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Final Geologic Rept on Foundation Conditions,Power Plant, Dams & Related Structures, Vols 1-3
	ML18018A720
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Site:	Harris
Issue date:	10/31/1981
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CAROLINA POWER 6 LIGHT COMPANY SHEARON HARRIS NUCLEAR POWER PLANT FINAL GEOLOGIC REPORT ON FOUNDATION CONDITIONS POWER PLANT, DAMS AND RELATED STRUCTURES VOLUME 1 EBASCO SERVICES INCORPORATED OCTOBER 1981 8308300640 830824 PDR ADOCK 05000400 PDR

TABLE OF CONTENTS

~Pa e 1.0 SMARY AND CONCLUSIONS ....................................... 1 2:0 INTRODUCTION 4 3.0 PREVIOUS GEOLOGIC INVESTIGATION ......,............,...,.....,. 6 4.0 FOUNDATION INSPECTION AND CONTROL ............................. 9 5.0 G EOLOGY ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ t ~ ~ ~ ~ o ~ ~ ~ ~ ~ ~ ~ ~ 15 5.1 Geologic Setting ......................................... 16 5.2 Crystalline Rocks of the Main Dam ........................ 17 5 2 1

~ ~ Granite ................ ......................... 17 5.2.2 Hornblend-Mica Gneiss ............................. 19 5 2 3

~ ~ Mica Schist ....................................... 19 5.2.4 Layered Quartz-Feldspar Gneiss .................... 21 5.3 Unusual Foundation Features and Faults ................... 22 5.4 Sedimentary Rocks of Power Plant, Auxiliary Dam, Auxiliary Separating Dike, Channels and Structures Outside of the Plant Excavation ............. 23 5.4.1 Coarse Grained Sandstone .......................... 27 5.4.2 Fine Grained Sandstone ~ ~ ~ ~ ~ 29 5 .4.3 Siltstone ......................................... 29 5.4.4 Shaly Siltstone .........;......................... 29 6.0 EXCAVATION AND SURFACE TREATMENT .............................. 32 6 1

~ Power Plant .............................................. 33 6 2

~ Main Dam ................................................. 37 6.3 Auxiliary Dam ............................................ 42 6.4 Auxiliary Separating Dike ................................ 45 6.5 C hannels ...............................,................. 46

~Pa e 6.6 Structures Outside of the Plant Excavation ............... 46 7.0 FOUNDATION GROUTING ........................................... 47 7.1 'ersonnel and Equipment .................................. 50 7~2 General Procedures ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 56 7~3 Grouting Results ......................................... 60 7 .3.1 Main Dam ..................... ~ ~ ~ ~ ~ ~ ~ ~ 60 7 ~ 3 2~ Auxiliary Dam ..................................... 61 8.0 RECORDS OF DRILLING AND GROUTING OPERATIONS ................... 64 8.1 Main Dam Curtain Grouting .............................. 65 8.2 Main Dam Consolidation Grouting ........................ 76 8.3 Auxiliary Dam Curtain Grouting ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 106 8.4 Auxiliary Dam Consolidation Grouting ................... 128 9.0 ELEVATIONS OF FOUNDATIONS ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 159 9~1 Main Dam ............................................. 160 9 2 Auxiliary A'

Dam ............................................ 182 9.3 Auxiliary Separating Dike ................................ 216

10. 0 FIGURES ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 220

FIGURES

1. Location Map

2. Geologic Plan of Main Dam Diversion Conduits

3. Geologic Plans of Main Dam Core Trench

4. Geologic Plans & Sections of Mein Dam Spillway and Nest End of Core Trench

5. Geologic Plan of Main Dam Spillway Foundation

6. Geologic Plan of Main Dam Embankment Foundation

7. Geologic Plans and Sections of Plant Excavation

8. Geologic Plans of Auxiliary Dam Core Trench

9. Geologic Plans of Excavations for Structures Outside the Plant Excavation Geologic Plan of Auxiliary Dam Embankment Geologic Map and Section of Auxiliary Separating Dike

12. Main Dam Core Trench Consolidation Grouting Plan View

13. Main Dam Curtain Grouting Section and Plan View

14. Auxiliary Dam Core Trench Consolidation Grouting Plan View

15. Auxiliary Dam Curtain Grouting Section and Plan View

TABLES

1. Dam Foundation Inspections by NRC Staff

2. Foundation Features and Faults

3. Summary of Foundation Drilling and Grouting Hain Dam Auxiliary Dam

1,0

SUMMARY

'nd CONCLUSIONS

1.0

SUMMARY

AND CONCLUSIONS The Main Dam is an earth and rockfill dam which is 1550 feet long at the crest and has a maximum height of 108 feet. The Auxiliary Dam is a random earth filldam, approximately 4060 feet long at the crest with a maximum height of 73 feet. The Auxiliary Separating Dike is approximately 1200 feet long at the crest and has a height of 55 feet.

The plant foundation, Main Dam core trench and spillway, and Auxiliary Dam core trench and spillway were cleaned, photographed and mapped at a scale of 1 in to 10 ft. The remainder of the foundation of both dams and the foundation of the Auxiliary Separating Dike were photographed and mapped at a scale of 1 in to 50 ft. All channels were visually inspected as they ere being excavated. No adverse conditions were found. Photographs of all mapped areas are stored in the CP&L files.

The Main Dam is. underlain by pre-Triassic igneous and metamorphic rocks consisting of granite, hornblende-mica gneiss, layered-quartz-feldspar gneiss, and mica schist. The foliation generally strikes approximately N55E and dips 30 60 northwest. Joints are typically spaced two to three feet apart and strike northeast and northwest. Several non-capable faults were found in the foundations of the Main Dam structures. Special Reports on these features are in Volume 2 of this report.

The plant, Auxiliary Dam, Auxiliary Dike and channels are located in the Durham Triassic Basin and are underlain by Triassic sedimentary rocks

belonging to the lower part of the Sandford Formation. These rocks consist of medium-to coarse-grained sandstone, fine-to medium-grained sandstone, siltstone, and shaly siltstone. In many places in the region, these Triassic rocks are intruded by diabase dikes of late Triassic or early Jurassic age. Nevertheless, in the foundation excavations only three narrow dikes have been exposed; they are perpendicular to the Emergency Service Mater Intake Channel.

No geologic features were encountered which could adversely affect stability of any of the structures. Grout takes on both dams were very low. Average take for the Main Dam curtain grouting was 0.03 bags/ft.; for the Auxiliary Dam was 0.06 bags/ft. No grout curtain was constructed under the Auxiliary Separating Dike. (Core photographs from primary curtain grout holes and detailed grouting records are on file with CP&L).

All aspects of the foundation excavation, clean up, treatment, drilling, and grouting conformed with accepted practice, design intent, work pro-cedures, and specifications. Members of the United States Nuclear Regulatory Commission Earth Sciences staff visited the site on a number of occasions and inspected the work and records.

2.0 INTRODUCTION

This report is a summary of the geology and foundation conditions at the power plant, Main Dam, Auxiliary Dam, Auxiliary Separating Dike, Auxiliary Reservoir Channel, Emergency Service Water Intake and Discharge Channels, Cooling Tower Makeup Channel and other related structures of the Shearon Harris Nuclear -Power Plant, as constructed for Carolina Power & Light Company. The locations of these structures are shown in Figure 1.

Initial excavation of the power: plant foundation was begun in April, 1974.

and halted in May, 1975; excavation was resumed in 1977 and completed in 1979. Excavations of the Main Dam and related structures foundations were begun in April, 1978 and completed in March, 1980. Excavations for the foundations of the Auxiliary Dam and the Auxiliary Separating Dike were begun in June 1978 and completed in February 1979. Geologic mapping of the found-ations proceeded as excavation progressed at the power plant and at both dams.

Drilling and grouting was begun after the completion of foundation mapping in each segment of the dams.

3.0 PREVIOUS GEOLOGIC INVESTIGATIONS

3.0 PREVIOUS GEOLOGICAL INVESTIGATIONS Preliminary investigations for the Shearon Hariis Project were performed to evaluite the engineering, geologic and seismologic characteristics of the site and suirounding area.

Field exploiation consisted of the follow'ing:

a. An engineering survey of tHe site and the suirouiiding area.

b. Boring programs which included a preliminary test boring program, borings for structure design, and a boring program in conjuiiction with the Site Fault investigation, for a total of 1250 boriiigs.

c. Instillation and monitoring of wells and piezometers.

d. A trench excavation program for which 12,000 linear feet'eie dug to supplement the exploratory borings and which was- expanded during the Site Fault investigation.

'I

e. Seismic refraction surveys along approximately 5,000 linear feet of siirvey lines.

During excavation of the plant foundation a minor normal fault, herein referred to as the Site Fault, was exposed in the Foundation of the Waste Processing Building; A comprehensive investigation of the Site Fault was

performed for Carolina Power & Light Company by Ebasco Services Incorporated in order to determine (1) age of last movement of the fault, (2) fault length, (3) vertical and horizontal components of movement of the fault, (4) alignment and attitude of the fault from the plant excavation to and through the Auxiliary Reservoir area. A program of trenching perpendicular to the trench of the fault was carried out to trace the fault beyond the limits of the excavation. Nine core borings were completed in sedimentary rock on both sides of the fault to determine the vertical component of off-set along the fault. Magnetometer surveys were used to locate and trace diabase dikes which served as markers to aid in determining fault displace-ment. Detailed laboratory studies of samples from diabase dikes, associated sedimentary rocks, and undeformed crystals, of secondary zeolites in fault gouge were made to determine thk geochronology of dike emplacement and fault movement.

The results of these investigations are described in the report: "Fault Investigation, Shearon Harris Nuclear Power Plant, Units 1, 2, 3, 4", dated February, 1975,and "Preliminary Safety Analysis Report" for the Shearon Harris'roject.

4.0 FOUNDATION INSPECTION and CONTROL

4.0 FOUNDATION INSPECTION AND CONTROL All foundations were regularly inspected for CP&L by qualified Ebasco site geologists as excavation and final clean-up progressed to ensure that the specifications, plans, and design intent were being followed. 'he site geologists also supervised foundation surface treatment, drilling, and grouting of the dams. As work progressed, when any deviations fiom the drawings and the specifications were required because of field conditions, the owner was informed and necessary Field Change Requests (FCR's) were obtained before work proceeded. Grouting inspectors were provided by Law Engineering and Testing Company from October, 1978 to March, 1979 and by CP&L and Daniel Construction Company from then until the end of the job.

In accordance with established CP&L procedures, unusual features and suspected I faults encountered in the foundations were promptly reported to the NRC staff along with submission of a tentative evaluation of the capability of the features.

This was followed by an investigation of each feature which was documented by detailed geologic mapping, photography, and, if appropriate, other investigative methods, such as petrographic analysis.

When mapping was completed, a second geologist checked the field map and noted discrepancies, if any, for corrections. Final drafts were checked against the original field maps by the person who performed the mapping.

Members of the United States Nuclear Regulatory Commission earth sciences staff visited the sites (Photo 1) on a number of occasions and inspected foundation clean-up, mapping, surface treatment, drilling and grouting operations, and records. Dates and personnel involved in these inspections are shown in Table 1.

11-

PHOTO 1 USNRC Inspection Team at the Main Dam

TABLE 1 DANS FOUNDATION INSPECTIONS BY NRC STAFF Date Personnel Items Ins ected Dec. 14, 1977 R. Jackson Deformational Feature, Main Dam Spillway Sta 15+41 Sept. 19, 1978 T. Cardone Main Dam: Right bank core trench; spillway section under the rail-road'ridge; diversion conduits excavation; Aux. Dam: core trench 19+70-21+20. Reviewed significance of structure especially schist zones, on west wall of diversion conduits; reviewed and approved mapping techniques and maps October 5, 1978 W. Swan Main Dam: Mica schist zones in upstream segment of the west wall of the diversion conduits October 26, 1978 R. Bradley Main and Auxiliary Dams D. Murphy Nov. 14-15, 1970 J.C. Bryant Main Dam: All fault offset re-R.D. Bradley ported to date. Field exposures A.L. Cunningham and maps.

