlanesDuringSSE*30FootHighDamFigure2.5-174'--------------------_..- ./'-......r--....",.""IX-pOllIO&1110ItISr.YOUtrM.T"-----,......"\:I.....\IWAT.O'TELEv425'0'000,000lSEova'.,./\'--V"\.--/"',,---/"--"..--r--",II//X-.0010"0ltI:urOiO......//",'",-://'."V""--"./"......'"V/"'""UU'<<"ATELI'¥'415.NPOllIO'0"IKttVO'A,IIAl.O...HOIIIlOIiTAI.Pl..lll(AtEL.340II**........*f:2......f.....cI0z.....CO..........*..............If.....cc...%.....:...**12000o-2llO1200100o8CO.200*200*150.1.50-60-100-50DISTUCEFROIloo.50CENTE"-IM£-.100.100FEn.150.200.200*SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONTypicalStaticStressesforNormalOperatingConditionandforPondandReservoirEmpty*MaximumSectionAnalyzed.NorthDamFigure2.5-175. 6000...'""-6000:>VIVI"-4000-'-<0z3000-------f------{.350+300-100+50o-100-150-200-250-300o"'--_--'-__.l-_--'-__.l-_--'-__.l-_--'-__!--1__L..-1.l-1__!--1_-J-__L.-_--l-350DISTANCEfllOlICEHTEI\.IHE*rUTSOUTHCAROLINAElECTRIC&GASCO.VIRGilC.SUMMERNUClEARSTATIONTypicalStaticStressesfromNormalOperatingConditionsandforWateratElev.425.0inPondwithReservoirMax.SectionAnalyzed,NorthDamFigure2.5-116 8000.,..IIIIII0T£,,HOIUiOHULP\.AN£AT£L.37:>-........//0,,/.............I2000o6000-...............'f:2'"'"Co..4000ioz..-***.........1.500*VIVIll!...II:c...ZVI20001000ojSTPE.SSIl[QUIAUTOCAUSE5'STRAINIII20CYCLES..-I-----...-/-....."".............--..--.,-/I'-...............---.....--,..'-..............STIl[SSII(V[LOP£DDUAIICGiGII)UNDIIOTIONSIII20CYCLES,III\\./r-----r---.-I"--.-------(,..,T""..iFSAFETYATX.0iISOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONFailurePotentialAlongTypicalHorizontalPlane*MaximumSectionAnalyzed*SouthDam***--......c'"...ocouc...4321o-250-200-150-100-50050DISTUCE,X,rllOl!C£NT£I\.IN£OfDAII-f£ET100Figure2.5-177

• • • • • • • HfECTIVENORMALPRESSURE-PSfCYCLICSHEARSTRESS-PSffACTOROfSAfETY.'\\\\321/I.-UIt>IMUMfAl.IOROfSAHTYATAPPROXIMATELY[L.37S/\\\STRESSREQUIREDTOCAUSE5.STRAININ\20CYCLESSTR£SSDEVELOPEDDURING_GIl>UNDMOTIONSIN20CYCLES800006001000150020000KIiiI600040002000olJS355415............,z395...c>.....J...375s:<VIDl-n-03".....i=::I:c....3IIIIIISCo"T1S:rto*_.:JS:zoC:JDlml>....l>;IIIIV:J_ZrU,Dl0em-:JnQ.-"r;ll:ll.....IIInm_OOQ.1lll>n*:JVI..oIIIVI"C....r+=:;T:J-tVloIIIonDl*z93
            • 3'ACTOR0'SA'ETY12-""/(IIIINIIIUIirACTOROF'SAFETYATL/EL.376'*.,.--STRESSIl£I4U/R£DTO,CAUSESTRllNINroCYCLESCYCLICSH[ARSTRESS*PS,STRESSDEVELOPED\\DURINGCROUND1I0TlONSIN20CYCLES\\\EHEeTIV[NORMALPRESSURE*PSF200040006000800005001000UiOO20000'\\i\'\\1\\315355395415355U.e:>......J......oJoJ...Ig375SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONFailurePotentialAlongCenterlineMaximumSectionAnalyzed.NorthDamFigure2.5-179
            • IIIEFfECTIVENORIIALPRESSUfl1-PSFCYCLICSHUIISTIIU$-PHFACTOROFSAFETY\-\r\\\\321/"!uINIuuurA(1LHOFSAfETYATAPPROxIlIATELvI--El.380\20000l5001000STRESSfl1QUIfl1DTO5.STAAININ\20CYCLESSTRESSDEVELOPEDDURINGMOTIONSIN20CYCLES8000.0600040002000355°135415............,z395a-...-e,.......J...375SOUTHCAROLINAELECTRIC&GASCO.VIRGilC.SUMMERNUClEARSTATIONFailurePotentialAlongCenterlineUsingUpperBoundonProbableModulusValues-MaximumSectionAnalyzed.SouthDamFigure
            • [(FECTIVlNOAIIALPRESSURE-PSFCYCLICSHEAR$,,1:$$-PHFACTOROFSAFETY1------\\1\\1\IISTRESSREQUIREDTO/CAUSE5.STRAININ\20CYCLES\\\r\\\\mm\\DEV(LOPEDDURINGGAOlJt.D,\1I0TIONSIN\CYCLES\\\/17IIIINIIIUIIHLTOROFSAFETVHAPPROXEL\'El.o135415..............z3950-...>.....J...375200040006000800005001000l50020000123SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUClEARSTATIONFailurePotentialAlongCenterlineUsinglowerBoundoriProbableModulusValues*MaximumSectionAnalyzed,SouthDamFigure2.5-181
  • 410w.Iw.I*z4000cC>1.61w.I390////'.//'UPPERBOUNDONI//',/PROBABLEMODULUS/VALUES-1//'If//I/II,Iy--LOIERBOUNDONJPROBABLEMODULUSiIVALUESIIII-PROBABLEMODULUSVALUESIIIil\,\\,,\\\.\\i\SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONEffectsofVariationinModulusValuesonFailurePotential-MaximumSectionAnalyzed.SouthDam3.02.5FACTORorSAFETY1.01.52.00.5o440420430380370360*****Figure2.5-182 HHCTIVlNOIUIALPAESSUAE-PHCYCliCSHEARSTRESS-PHfACTORorSAfETY\\\\/!(Y'NillUIIHerORorSAFETYATAPPRQ)('YHELYH.375,32120000STRESSAEQUIR£I)TOCAUSESTRAININ\20CYCLESSTRESSDEVELOPE0DURING____GROUhDIIOTIONSIN20CYCLES80000600040002000355o435415....wwu..z395a-....<t;".W-Jw375SOUTHCAROLINAElECTRIC&GASCO.VIRGilC.SUMMERNUClEARSTATIONFailurePotentialAlongCenterlineUsinglowerBoundonDampingValuesMaximumSectionAnalyzed,SouthDamFigure2.5-183 3.02.5OFSAFETY1.52.0FACTOR1.00.5//'LOWERBOUNDONV'PROBABLEDAMPINGIUlUES-."ifIf+PPlJBABLEDAMPINGVALUES,I,,II,IiI1tt\\420430o440410370360380z4000l-e>w..l..Jw..l390SOUTHCAROLINAELECTRIC&GASCO.VIRGilCoSUMMERNUCLEARSTATIONEffectsofVariationinDampingValuesonFailurePotential*MaximumSectionAnalyzed,SouthDamFigure 410...wwz4000...<*>W...Jw390IIS-MAX-IIIS-MAX-I"}'///V/.'I:IfP:/I:J:/I'II;,fJI,FACTOROFSAFETY*****o4404304203803703600.5'1.0,1.52.02.53.0*SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONEffectsofVariationinModulusValuesoftheFoundationStrataonFailurePotential-MaximumSectionAnalyzed,SouthDamFigure2.5-185
• 3.02.52.01.5rACTORorSAFETY1.00.5I_-1-N-MAX-l/l--.1------o-r-----1-------_c-._____--I\,380360400420o440340320.-W\oJl4.*Z0.-<>W..JW****300*SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTAT/ONEffectsofVariationinModulusValuesoftheWeatheredRockonFailurePotentialMaximumSectionAnalyzed.NorthDamFigure2.5-186 IHORIZONTALDRA!IIISJu1HDAMIHOTE:INSECTION2.5.6.6.3.USE:------CLAYFOUNDATIONUPPERZONEhdFOUNDATIONLOWERZONENORTHDAMNOTE:INSECTION2.5.6.6.3.USE:'--------ROCKTOE-_J..HORIZONTAL****I)handdwithEq(I)forseepagethroughembankmentabovedrain2)h,TiandblwithEq(2)forseepagethroughembankmentbelowdrain3)h2'T2andb2\-4ithEq(2)forseepagethroughfoundationupperzoneh2'T3andb2withEqforseepagethroughfoundationlowerzoneI)handdwithEq(I)forseepagethroughembankmentabovedrain2)h,TIandb,withEq(2)forseepagethroughembankmentbelowdrain3)h,d2,LIandL2withEq(5)forseepagethroughfoundationupperzoneprotectedwithclayblanketh.T3andb2withEqforseepagethroughfoundationlowerzoneSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONSchematicDefinitionofGeometricalParametersUsedinSeepageAnalysisFigure2.5-187..II9iI-,
  • • • • 1.20.9....o0.6...:-....0.3_<J--10'--l-----------1K1=3x10-5an/secK2=IxIcr2am/secl=DJ'H=SO'Ah=lossinPondleveld-5'O.UL-.-l-__J-..--J"-----I.--..I..._**o1015'2030Feel50SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONEstmatedlossinPondLevelDuetoHighPermeabilityFoundationZoneFigure2.5*188 SCALEINFEET*****-----_..._------8'1--'*0--;:;\Io'e200'--400'600',**SOUTHCAROUNAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONLocationsofSeepsandSpringsFigure2.5*189
    • '*-,3:-***(cb5e?./71Osl.COm1710/JC,aseor/owere-/evor.*-.SOUTHCAROVIRGILC.&GASCONUCLEARSTATION'SeepageatBenchCuts___2.5-190
• GroutCurtainPlanandProfile*.Ii)fPHtOf;Lf",.,ATwill8£'tilSA,f0-.,"'!'Oi'!...;"_ERrfNSH)OF'APP..'j.Nt,"*ROCKMATlPIAl.iHf*Iff:vft.,*,i"iTHEABUTMEJlP..BECAU')£OffHf"Ot.6;)'1APHtHChiI£VfA.BfTWEEN';'4ON'.'(A..:.:r*w..*AHtlfflD'EtOPflAfNtto""I'A.,Ai!..'..BOTTOMOfTHEuROUTPtPE:C4(.11!.,IA80N!,j;"_r..£M8AMkMfIlTANDCURU".!HfOI'IN'....;.I'Nf,.,_,,$DETERM:IfEOBYUt(tNUINlr;,*.,tU':a,.A..."liN'."fOUNDAllONBEGAR,IN!:RAM',!'ON'"0""'C-'e.",ROCKSURfACEWAS"ft.:F119*:"!:'liDOOCUNEIIT£DO.!)A!'";>flQ'SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTAliONlli£D;.BROWRFIRETOMEDIUMs"nSAND*"LUV'UlIIREDDIS"BRO.TOIROWl'S"GRAYSANOV,,1'!1(RESIDUUM)GRAOlllG_AROTOSAPROLlnBRDWRIS"GRAYMICAeEOUSe,Hr':"3!lSi,I**-,'@TARIGRAYFRIABLEROC'.E"DElS!'.'GREATERTHA.1008l0'li'$.".r3E.fltl,.*"F"CORERECOVERY,TAIlTOGRAY"IG"LYwEAT"ERED,PAR',AllYDECOMPOSE:CLOSElYJOIRTED,cO.CORERECOV!.'BEDROU,GU.:..ODIORITE!GRADESUPWARDTODECOMPOSEDROCkUOOOWllWAROTOMODERATELYWEA'"EREDTOFRESHROeA.0GRAYMODERATELYWEAT"FREDAor,16'.'n'6"',.""faTHEREDTO"'.","lIS51eMIGMj':.L'20J80Jlj(l.0300c>ww2"0220180STA0+00-,R'73,'90.8:\E1,906.610.2\\-------------4SERVICEWATER_,PONDtS",...'!r'f*010'ijliI!A11l.,..-01iH,lR;fltuEOOO/,/PLAN-NORTH-----------'CEIITERl'MEC"'UII.'roocIIIIIIII-----..15+0'\STl16+77.7RE1.905.062.9PROFILECLJRTAl1':lSECTIONA-A.16+00-__(!)1<0_1---------------1----------------------------------3000c>260220180******Figure2.5-191
• 'tlCllU*oS!01Cll:c:I"):-SECONDARYMONITORINGGAGEK=0.0108fHIILogeK=Permeability(em/sec)Q:Inflowrate(GPM)L:LengthofTestSectionlit)H;PressureHead(It)PERMEABILITYCOMPUTATIONWATERSOURCEQAIRRELIEFVALVEPRIMARYMONITORINGGAGE"".2'1,"DIAM.STEELPIPE".".."-,...*r:ReoiusofHole(tt)****-:LIr-ir-NOTTOSCALENOTE:TotalHead.H*H1*H2PROCEDUREUSEDTOPLOTPRESSUREVBFLOWRATEFLOWRATE.OfTime(1min)SCHEMATICofWATERPRESSURETESTINGAPPARATUSSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONWaterPressureTestingApparatusFigure2.5-192
  • B&CEMENT(BaglANDSAND[jMETEREDWATERSUPPLY*MIXINGMOTORANDBLADES****"GROUTMIXER(Wagner#DA32)..MOYNOPROGRES::;IVECAVITYPUMP,Model3L6*2"(6FEEDLINEMOYNOPROGRESSIVECAVITYPUMP.Model3L6/for10SCALE2"0RETURN'LINEcAGITATORMOTORANDBLADESGROUTAGITATOR(Wagner#AH36)ASHCROFTGAGE2"0FEEDLINE2'1]"1.0STEELCASING-"'-"rSTAGEl.VALVES(Typical)IDRILLHOLE.211,'0SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONCirculatingGroutSystemFigure2.5-193

