ML20006B451

Forwards Application for NPDES Permit for Storm Water Discharge at Plant

ML20006B451
Person / Time
Site:	Mcguire, McGuire
Issue date:	01/25/1990
From:	Tucker H DUKE POWER CO.
To:	Wakild C NORTH CAROLINA, STATE OF
References
NUDOCS 9002020203
Download: ML20006B451 (6)

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O DUKEPOWER January 25, 1990 Mr. Charles Wakild, Director Division of Environmental Management Department of Environment, Health, and Natural Resources'

p. O. Box 27687 Raleigh, NC 27611 Subjectt McGuire Nuclear Station Storm Water Discharge NPDES Permit Application Filet MC-702.13

Dear Mr. Wakild:

The Clean Water Act was amended February 4, 1987. One of the requirements of the amended Act was for applications for permits for storm water discharges to be submitted by February 4, 1990. The regulations governing the content of the applications were to be promulgated by February 4,1989, but have not been promulgated to date.

While Duke power Company realizes. no regulations currently exist and no formal application has been approved, we do not wish to neglect the Congressionally-mandated deadline. In order to comply with. the statutory deadline, please find enr:losed our application for a discharge permit for the storm water discharge at the McGuire Nuclear Station. The . enclosed is our good faith effort application based on the proposed regulations.

When the storm water application regulations have been promulgated, we will file a complete application, and if required we will include sampling data, within the specified time frame.

Should you have any questions or desire additional information, please contact J. S. Carter [(104) 373-2310) .

Sincerely, M k(h)tg m ,.

Hal B. Tucker, Vice president Nuclear production Department WTG/ggb:0603 Enclosure

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RUCTIONS: Complete A through J to estermine totiether yee need to submit any permit application forms to the EPA if you answer "yes" to my M

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• Attadi to this applicotton e topographic map of the eres extending to at least one mile beyond property boundaries. The map must show the outline of the facility, the loostion of each of lu existing and propeesd intake and dischargestrussurosa each of its hazardous weste treatment. storage, te disposal facilities, and each won ishore it injects fluids underground, include.all springs, rheers end. other surface water bodies in the mop ares. See instructions for proeise requirements, v w<W re r% j

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l certify under penalty of low that I have personally examined and am familise edth the heformaalan submittesiin this application and all attachmerrts and that, beend on my inquiry of thoen persone immedletely responsibde for obtaining the ksformation contained in the applicetion, I believe that the information is true, accurate and complete. I am anere that there are siptificarrtpenetties for submitting false information, including the possibility of fine and imprisonment.

A. N AM E 4 Q F FiGI A L TIT LE grypg op prentj .. SIGN A T U Rg H. B. Tucker, Vice President ( G. D A T E S IG r. E D Nuclear Production Department 8 k pj( ' jeI #

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McGuire Nuclear Station Storm Water NPDES permit Appl.tc.4 tion Narrative  :

January 24, 1990 -<

TNTRODUCTION The McGuire Nuclear Station is a two. (2) unit nuclear fission steam electric generating station. It is owned and operated by Duke Power-Company. Each unit is a four loop pressurized water reactor. Reactor fuel is zircaloy clad sintered . uranium oxide pellets. Reactor heat is ' absorbed [

by the Reactor Coolant System and produces steam in four (4) steam generators sufficient to drive a turbine generator unit with a design net electrical rating of 1180 megawatts.

SITE RUNOFF COLLECTION AND TREATMENT. [

Area Description i

The drainage area for the- McGuire Nuclear Station site is approximately 250 acres. The area ' associated with the industrial activity and parking lots are paved or hard-packed dirt areas. Other areas (entrance way and outside the industrial area) are landscaped.

Yard drain catch basins are strategically = spaced throughout the area to intercept runoff. The yard drains follow thef natural contour to either the Standby Nuclear Service Water pond (SNSWP) or the Wastewater Collection Basin (WWCB) ~The WWCB'is permitted as Discharge j 005.

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Collection, Treatmont and Discharge The SNSWP is a 34.9 acre pond designed to provide water for the safe l shutdown of the station in the unlikely event that Cowans Ford Dam is l

lost. The level in the pond is maintained, per requirements of . the McGuire Nuclear Station Operating License Technical Specifications, by pumping water from Lake Norman into the pond.- The pond receives input

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from runoff from a drainage area of' 171 acres as weil as the yard .

drains on the east side of the station. The pond overflows to the WWCB (Discharge 005).

The WWCB is a 13.4 acre collection basin having a -total' capacity of ,

approximately 40 million gullons; drawdown capacity is approximately 11 million gallons. Discharge from 'the basin ranges from 0 to '20,000 gpm. If the SNSWP is being flushed, no holdup of the WWCB is possible; otherwise, holdup is minimal. The yard . drains on the west - and south sides of the station are routed to the WWCB.