J.R. Harris J.J. L'enahan December 8, 1978 T. Cardone Main Dam: Faults A to D and schist zones January 30, 1979 T. Cardone Auxiliary Dam foundation and J. Harris minor faults in Main Dam core trench February 6, 1979 W. Swan Main and Auxiliary Dams grouting and grouting records at Auxiliary Dam April 10, ll, 13, J.R. Harris Main Dam: Faults A2, A5, F2, F3, and left 1979 core trench on bank, Auxiliary Dam, Auxiliary Separat-ing Dike, Grouting results, of Auxiliary Dam

TABLE 1 (continued)

Date Personnel Items Ins ected April 17, 1979 J.R. Harris Main Dam feature at Sta 11+51 0, Thompson May, 23-24, 1979 J.R. Harris Auxiliary Dam foundation and maps; exposures of the Site Fault. Main Dam: foundation and maps; Fault F3 and feature at Sta 11+51 July 10, 1979 J.R. Harris Auxiliary Dam: foundation and maps; plant fault exposures in core trench.

Main Dam: foundation and maps grout-ing results August 22, 1979 J.R. Harris Main Dam: Grouting results.

Auxiliary Dam: spillway excavation and mapping.

February 5, 1980 R.D. Bradley Main Dam: Faults A6, C2, F5, Gl, G2, G3, H, and I.

February 14 6 15, J.R. Harris Main Dam: foundation and maps; 1980 Faults A6, C2, F5, Gl, G2, G3, H and I. Spillway: features 1 and 2, Fault F4,'Spillway Ogee found-ation.

October 9, 1980 J.R. Harris Main Dam Spillway Faults Jl and J2 5.0 GEOLOGY

GEOLOGY 5.1 Geologic Setting The Shearon Harris site is located in the Piedmont Plateau physiographic province. Most of tPis province is underlain by igneous and metamorphic rocks ranging in age from late Precambrian to late Paleozoic, except for several northeast trending linear basins which are filled with Triassic sediments.

The power plant, Auxiliary Dam, Auxiliary Separating Dike, and the four channels are all located within )he Deep River Triassic Basin, II a northeast trending structural and topographic basin in the Piedmont Plateau. This basin is almost 100 miles long and 5 V I to 20 miles wide.

~

It extends g ~ I I I I VVV(.

from near Oxford

" I

" ',V 4 V '4. I 4 in Granville County, southwestward to Moore County, 10 miles southwest of Carthage.

It is filled by a complex wedge-shaped block of Triassic rocks consisting mostly of claystone, shale, siltstone, sandstone, and conglomerate. These sedimentary rocks are intruded in places by diabase dikes and sills of Triassic-Jurassic age.

The Deep River Basin is bounded on the southeast by the Jonesboro Fault, a I

northeast-trending diagonal slip fault with a vertical displacement of 8,000 to 10,000 feet and an unknown component of right-lateral displacement. The fault forms the contact between the Triassic sedimentary rocks and the older igneous and metamorphic rocks of the Piedmont Plateau. The closest proximity of the Jonesboro Fault to the power plant is about 4 miles to the southeast of the plant. This fault is inactive, as it is covered in places by undis-turbed sediments of Cretaceous age.

The Main Dam is located approximately 3,000 feet southeast of the Jonesboro Fault in an area of pre-Triassic crystalline rocks (Figure 1). These rocks are mostly greenschist-grade metavolcanic rocks and amphibolite-grade gneisses and schists of late Precambrian and early Paleozoic age.

5.2 Crystalline Rocks of the Main Dam The Main Dam and its spillway are founded on crystalline rocks located south-east of the Jonesboro Fault (Figure 1). As exposed in the excavations, these rocks are generally hard, strong, and fresh to moderately weathered. Four main types of rock were distinguished for the purpose of foundation mapping.

These are (1) granite, (2) hornblende-mica gneiss (3) mica schist, and (4) layered quartz-feldspar gneiss as shown in Figures 2 through 6.

5.2.1 Granite Rocks of granitic composition are most common; they underlie most of the left abutment of the Main Dam, most of the upstream part of the diversion conduit, and a major part of the spillway. These rocks are typically hard to very hard, strong, and medium-grained. They are composed predominantly of feldspar (orthoclase and plagioclase) and quartz, with minor amounts of biotite, chlorite, muscovite, and pyrite. They are light gray when fresh, creamy white when slightly weathered, and tan or buff when moderately to PHOTO 2 Granite in Main Dam Diversion Conduit Wall with Schist Interlayer

~a highly weathered. The granites are commonly foliated, although foliation is weak or absent in places. In many places they are interlayered with intricately folded mica-schist and/or hornblende-mica gneiss (See Photo 2).

Xenoliths of hornblende gneiss occur'n the granite, especially where foliation is weak or absent. Much of .the highly foliated granite appears to contain indistinct compositional layering.

5.2.2 Hornblende-Mica Gneiss Hornblende-mica gneiss is the second most common rock type in the foundation.

It underlies much of the right abutment of the dam, the downstream part of the .diversion conduit, and most of the downstream part of the spillway. The hornblende-mica gneiss is a hard, strong, medium-to fine-grained rock com-posed of hornblende with subordinate amounts bf plagioclase and biotite It is gray C

(Photo 3). Chlorite and pyrite are common accessory minerals.

to black when fresh, bluish or greenish gray when slightly weathered, and rusty brown when moderately weathered.

5.2.3 Mica Schist Mica schist occurs as complexly folded layers 0.01 to 10 feet thick within the granite and as thin layers along joint surfaces within the hornblende-mica gneiss. During excavation, rock .tended to break along these schist layers, resulting in wide exposures of the schist in areas where the layers are horizontal or near horizontal. The schist is soft to moderately hard, weak to moderately strong, moderately weathered, fine grained, highly PHOTO 3 Hornblende Gneiss in Main Dam Spillway

fissile, and composed predominantly of chlorite, biotite;- and amphibole.

Some schist layers contain abundant quartz.

5.2.4 Layered Quartz-Feldspar. Gneiss Layered quartz-feldspar gneiss occurs in the central section. of the Main Dam core trench, and in a small area at the intersection of the Main Dam core trench and the diversion conduits, and in part of the spillway. This rock is light gray to dark brown, fine to medium grained, moderately hard, I

moderately strong, and slightly to moderately weathered. It is characterized by intimate interlayering of gneissic rock composed mostly of quartz and I

feldspar with schistose rock composed of biotite and muscovite or, less commonly, hornblende and mica. Individual layers are from 0.01 to 3 feet thick.~ A micaceous, quartz-rich variety containing a few schistose layers is present in the spillway area. ~ The higher quartz content of the gneiss

'distinguishes it from rocks mapped as granite.

Orientation of foliation and compositional layering in rocks of the Main Dam area is highly variable due to the highly complex nature of the folding which these rocks have undergone. Folding is most apparent in the layered quartz-feldspar gneiss and in mica-schist and hornblende-mica gneiss layers in the granite. These rocks appear to have undergone several periods of folding with isoclinal folding predominating. In most places, the foliation is parallel or subparallel'o the compositional layering. Northeast strike directions and northwest dip directions predominate. Foliation striking north-northwest and dipping southwest is also present in places, but is much less common.

Joints are most common in the granite and in the hornblende-mica gneiss.

Thc domiiuint jojnt set strikes approximately N60 -70 E and dips 50o to 70 to the south. Another set strikes N20 35 W and dips 70 and 90 south-west. Most joints are tight, although a few are filled with clay. Several seeps were encountered along joints in lowest part of the core trench and diversion conduit. They flowed at a rate less than 1 gpm, and most were stopped by grouting. Seepage along joints which were too tight to accept grout will drain into the dam's filter.

5.3 Unusual Foundation Features and Faults In accordance with established CP&L procedures, unusual features and suspected faults encountered in the foundations were promptly reported to the NRC staff along with submission. of a tentative evaluation of the "capability" of the feature. This was followed by an investigation of each feature which was documented by detailed geologic mapping, photography, and, if appropriate, other investigative methods such as petrographic analysis. None of these features were covered by construction until they had been inspected by the NRC staff and judged by them to be "non-capable" based on their inspection and their evaluation of the investigation results.

During mapping at 'the Main Dam, 30 features were reported to the NRC of which 24 were determined to be faults. Most of these faults were only a few tens of feet long with only several inches of displacement. Several schistose zones which pass through the foundation were also reported and investigated. All but one of the reported features were encountered in the right abutment and spillway area, as shown on the included geologic maps.

Table 2 lists locations of the features with dates of the reports. The written reports on these features are presented to the NRC are included in Volume 2 of this report.

Regardless of the type of feature, it was documented that any fault move-ments occurred prior to or during deformation-mineralization processes which terminated more than 225 million years ago. Thus, none of the features affect the safety of the structures or are. "capable" faults as that term is defined 'in Appendix A to 10CRF100.

5.4 Sedimentary Rocks of the Power Plant, Auxiliary Dam, Auxiliary Separating Dike, Channels and Other Related Structures All of these structures are founded on gently dipping, well consolidated sediments which belong to the lower part of the Triassic Sanford Formation.

The .bedrock is sandstone, siltstone, and shaly siltstone. These rocks con-sist mostly of alluvial fan, stream channel and floodplain deposits and are characterized by abrupt changes in composition and texture both laterally and vertically. The thickness of the beds range from a few inches to a maximum of 15-20 feet. Despite the variations in composition and texture, rock masses show no structural weakness. At the project location these sedimentary units strike 0 -15 0 o -17 0 to the south-N5 E and dip ranging from 9 east.

Several north-to-northwest trending, near vertical diabase dikes of Triassic-Jurassic age have intruded the Triassic bedrock in the site vicinity. Bed-

TABLE 2 MAIN DAM FOUNDATION FEATURES AND FAULTS Report to NRC NRC Feature/Fault Location Initial Written Ins ection Deformational Spillway 12/8/77 12/15/77 12/14/77 Feature Sta 15+41 Schistose Zone Conduit 9/19/78 10/17/78 9/19/78 Sta 2+55 Fault A Core Trench 11/9/78 11/29/78 12/8/78 Sta 3+10 Fault Group B Core Trench 11/16/78 11/29/78 12/8/78 Sta 3+10 Fault C Core Trench 11/16/78 1/24/79 12/8/78 Sta 3+60 Fault Group D Core Trench 12/1/78 1/24/79 12/8/78 Sta 3+32 Fault A2 Core Trench 12/8/78 1/24/79 12/8/78 Sta 3+00 1/19/79 3/30/79 1/30/79 4/11/79 Fault A3 Core Trench 11/16/78 1/24/79 12/8/78 Wall 1/30/79 Sta 3+40 Fault A4 Core Trench 1/26/79 3/30/79 1/30/79 Sta 2+87 Fault E Core Trench 1/26/79 3/30/79 1/30/79 Sta 2+45 Fault F Core Trench 1/30/79 3/30/79 . 1/30/79 Sta 2+03 Fault G ~

Core Trench 1/30/79 3/30/79 1/30/79 Sta 1+97 Fault F2 Core Trench 2/2/79 3/30/79 4/11/79 Sta 2+04

TABLE 2 (continued)

NRC Feature/Fault Location Initial Written Ins ection Gneiss Layer 63 Core Trench 1/30/79 2/2/79 1/30/79 6 Schistose Zone Sta 3+60 to 82 2+90 Fault A5 Core Trench 2/12/79 3/30/79 4/11/79

'C Sta 2+23 Fault F3 Diversion 4/10/79 6/6/79 4/10/79 Conduit West Wall Sta 5+48 Schist Layer Core Trench 4/18/79 6/6/79 4/17/79 Sta 11+52 5/23/79 Fault F4* Spillway 12/20/78 3/20/80 1/30/79 Sta 11+90 2/15/80 Spillway +* Spillway 12/20/78 3/20/80 1/30/79 Peature 1 Sta 11+59, 2/15/80 Spillway **~ Spillway 12/20/78 3/20/80 1/30/79 Feature 2 Sta 12+02 2/15/80 Fault A6 Core Trench 1/29/80 3/20/80 2/15/80 Sta 1+89 Fault C2 Core Trench 1/31/80 3/20/80 2/15/80 Sta 1+62 Fault F5 Core Trench 1/31/80 3/20/80 2/15/80 Sta 1+74 Fault Group G Core Trench 1/29/80 3/20/80. 2/15/80 Sta 1+87 Fault G2 Core Trench 1/29/80 3/20/80 2/15/80 Sta 1+57 Fault G3 Core Trench 1/29/80 3/20/80 2/15/80 Sta 1+57 Fault fl Core Trench 1/29/80 3/20/80 2/15/80 Sta 1+85 Fault I Core Trench 1/29/80 3/20/80 2/15/80 Sta 1+58 TABLE 2 (continued)

\ NRC Feature/Fault Location Initial Writthn Ins ection Faults Jl & J2 Spillway 10/7/80 10/27/80 10/9/80 Sta 14+47

& 14+57

Previously reported as spillway offset at Sta 12+02

- Previously reported as spillway offset at Sta ll+70

>>*>> Previously reported as spillway offset at Sta 12+10 rock adjacent to the dikes is commonly baked to a dark gray or black color.