---

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• CRESTOFNORTHDAMELEV4380VFEET*430cD0cDcDYWATERLEVELELEV4250'"N..III'2+.,VI425IIIcD.,..,on.,III..Q.'"...,cDI'-.,VIcDII)..Q.420<D(II...,.III0+.,....,!:;VI*<Don10-'NQ.'e415..10<DonIII10:8.,VI'e1.C..+:IcD..ont-70I410IIIonQ.10III+t-1.0I'-on10<D..II)onVI10in+10405cDont-(II..Q..+onon0t-10J40010I707_(;",;i;51**J56...I4.25*!,4-'I165390;z:I975B4..II:I..0385*$+425IiII4.25I,380III00r,375IItLILoi92I1500B1"0IIiI1..I"01-.0I1,,0Le,.'03601.."'"**0Lo......)10L1.$10r355*Lo"0**SCALE,'"FEEJ5.---SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONProfileOfGroutCurtain(Sheet2of9)Figure2.5-194,I 400395390LEVFEET385375380365370360345355350220340330IIol'C+<D!---/il';,.0-,'".2LI+Iza:CCXlUl+<D2.e(Sheet3of9)70<DN+<D0..35BFigure2.5-194ProfileOfGroutCurtain7025SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATION*.870**;r,.<Do7061i,<D<D+<D0..-.---SCALE;NFEET70<D.....+<D4TOIILc<DCXl+<D(/)/55B707C<Do+I'-0..IIL+Ii+!4",0*.::>'0uonl53070701.0"07070390857.035ii>,eIII7.C70380<DCXl0..5.0B459440L,25...z1.C*******
• 360350340345325330320355UJ.JFEETc>....0>+....w.Jc>Z<f7.*5458S8SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUClEARSTATION848S880*10'3758468o5SCALEINFEET2.'5.".'NOTE(alDESIGNATIONINDICATESORIGINALHOLEWASABANDONED.THISREPLACEMENTHOLEWASLOCATEDEITHERI':NORTHORSOUTHOFORIGINALHOLEDEPENDINGONEXISTINGFIELDCONDITIONS.EXACTLOCATIONSCANBEFOUNDINTHEDAILYGROUTINGLOGLOCATEDINTHENUCLEARSITEDDCOONTATIONVAULT.CLAYBACKFILLWASREMOVEDPRIORTOEMBANKMENTCONSTRUCTION.,j'40760l.ooo8.28,",047170"5008....05770..770.77017Qno179'1'3.7J41..0""0nonono'.0.13S8'0Iltz;!248ProfileOfGroutCurtain(Sheet4of9)IFigure2.5-194J__******