The WWCB provides sedimentation, natural neutralization, and - skimming as treatment. The WWCB has an underflow discharge to contain . any accumulated oil and mixes with the discharge from the conventional Wastewater Treatment (WC) System (Discharge 002) in a concrete apron.  ;

Plual discharge is to the Catawba River downstream of Cowans Ford Dam (Discharge 005).

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en MATERIALS MANAGEMENT Materials-Exposed to the Elements Oversized construction items.. (i.e. , steel beams and electric cable) -

are stored outside. This material is free of any liquids. There are no storm drains in the area.

Scrap mec sl and wood are stored across NC Highway 73. The materials are free of any liquids. There are no storm drains in the area.-

Ammonia imaximum of two (2) 55-gallon drums) is stored outside 'in the yard. Also, approximately 200 gallons of kerosene is stored in a ' drum in an overspill pan that is sized to hold the entire volume.

Materials Storage Areas Except for the materials discussed above, materials used . at the McGuire Nuclear. Station are stored so that they are not exposed to the elements. Solid chemicals are stored in warehouses; liquid chemicals are stored in tanks in buildings close to the point of use. Petroleum products are primarily in underground tanks.

g ructural Measures to Reduce Materials in Runoff All loading / unloading docks are equipped with concrete pads / ramps.

Associated with the pads / ramps are drains = or sumps for removing ' rain water. During loading / unloading activities, the valves associated with the drains or sumps are closed to prevent material entering the yard '

drain system.

i Above ground storage tanks are equipped with secondary ' containment j with sufficient volume to contaln the entire contents of the' tank. j 1

Non-Structural Measures-to Reduce Materials in Runoff All loading / unloading activities . are ' attended and visual inspections  !

are performed after material deliveries. Also routine inspections are.

scheduled and documented on the material . storage areas, . treatment systems, ponds, intake, and discharge points at a frequency that should detect any problems. Non-routine inspections are conductedzat:

R any time personnel are performing work in the area. Anything out of the ordinary is reported to the' appropriate personnel.

Personnel that operate or maintain equipment are instructed on how to properly operate and maintain the equipment to prevent the discharge l '

of contaminants. Materials personnel are trained not to accept' any containers -with breached integrity. Appropriate personnel receive j Spill prevention Control and Countermeasure (SPCC) training. <The  ;

training includes discussion of the appropriate laws, rules and '

regulations.

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i FROSION CONTROL AND SPCC PLAN I

E'rosior. Control Plan Prior- to any- new construction, a detailed erosion and sediment control plan is . developed in- accordance with the requirements of the -

Department of Environment, Health, and Natural Resources. The r plan. q l

includes measures to be taken to-control storm water runoff,1 including l l rerouting runoff around the construction site: and installing ~ silt:

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SPCC Plan The site has developed Spill Prevention Control and Countermeasure'

(SPCC) plans. The documents cover; procedures for materiali transfer,

• storage, and- spill control including location of = spill cleanup:

supplies and- equipment. The plan- is . intended. to _ satisfy the^ .

L requirements of 40 CFR Part'112 and is maintained'at the site.

APPLICATION OF FERTILIZERS, SOIL CONDITIONERS, PESTICIDES, AND HERBICIDES.

Landscaping has been implement'ed for erosion control- as- well ~as  ;

, beautification. As such, fertilizers and soil conditioners are applied on

• an "as needed"' basis in accordance with the label. Soil conditioners, with l

, the approximate annual amount, include . lime (320 pounds) and _ Milorganite (600 pounds). Fertilizers, with the approximate annual amount,/ include 10-10-10 (1750 ' pounds), 17-17-17 (4000 pounds),- 14-28-14 ( 3100-- pounds),

12-6-6 (1700 pounds),_and pellet nitrogen (5000 pounds).

l-- Restricted-use herbicides and pesticides ;are applied as necessary in-l accordance with. manufacturer's reconnendations by' a1 contracted licensed applicator; unrestricted-use herbicides ,and pesticides are' applied as necessary by station personnel in accordance to the label. ' Herbicides 'are - ,

applied to areas including the isolation' coneL at= the Protected Area fence, storage yards, around the property fence,' at the firing range, ball field, :

and' switching station. Types of herbicides and the approximate _ amount per -

year are as follows: XL (1500 pounds), Round Up (6 gallons), ' Trimec (3-

• gallons), ' Surflan () gallon), = and Daconil (1) gallons). The ' pesticide -

Di-Syston is applied to the landscaped area outside the-protected area at the rate of approximately-30 pounds per year.

All of the materials that are granular are applied with a machine spreader while the liquid materials are applied with a hand sprayer. None of the materials are applied in close proximity to water.

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