Most dikes are deeply weathered to a mixture of orange clay and round cobbles of residual diabase. Although several of these dikes were encountered in the channels near the plant, none were found in the foundations of the power plant, Auxiliary Dam, or Auxiliary Separating Dike.

The soils in the area of the power plant and Auxiliary Reservoir are primarily residual and are derived from the underlying Triassic sedimentary rocks and diabase dikes. The soil ranges from 0 to 15 feet thick, but it is commonly between 5 and 10 feet thick. Most residual soil is silty clay and its perme-ability is generally extremely low, resulting in rapid precipitation run-off.

Four major lithologic units were identified as mappable units in the found-ations of the power plant, Auxiliary Dike, and Auxiliary Separating Dike.

These are. (1) medium to coarse-grained sandstone', (2) fine to medium-grained sandstone, (3) siltstone, and (4) shaly siltstone (Photo 4).

5.4.1 Coarse Grained Sandstone Two types of medium to coarse-grained sandstone are present; the more common is light gray to'ight brown, arkosic and conglomeratic; the less common is chocolate brown with abundant silt and clay in the matrix. Clast size ranges from medium sand to 3/4-inch angular to subrounded pebbles. Quartz, feldspar and metamorphic lithic fragments comprise the clasts. The abrupt lateral and vertical changes from coarse sandstone to other lithologic types, the trough-shaped cross sections of the beds, and the presence of PHOTO 4 Sandstone-Siltstone in North Wall of Plant Intake Structure basal lag gravels indicate that many of the coarse sandstones consist of river channel deposits. Rocks of this unit are more resistant to weather-ing than those of other units and are generally fresh to slightly weathered when exposed in the foundations. The coarse sandstone is massive in some places, but is prominently jointed in'others. It is sporadically fossil-iferous, containing coal and bone fragments in places.

5.4.2 Fine-Grained Sandstone The fine to medium-grained sandstone is typically chocolate brown. It is composed of subangular to subrounded quartz grains with a clay and silt matrix, and is generally fresh to moderately weathered when exposed in the foundations. It is commonly massive with prominent joints. It has gradational contacts with siltstone and medium to coarse-grained sandstone.

5.4.3

~ ~ Siltstone The siltstone ranges from chocolate or purplish brown to bluish or greenish-gray. Most of it is either pebbly, sandy or shaly. Mottling's extremely common. The pebbly variety is generally chocolate brown with light gray, irregular, claystone-siltstone pebbles. A complete gradation exists between the siltstone and the shaly siltstone. Joints are prominent and are present in most areas. When exposed in the foundations the siltstone is slightly to moderately weathered in most places.

5.4.4 Shaly Siltstone The shaly siltstone is chocolate to dark brown, purple, green, or gray. It is composed predominently of silt and clay. However, like the siltstone described above, it is sandy and/or pebbly in places. It occurs as massive, poorly bedded layers which range in thickness from several feet to less than 1/2 inch, and commonly forms thin laminae separating beds of other rock types. The most distinguishing characteristic of the shaly siltstone is its susceptibility to slaking.

Joints are most prominent in the sandstones and siltstones; they are barely visible and,rarely mappable in the shaly siltstone unit. Three joint sets are present. The two dominant sets are approximately vertical, one striking N40 50 E and the other N20 30 W. A third set strikes north-northwest and dips 55 to 70 to the southwest. Most of the joints are tight and do not extend vertically for more than a few feet. Some joints which were observed during the inspection and mapping, mostly at the power plant exca-vation, extended vertically as much as 10-15 feet and were opened up due to blasting. Joint surfaces were generally clean with a few having a very thin grayish-green clay filling.

Some minor seeps were observed along bedding planes and joints. Those at the plant were seasonal with flow rates too low to measure. Those at the Auxiliary Dam generally flowed at a rate of less than 1 gpm.

A minor fault, the Site Fault, was encountered during excavation of the plant foundation.. This fault was exposed and mapped in the foundation of the Waste-Processing Building (Figure 7) and in the foundation of the Auxiliary Dam at Station 4+23 (Figure 8). The fault strikes nearly east-west across the plant and Auxili'ary Reservoir area. The fault surface is somewhat undulatory with dips ranging from vertical to 55 southward. The south side of the fault is down thrown,'ith a vertical component of movement between 80 and 100 feet. Maximum horizontal offset could not be determined, although offset of dikes intruded during the period of movement are offset by an amount ranging from a minimum of one-half foot to a maximum of 13 feet.

Drag folding of Triassic beds is present on the hanging wall of the fault.

A detailed investigation of this fault, described in the "Shearon Harris Fault Investigation Report", determined that the fault is a minor tensional fault whose last movement was prior to 150 million years ago. No other significant structural features were found.

6.0 EXCAVATION and SURFACE TREATMENT 6.0 EXCAVATION AND SURFACE TREATMENT Foundations for the plant, Main Dam, Auxiliary Dam, Auxiliary Separating Dike and the four channels (Auxiliary Reservoir'Channel, Emergency Service

%later Intake and Discharge channels, and cooling tower make-up water intake channel) and other related structures were excavated and treated in accord-ance with specifications CAR-SH-CH-4 and CAR-SH-CH-8 (FSAR Appendix 2.5.I) .

6.1 Main Dam Main Dam Construction activities in the Main Dam area began with excavation of a segment of the spillway to allow early relocation of the bridge for the Norfolk Southern Railroad. At the dam site, a diversion channel was q excavated immediately northeast of the existing Buckhorn Creek bed, the creek flow was diverted through it, and cofferdams were then constructed adjacent to the diverted creek. Next, the foundation of the diversion conduits was excavated, cleaned, and geologically mapped. The diversion conduits were constructed, the cofferdam was removed and the creek re-diverted through the conduits. Finally, excavation of the remainder of the core trench, the dam shell, and spillway were excavated.

The foundation of the Main Dam was excavated to weathered rock (defined as "material which cannot be removed on a production basis with the blade of a D-8 tractor-dozer"). Several high "knobs" in the right abutment and at one location in the left abutment were removed by light blasting. The foundations of the core trench, the diversion conduits, and,the spillway were excavated to design grade or at least to suitable rock (defined as "the rock material that cannot be. removed on a production basis with a single-tooth ripper of a D-8 tractor or equivalent" ).

After initial excavation was complete in the diversion conduits, core trench, and spillway floor and walls, the foundations of the seismic Category I structures (i.e., areas to be mapped at a scale of 1 inch to 10 Eeet) were mucked out by a front end loader. Ramaining loose materials were cleaned using a Gradall, hand tools, and compressed air or compressed-air-water jets. Loose blocks were removed by picks or by barring and wedging, and small pockets of mud were cleaned out using trowels and shovels, see Photo

5. In general, a 50-foot reach of core trench was cleaned at a time, although on occasion a 100-foot segment would be cleaned.

After a reach was cleaned, a survey crew laid out a pattern of grid marks on 10-foot centers in preparation for mapping by a qualified geologist (see Photo 6). Compositional layers, joints, fractures, faults, veins, and other mappable features in the foundation were located with respect to the grid marks by measuring with a tape. Attitudes of planar features such as joints and foliation were mapped measured with a Brunton compass. All features were mapped at a scale of 1 inch to 10 feet as presented on Figures 2, 3, and 4.

Areas containing faults or other anomalous features or requiring special detail were mapped on a scale of 1 inch to 5 feet as shown in Volume 2.

Foundation areas not mapped in plan at a scale of 1 inch to 10 feet, such as the rockfill foundation were mapped at a scale of 1 inch to 50 feet after these areas were cleaned with a bulldozer blade and, as necessary, a PHOTO 6 Hand Cleaning of Main Dam Core Foundation

<<35>>

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I M j PHOTO 6 Geologic Mapping in Main Dam Spillway

Gradall and a grid was surveyed on 25 or 50-foot centers. The embankment foundation is shown on Figure 6. As mapping of each reach of the foundation was completed, photographs were made of the foundation surface and are now maintained in CP&L files.

After. mapping of the core trench foundation was completed, open joints and fractures were slush grouted as required. Consolidation holes and curtain holes were drilled and grouted in accordance with specification CAR-SH-CH-11.

Finally, after further clean-up by hand and compressed air and/or water jets, dental concrete was placed to provide a smooth surface and to achieve the specified maximum 1/2:1 foundation slope (see photo 7). In areas in which the rock surface was extremely uneven, placement of dental concrete preceeded drilling and grouting activities to aid mobilization of equipment.

6.2 Power Plant Excavation for the Shearon Harris Plant structures was started in 1974 halted from 1974 to 1977, and continued to completion in 1979.

The plant excavation includes the foundations for the waste processing build-ing, four turbine generator buildings, fuel handling buildings, four reactor auxiliary buildings, four containment buildings, and four tank buildings, (Figures 7 and 9). It has a maximum lateral extent of approximately 925 ft.

in the north-south direction and 990 ft in the east-west direction, and encompasses a total area of approximately 837,500 sq ft. Floor elevations of the various levels within the excavation range from elevation 234 ft to PHOTO 7 Placement of Dental Concrete in Main Dam Core Trench

elevation 179 ft.~ The total volume of the excavation is approximately 1,200,000 cubic yards. ~

Plant excavation began with the leveling of the ground surface in the plant area to elevation 260 ft. Depressions in the surface outside the plant island were brought up to grade with random fillconsisting of local sedimen-tary rock material and residual soils. Structure foundations were excavated to ripper refusal by common excavation using bulldozers and scrapers. The excavation was completed to final grade by controlled blasting in successive lifts and by using power shovels and backhoes to load the excavated and blasted rocks onto trucks for removal up through an access ramp cut at the south end of the excavation.

Slopes were excavated through the overburden at 1:1. Slopes in bedrock were excavated at 1:4. Rock slopes were shaped by presplitting in accordance with specifications which did not permit heavy blasting closer than 3 feet to the rock which forms the final foundation of concrete structures. Pre-splitting did not completely preserve the rock surface of the slopes, especially in the west wall of the excavation, because adverse jointing across bedding planes, which dipped toward the excavation allowed small blocks to slide down bedding planes, toward the excavation. The situation was somewhat aggravated during the period from late 1974 to early 1977 when excavation was halted. All loose blocks of rock were removed when excava-tion work was resumed.