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---

FEET440CRESTOFNORTHDAMELEv4380435430'"'<D<D<DYWATERLEVELELEV4Z50425<r>II)Ie<D<D<Drt'l<D.++It>V+N<DlDCD+++0'"IecDIt>'"+++CDcDcDon-'"++++oncDI..Cl.t=l/lI-a..r-.,.!+.,.cD420l/lr-!+It>lea..!+r-l/lcDr-a..!+.-cDl-l/l.,.0l-.,.+Cl.*415wl-l/lz.(707.070;\70707070707.07.0TO7.01.0410I1-0..1.01.c>>1-0to70405'"zI:::;I"u400Il-eI>>itIII395'Y'353259935151.545390Ir2.552525325IIz,IIIIII380IItIII375IItoIn,*1,'01,,01,,01,,0370.,"0"0"0>00"0..0365"0"0"0.>0..0360355350***SCALEINFEETSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONProfileOfGroutCurtain(Sheet7of9)Figure2.5-194 ELEVFEET16+68CRESTOfNORTHDAMELEV4380440I16+Ir16+6716+70;'".35z:'1\0cDcD16+i:'Ie:>otl*II:++cDcD016+72,j'i!!"N++IIII/}430;I1eL+0t-(/)N.t-el*!!'t-I.ATpL&y[L425(/)ELEVusoAPPROXIMATELOCATIONOFCIRCULATINGWATER.04201.0INTAKESTRUCTURE101<)7.0r...415Ii410!40540037!1I3954::l0'"'"4390*jI0385*II;:I/IL>t380..0:LaLa'"*"0"000'0..3750..0....370v....365360."*NOTEANGLEHOLES16+67THROUGH16+72,MAXIMUMSPACINGATAOEPTHOf50'8ELOWSURFACEODESNOT[)(eEED10F[ETSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIGN**SCALEINFEETProfileOfGroutCurtain(Sheet8of9)Figure2,S-'94\i Figure2.5-194ProfileofGroutCurtain(Sheet9of9)ECTRIC&GASCO.SOUTHSTATIONVIRGILC.SUMM67011+61No63.067051.567058670600SCALEINFEET10°Iioiiiil"L;:::oo_.'Ii_iiiiil_.51.038.5510ICHLEDTOHIGHTAKESTAGESFORMULATIONOFFCyLEGEND:LINENORTH------12-+01NoCENTERL1NE--r12+16,75-11+91NoI/S12+06,,7570,6...:/I-+81NoOTI:,!75I----t12'OJSO0,,:,.1.200.1.280I1+I,Ii00911.9150i"-,01+:,,,,:m:"00"'8'50:,":-L'---SII+66+,,'",-,,-',,"0'::':'0:::11.7150:",::':':'hIrS"7\65'"":,".J'0-JV'I"",,"',,"'":G[t""t'<5ii:"l::i::ei:e:1/>0:'_____I::I::0:'::f7'f'""0:!::*,00:".:.\.>",V:IIII':IIIIIIIlGIIII****

tBASINPUMPEDDOWN.....October..77._..November..77IH.,',..March.78ReverseSeepageTestingFlowRatesSOUTHCAROLINAElECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATION'**February"78January,_78'loIlontllDecemberl!t77November.77.*October"77...,'."""..".."""".".-."*"...,,...".."'".',..,""".-n****...""""".."......"n",."*"*,'.;-..;.....::-'.:.:-"*."-,:...c'..otfI+-++++-11"j11111id:iii!iii!;!!1i1j.-fii1\jI!I-+-+-l-++-l-f-+-f-f--+-H++++++H-H--I-M'i-iJ.++-+.t+f-H-t-l-t-f-t-Ff+++hf.+l++++TI:+H-HI\:1!:I'I!II!:!!TiTj,:IiIIiIIiIIIIITIIIIfl\!.1]',...,410+'.-J..-1H-+-J..-1f-+-J-1-\.+.+!-.1-+-.++1-+-1-+-1-1+t,1III!I!Iii!1III1II,I1;I,!1*+-HH-++r-j'1iIBASE-LINEDATAPERIOD:!I:,';!I::I.'.FILLINGOFMONTICELLORESERVOIR14DAYREVERSESEEPAGEi:1Iii:r.rIiI,'1,'/I!I,'II;I:I!'I!III!ill,II-.jIII,'IM,ONITORING'TETPERIODji.LJj4001I,II.l'L-I-'i1-1Til'.iI.J!II,IIi,':ii!!:I:iHI-0I+1+1+-1t-,l+1-f,+J-++++-f-H++-H.o4+l+1++++++l+1-+t-+-:-++t+J-I-+4++++-H-+t++H-4I+/-=H4+/-:f4-++++-+-i-H'-+I++++IJ-H1-+tI+U+++-1t-,+-HI+++1iIII,",\'i.'J,i,"::::',!:::::;I,I:".:!:I,1_,"iiiI1,.ot-!t.I,':.T'"t*I,.I,'fultHl1;-*I'i'r1C':;*:."i:,';.I.,.I-VISUALINSPECTIONANDRECORDINGI::iI::::**I':::,::,:ii',',:'*:,i::!i:'1-!IH:++i-H"'l-w++++-i++++-++-+-+-+-+-+-+-t-+-f-Hm++++i++++++++++-+++-+-+-+-+-+-t-+-I::J-t::t:=1i=t.,+t-H++++++++i++1+'+'+-'+-i'+-+-'t-'t-i't-t-+-if-.iH:;;iIIOFWEATHERiONLY,1I'IIT!i!!II'I!I'I'IIII1!II,iI',I,I"I',I,','.,",..',:"',,I,I.,.,".:,,1,I1I;..",::'iI1-1",,;:1,,111:111RillI"leo-!iiit'r.'!i,tiji-'i!i!;!IIi:'i,III!:ttI't"1'I!...:;ill.,I""C--".;....':-"-:iL::,:.i,:,":,:I""""'I,';:.:,JI,I:'(1,'I;,ii.'!i!ii,.i!,,I,I'"370trIijI*tili!jjj:i:';!iiii,Iii!1jIiiII;ijj:i:1ii;i!!!!!i!I!Ii!:!'H'-lH-f+1-++iH.++++-.J--H++++-.J--HI-++-H--H:-:1f-+-+-HHfH-t.,11i.iHHHH-:;fIi'"ii1TI11.I:iii,'jjII!,i,iiill'iIIIIIIIiIIij,:I'IIiiI'I'Iii1'1II'1.,".IIIILt'ii'IiiiI'"411:1i1III,I!:lootil;!:l!-j...I:::1rtrinllHlj::tilliiJ!!'il!+i",[ri:::I:I'!J_jTTTl)i'i!!J..,..II:,:-"--,-,-c'C'!'IiIn+++,+,"-'-'-+-I;j+TT+-t1,+!+-tjl+l-+-fjfR'I=F,FR-11Hi+1+-t,-t+l:+t-1H+H\I+Hjl++-t+!+-t!;+I+I\f-t+IHII+H!!+IHI,-t+lH+J+1.,.H1++-t1-++11++-J+1.,.J+1.,.++++++:t-+-t-f-iTIji"l'-jtIIi"!IIIL,.l,i:,"i11,_1.!:'1:".'404*'T:'I-1+'1,':::;11,1"...."I,'",..I,i",II'I,.II'I'II...!I"i,'!I"1,I:*t;,LHr-H--t+++i-++++++-+-t-+-l-+-H-{I:iI*Iill';,.:."i'";!(:1III','.,1l'::II;IIiiiii!iiii1;"I.'.::::!i,I,II1',,,I..,*.,:"ijIi1LfL.HI.i.1!-!):ijj11J'.ii..ti::I'i:1./1i:Ii-;,II,.rt*tIf,..',!,::!I'ILlilji/1,.:"LI.L,I',:,'++-H-+-++-l-+T,liTiIT"';;:;i-IIII:'l*3OiInili,I'!i:':!!:i:;:;;,:::II!::;';!U.l,tl!IIIIIj.:itqti:i"iifmhH!i"tiI..**.o:>'"....V'l....'"o..J-'....u....z:****Figure2.5-194a

• • • -......PIEZOMETRICLEVELSREVERSESEEPAGETESTINGSf.PTOCTNOVDate1977-t-1978DECJANFEB360390380...............c::o.....ttl><IJWlO**..'5,10I'20).,\(1I-'1,?',L,10is202S...101"110Dry....5............"i::fHil1;PiI'j;:'!ll8-2jl11'11'\.,.,:1:'1:1:ljj"I,.,'1.1"'ii'"I'H'.",."I'll:::1*..:1*..:1..,'"..'111"1I".I",..""tl!:",I,"I111i:"1I[:lit!..'I'""'"t::...::t;::,*l,:\j;1""I!;';'jl;:.I.*:::1::\"..I!l:If.,!.'j'...I",II,.I'"..I'IdIIjl"IIIIIll.,I,...t,I,I""'1'1i"....:I.."I",:I..,::t::;p...t:qt::::1,';'I:I;;:::;'.ii::;!i'.:;,1tj':;:.::::II:::::.:1::::::;:1:::....."I'I!I...'I"II'"lit*I,II'..'1I!1/",..,I!I'"'IIII':,:I;'"i,.'::t*,I':ftl',..*.:,.:,iii......."I"IIt,;iIIDryI'-,f,i1'"'jI"',,t':::..tHjH.;!":I:;::;,::....:.:':tli,I:;;',I':i,i':i::,:1<t:1i:::jj!):!!:."..1,..11:(,1,'j"il,1I"'...ilIII"1,1"""..*.I:il';!I",'",II1,,1.,:',i:11'I'!'I,,II..',I"*Underwater..,..I*.*rnI*****I',IIt*'**:.***.,;III'I,*,**";II;I..'..,.I',,:::i'fi::!!!::ii,:i::!::::i:,..;!I:,:.:!;::.:*>:'1'::1:iIj.!I':i:i:'iI!i:t:\'[::I::i::i:::I::!!::[iiii:::::i:::::i:i::i'l;!ii::.:...I,,,I*"".,..",","I......,I,II;."....,.......','...I,.",I.I,,II',.:.!I;*1,,'"..,"..".""......"!.".",I,.;,","i.::I:::I::!t:;'::i:::::;::i:I":I:!:..,"::i:i;::,:::'11:I:::I::IIi,II:::,I:.:;1:::I:'1::'iII:::I::;I;::I:::Ii;::ti!:.:::***.""""1,,1,..,,.,."'1',ilII'I'"....."1'1'"I"'".*,"IIIII.'""I':i.,'.',*1",I,"..,.,,,",I.",.,;,I',*,."..I::,';:;::::;:::::::;:;,....;::;'I:::.*..:;',:';::,11:1,':I::'::,I::,:II:1:.*Ii:'I:::!::I:::I:::::::i:",I..."'!":..""I.,,,',,,I'll,I........',"1dl':1'1'I'"I"111:1':t1"'1.;!I,.,.,.,",.,."1*1',**t",,","...:I:';.:;..':;::I::::;!:;:II::::;::::'...::::::.;;::i11:!I:::I!.:;:::il:!::i::I::::I-;::::::::t::;::.:i:::.:::I'*"......I"".,I":!Ii'""*"1I',II,.,...."""'".II""'l'IIIII';\':!"i"i,,I**'fl"."""'",.,,.:370,:;::i.::,:::.Ii:!ii:,<i.::::;:il:,Iilli.:,:"**,*.'***'::1,::.,II;I!;:1:;IIII:,::1:;:.;;::::!'I:::;::::::::i:':,:':..:':'::::::P,ezometncProf,1eStatlOn-8+00I:!,:.",:::t:111:::1:1\::'11::llUl\:1II):do:;fi:11'I:I::::::::..:::..:,:IlorthDam",.,,,,,"t,'1"'.",.,t*1.,I,'t!..Ii",,[,'1"f'"I"..I,'I::..",1'::1:I:::I:::I:::I:::I::::IT;;.:::':':;:11;::1:::::Ii::IiiIi::(:ii:11::!:::,::;;:11:::::**:::-I::'I,:::.:::t::......**.****'8-"'.****'1..**..*.'1,"fI,'!:!!!11,'Cb'.*.*..............."I'\.."I........+-0'I'....I.....I"..".....*......I........:.I:.:1>:::::::::'":i:*.....;:>:::350Note:SeeTable2.5-72..forLocationofPiezometersI:::..:J:.".:1.:'(J,'r...:1::::.1::::1::10-2'0...\"",...,..:i.,11;11:,:';'I\0)I"20r,\"l,.2°..?;'1,"1015,..?:1..;:)1.,.'.0II)?l)'360PiezometricPrOfileStationlQ+OQ.."Ii::::<::'Note:SeeFigure2.5-133t+/-NorthDam..,.."11"...""forCrossSection....11:::::::,:I::::'::i:T**::!:!J,I:ii..II,::i:;i::I:i::\:liT"ii::ofNorthDamat::::..."....."'i1"'1'"...,....'"1,.."..I".,:1:::li...I':';:I:::::;:*:i:thisstation...,:I:':<:.;:;:;;.;;;:.:;:;::;1,;'1,::,Ii':.::::}:,;1:;1::,;1",,;,';Y:'**::::I::::,::':;::*..*1..*..*""""I"""'I'.,,:1..,."I""r",I"JII..'...:..II.1..""j"'"..Iii:.::'I,j..;.J,I:I::'...:::::::.':'::,:;:i:i:I::!i:..,!::iil::'::;::;::!:::li:iIi**'.,:;:;::!:::1:.::;:.;i;***:::::.I::I'\,"..iJ"DrYIf'I"'T.......'..:'if**i:'....":.....illti...1\..,.,k.,.............IlI..w...--r.,'"'".**...\I::::::T:::.':"1iiiiTU1.1.l*:j:I:::::'101::*i.ii\'ii"..,,:.I,1::'.":::::'1340'".*,::.*:<:*:1-::iikH':.....,.::"::::1::11:::....1:,1:'i..:Note:P,ezometer10-1was10-4:1:1"'1'.,1::1:,;sealedadequately,R,se0-3':r""";'.I...::\:betweenOctoberand.I.II:;....:Novemberisattributed....J..-1...-1_1_"1Ilid.:.*.torainfallinfiltration.330,1*'*1....,'1"'""'II1350.....'+-c::o.....to><IJW::1:'.!:.:...1....:.:I....I**.400"'10l':?o2510I"'f].'"l11In.H,1(';j"10:;,..11:..In'"lIII11'Il..*IIII'I'II...,...*I......*******.............'!.......,:':::::1:...PiezometricPrOfileStation12.5::.':::1......"'i:'".,.1'1>....".'..***.',....*....********11i'I.'"....,'..:i'I..."1253.,.:.:,I:Dry1'1390I",I:::::;...;II;.-::.....:.*.,.....'.,,I....**1*I.:1**.*.:::1:.5..:I.::"....j:I...*..:I'*}..""1'*1::.*Underwater'.11*****;';;.:i'*."".;..**.**/.....1.1j380:'1'..*.*:**,......,,",**i.*/<*-Ht-****I..:12.5-1.1:...f.*!::':'j---,-,.Il.i*....I".I..*..I370'I*..:*...i>_.'i:__l...._c::o.....ttl><IJw.....'+-......'T--..:...,,.._;..'..'0__._420."..I,i':::I::::!:,I:::!!"'11111\\:I::;:::1::::::.,I,*.........'1.*1,,,1..,..;jli::::1:::::I;::::I.,....IIII!i!iI*m":::::DffiTI*0IDffi:::1lit':\*\.I1II:\:::-:,i:..IItI,".",'.....:.III;;::::::::::::::.::::;:::::J1.,::::....360.......'I:I:..::..,b:::':I:\'\1:1':\.£L11'\..I.,....."...,........,..I.,..,..."..!::.::::::::::::..:::.......,..'I',...........*'",340,*.11:,...:,,,"",.:i::1..:..'.....:........::-.;::::::::'::\1:.***.*':\:",r;,:.:..:i.;'J>.::>::::::::ili':!:::..;;::T!::,..,...,!i-I,1::'1::I:::::il:::::.:':'J.I::::..*..,......i::;""':""1--I320T..,...::1;.::1'**.*::i::.::1i,---rT-:1'Iil!l!:1\i.:III!::/:.'"..II,::1\;(;:I,;":!"'*1litIi"":":';I:i:1,.,41'400.......!.if::,iiiii,.":,1....:...:..i,1::.;:i,i#hrH*......-'...*..*.*....,::I!::,ili:iiiIiiI1l1!;I:,::I:::.,!.*III'I.::,'::Ji'II:til:'...."",1111"'1'I'*:II!....,..,..,II,,'I':;:'illl':':"1::1:,:',..1"II"::iII1:1:.:1:.:::.,,:I::I;:.j,I....11..,I.:1.l..I::!::j+;.I:!!i:!:::::::::::;:'::i'ii:j[:::::'!:;;ri:.,..I...:.,:IIiiiIi\.li;;1:::..i)l:.11Ii:Iii!I*,11:.:I::i:;'i:*,,:1::1380In*I::.II'11,;:1::,.';:!ilt>:Iiil;**;,':\.I.....,.III\1:....::.:,:..,.I"I,;.I,'1"I!!':'.."....I\II'..,.,."."..".",,,"",I'I.;1':I;:,:::::1::;:,\;:I."I.':IIill,I;:;,I,;I'":1::::::,c::o.....ttl><IJ................<VI:Po-0;ocItlN0r-::I:3Itl"T1VI;o10'Itl_.CoItl,.,S:r-c:'Or-S:z.,QlItlItl10Cm>>!"Itl!:!!..;om\f'Zr-...Itl0cm\0_..,C'"::J_.\Q::J\Q>>n;0;0120ItlCItl>>>>.,IIIItlOn
  • It!In,991.00E1,905,051.82NOTE(1)o12t5O--'------!fONTICELLORESERVOIR*---LEGEND:oPIEZONETERaELEVATIONAIDALIGNMENTMONUMENTAREFERENCEALIGNMENTMONUMENTNOTE(l)ReferencepointislocatedonCirculationWaterIntakeStructurewhichisfoundedonrock<2)Monument16+00removedduetoconstructlonofguordtowerSOUTHCAROLINAELECTRIClI<GASCO.VIRGILC.SUMMERNUCLEARSTATIONInstrumentationLocationPlanforNorthOomRev.1rigure2.5-195 Figure2.5-195aIaInstrumentationLocationPlanforSouthDamSOUTHCAROLINAELECTRIC&GASCO.VlRGILC.SUMMERNUCLEARSTATION3o4oAPPROX.TOEOFEMBANKMENT5o..C"r)LLJC>....JU')..l.OAPPROX.TOE--__/OFEMBANKMENT.........."-'"'"""-........"""'-"""'-CENTERLINE6SOUTHDAMCRESTELEV.7a8ooELEVATIONANDALIGNMENTMONUMENTREFERENCEALIGNMENTMONUMENT(SWP)APPROX.TOEOFCLAYBLANKETH471,652.62E_****