Weathering of fine-grained rocks exposed in the excavation during the period of project delay did not exceed several inches below the exposed surface. The surface layer formed by the uppermost disintegrated rock tended to protect the underlying material from further rapid advance of the weathering process.

However, weathering along natural joints, fractures, and bedding planes in the fine-grained rocks necessitated some additional excavation of foundation areas to assure adequate intact condition of the rock prior to placement of the concrete seal coat. The excavated rock was replaced by equivalent concrete so that the stability of structures founded on the rock was not affected.

Treatment methods used for foundation protection after excavation included slush grouting, shotcreting, and placement of vertical and horizontal drain pipes as well as placement of seal coating.

Following final excavation, open joints and fractures, including those due to blasting, were filled with slush grout and the surface was covered with a thin coating of Class F mortar. Then protective concrete seal mat or, in certain instances, foundation structural concrete mat was placed over com-pleted foundation surfaces. Walls of the excavations were protected by spraying shotcrete on meshwire. Drain pipes were placed at the location of seeps and other necessary places to prevent excessive hydraulic build-up (see Photo 8). In Units 3 and 4, a vertical mat was formed and poured with concrete to protect the walls.

During construction, a geologist resided at the site throughout the cleanup of the excavated surfaces to assure that structure foundations were prepared in accordance with applicable design and specification requirements and to document the foundation conditions by preparing a geologic map. The area geologist inspected all cleaned areas, made recommendations for any necessary remedial action and approved all surfaces prior to concrete placement.

PHOTO 8 Drainpipes in Wall of Plant Excavation Prior to geologic mapping, all loose materials were removed from the excavated surfaces by backhoe, Gradall, hand tools, and air lances (see photo 9). Then a mapping grid established by a survey team and the geologic map was then made of the surveyed segment at a scale of 1 inch to 10 feet, as shown in Figures 7 and 9.

6.3 Auxiliary Dam The foundation for the transition filter and the random rockfill for the Auxiliary Dam was excavated to weathered. rock. The foundations for the clay core (including cut-off trench) and the Seismic Category I structures of the spillway were excavated to suitable rock to design grade. After initial stripping and ripping of the cut-off trench and spillway by a bull-dozer, final grade for the spillway, was achieved by controlled blasting in successive rock lifts. A total of 402,000 cubic yards of material were removed form the cutoff trench and 559,000 cubic yards from the spillway area.

Following completion of initial excavation for the cut-off trench and the foundations for Seismic Category Class I spillway structures, these areas were mucked out with a Gradall, blown with air lances, and hand cleaned prior to mapping (photo 10). Cleaning proceeded in 50 to 100-foot reaches.

After thorough cleaning of each reach of foundation, it was gridded on 10-foot centers by surveyors and mapped by a qualified geologist at a scale of 1 inch to 10 feet. The core trench walls in the vicinity of the Site Fault were also mapped at a scale of 1 inch to 10 feet. Photographs were made of the foundation surfaces after mapping was complete. The geologic map of these foundation areas is shown in Figure 8.

PHOTO 9 Final Clean-up of Foundation in Power Block Excavation I-F 4

~F FF PHOTO 10 Hand Cleaning of Auxiliary Dam Foundation 44-

Foundations for the remaining areas of the clay core, outside of the cut-off trench, spillway and the foundation for the dam's transition filter and random rockfill were excavated by a bulldozer 'and Gradall to weathered or firm residual soil, and mapped at a scale of 1 inch to 50 feet. The geologic map of these 'areas is shown in Figure 10.

Methods used for foundation treatment for the Auxiliary Dam and spillway were generally the same as those described for the Main Dam.

The Site Fault, exposed as anticipated at Station 4+23, was the only unusual feature encountered during excavation. This fault was demonstrated to be non-capable after an extensive investigation which is described in the Shearon Harris Fault Investigation Report and the Shearon Harris FSAR. The fault was treated by a special grout pattern, as discussed in subsection 7.3.2. ~ ~ ~

6.4 Auxiliary Separating Dike The foundation of the Auxiliary Reservoir Separating Dike was excavated to firm residual soil, as required by specifications, in the shallower parts of the excavation, and to ~eathered rock in the deeper parts. After excavation, the foundation surface was cleaned by a bulldozer, mapped geo-logically at a scale of 1 inch to 50 feet, and then photographed. No faults or other unusual features were observed and no foundation treatment was required. A geologic map and section of the Auxiliary Reservoir Separating Dike foundation is shown in Figure 11.

6.5 Channels Each of the four channels was excavated to design grade and slope by scrpers and dozers with rippers. Shallow blasting was required in portions of these channels.. The channel excavations were inspected by a qualified geo-logist; no geologic mapping of the excavations was required. Diabase dikes were exposed at three locations in the Emergency Service Water Intake Channel.

Concrete protection of the inverts and walls of the channel was provided at the dike locations.

6.6 Structures Outside of the Plant Excavation Excavation for five structures outside of the plant excavation was begun in 1979 and completed in 1980. These structures include: 2 diesel generating buildings, the diesel fuel oil storage tank building, the emergency service water screen structure, the emergency service water system intake structure, and the emergency service water system discharge structure. The foundations areas of these structures were stripped by scrapers, ripped by dozers, and blasted as. needed to the design grade.

All of the foundations were mapped at a scale of 1 inch equals 10 feet. The location and geologic map of the foundations are shown in Figure 9.

7.0 FOUNDATION GROUTING 7.0 FOUNDATION GROUTING Grouting in the cut-off trenches at both dams was completed with neat cement in accordance with specification CAR-SH-CH-11. Consolidation holes were drilled to 20-foot depths on 10-foot centers as specified on Drawings CAR-2167, G-6246 and G-6274 (Photo 11). Primary curtain holes were cored and logged to 50-foot depths on 40-foot centers, staggered 5 to 10 feet off the centerline of the dams. Secondary curtain holes without core recovery were drilled along the centerline between the primary holes. All primary and secondary curtain holes were water pressure tested in five stages and then grouted in three stages. Consolidation holes were water pressure tested as needed and grouted in one stage as required. Check holes were drilled and grouted for both consolidation"a'nd the curtain grouting programs as re-quired to assure an adequate foundation and cut-off for the structures.

All holes were backfilled when grouting of an area was completed. As anticipated, grout takes at both dams were, with few exceptions, very low.

Most of these exceptions were caused by surface leakage.

Grouting was begun during the fall of 1978 and continued intermittently through the winter of 1981. Grouting at the Auxiliary Dam was completed-in mid-August, 1979 and at the Main Dam in January 1981. Grouting on both dams was performed by the Layne-New York Company, Inc. with the exception of the right end of the Main Dam core trench where 7 holes were drilled by percussion and grouted by Law Engineering Testing Company.

PHOTO 11 Rotary Drilling of Consolidation Grout Holes at Auxiliary DanI

7.1 Personnel and Equipment The overall grouting operations were supervised by qualified Ebasco geologists for the owner. Up to six inspectors monitored the contractor's work and kept records. The contractor's maximum crew consisted of two supervisors, two foremen, four operators, one mechanic and six laborers.

Consolidation holes, secondary curtain holes, and check holes at the Auxiliary Dam were drilled using three Model 250 Ingersol-Rand air tracks on which the contractor mounted CP-65 drills. EX drill rods of 1 3/8-inch outside diameter were used with AX diamond bits. At the Main Dam, all except primary, curtain holes were drilled by one Ingersol-Rand and one Gardner-Denver air track percussion drills (Photo 12). At both dams, a C-50 Ingersol-Rand jackhammer was used for setting nipples. Primary curtain holes were core drilled with CME-50, Mobil B-30, Mobil B-56 and Joy D-12 rigs using an NX diamond bit, w'ireline, and double tube core barrel (photo 13). Cores were logged, photographed (photo 14) and stored at a storage building on site.

The contractor operated up to four grout plants. Grout was mixed in high speed centrifugal mixers. Two Acker grout plants, each had a 10-cubic foot mixing capability, a 12 cubic foot agitator capacity, and were equipped with L-2-6 Moyno pumps (photo 15). The third grout plant had a mixer and an agitator, each of 18 cubic foot capacity and L-3-8 Moyno pumps (photo 16).

The fourth grout plant had a 12 cubic foot mixer, a 16 cubic foot agitator, and an L-36-6 Moyno pump. Rockwell water flow meters, and Ametek pressure gauges, both calibrated by the owner, were used for water pressure testing and grouting operations.

PHOTO 12 Percussion Drilling at Main Dam

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PHOTO 15 "Acker" Grout Plant PHOTO 16 "Colcrete" Grout Plant at Auxiliary Dam

In addition, the contractor used a 1200 cubic foot Gardner-Denver air com-pressor, and a L-10 water pump with a L-6 water pump as a back up. The contractor also provided a number of EX, AX and NX pneumatic and mechanical packers.

Water used for washing and grouting operations was tested by the contractor and was found to meet specified requirements. Portland cement was certified by the manufacturer as meeting the criteria set forth in specification CAR-SH-CH-11. No sand, bentonite or chemical additives were used in the grout mixes.

7.2 General Procedures As noted previously, all drilling and grouting procedures were done in accord-ance with Ebasco specification CAR-SH-CH-11 and CPGL work procedures TP-31.

In case of any conflict between these, the specification governed.

Two or more rows of consolidation holes, 20 feet deep, were spaced on a 10-foot grid as prescribed by design drawings CAR-2167, G-2646 and,G-6274.

Angle holes were assigned at the discretion of the qualified geologist to intercept prominent joints, although virtually all of the holes at the Auxiliary Dam were vertical to intercept bedding and jointing. Vertical joints at the Auxiliary Dam were no more than a few feet deep and cut the bedding planes. Fifty-foot-deep primary curtain holes were drilled every 40 feet, alternating 5 to 10 feet upstream and downstream of the center-line. Fifty-foot-deep secondary curtain holes were split spaced along the centerline between each primary hole. Tertiary and quaternary holes were split spaced as required., Figures 12 through 15 illustrate the location of all curtain and consolidation holes with respect to the dams.

Prior to drilling, threaded grout nipples, 22 inches long with a 2 or 2 1/2 inch diameter (4-inch diameter for primary curtain holes), were set into the rock or dental concrete using neat cement.

At the 'Hain Dam this procedure was later modified to allow setting the nipples after percussion drilling because of difficulties of inserting drill bits into the nipples due to the irregular rock surface.

Each hole was thoroughly washed within 48 hours5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months prior to grouting. All curtain holes were pressure tested in five stages; 40 to 50 feet at 40 psi, 30 to 50 feet at 30 psi, 20 td 50 feet at 20 psi, 10 to 50 feet at 10 psi, and 0-50 feet at 5 psi. Selected consolidation holes were pressure tested in one stage at 5 psi, at the discretion of the site geologist.

Consolidation holes were normally grouted in one stage using an initial mix of 6:1 (six cubic feet of water to one cubic foot of cement (photo 17). In some instances, an initial mix of 4:1 was used. If necessary, the grout mix was gradually thickened to a maximum of 1:1. During consolidation grouting, excessive surface leakage was the major cause of some high rates of "grout take", especially at the Auxiliary Dam. Surface leakage was controlled by caulking with wooden wedges, oakum, burlap, thickening the r

mix, and in 0

some cases, by placement of dental concrete. To prevent

PHOTO 17 Monitoring Grout Header at Auxiliary Darn but in all cases refusal was obtained at the specified pressure. When the rock surface was decomposed, contributing to the leakage problem, grouting was done using a packer set 1 to 3 feet below the surface instead of hooking up to the nipple. After the completion of grouting, and prior to placement of impervious embankment, such surface rock was removed. In a few other cases where surface leakage occurred in essentially sound rock, a packer was set 5 to 8 feet below the surface and the bottom of the hole was grouted as usual. The packer was then moved to the top of, the hole and the hole was grouted using a thicker mix to control leakage.