"Figure2.5-196InstrumentationDetailsSOUTHCAROLINAELECTRIC&GASCO,VIRGILC.SUMMERNUCLEARSTATION"."."6"min.HIN.2',.J1..:',':...MIN.6"I.D.SCHEDULESTEELPIPEFILLEDWITHCONCRETE.PIPESHALLBEFREEOFSCALESANDSOILANDTHEOUTSIDECOVEREDWITHATLEAST2COATSOFRUSTRETARDENTPRIMERORENGINEERAPPROVEDEQUIVALENTMIN.10"DIAM.AUGERHOLEBACKFILLEDWITHB2WC-E2R6.0GROUTORASAPPROVEDBYTHEENGINEERCONSTRUCTIONDETAILNORTHDAM&SOUTHDAMS(NottoScale)CONCRETEROUNDEDTOPWITHIMBED.SEEDETAIL-A-MONUMENTSLOCATED15FT.SOUTH-------:;;...c::::::OFCENTERLINEOFNORTHDAMAND10FT.NORTHOFCENTERLINEOFOFSOUTHDAM(NottoScale)r:;*:*lei1/8":!:TT2"To3"+4-01AM.SHANK-L-EMBED&SEALRODINTOMONUMENTDETAilAFILTERSANDSCREENEDPIPESECTIONSCREW-ONCAPq2INCHDIAMETERCORRUGATEDMETALPIPESECTIONCONCRETEFILLFINISHEDFACEOFDAMSOLIDPIPEIFT.SQUAREWOODENFORMPOINT.;:.:::,,:{:\---r-12"+..-...-...L--.,..,.'.,:...,:..:.,.'.;.'.",.,,'.:;,10FT.MAX.(TYP.)IFT.MIN.NOTE:CONCRETEPROTECTIONREQUIREDONLYONRIPRAPSLOPESELEVATIONOFFILLtPISINSTALLED:.:------1FT.MIN.FILTERSANDI

• • • -I--1--.360-3200.050.000.050.10----.......H9TE:RESERVOIRANDPONDLEVELSVARYTO-l:'--HORTHPIEZOtEiERLEVELSSOUTHCAROUNAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONPost*ContructionCrestSettlement-MaximumCrossSection*NorthandSouthDams*0.20-I--0.15co0::01-+=""o.0.10Cl)1-zox:::lI-Zzo0.05w..Il=w*(I)0.000*.0"**19..1t..-19__Figure2.S*196a SERVICEWATERPONDMONTICELLORESERVIOR300320380360350300250ELEV*0'\ELEV.N.a"'-PIEZOMETER200RIPRAPSLOPEPROTECTIONFILTERDRAIN150100165*50NATURALGROUNDoELEV.3311250100SELECTFILLTHEORETICALSTEADY.J,.STATEPHREATIC___LINE___----1503Ir:::::::ELEV.333.8200*NOTE:PIEZONETERWATERLEVELSOBTAINED2/23/78PIEZOlETERSONI4ONTICELLORESERVIORSLOPEUNDERWATER.SERVICEWATERPONDEMPTY250wWIA..::IE380*:II:0360'CI:>W...JLLJ320300,300*DISTANCEFROMCENTERLINE.FEET**SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONTypicalCrossSectionforPiezometerLocationsStation10+00Figure2.5-197I
  • ooooti...119'4.44'\o\\PUMPHOVSE.\*****EASTPENETRATIONA.t.CESSAR.E.""INTERME.OIATE"-\\\-:";EL\--OC><--.....1\:01EE.LGENERATOReU'lOlNtI//"-'\\\//'//,InLTmDW">"RA\i-/STOAA60E,\II///\'\(Wp.E.L.42.7'-."!SER.VIC.e:.wATE.P.PONDN47Z,SOOSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONPiezometerlocationsinVicintityoftheServiceWaterPumphouseFigure2.5-197a FILLQUANTITYvsDATENORTHDAM1977'--..!!:WE£!!AWTHERCON::=:O...:...I_DATE.MONTHSSELEC,FILLPLACEMENTCOMPLETED10090....80........e,.)70UJ....UJeI)u..600z0....50UJ....%0e,.)40....zUJe,.)c:::30UJ0u.JI-20<<=I-eI)UJ/00___-0-SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTAnONFillQuantityVs.Date(Sheet1of4)Figure2.5-198 SOUTHDAMSelectFiIIPlacementIADVERSEWEATHERICONDITIONSf")0)(0LIJCo)4...J...J...J-LL.Co)UJ...J*WenLL.0en00::4>-Co)CO:::lCo)*300200100FEBoADVERSEWEATHERCONDITIONSMARCHAPRILMAYJUNEJULYAJGUSTSEPTOCTADVERSEWEATHERCONDITIONSNOVDECIJAN_FEB.1977--r--1978MARCHAPRILMAYSELECTFILLPLACEMENT272,920yd.3100908070z600-W...J502:0q.Oz:LIJ30Co)a::UJ20100JUNEJULY**DATE,MONTHSSOUTHCAROliNAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONFillQuantityVs.Date(Sheet2of4)Figure2.5-198 FILLQUANTITYvsDATEEASTDAMSEPT.OCT.19nDATE,MONTHS.,.,SOt'"Q....,e.>l4()<...Ja.-'-'.....30....e.>LlJ....lNOWORK.....C/')PERFORMED.....200,.,Qa::<>-10e.>CCI;:)e.>0JUNE19n..e-SELECTFILLPLACEMENTCOMPLETED-'-'.........e.>100LlJ...JLlJCt)90.....080z:070...."'"...JQ.60S....z:LlJe.>a::LlJa.QLlJ....<....Ct)....,SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATIONFillQuantityVs.Date(Sheet3of4)Figure2.5-198 FillQUANTITYvsDATEWESTEMBANKMENT1973t1974-t1975t1976t1977116910090..J(W)1000..J....>C90080.....e.>c...*.......e.>80070......'"....15........70060z:........600r50>-.....RESCHEDULINGOFWORK...<.>I........SOO!........M1V[RSE5....r-'"CONOITIONSc.>....IJOORESCIlEOULINGOFWORK.....030zADVERSEWEATHERANDRESCHEDULING...'"300c.>a::0OFWORK//It'a::...20020>-c<.>.........ID10010...:>:E<.>.....00en....DATE.MONTHSSOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUClEARSTATIONFillQuantityVs.Datet.(Sheet4of4)Figure2.5-198
    • • • CompactionOperations......"........,'-.,".A..........,:.......:..:"...,....,.\.SOUTHCAROLINAELECTRIC&GASCO.VIRGILC.SUMMERNUCLEARSTATION'.t.;'--:**,'.'........,..:...'._....-."'..."\..,',,j......\.'4"*Figure2.5-199

Appendices 2A through 2F

APPENDIX 2A X-RAY DIFFRACTION ANALYSIS 2A-1 AMENDMENT 97-01 AUGUST 1997 X-RAY DIFFRACTION ANALYSIS Paul C. Ragland University of North Carolina RESULTS Sample No. 1: Crystal concentrate collected from drusy lining of vug. Result: Laumontite (a zeolite). Sample No. 1-B: Siliceous (?) lining and fill material from same vug.

Result: alpha-quartz; in addition, three very small peaks that probably belong to a small quantity of montmorillonitic clay. Sample No. 2: Crystals scraped from thoroughly weathered vug lining. Result: laumontite. Sample No. 4: Black vein deposit, probably wad. Results: poorly crystallized kaolinite (as indicated by very broad teeth); alpha-quartz; one small peak in the region of the strongest feldspar piece; amorphous material, which is probably an iron-magnesium oxide (presence of amorphous material is indicated by very high background). Sample No. 5: White clay ridge (?) vein deposit.

Results: moderately well crystallized kaolinite; minor alpha-quartz. 2A-2 AMENDMENT 97-01 AUGUST 1997 PROCEDURES 1. Crush each sample for 10 minutes in SPEX mixer mill.

2. Grind each sample for 10 minutes in a Fischer automatic mortar and pestle.

3. Scan each sample from 2 degrees to 50 degrees to theta on a Phillips X-ray difractometer at the following settings: Copper tube nickel filter, 35 kv, 19 milliamps: PAD: Window 15 volts, base level 3 volts, Scintillation counter at 900 volts; Scan speed: one degree a minute; time constant: 2; Rate meter: either 1 x 103 or 2 x 103 full scale.

4. Each sample was run in duplicate to verify all peak positions.

5. Identifications were made by referring to the standard ASTM powder diffraction data file and to the verification references given above. Positive identification of at least 10 peaks was considered necessary for definite mineral identification. 2A-3 AMENDMENT 97-01 AUGUST 1997 VERIFICATION REFERENCES Laumontite: Bartl, H. and Fischer, K. F., 1967, Unterschung der Kristallsturktur des Zeilithes Laumontit: Nus, Jarb. Mineral. Monatshefte, pp. 33-42.