Curtain holes were packer grouted, from the bottom up, in three stages: 30 to 50 feet, 15 to 50 feet, and 0-50 feet. The grouting pressure used for each stage was 30, 15, 7 psi, respectively. The initial mix for all curtain holes was 6:l.

The refusal criteria for both consolidation and curtain grout holes was a rate of grout take less than or equal to 0.5 bags of cement per hour sus-tained for a period of at /east 10 minutes at the maximum pressure for each stage. At least two check holes were assigned approximately five feet from any consolidation hole that took more than 10 bags of cement.

Additional curtain grout holes (tertiary and. quaternary holes) were drilled, washed, and grouted adjacent to any secondary or tertiary curtain hole for which the average grout take of any stage exceeded one bag of cement per 10'foot of hole. These check holes were drilled as deep as the stage which had the excessive grout take.

After grouting was completed, holes were backfilled with grout and the nipples cut off.

Throughout the drilling and grouting operations the core trenches of both dams were monitored for uplift. This was accomplished by setting a 2 1/2 inch diameter, 2 foot length of steel pipe with 6 to 10 inches of stick up, every 75 to 100 feet along the dam's centerline for use as an uplift gauge. These pipes were painted bright orange and protected from damage during equipment mobilization. The pipes were surveyed before, during and after the grouting of each reach. Particular attention was given to areas with high grout takes. The surveys revealed no uplift of the gauges. The minute, random v'ariations in elevation which were observed all fall within the measurement error of the survey.

7.3 Grouting Results 7.3.1 Main Dam The grouting results for both consolidation and curtain holes are summarized in Table 3. Figure 12 is the plan view of consolidation holes and Figure 13 is the plan view and the cross section of the curtain holes projected to the centerline of the dam. Logs of the primary curtain holes are presented in Volume 3. .Color sgides were taken and are stored in CP&L's Documentation Section at the plate site.

In general, the amount of grout injected into each hole was small. The average take for a consolidation hole was 0.02 bags of cement per foot drilled and for curtain holes was 0.03 bags of cement per foot drilled.

A total of 19,515 linear feet of consolidation holes and 5,253 linear feet of curtain holes were drilled. A total of 554 bags of cement were required for grouting,and 908 bags of cement for backfilling the holes. The maximum take was 37 bags in consolidation hole number 37E, and 36 bags in curtain hole number C3SD.

A few high grout takes were the result of surface leakage and movement of grout along joints and schistose zones. The generally small grout takes for this dam site suggests that most of the joints are tight or completely healed. Water pressure tests only were conducted for many of the consol-idation holes because of the large number of tight holes. Xn accordance with the specifications, holes whose, water pressure tests indicate water takes of less than 0.25 gallons per minute were backfilled but not grouted.

Some holes with low water take were grouted, however, these did not take any grout.

7.3.2 Auxiliary Dam Grouting results of both consolidation and curtain holes are summarized in Table 3. Figure 14 is the plan view of consolidation holes and Figure 15 is the plan view and the cross section of the curtain holes projected to the centerline of the dam. Logs of primary curtain holes are presented in Volume 3. Color slides of the cores were taken and stored in CP&L's Documentation Section at the plant site.

Generally, the amount of grout injected into the holes was small if there was no surface leakage. Grout travel was along the surficial joints and bedding planes in more competent rock. Where shaly siltstone was exposed, grout leakage was commonly encountered because the rock tended to decompose and slake when alternate wetting and drying occurred. Difficulties in caulking these areas was due to the nature of the rock and in some cases V

necessitated placement of dental concrete.

Because surface leakage was commonly encountered in the shaly siltstone at the Auxiliary Dam, water pressure testing of consolidation grout holes was not a'reliable indication of the grout take for a hole. Therefore, all but a few holes in each reach were grouted without being water pressure tested.

The area in which the Site Fault crossed the core trench was treated by a special grout pattern. As shown in Figure 15, six additional curtain holes were drilled and grouted" in the fault zone. Grout takes of these holes were small, as anticipated.

The average take for consolidation holes was 0.07 bags of cement per foot drilled and for curtain holes was 0.06 bags of cement per *foot drilled.

A total of 20,650 linear feet of consolidation holes and 11,980 linear feet of curtain holes were drilled. A total of 2,113 bags of cement were required for grouting and 539 bags of cement for backfilling the holes.

The maximum take was 99.8 bags in consolidation hole number 30A5 which was largely due to surface leakage and 25.0 bags in curtain hole number U104P.

TABLE 3

SUMMARY

OF FOUNDATION DRILLING AND GROUTING MAIN DAM Consolidation Groutin Drilling (Ft.) 19,515 Connections 373 Bags Injected 382 Bags Backfill 708 Bags Injected/Foot of Hole Drilled 0.02 Curtain Groutin Drilling (Ft.)

Primary Holes , 2,240 Secondary and Tertiary Holes 3,013 Connections 318 Bags Injected 172 Bags Backfill 200 Bags Injected/Foot of Hole Drilled 0.03 AUXILIARY DAM Consolidation Groutin Drilling (Ft.) 20,650 Connections, 1,033 Bags Injected 1,370 Bags Backfill 428 Bags Injected/Foot of Hole Drilled 0.07 Curtain Groutin Drilling (Ft.)

Primary Holes 5,150 Secondary Holes 47850 Tertiary and Quaternary Holes 1,980 Connections 721 Bags Injected 743 Bags Backfill 111 Bags Injected/Foot of Hole Drilled 0.06 8.0 RECORDS of DRILLING and GROUTING OPERATIONS

8.1 MAIN DAM CURTAIN GROUTING 0

EBASCO SER INCORPORATED RECORD OF DRILLIN GROUTING OPERATIONS Project: Shearon Harris Nuclear PowerPlant Feature: Curtain Groutin

~n 5am (CAR 1425.001 Sheet

. 2/4/80 1 of 9 Drawing No.:CAR 2167 G-DRILLING G ROUTING Angle of W/C Maximum Hole Depth in Hole from Date Depth Ifippie/ Date Bags Rate in Remarks Feet Horizontal Drilled G routed Packer G routed Injected Max. Min Max Min Bags / Hr.

Clp 50 60'W 7-50 acker 3/10/80 1.5 6:1 50 70 W 3/11/80 30-50 acker 3 ll 80 6.1 acker 3/ll/80 0.1 C2P 50 80 W 3/7/80 30-50 acker 3 10 80 0.1 30 30 15-50 acker 3/10/80 2.0 15 15 6:1 0-50 acker 3/ll/80 4.0 C S 85OW ll 1 8 0-65 acker 2/10/80 0.0 40 40 6:1 20-65 acker 2/10 80 0.0 20 20 0-65 acker 2/10/80 0.1 6 1 6:1 C3P 20 80 E 3/9/80 0-20 acker 3 10 80 1.0 C3S 60oW acker 12 1 15-50 acker 12 1 8 0-50 acker '

10 80 0 2 C3T 50 /0 W 12/15/8 30-50 acker 1 16 81 15-50 acker 1 16 81 0.6 0-50 acker 1/16/81 0.3 6:1 C3SC 50 80 W 11/14 8 0-50 acker 12 9 80 No tak e ercuss o .rx C3T C 50 90o 12/15/8 30-50 acker 1 16 8 0.1 15-50 acker 1 16 81 0-50 acker 1 16 81 0.2 C3SD 50 80OE 11 14 8 1 0-50 acker 12 9 80 C3TD 15-0-50 acke 1 C SA 50 s illwa 3/8/80 30-50 acker 3 9 80 0.1 S4P 50 7 80

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Main Darn (CAR 1425.001 Date:~2/4 80 Feature: Curtain Groutin Sheet lA of/

Drawing No.:CAR 2167 G-DRILLING G ROUTING Angle of W/C Maximum Hole Depth in Hole from Date Depth ffippie/ Date Bags Rate in Remarks Feet Horizontal Drilled Grouted Packer G routed Injected Min Min Bags/ Hr.

C3SB 50 pillwa 3 8 80 30-50 acker 3980 0.1 30 30 6:1 6:1 0.9 64DW 15-50 acker 3/9/80 0.0 15 15 6 1 6 1 0 SSP

EBASCO SER S INCORPORATED RECORD OF DRILLIN GROUTING OPERATIONS te. 3/17/80 Project: Shearoo Harris Nuclear Power~Pleat gin Dam 1CAR 1420001 j Feature Groutin Sheet 2 of 9 Drawing No.:CAR 2167 G-G ROUTING Angle of Pressure W/C Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled G routed Packer G routed injected Max. Min Max Min Bags / Hr.

50 s illwa 3 8 80 30-50 acker 3/9/80 0.2 30 30 6:1 6:1 1.8 wa 8 8 cker 3 1080 0.0 30 30 6:1 6:1 10 80 0.0 15 15 6:1 6:1 0 6:1 6t1 0.9 illwa 2 28 8 30-50 acker 3 7/80 0.1 30 30 6:1 6:1 0.6 45OE 15-50 acker 3/7/80 0.0 15 15 6:1 6:1 11 80 30-50 acker 3 1480 0.2 30 30 6:1 6:1 1.8

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EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant - Hain>> Dam CAR 1425.001 Date: 3/17/80 Feature: Cur tain:Groutin Sheet 3 of 9 Drawing No.:CAR 2167 G-D > ILLING GROUTING Pressure liV/C Maximum Hole Depth in Station Date Depth Nipple/ Date Bags Rate in Remarks Feet Number Drilled Grouted Packer G routed Injected Max. Min Max Min Bags / Hr.

Diip 50 1+25 3/4/80 0-50 acker 3 12 80 O.l 7 7 6 1 6:1 1.8 Clos 30-50 acker 3 17/80 30 30 6:1 6:1 0 15-50 acker 3 17 80 15 15 6:1 6:1 0 0-50 acker 3 17 80 0.1 7 7 6:1 6:1 0.9 U12P 50 2 28 80 30-50 acker 3 12 80 0.1 30 30 6:1 6:1 0.9 15-50 acker 3 12 80 0.0 15 15 6 1 6:1 0 0- 0 acker 3 12 80 0.0 6 1 6 1 17 8 6:1 6:1 0 C12S 50 2+25 4 24 79 30-50 acker 4 25 79 O.l 30 30 6:1 6:1 0.9 1 1 ~

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1 C14S 50 3+05 4 24 79 30-50 acker 4 24/79 2.2 30 30 6:1 6:1 7.2 15-50 acker 4 24 79 0.0 15 15 6:1 6:1 0.0 0-50 acker 42479 O.l 7 7 6:1 6:1 0.9 Ut T 50 3+15 25 7 30-50 acker 4 25 79 0.0 30 30 6:1 6:1 0.0 1 - 0 acker 4 25 79 0.0 15 15 6:1 6:i ':i 6:1

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0.0 0.0 0.

EBASCO SERV S INCORPORATED RECORD OF DRILLIN GROUTING OPERATIONS Project: earon Harris Nuclear Power Plant Hain Dam (CAR 1425.001) e 10/8/79 Feature: Curtain Groutin Sheet 4 of 9 Drawing No.:CAR 2167 G-DR II LING G ROUTING Pressure W/C Maximum Hole Depth In Station Date Depth Nipple/ Date Bags Rate in Remarks Feet 'Number . Drilled Grouted Packer G routed Injected Max. Min Max Min Bags / Hr.