Alpha-Quartz: Zachariasen, W. H., Tlettineger, H. A., 1965, Extension in Quartz: Acta Cryst., Vol. 18, pp. 710-714. Kaolinite: Drits, V. A., and Kashaez, A. A., 1960, an X-ray Study of a Single Crystal of Kaolinite: Soviet Physics - Crystaliography, Vol. 5, No. 2, pp. 207-210. 2A-4 AMENDMENT 97-01 AUGUST 1997

APPENDIX B APPENDIX BRADIOMETRIC ANALYSIS, RUBIDIUM-STRONTIUM AGE DETERMINATION 2B-1 Reformatted Per Amendment 02-01 RADIOMETRIC ANALYSIS, RUBIDIUM-STRONTIUM AGE DETERMINATION Paul D. Fullagar University of North Carolina Method Samples were analyzed to determine rubidium-strontium (Rb-Sr) radiometric ages using standard methods of sample preparation and analytical procedures. Naturally-occurring Rb and Sr are composed of the following isotopes: RbSrRb85Sr84Rb87Sr86 Sr87 Sr88 Rb87 decays to Sr87 at a fixed and known rate. This Sr87 is called radiogenic Sr. The time (age) since crystallization or metamorphism of a mineral or rock can be determined by measuring the present concentrations of Rb87 and Sr87 and calculating or estimating the amounts of these isotopes initially present in the mineral. The following equation is used for the age calculations: (Sr87/Sr86)N = (Sr87/Sr86)0 + Rb87/Sr86 (et - 1) Where (Sr87/Sr86)N is the measured isotopic ratio, (Sr87/Sr86)O is the ratio at the time of crystallization (initial ratio) and is estimated for model ages or calculated when multiple samples are analyzed from the same rock unit (the age that results is called an isochron age), Rb87/Sr86 is measured, e is the natural logarithm, (lambda) is the Rb87 decay constant (1.39 X 10-11/year) and t is time or the age of the system. 02-01 An age is obtained by solving the equation for t. Each quantity in the age equation is expressed as a ratio to Sr86 since this is the form in which data is obtained from a mass spectrometer. 02-01 2B-2 Reformatted Per Amendment 02-01 An age for a sample of igneous or metamorphic rock is normally interpreted as indicating the time of crystallization or formation of the rock. Biotite separated from the rock normally gives a minimum age because the radiometric clock for biotites is not set until the temperature of the mineral drops below approximately 200C. The isotopic and concentration analyses were made with a thermal ionization source mass spectrometer in the geochronology laboratories at the Geology Department of the University of North Carolina, Chapel Hill.

Sample Preparation All samples were washed with distilled water to remove extraneous matter. A chip was cut from each sample and analyzed by X-ray fluorescence to obtain approximate Rb/Sr ratios. These ratios were used to

1. Select samples suitable for age determinations

2. Establish proper weight of sample to be dissolved for mass spectrometric analysis

3. Determine amount of Sr84 and Rb87 spike to be added to each sample for the purpose of measuring Sr and Rb concentrations. Based on the approximate Rb/Sr ratio, sample NK 2.3 was not analyzed. The Rb/Sr ratio of about 0.4 was too low to permit calculation of a model age as an insignificant amount of radiogenic Sr would have accumulated in the rock. In general, Rb/Sr ratios must be at least 1.0 in order to calculate a meaningful model age. 02-01 Samples for age determinations were crushed in a jaw crusher and a split of the total or whole rock sample was taken for samples SC 2.2, SC 2.4 and NK 2.1. These whole rock samples were then processed for mass spectrometric analysis. The remaining rock samples were crushed further in a disk mill and sieved. The 20 to 40 mesh or 40 to 60 mesh fraction was passed through a magnetic separator to obtain a biotite (or biotite-chlorite) concentrate. With repeated pass-throughs, mineral separates of 98+% purity were obtained for all samples except NK 2.2 and SD 3.2; these samples are estimated to be 95% biotite-chlorite. A heavy liquid (methylene iodide) was used to help clean up the separate from NK 2.2. The impurities in the mineral separates are grains of feldspar and quartz. Their presence almost certainly has no effect on the ages obtained.

Spikes of Sr84 and Rb87 were added to each sample; the samples then were dissolved with hydrofluoric and sulfuric acids. Solutions were passed through cation exchange columns to concentrate Rb and Sr. The next step was analysis of the samples in the mass spectrometer. 2B-3 Reformatted Per Amendment 02-01 Calculations Model Ages. Model ages are obtained by using the previously given age equation and assuming a value for (Sr87/Sr86)O. The assumed value for these model age calculations is 0.7050. This value is the average of the values calculated (see below) for SC 2.4 (0.7045) and NK 2.1 (0.7055); since these samples are very similar to the other samples analyzed it is reasonable to use 0.705 except where noted under Results. Following is an example of model age calculation: 02-01 SC 2.1 Biotite (Sr87/Sr86)N = (Sr87/Sr86)O + Rb87/Sr86 1et 0.8617 = 0.7050 + 38.18 1etyear/10x39.111 02-01 t = 295 15 million years (m.y.) The age uncertainty ( 15 m.y.) is an estimate based on our analytical precision. Isochron Ages, There are two unknowns in the age equation, (Sr87/Sr86)O and t. By analyzing two (or more) samples from the same rock unit it is possible to solve for both unknowns as they will be the same for each sample. This solving of simultaneous equations is tedious if done by hand and we use a standard computer program that is used by virtually all geochronology laboratories. This program was used for the two SC 2.4 samples and the two NK 2.1 samples. 02-01 Results Location SC. Two biotites from unweathered samples (SC 2.1 Biotite, SC 2.3 Biotite) have model ages of 295 15 m.y. and 315 m.y., respectively (see data table ). A biotite-chlorite sample and whole rock sample of hydrothermally altered SC 2.4 yield an isochron age of 299 10 m.y. The close agreement between the ages of the unweathered and altered samples suggests one of two possibilities: 1). The alteration occurred about 300 m.y. ago, or 2). The alteration occurred more recently but did not affect the Rb-Sr chemistry and isotopic composition of the sample. If petrographic study indicates a significant alteration and recrystallization, the alteration probably occurred about 300 m.y. ago. Whole rock sample SC 2.2, a microbreccia from a shear zone, has a model age of 345 + 70 m.y. The large error reflects the low radiogenic Sr content, or low (Sr87/Sr86)N ratio for the sample. The ratio is 0.7164 which is quite closed to the assumed initial ratio of 0.7050. A small error in the (Sr87/Sr86)N ratio produces a relatively large error in the age. The initial ratio could be greater than 0.7050 as a thermal or recrystallization event more recent than 345 m.y ago would be expected to raise the initial ratio; thus, the 345 m.y age for the microbreccia should be considered a maximum age. 02-01 2B-4 Reformatted Per Amendment 02-01 02-01 Location SD. SD 3.3 Biotite is unweathered and has a 314 15 m.y. age. Slightly altered biotite from weathered granodiorite (SD 3.1 Biotite) has an identical age of 317 15 m.y. Thus, the degree of alteration exhibited by SD 3.1 Biotite was not sufficient to change the Rb- Sr age of biotite from this location. SD 3.2 Biotite-Chlorite has a model age of 358 40 m.y. This age is probably best interpreted as a maximum age as the initial ratio could be higher that 0.705. Location NJ. Biotite from unweathered granodiorite (NJ 1.1 Biotite) has a model age of 299 15 m.y. which is essentially identical to the ages for the other unaltered samples (locations SC, SD and NK). These ages are best interpreted as minimum ages for the formation of the granodiorite. Location NK. Samples of whole rock and biotite from unweathered granodiorite (NK 2.1 and NK 2.1 Biotite) have an isochron age of 292 10 m.y. NK 2.2 Biotite-Chlorite has a model age of 521 70 m.y. Again, because of the low (Sr87/SR86)N ratio the error is large. Because the sample is altered, there is no assurance that the initial ratio is 0.7050; indeed, the fact that this model age is much greater than any age for unaltered samples indicates that this should be regarded as a maximum age. 02-01 Qualifications of Investigators The analyses were performed by dr. Paul D. Fullagar with the assistance of Dr. Michael L. Bottino. We each have over ten years experience in Rb-Sr geochronology. During this time we have authored or co-authored about 20 papers on geochronology which have been published in major scientific journals. In addition we have each presented over 20 geochronology papers at national and international meetings. All of our geochronology research has received financial support from the National Science Foundation. Virtually all of Fullagar's research for the last seven years has involved geochronology problems in the southeastern United States. 02-01 The laboratories in which the analyses were done are in the Geology Department at the University of North Carolina, Chapel Hill. These facilities were developed by and are supervised by Dr. Fullagar. The laboratories have been full operation for over three years, and during this time 600 rock and mineral samples have been analyzed to determine Rb-Sr ages. 2B-5 Reformatted Per Amendment 02-01 ANALYTICAL DATA SAMPLESr86/Sr88 (Sr87/Sr86)N Rb ppmSr ppmRb/Sr Rb87Sr86Age, m.y SC 2.1 Biotite 0.11960 0.8617 483.1 37.19 12.99 38.18 295 + 15* SC 2.2 0.11977 0.7164 133.5 163.1 0.818 2.37 345 70* SC 2.3 Biotite 0.11961 0.8502 518.0 45.96 11.27 33.08 315 15* SC 2.4 0.11995 0.7079 89.39 316.3 0.283 0.818 299 10 SC 2.4 Biotite-Chlorite 0.11928 0.7509 161.2 42.02 3.84 11.15 299 10 SD 3.1 Biotite 0.11949 0.8457 450.8 41.49 10.86 31.88 317 15* SD 3.2 Biotite-Chlorite 0.11984 0.7254 94.12 66.67 1.41 4.09 358 40* SD 3.3 Biotite 0.11940 0.8691 502.8 39.41 12.76 37.52 314 15* NJ 1.1 Biotite 0.11963 0.9644 507.7 24.21 20.97 62.24 299 15* NK 2.1 0.12027 0.7088 108.2 388.4 0.279 0.807 292 10 NK 2.1 Biotite 0.11978 1.3093 540.6 11.16 48.42 148.5 292 10 NK 2.2 Biotite-Chlorite 0.11996 0.7218 73.24 91.91 0.797 2.31 521 70* 02-01 02-01