U16P 50 3+25 41979 D17P 50 4 1 0- a er 4 20 0 1 cker 4247 00 6:1 6:1 0 0 Ulsp 54 4+05 111 7 acker ll 1 7 00 6'1 0 0 cker 1 79 0.0 15 15 6:1 6:1 0.45 er 0.2 6tl 6 1 0.9 cker 20 0 4 30 6'1 6'1 3.0 20 0.1 6'1 6:1 0.45 3'1 6.6 6:1 6:1 2.4 2 T 50 5+35 9/20/79 3v>> ac er 9 20 79 0.1 30

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant <<fain Darn (CAR 1425.001 Date: 10/0879 Feature,Cur tain "Groutin Sheet 5 of Drawing No.:CAR 2167 G-DRILL&g G ROUTING Pressure W/C Maximum Hole Depth in IS/a/+on Date Depth Nipple/ Date Bags Rate In Remarks F eet Numb er Drilled G routed Packer G routed Injected Min Max Min Bags / Hr.

D T 50 5+35 9/20/7 15-50 acker 9/20 79 0.5 15 15 6:1 6:1 1.2 0-50 acker 9/20/79 0.1 7 7 6 1 6:1 0.45 C20S 50 = 5+45 91979 30-50 acker 9 20 79 8.8 30 30 6 1 3:1 6.0 15-50 acker 9 20 79 0.1 15 15 6:1 6:1 0.45 0-50 acker 9 20 79 0.0 7 7 6:1 6:1 0.0 U20T 50 5+55 9 20 79 30-50 acker 9 20 79 0.2 30 30 6:1 6:1 0.45 acker 20 7 0.1 15 1 6:1 6:1 0.4 30 30 6.1 4:1 7.2 1 15 6:1 6:1 '.6 6:1 6 1 3 '

0 0 30 30 6:1 6:1 0.0 15 15 6:1 6:1 0.0 6 1 0 45 2 P 50 6+45 9 10 79 30-50 acker 9/17/79 0.4 30 30 6:1 6:1 1,8 acker 9 17 79 3.4 15 15 6:1 4:1 3.6 acker leaking, raised t

-50 acker 9 17 79 0.0 7 7 6:1 6:1 0.0 ll fe.

acker 9 19 79 0.1 30 30 6:1 6:1 0.45 1 7 0.0 15 15 6:1 6:1 0.0 r 1 79 0.1 7 7 6:1 6;1 0,45 14 7 0.5 30 30 6:1 6:1 1.8 1 7 0.5 15 15 6:1 6:1 1.8 1 7 0.1 7 7 6:1 6:1 0.9 30 30 6:1 6:1 0.0 0 0 15 15 6:1 6:1 0.0 7 7 6:1 6:1 0.0 30-50 acker 9/14 79 0.1 30 30 6:1 6:1 0.9 1 0 acker 9 14 79 .0 15 15 6:1 6:1 0.0 7 7 6:1 4:1 4.8

EBASCO SERV " INCORPORATED RECORD OF DRILLIN GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Hain Dam (CAR 1425.001 a:~10 8 79 Sheet 6 of Drawing No.:CAR 2167 G-

~ IL4IhlG GROUTING Pressure W/C Maximum Hole Depth in Station Date Depth Nipple/ Date Bags Rate in Remarks Number Drilled G routed Packer G routed Injected Max. Min Max Min Bags / Hr.

C25S 50 7+45 9/17/79 30-50 acker 9 18/79 0.1 30 30 6:1 6:1 0.45 15-50 acker 9/18 79 0.0 15 15 6:1 6:1 0.0 0-50 acker 9/18/79 0.0 6:1 6:1 0.0 D27P 50 7 65 8/29/79 30-50 acker 9/14 79 0.1 30 30 6:1 6:1 0.9 15-50 acker 9/14/79 0.1 15 15 6 el 6:1 0.45 0-50 acker 9/14/79 0.0 6:1 6:1 0.0 C26S 50 7+85 9 17 79 30-50 acker 9 18/79 0.2 30 30 6:1 6:1 0.45 15-50 acker 9 1879 0.0 15 15 6:1 6:1 0.0

- 0 acker 18 79 0.0 6:1 6:1 0.0 5 4

~

1 1.2

~

] 0 4 8 1 0 2 30 30 6:1 6:1 1.8 15-50 acker 8 31 79 0.0 15 15 6:1 6:1 0.0 0- 0 acker 8 31 79 0.0 6 1 6.1 0.0 D29P 50 8+45 81779 30-50 acker 8 24 79 0.1 30 30 6:1 6:1 0.45 15-50 acker 824 79 0.2 15 15 6e] 6:1 0.45 0- acker 824 79 0.0 6:1 6:1 0.0 28 8 28 3 -50 acker 8 31 79 0.1 30 30 6:1 6:1 0.45 6:1 6tl 3.0 cker 8 31 79 0.0 6:1 6:1 0.45 8 14 7 -50 acker 8 24 79 0.0 30 30 6:1 6:1 0.0 acker 82479 0.4 15 15 6:1 6:1 1.8 cker 82479 3.7 6:1 6:1 4.2 0 0 15 6:1 6:1 0.0 0.0 6:1 6 1 0.0 0 0 30 30 6 1 6 1 0.0 15 6:1 6 1 6.0 6 1 6:1 1.8 6 1 6 1 7.2 6.1 6:1 3.0 6:1 6:1 0.45 6.0 ]cake e araaed~aeker o 1

+45 8 28 79 30-50 acker

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant waist Darn (CAR-1425.001 0aee:1070879 Feature: Curtairt Qroutin

~ Sheet 7 of 9 Drawing No.:CAR 2167 G-DRILLING GROUTING Pressure W/C Maximum Hole Depth in Station Date Depth Nipple/ Date Bags Rate in Remarks Feet Number Drilled G routed Packer G routed Injected Max. Min Min Bags/ Hr.

C30S 50 9+45 8 28/79 15-50 acker 8 31/79 0.1 15 15 6;1- 6:1 0.45 0-50 acker 8/31/79 0.3 7 7 6:1 6:1 1.8 U32P 50 9+65 8/20 79 30-50 acker 8 24 79 0.0 30 30 6 1 6:1 0.0 15-50 acker 8 24 79 0.0 15 15 6:1 6t1 0.0 0-50 acker 8 24 79 0.7 7 7 6:1 6 1 6.0 C31S 50 9+85 9 10 79 30-50 acker 9 12 79 0.0 30 30 6:1 6:1 0.0 7 7 6.1 4 1 14.4 surface leaka e 0 30 6:1 6:1 0.9 6 1 6:1 0.45 6:1 0.0 24 7 3 0 acker 9 9 79 0.5 30 30 6 1 6 1 1.8 1-0 acker 9 9 79 0.0 15 15 6 1 6:1 0.0 0- 0 acker 9979 0.0 7 6:1 6:1 0.0 1 -30 acker 9 13 79 0.0 15 15 6:1 6:1 0.0 0 acker 9 13 79 0.0 7 7 6:1 6:1 0.0 12 79 0.1 30 30 6:1 6:1 0.9 1 0 acker 9 12 79 2.5 15 15 6:1 4:1 3.0

-40 acker 9 12 79 0.1 7 7 6 1 6t1 Oa45 1-0 acker 9 13 79 1.3 15 15 6:1 6:1 3.6 Leakage around acker acker 9 13 79 0.4 7 7 6 1 6:1 1.8 ker 9 9 79 0.2 30 30 61 61 1.8 acker 9 9 79 0.8 15 15 6:1 6:1 1.8 6 1 6:1 4.8 0 0 30 30 6t1 6:1 0.0 1 15 6:1 6:1 0.0 6'1 6' 0 45 1 0 30 30 6:1 6.1 2.4 1 1 6:1 6:1 6.0 6 3.6 6'1 6.1 15-50 acker 6.1 6.1 0.45

EBASCO SERV S INCORPORATED RECORD OF DRILLIN GROUTING OPERATIONS Project: hearon Harris Nuclear Power Plant Hairs. Dam (CAR 1425.001 e:~10 8 7 Feature: Cur<airs . Groutin Sheet 8 of Drawing No.:CAR 2167 G-DRILLING GROUTING Pressure WIC Maximum Hole Depth in Station Date Depth Nipple/ Date Bags Rate in Remarks Feet Number Drilled 6 routed Packer 6 routed Injected Max. Min Min Bags I Hr.

acker 9 13 79 0.2 7 7 6:1 6 1 1.8 12 4 79 0.0 7 7 6:1 6 1 0.0 6:1 6:1 1.2 acker 12 4 79 0.1 15 15 6:1 6:1 0.45 acker 12 4 79 0.1 7 7 6:1 6 1 0. 45 1 0 cker 11 28 7 15.9 30 30 6 1 3:1 8.4 11 2 7 0.1 15 15 6:1 6:1 0.45

~

1 6:1 0.45 U39T 50 12+95 12 4 79 30-50 acker 12 4 79 0.0 30 30 6:1 6:1 0.0 1 - 0 acker 12 4 79 0.0 15 15 6:1 6:1 0.0 12 7 0,0 7 7 6:1 6t1 0.0 6 1 6:1 0.45

~

] 6t1 0.45 6:1 6:1 0.0 6:1 6:1 0.0 5

C40S 0 1+ ac er

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Main Darn (CAR 1425.001 12/17/7 Feature: Curtain . Groutin Sheet ~9of Drawing No.:CAR 2167 G-DRILLING GROUTING Pressure W/C Maximum Hole Depth in Station Date Depth Nipple/ Date Bags Rate in Remarks Feet t umber Drilled G routed Packer G routed Injected Max. Min Max Min Bags / Hr.

4 S 13+4 ll 2 7 15-50 acker 12 4 79 0.4 15 15 6 1 6 1 0.45 acker 12 4 79 0.1 6:1 6 1 1.2 2P 3+6 ll 13 7 30-50 acker ll 29 7 0.0 30 30 6:1 6:.1 0.0 acker ll 2 7 0.0 15 15 6:1 6.1 0.0

~

1 6 1 0 0 a r12 0.0 30 30 6:1 6tl 0.0 r 12 0.0 15 6:1 6 1 0.0

~

] 6 1 0.0 0 0 30 30 6tl 6tl 0.0 15-50 acker 12 3 79 0.0 15 15 6 1 6'1 0.0 0-50 acker 12 3 79 0.0 6:1 6:1 0.0 11 2 acker ll 2 7 0.0 30 30 6:1 6:1 0.0 15-50 acker ll 29 7 0.0 15 15 6:1 6:1 0.0 0-50 acker ll 29 7 0.0 6:1 6 1 0.0 14+6 11 30 7 30- 0 acker 12 3 79 O.l 30 30 6~1 6:1 0.45 15- 0 acker 12 3 79 0.0 15 15 6:1 6:1 0.0 12 7 0.0 6 1 6 1 0.0 ker 11 2 7 0.1 30 30 6:1 6:1 0.45 kr ll 2 0 0 15 15 6 1 6:1 0.0 6.1 6:1 1.2 30 6:1 6 1 0.45

.0 6:1 6:1 0.0 6:1 6:1 0.45 6 1 1.2

~

1 2.4 11 30 7 30-50 acker 12 3 79 0.0 30 30 6:1 6:1 0,0 15-50 acker 12 3/79 O.l 15 15 6:1 6:1 0.45 0-50 acker 12/3 79 0.0 6'1 6'1 0.0

8.2 MAIN DAM CONSOLIDATION GROUTING EBASCO SERV S INCORPORATED RECORD OF DRILLIN GROUTING OPERATIONS Project: earon Harris Nuclear Power Plant Dam (CAR 1425.001 3//17 80 Feature: Consolidation Groutin Sheet 1 of 29 Drawing No.:CAR 2167 G-DR ILLIN G G ROUTING Angle of Pressure W/C Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled Grouted Packer G routed Injected Max. Min Min /

Bags Hr.