• Model age, (Sr87/Sr86)0 assumed = 0.7050 Rb87 decay constant = 1.39 x 10-11/year 2B-6 Reformatted Per Amendment 02-01

APPENDIX 2C RADIOMETRIC ANALYSIS, POTASSIUM-ARGON AGE DETERMINATION 2C-1 Reformatted Per Amendment 02-01 RADIOMETRIC ANALYSIS, POTASSIUM-ARGON AGE DETERMINATION Todd M. Gates Teledyne Isotopes 7 January 1974 TELEDYNE ISOTOPES WESTWOOD LABORATORIES 50 VAN BUREN AVENUE WESTWOOD, NEW JERSEY 07675 (201) 664-7070 TELESX 134475 Dames & Moore Suite 200 455 East Paces Ferry Road Atlanta, Georgia 30305 Gentlemen: 02-01

Subject:

W. O. No. 3-9268-212 We have completed the analysis of your samples submitted for K/Ar age determination. The results are as follows: Isotopes Sample #Your Sample #Isotopic 02-01 Age (m.y.) scc Ar40 Rad/gm x10-5 % Ar40 Rad % KKA73-383 SC 2.2 19618 3.04 3.31 3.18 86 95 3.75 3.85 3.83 KA73-384 SC 2.4 16316 2.00 2.22 2.11 84 92 3.05 3.13 3.09 KA73-385 SB 2.1 20913 2.93 2.95 2.94 47 49 3.35 3.31 3.33 KA73-386 SB 2.2 227 14 4.49 4.50 4.50 98 98 4.65 4.70 4.67 KA73-387 NK 2.2 26416 2.89 2.88 2.89 91 90 2.54 2.55 2.55 KA73-388 NK 2.3 27316 3.52 3.54 3.53 95 96 2.95 3.04 3.00 02-01 KA73-389 Biotite SC 2.1 29115 8.91 8.95 8.93 93 93 7.10 7.05 7.08 2C-2 Reformatted Per Amendment 02-01 Dames & Moore 7 January 1974 Isotopes Sample #Your Sample #Isotopic Age (m.y.) scc Ar40 Rad/gm x10-5 % Ar40 Rad % KKA73-390 Biotite SC 2.3 28814 8.48 8.56 8.52 91 91 6.78 6.88 6.83 KA73-391 SD 3.1 26416 6.97 6.91 6.94 79 80 6.37 5.85 6.11 KA73-392 SD 3.2 25615 1.33 1.36 1.34 61 65 1.25 1.18 1.22 KA73-393 Biotite SD 3.3 29718 7.87 7.95 7.91 87 87 6.13 6.15 6.14 KA73-394 Biotite NJ 1.1 29017 9.07 9.10 9.09 94 94 7.26 7.23 7.25 02-01 79 79 7.54 7.50 7.52 KA73-395 Biotite NK 2.1 29217 9.46 9.53 9.50 The constants used for the age calculations are: = 0.585 x 10e110yr10x72.4-10 yr-1 and K40 = 1.19 x 10-4 atom percent of natural potassium. 02-01 The error indicated for the reported ages consists of a summation of all analytical errors. Through past experience these errors generally amount to 1-3 percent. Therefore, we have selected the upper limit of our analytical error (3 percent) and use this number in calculating the analytical error in the isotopic ages for samples with sufficient radiogenic argon. As the volume of radiogenic argon or the potassium content decreases to 10-8 scc and less than 0.1% respectively, the size of the analytical error naturally increases. This is due to the inherent limitation of the instrumentation. In these cases errors are calculated in a manner similar to that of Cox and Dalrmple (J. Geophys. Res 72 (10) p. 2603-14). 02-01 2C-3 Reformatted Per Amendment 02-01 2C-4 Reformatted Per Amendment 02-01 Dames & Moore 7 January 1974 If you have any questions concerning these results or I can be of any further assistance to you, please do not hesitate to contact me. We look forward to being of continued service to you. Very truly yours,

Todd M. Gates TMG:11

10 January 1974 TELEDYNE ISOTOPES WESTWOOD LABORATORIES 50 VAN BUREN AVENUE WESTWOOD, NEW JERSEY 07675 (201) 664-7070 TELESX 134475 Mr. William Smith Dames & Moore Suite 200 455 East Paces Ferry Road Atlanta, Georgia 30305

Dear Mr. Smith:

Subject:

W. O. No. 3-9308-212 We have completed the analysis of your sample submitted for K/Ar age determination. The results are as follows: Isotopes Sample #Your Sample #Isotopic 2C-5 Reformatted Per Amendment 02-01 Age (m.y.) scc Ar40 Rad/gm x10-5 % Ar40 Rad % KKA74-108 X-1 45+5 0.064 0.059 0.062 27 25 0.33 0.34 0.34 KA74-109 SH4 141+8 1.09 1.11 1.10 87 88 1.85 1.89 1.87 02-01 KA74-110- 289+17 90 90 6.50 6.50 6.50 8.09 8.14 8.12 02-01 The constants used for the age calculations are = 0.585 x 10e110yr10x72.4-10 yr-1 and K40 = 1.19 x 10-4 atom percent of natural potassium. The error indicated for the reported ages consists of a summation of all analytical errors. Through past experience these errors generally amount to 1-3 percent. Therefore, we have selected the upper limit of our analytical error (3 percent) and use this number in calculating the analytical error in the isotopic ages for samples with sufficient radiogenic argon. As the volume of radiogenic argon or the potassium content decreases to 10-8 scc and less than 0.1% respectively, the size of the analytical error naturally increases. This is due to the inherent limitation of the instrumentation. In these cases errors are calculated in a manner similar to that of Cox and Dalrymple (J.Geophys. Res 72 (10) p. 2603-14). If you have any questions concerning these results or I can be of any further assistance to you, please do not hesitate to contact me. We look forward to being of continued service to you. 02-01 Very truly yours, TMG:11 Todd M. Gates

APPENDIX 2D IN SITU STRESS MEASUREMENTS BY THE OVERCORING TECHNIQUE 2D-1 Reformatted Per Amendment 02-01 IN SITU STRESS MEASUREMENTS BY THE OVERCORING TECHNIQUE Dale Stephenson Dames & Moore There are several methods available for measuring in situ stresses in rock, many of which are described in ASTM STP 429 Determination of Stress in Rock, A State-Of-the-Art Report, some of which involve the overcoring method. The one used in this investigation of the in situ rock stresses at the Virgil C. Summer Nuclear Station involved overcoring and was done using a borehole deformation gage similar to the one developed by the U. S. Bureau of Mines. A detailed description of the gage and theory involved can be found in reports by Obert (1962) or Merrill (1967). Where the measurements are made near the earth surface in vertical drill holes one stress direction is assumed vertical and due to gravity loading. The other two components of stress (termed secondary principal stresses) can be determined from a single overcoring observation. If three non-parallel holes are drilled and measurements made in them, the complete state of stress in the rock mass can be determined. Only a summary of the theory and method is presented here. Using elastic theory, the solution of stresses and strains associated with a hole in an infinite plate subjected to a biaxial stress field can be determined. Therefore, if the strain or deformation of the hole in the plate can be measured the biaxial stresses (P', Q') can be calculated. For the condition of plane stress the diametral deformation U is 2cos)'Q'P(2)'Q'P(EdU (1) and if the plate is in plane strain 2cos)'Q'P(2)'Q'P(E)1(dU2 (2) where d is the diameter of the hole and E and are elastic constants. 2D-2 Reformatted Per Amendment 02-01 If the diametral deformations in three specified directions are measured at a point in a borehole in the rock, P', Q' and can be determined assuming the elastic constants are known. If the measurements of diametral deformation (U1, U2, U3) are made at 60-degree intervals (angular deformation rosette) the magnitude and direction of the applied field can be determined from: 02-01 }])UU()UU()UU[)2/2()UUU({d6E'P2/1213232221321 (3) }])UU()UU()UU[)2/2()UUU({d6E'Q2/1213232221321 (4) 32132IUUU2)UU(3tan2/1 (5) where is measured from U1 to P' in a counterclockwise direction. To use this mathematical procedure to determine the absolute stress in the rock an overcoring technique must be used. The procedure as developed by the U. S. Bureau of Mines and used at the site is to first drill a small diameter (1 1/2 inch) hole into the bottom surface of a 6 inch diameter borehole. The borehole deformation gage is then placed in this hole, oriented to measure one of the deformations in a given direction such as north and an initial strain indicator reading made, S1 (S1, S2, S3). Next the section of rock is concentrically overcored using the 6 inch diameter diamond bit, thereby stress relieving the section of the rock containing the gage. Strain indicator readings are taken during the overcoring and after the rock core containing the gage as been completely stress relieved (there is no further drop in readings) a final value of readings S2 '3'2'1S,S,Sis taken. The difference between the initial and final strain indicator readings can be related by a calibration factor to the deformation of the borehole. This procedure is illustrated in Figure 2D-1 where (a) is the overcoring technique and (b) is the response of the strain indicator. 02-01 02-01 2D-3 Reformatted Per Amendment 02-01 The modulus of deformation of the rock is calculated using the scope of the pressure/deformation plot by means of the relationship UP)ab(ab4E222 (6) 02-01 where E is the modulus, a is the inner radius of the specimen, b is the outer radius, P is the change in applied pressure, and U is the measured deformation of the inner hole. This is similar to the thick walled cylinder problem and the complete derivation is given in Obert and Duvall (1967). Each laboratory test of the specimen enables three separate directional moduli to be calculated, 60 degrees apart. To provide more data to examine the validity of assuming an isotropic modulus, laboratory tests are repeated with the borehole deformation gage rotated counterclockwise through 30 degrees with respect to field locations. If the rock is anisotropic, this can be taken into consideration in the calculation of the in situ stresses. 02-01 The results of the field test showing plots of deformation versus depth are given in Figures 2D-1 through 2D-6. 02-01 Dale Stephenson

Dames & Moore 2D-4 Reformatted Per Amendment 02-01 (0)OVERCORINGTECHNIQUElb)STRAININDICATORRESPONSEVERSUSOVERCORINGDEPTH5,------(!)ZClc:rlJJ0::0::o1-'c:rUClZzc:r52-------0::....(J)HOLEDEPTHBoreholeOvercoringprocedureFigure20-1 (5zO:::-W<J:WWL"O:::<J:20rIzof-_<J:if):?::wO::::r::OGu...ZW-0o432o-1o.....v--\/VV"\"J.)jII(/IYAX1SORIENTATIONAXIS#1AXIS#243czo:::-w1J)f-2<J:WULo:::<J:u-uo00-1IrJf'V,LlA!jUVJU/'4681012141618POSITIONOFOVERCORINGBIT(INCHES)AXIS#3InSituStressTestBoringOC-1Test2Fiure2D-2 2zO:::-wIJ)I-<twW2Q::<t0c-zoI-1Iz20I-(/)2L.w0:::=0,...)w...Zw-00-!0<t.-0::::><r--1/-<t0l/\fJ\JLIIAfAt\f1)l'1\-1\\I\J1""\...Vv.f\v68101214'1618POSITIONOFOVERCORINGBIT(INCHES)NORTH1AXISORIENTATIONAXIS#1AXIS#2AXIS#3InSituStressTestBoringOC-1Test3Figure2D-3 (1]zo:::<J:Lc.:WJ2:O:::<J:ZC2o-1rr-t-r\it'/(1'\.-"./'"NORTH13($2AXISORIENTATIONAXIS#1AXIS#2"-I""vrv'r-'/'"2ozo<J:u;:2:WJO:::::=0ULc.:ZW-0--'-1o<J:)-,-'--.......w2o'->ZO::::-w(j)<J:Ww2:O::::<J:u-,wOoo-1-2.....V'\1\"AXIS#3681012141618POSITlONOFOVERCORIN(;BIT(INCHES)InSituStressTestBoringOC-2Test1Figure20-4 z0f-....-.<tif)L'.-:...,;0::J:0,l.J--'0Zw0-I0<t0::-1)','-'-'wL<t0,"zo::-w(fl<tww::?:o::<t20oo-1v(II\-/\nV/----n"-IV"46810121416POSITIONOFOVERCORINGBIT(INCHES)AXISORIENTATIONAXIS#1AXIS#2AXIS#3InSituStressTestBoringOC-2Test2Figure2D-5 32CJzo:::-w(j)f-<<wWL0:::<<0G-zo-17i'-A,),),.f'....lA/\..-\J....,,.....v2468101214POSITIONOFOVERCORINGBIT(INCHES)AXISORJENTATIONAXIS#1AXIS#2AXIS#3InSituStressTestBoringOC-2Test3Figure2D-6

APPENDIX 2E LOGS OF BORINGS NUCLEAR PLANT SITE AND GENERAL AREA 2E-1 AMENDMENT 97-01 AUGUST 1997

APPENDIX 2F LOGS OF BORING AND TEST PITS FOR SERVICE WATER POND EMBANKMENTS APPENDIX 2F LOGS OF BORING AND TEST PITS FOR SERVICE WATER POND EMBANKMENTS INDEX SHEET Page Boring Page Boring 2F-1 Index Sheet 2F-44 C-4, C-5 2F-2 Key to Soil Symbols and Terms 2F-45 C-6. C-7 2F-3 ND-1, ND-2 2F-46 C-8, C-9 2F-4 ND-3. ND-4 2F-47 C-10, C-11 2F-5 ND-5, ND-6 2F-48 WE-1 2F-6 ND-7, RND-8 2F-49 WE-2 2F-7 RND-9, ND-13 2F-50 WE-3 2F-8 ND-13A, ND-13 2F-51 WE-4, WE-5 2F-9 ND-14, ND-15 2F-52 WE-6 (1 of 2) 2F-10 ND-16, ND-17 2F-53 WE-6 (2 of 2) 2F-11 ND-18, ND-19 2F-54 WE-7 (1 of 2) 2F-12 ND-20, ND-21 2F-55 WE-7 (2 of 2) 2F-13 ND-22, ND-23 2F-56 TPW-1 2F-14 ND-24, ND-25 2F-57 TPW-2 2F-15 ND-26, ND-27 2F-58 TPW-3 2F-16 ND-28, ND-29 2F-59 F-1, F-2 2F-17 ND-30, ND-1/4 2F-60 F-3, F-4 2F-18 ND-4/11, ND-11/17 2F-61 F-5 2F-19 ND-17/20, SD-1 2F-62 F-6 2F-20 SD-1A, SD-1B 2F-63 F-7, F-7A 2F-21 SD-2, SD-3 2F-64 F-8, F-9 (1 of 2) 2F-22 SD-4, SD-5 (1 of 2) 2F-65 F-9, (2 of 2), F-10 2F-23 SD-5 (2 of 2), SD-5B 2F-66 F-11, F-12 (1 of 2) 2F-24 SD-6, SD-7 2F-67 F-12, (2 of 2), F-13 (1 of 2) 2F-25 SD-8 2F-68 F-13, (2 of 2), F-14 2F-26 SD-8B, SD-9 2F-69 F-15 2F-27 SD-1/5, SD-5/8 2F-70 F-16 2F-28 TP-S1, TP-S2 2F-71 TBG-2 2F-29 TP-S3, TP-S4 2F-72 TBG-3 2F-30 TP-S5, ED-1 2F-73 TBG-5 2F-31 ED-2, ED-3 2F-74 TBG-7 2F-32 ED-4, ED-5 2F-75 TBG-8 2F-33 ED-6, WD-1 2F-76 TBG-10 2F-34 WD-2, WD-5 2F-77 TBG-12 2F-35 RWD-5, WD-6 2F-78 TBG-14 2F-36 WD-7, RWD-7 2F-79 TBG-15 2F-37 WD-8, WD-9 2F-80 TBG-16 2F-38 WD-10, WD-12A 2F-81 TBG-17, TBG-19 (1 of 2) 2F-39 RWD-13, WD-14 2F-82 TBG-19 (2 of 2), TBG-20 (1 of 2) 2F-40 RWD-14, SS-1 2F-83 TBG-20 (2 of 2), TBG-23 (1 of 2) 2F-41 SS-3, SS-4 2F-84 TBG-23 (2 of 2), TPG-4, TPG-9 2F-42 SS-5, C-1 2F-85 TPG-11, TPG-18, TPG-21, TPS-22 2F-43 C-2, C-3 2F-86 TPG-24, TPG-25 02-01 02-01 2F-1 Reformatted Per Amendment 02-01}}