SG Packer ac r 0 acker oSE 1-29-80 0-25 2-.20-80 0 6I1 6 1 0 SO 30 60oE 1-29-80 0-30 acke 2-20-.80 0 6~] 6:1 0 SP O'E 1-2 -8 acke 2-20-80 0 1 6:1 6t1 0.45 acker -80 6'1 6 1 0 acker 6t1 6:1 S99F 20 vert. 2-21-80 -20 acker 2-28-80 0 6 1 6:1 0 S9 G 20 vert. 2-21-80 0-20 acker 2-25-80 0 61 61 0 S H 20 vert. 2-21-80 0-20 acker 2-25-80 0 6:1 6 1 0 e t 2-21-80 -20 a k r 2-26-80 0 6:1 6 1 0 ti ht 0 N 2-21-8 ti ht ve 2-21-80 0-20 acker 2-26-80 0.3 6 1 6I1 1.5 comm with S101E 2-21-8 ti ht a e 2-26-80 0 6:1 6I1 0 ti ht 2 2-25-80 ti ht a er 0 6:1 6 1 0 ti ht vert 2-21-80 ti ht tgt

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant ."~in Dam (CAR 1425.001 Date.3 17 80 Feature: Consolidation Groutin Sheet ~of Drawing No.:CAR 2167 G-D R ILL ING GROUTING Angle of Pressure W/C Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled Grunted Packer G routed Injected Min Max Min Bags / Hr.

20 vere. 2-21-80 0-20 acker 2-26-80 0.4 6:1 6 1 3.0 2-21-80 -20 acker 2-26-80 1.8 6:1 6:1 4.2 comm with S102C S102F 2-2 r 2-26-80 l. 6:1 6:1 3.6 comm with S102 S100F 2-2 ei he

~

1 6:1 1.8 e e 2-21-80 acker 2-26-80 Oe5 6:1 6:1 3.0 comm with S101F 1 2 vert 2-21-80 ker 2-26-80 1.1 6 1 6:1 4.8 comm with S102H S102F 6:1 6:1 0 6:1 4.8 comm with 1 2B 0

t t

~

1 N 1- 0-8 0-2 acker 2-21-80 0.1 6:1 6 1 0.9 2-2 -80 0.3 6:1 6:1 1.8 2 .2 6:1 6:1 0.9 0

4A 20 80 N

EBASCO SERV INCORPORATED RECORD OF DRILLING GROUTING OPERATIONS

. 2 26 80 Project: Shearon Harris Nuclear Power Plant kfain Dam (CAR 1425.001 Feature: Consolidation Groutin Sheet 3 of Drawing No.:CAR 2167 G-DRILLING GROUTING Angle of Pressure W/C Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled G routed Packer G routed Injected Max. Min Bags / Hr.

4B 20 80oS 1-30-80 5A 20 80 W 1-30-80 5B 20 75oW 1-30-80 6A 20 vert. 1-30-80 20 ni le 2-21-80 0 6I1 6:1 0.45 6B 20 vert. 1-30-80 7A 20 vert. 2-4-80 20 ni le 2-21-80 0.2 6:1 6:1 1.8 7B 20 vert. 2-4-80 20 ni le 2-21-80 0.1 6:1 6:1 0.9 8A 20 80oE 2-4-80 80 2-14-8 2-2 -8 1 1 6.1 6:1 2.4 comm 9B & 10A routed b comm routed b comm 12A 20 vert. 2-19-80 12B 20 vert. 2-19-80 13A 20 75ON 2-19-80 routed b comm 13B 20 80DS 2-19-80 20 ni le 2-21-80 0.3 6:1 6:1 3.9 comm 13A 14A 20 vert. 2-19-80 14B 20 vert. 2-19-80 1 A 20 75 N 2-20-80 vert. 2-20-80 0 E 2-20-80 2-21-80 0 1 6 1 6:1 0.9 20 vert. 2-20-80 18C 20 80oW 2-20-80 1 A 20 75 N 2-20-80 20 eo'S 2-20-80 20 ni le 2-21-80 0 6:1 6:1 20A 20 vert. 4-2-79 20 acker

EBASCO SERVICES IItICORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Main Dam (CAR 1425.001 Pete. lp 3 79 Feature: Consolidation Groutin Sheet 4 of Drawing No.:CAR 2167 G-0 R ILL ING GROUTING Angle of Pressure W/C Maximum Hole Depth in Hole from ;Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled ~ G routed Packer G routed Injected Max. Min -

Max Min Bags / Hr.

20B 20 vert. 4-2-79 20C 20 vert. 3-30-79 20D 20- ver 3-30-79 20 acker 4-5-79 0.1 6:1 6'1 0.45 21C 20 vert. 3-30-79 21D 20 vert. 3-30-79 22A 20 vert. 3-30-7 22 20 vert. 3-30-7 24A 20 vert. 3-30-79 20 ni le 4-3-79 0.2 6~1 6:1 0.45 24B 20 80 Nw 3-30-79 24C 20 80 SE 3-30-79 24D 20 vert. 3-29-79 20 E 3-2 -7 20 ni le 4-2-79 0.0 6 1 6:1 0.0 25B 20 80 W 3-2 -7 20 7 SE 3-2 82 SE 3-2 -7 v rt 3-2 -7 20 acker 4-2-79 0.0 6:1 6:1 0.0 0 0 6:1 6:1 0.0 6:1 0.45 6:1 6tl 0.45 6:1 6:1 0.0 28C

EBASCO SER S INCORPORATED RECORD OF DRILLIN GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant irain Dam CAR 1425.001 re: 10/3/79 Feature: Consolidation Groutin Sheet 5 of 29 Drawing No.:CAR 2'l67 G-D R ILLING G ROUTING Angle of Pressure 8/C Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled Grouted Packer G routed Injected Max. Min Max Min /

Bags Hr.

28E 20 3/28/79 29A 20 85SE 3 27 79 20 ni le 3/30/79 O.l 6:1 6:1 0.9 29B 20 vert 3 27 79 29C 20 vert 3/28/79 29D 20 72SE 28/79 20 ni le 3/30/79 0. 2 6:1 6:1 0.9 29E 20 vert 3 28 7 30A 20 70' 3 27 79 30B 20 69SE 3 27 79 30C 20 3/28/79 20 4 2 79 0.3 6:1 6:1 2. Comm. 30D I 30D 20 71SE 3/28/79 20 4/2 79 by Comm 30C co 20 vert 3 28 79 I

31A 20 vert 32379 31B 20 32779 31E 20 vert 28 6:1 0.0 32B 20 70W 3 23 7 20 ni le 3 28 79 4.8 6:1 6.0 Comm 33D 32C 32C 32D i le 3 29 79 0.2 6:1 6:1 0.9 32E 20 71NE 3 27 7 20 acker 3 30 79 0.1 6:1 6:1 0. 45 32F 20 - 75NW 3/27/79 20 ni le 3/28/79 0.1 6:1 6:1 0.45 2 7 0 0 6:1 6:1 0.0 33B 20 vert 3 23 79 33C vert 3 26 7 33 33E 20 vert 3 27 79 20 79SE 3 27 79 34A 20 vert 3/23/79 34B 34C 20 70E 3 26 79 20 acker 3/30/79 0.1 6:1 6:1 0.45 3 26 79 20 acker 3 30 79 1.4 6:1 5:1 1.8 ve t 20 70S 3 23 79 20 ni 0.2

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Main Dam (CAR 1425.001) Date:10/3/79 Feature: Consolidation Groutin Sheet 6 of 29 Drawing No.:CAR 2167 G-DRILLING GROUTING Ange of Pressure W/C Maximum Hole Depth in Hole fram Date Depth ffipple/ Date Bags Rate in Remarks Feet Horizontal Drilled Granted Packer Grouted Injected Max. Min Max Min Bags / Hr.

35A 20 26 35B 20 6 W 35C 20 80E 3 26 7 35D 20 35E 20 vert 3 24 7 35F 20 70S 3 24 79 20 acker 3 28 79 0.8 6'6A 6: 1 2 20 ON 36B 20 vert 3 26 79 20 acker 3 29 79 1.4 6:1 6:1 5.4 36C 20 vert 3 26 7 20 acker 2 7 36E 20 7 N I

co 36' 20 vert 4 3 79 I

36F 20 75S 3/26/79 20 ni le 3/28 79 0.2 6:1 6:1 0. 45 37A 20 ve 37B 20 vert 3 26 79 37C 20 vert 3/24/79 20 acker 3/29/79 0.5 6:1 6:1 1.2 37D 20 ver 4~

37EF 20 vert 4 13 79 37F 23 vert ll 8 78 23 ni le ll 14 7 12. 2 1.5 6:1 9.6 37G 23 vert 11 8 78 23 ni le ll 14 7 2.1 6:1 4:1 1.8 37H 20 e t 1 38A 20 et 32 38C 5 5 4:1 4:1 0.6 38F 6:1 6tl 38H 23 vert 11 13 7 23 ni le ll 14 7 0,1 6 1 6:1 0.9 39A 20 vert 11 3 78 2 ni le 11 7 78 0 1 6:1 6:1 0.5 39C 20 vert 114 8 20 vert 114 78 20 ni le ll 9 78 6 1 6 1 1 8

EBASCO SERVI INCORPORATEO RECORD OF DRILLING ROUTING OPERATIONS Project: S earon Harris Nucjear Power Plant Ltitt Dam (CAR 1425.001) . 10/3/79 Feature: Consolidation Groutin Sheet 7 of Drawing No.:CAR 2167 G-DRILLING GROUTING Angle of Pressure W/C Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled G routed Packer 6 routed Injected Max. Min Max Min Bags / Hr.

39E 20 87 11/6/78 20 acker ll/10/7 0.5 6:1 6:1 0.9 39F 23 vert 11378 111 7 00 6:1 6:1 0.0 39H vert 11 8 A 20 vert 1 2 78 20 acker ll 7 78 15.6 6:1 12. 0 40a 20 vert 11/2/78 20 acker 11/7/78 0. 2 6:1 6:1 0.5 40C 23 vert 11/1/78 40D 23 vert 111 78 23 vert 11 3 40H vert 11 3 78 acker ll 13 11 7/78 7 1.3 6:1 6:1 6:1 1.8 3.6

3. 1 41a 23 vert ll 1 7 41E 23 vert 112 78 23 acker 11 8 0.7 6tl 1 8 22 42 42a 23 vert 11/1/78 42C 23 vert 11 1 7 42D 42E 42C 23 vert 11/3/78 23 acker 11/9/78 9.0 6:1 12. 0 Comm 43I 43'3 vert ll 1 8

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant bfai Dam (CAR 1425.001 Date:~~

8 Feature: Consolidation Groutin Sheet of Drawing No.:CAR 2167 G-DRILLING G ROUTING Angle of Pressure W/C Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled G routed Packer G routed Injected Max. Min Max Min Bags/ Hr.

43D 43F vert 11 78 43G 23 vert 11/3/78 43H 20 vert 11 7 78 43I 44A 21 23 vert vert ll10/31/77 21 118 8 44B 23 vert 11 8 44D 23 vert 11 2 78 44E 22. 5 vert 11278 44F 20 87 11/6/78 20 ni le 11/13/7 7. 0 6 1 3:1 6.0 44 44I 20 8 S 45A 23 vert 10/31/7 45B 24 vert 11/1/78 24 acker ll/8/79 O.l 4:1 4:1 0.0 45C 23 vert 11/1/78 23 acker ll/8/78 O.l 6 1 6:1 0.5 45D 20 vert 11/7/78 20 ni le ll/13/7 0.1 6:1 6:1 0.5 45E 20 vert 11/7/78 20 ni le ll/13/7 0.1 6:1 6:1 0.5 45F 20 75NE 8 25 79 20 acker 9 12 79 0.0 6:1 6:1 0.0 45G 20 vert 8 24 79 20 acker 9 9 79 0.5 6tl 6:1 3.6 45H 20 65SE 8 24 79 20 acker 9 8 79 0.2 6 1 6:1 1.2 45I 20 vert 79 20 acker 9 8 79 0.0 6:1 6:1 0.0 4 A 46B 20 vert 11 8 78 46C 20 75N 8/27/78 20 acker 9/12/79 0.1 6:1 6'1 0.45 46E 20 vert 8/24/78 20 acker 9/12/79 0.0 6:1 6:1 0.0 46F 20 vert 8 24 7 46G 80m'24 46I-20 6:1 0.4

EBASCO SERVIr INCORPORATED RECORD OF DRILLING GROUTING OPERATIONS Project: aron Harris Nuclear Power Plant Hain Dam tCAR 1425.001 Feature: Consolidation Groutin Sheet 9 of 29 Drawing No.:CAR 2167 G-DRILLING GROUTING Angle of Pressure W/C Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled Grouted Packer 6 routed Injected Max. Min Max Min Bags / Hr.

47C 20 vert 9 7 79 20 acker 9/12/79 0.5 6 1 6:1 2.4 47D 20 vert 82779 20 acker 9 12 79 0.0 6:1 6:1 0.0 47E 20 vert 8/24 79 20 9/12/79 B Comm w/48E 47F 20 vert 8/24/79 20 acker 9 12/79 0.1 6:1 6:1 0.45 47G 20 vert 8/24/79 20 acker 9 8/79 0. 1 6:1 6:1 0.6 47H 20 vert 824 79 20 9/8/79 B Comm w/50I 47I 48A 20 20 20 vert 80SE 75NW 8/24/79 9 7 79 9 7 79

'0 20 acker 9/8/79 9 12 79 0 6 6:1 6:1 2.4 y omm 20 8 27 79 20 acker 9 12 79 0. 6:1 6:1 1.2 48@ 20 75S 8/27/79 20 acker 9/12/79 0.8 6:1 6:1 3.6 48E 20 vert 8/21 79 20 acker 9 12/79 0.8 6:1 6t1 3.6 Comm 47E 6:1 1 2 20 vert 8/24 79 20 acker 9 8 79 0.0 6:1 6:1 0.0 48I 20 vert 8/27/79 ~

20 9/8/79 B Comm 51J

-49A 20 7 S ac r 11 7 0. 6:1 6:1 3.6

~

1 0 4

~

1 0.6 4 D vert 8 21 ck r 11 79 0.2 6:1 6:1 1.2 49E 20 vert 82179 20 acker 9 11 79 0.0 6 1 6:1 0.0 49G 20 vert 8/21/79 20 'acker 9/7/79 0. 1 6:1 6:1 0.6 49H ~

] 1 2 49I 20 vert 8 24 7 20 9 8 79 B Comm w 50I 8 2 50A 20 80N 8307 2 ~

1 6 1 omm 1A 6.5 Comm C 50D 20 vert 8/21/79 By Comm w 50E 9779 B Comm w 51F 20 vert 8 25 79 20 acker 9879 3.3 6:1 6 1 7.2 Comm 46H 47H 49I

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Hain (CAR 1425.001) pete: 10/3/79 Feature: Consolidation Groutin Sheet ~ef Drawing No.:CAR 2167 G-DRILLING G ROUTING Angle of Pressure W/C Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled G routed Packer Grouted Injected Max. Min Min Bags/ Hr.

50 hr 51I are ta ulated n Sheet 29 51J 20 vert 8/27/79 20 ackei 9 8/79 14. 6 6tl 3tl 12.8 52A 20 75M 8 3 y Comm w/54 A 52B 20 vert 8 30 79 20 9/10/79 Comm w .54A 52C 20 vert 8/30/79 20 acker 9/11/79 0.1 6:1 6tl 0. 45 52D 20 vert 8 27 52E 0.1 5 5 6:1 6:1 0.6 0.6 52H 20 vert 8 22 7 20 52I 20 80NW 8 25 79 20 acker 8 7 0.1 6:1 6:

52IJ 20 vert 12 7 52J 20 80SE 8/27/79 20 9/8/79 B Comm w 51J 53B 20 vert 8/30 79 20 acker 9 10 79 0.1 6:1 6tl 0.6 53C 20 vert 8/30 79 20 acker 9 11 79 3.2 6:1 .6 G ou 53D 20 vert 8/27/79 20 acker 9 11 79 0.1 6:1 6:1 0. 45 53E 20 vrt 82 53F 20 vert 8 21 79 20 acker 977 0.0 6 53G 20 vert 8 20/79 20 acker 9/7/79 1.3 5 5 6 1 6:1 5.5 53H 20 vert 8/20/79 20 acker 9/7/79 0.0 5 5 '6:1 6:1 0.6 53I 20 70NW 8/27/79 20 acker 9/7/79 0.1 6:1 6:1 0.6 53J 20 vert 8 27 79 20 8 7 B'omm w 51J 54A 20 75M 8 31 79 20 acker 91079 4.9 6:1 4 1 6.0 omm 52A A sl C 54B 20 vert 8 30 79 20 acker 9 ll 79 0.1 5 5 6:1 6:1 1.2 54 B Comm w 51F 8/29/79 20 acker 9 7/79 0.5 5 5 6tl 6:1 3.0 9 7 79 0.0 5 5 6:1 6:1 0.0 54H 20 vert 8/20/79 20 acker 9 7 79 0.5 5 5 6:1 6:1 3.6 54I 20 vet 82 54J 20 vert 8 20 79 20 acker 8 30 79 0.1 5 5 6 1 6:1 0. 45 A t 2 5B 0 vert 8 30 79 20 acker 9 1

ESASCO SERV S INCORPORATED RECORD OF DRILLIN GROUTING OPERATIONS Project: earon Harris Nuclear Power Plant Naitt (CAR 1425.001 Sheet

~0~

1 lof 29 Feature: Consolidation Groutin Drawing No.:CAR 2167 G-DRILLING G ROUTING Angle of Pressure W/C Maximum Nipple/ Date Rate in Remarks Hole Depth in Hole from Date Depth Bags Feet Horizontal Drilled G routed Packer G routed Injected Max. Min Max Min Bags / Hr.

8 30 79 20 acker 9.10/79 0.9 5 5 6:1 6 1 3.6 55D 20 75'IIW 8 17 79 20 acke 8 0 55E 20 75NW 8 17 79 20 acker 8 55F 20 vert 8 17 7 55G 20 vert 8/17/79 20 acker 8 27 79 0.3 6 1 6 1 55H 20 70SW 8/17/79 55I 20 vert 8/17/79 20 acker 8 30 79 0.4 6:1 6:1 1.8 55J 20 vert 8/17/79 56A 20 vert 8/29/79 20 acker 9 ll 79 0.5 6 1 6:1 6:1 6tl 2.4 56B 20 75 8/29/79 20 acker 9 10 79 1.2 56C 20 vert 8/29/79 20 acker 9/10/79 0.3 5 5 6:1 6:1 1.8 5 D 20 vert 8 27 79 20 acker 9/10/79 0.8 6:1 6:1 1.8 56E 20 vert 8/17/79 20 acker 8/30/79 0.1 6:1 6:1 0.45 vert pac er 0.9 56G 20 8 1 O.l 5 5 6:1 6 1 56H 20 vert 8/17/79 20 acker 8/28/79 0.1 6:1 6:1 0.9 56T. 20 vert 8/17/79 56J 20 vert 8/16/79 20 acker 8/27/79 0.1 6:1 6:1 0.45 57A 20 75W 8/30 79 5-20 acker 9 10 79 2.5 0-5 acker 9 ll 79 0.6 6tl 57B 20 vert 8/17 79 20 acker 8 27 79 0.8 6:1 3.0 57C 20 vert 8/17/79 20 acker 8/27/79 0.0 6:1 6tl 0.0 57D 20 vert 8/17/79 20 acker 8/27/79 0.1 6:1 6:1 0.45 57E 20 vert 8/17/79 57F 20 vert 8/17/79 20 acker 8 27 79 1.5 6:1 6:1 4.8 57G 20 vert 8/17/79 20 acker 8/28/79 1.0 6:1 6:1 1.5 57H 57K 20 vert 8 16 79 57J 20 vert 8 16 79 20 acker 8 27 79 0.1 6:1 6:1 0.

58A 20 vert 8 20 79 20 acker 8 27 79 0.0 6'1 58AB 20 vert 9/12 79 20 acker 9 12 79 0.2 6:1 6:1 .

0-45 58B 20 vert 8 20 79 20 acker 9 27 79 14.0 5 6:1 4: 1 14.4 C mm D 20 vert 8 20 79 20 8/25/79 Comm.w 60D 58E 20 8 1 6:1 6:1

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Hain Oem CAR 1425.001 Date:~10 3 7 Feature: Consolidation Groutin Sheet 12 of 29 Drawing No.:CAR 2167 G-OR ILLING GROUTING Angle of Pressure W/C Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled 6 routed Packer 6 routed Injected Max. Min Max Min Bags / Hr.

58G 58H 20 vert 8 16 58I 59AB 20 vert 9/12/79 20 acker 9 12 79 0.0 6:1 6sl 0.0 59B 59C 20 vert 8/20/79 20 8/25/79 Comm w 60D 59CD 20 vert 9/12/79 20 acker 9/12/79 0.0 6:1 6:1 0.0 59D 20 vert 8 16 7 20 8 2 7 59E 20 vert 8/16 79 20 82579 Commw 6 D 59F 59G 20 59H 20 vert 8/14/79 20 8/25/79 Comm w 59G 59I 20 vert 8 14 7 20 8 2 7 59J 60A 20 75 8 16 79 20 ac er 8 2 7 60B 20 80 8 16 79 20 8 25 79 Comm w 60D 60E 20 vert 8 16 79 20 824 79 omm w E 60F 20 vert 8 16 79 20 8/24 79 omm w/62F 60G 20 vert 8 16 60H 8 23 7 Comm w/61I 60J 20 vert 8 14 79 1A 20 vert 16 79 20 packer 5 9 61B vert 8 1 61C 20 vert 8 16 79 61D 8 2 Comm w 63E 8 2 61F 20 vert 8/16 79 20 8 24 79 Comm w

EBASCO SERVI INCORPORATED RECORD OF DRILLING GROUTING OPERATIONS Project: 1earon Harris Nuclear Power Plant Dam (CAR 1425.001 10/3/79 Feature: Consolidation Groutin Sheet 13 ef Drawing No.:CAR 2167 G-DRILLING GROUTING Angle of Pressure Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled 6 routed Packer 6 routed Injected Max., Min Min /

Bags Hr.

61G 20 vert 8/16/79 61H 20 vert 8 14 79 61I 20 vert 8/14/79 20 acker 8/23/79 1.5 5 5 6:1 6:1 7.3 omm 59I 60I 61I 62I 61J 20 vert 8/14/79 20 8/23/79 Comm w 61I vert 20 vert 8 16/79 20 acker 8/24/79 0.2 6:1 6 1 0.9 vert 62D 20 vert 8 15 79 20 82479 Comm w/63E 62E 20 vert 8 15 79 20 acker 8 24/79 0.1 5 5 6:1 6 1 0. 45 62F 20 vert 8 15 79 20 acker 8 24 79 1.7 62G 20 80 8 15 79 20 acker 8 24 79 0.

62H 20 vert 8 14 7 62I 20 vert 8 14 7 B Co 63A 20 70 8 1 29 79 2.1 6:1 6:1 12.0 mm 63B 64A no refusal 63B 63C 20 vert 8 1 8 2 63D 20 vert 8 16 63DE 63E 20 vert 8 1 7 cke 8 2 7 18 4 63EF 20 vert 8 29 79 20 acker 8 30 79 0.0 6 1 8 1 63G 20 vert 8 15 79 63H 20 vert 8 14 79 63I 20 vert 8 14 79 20 acker 8 23 79 0.0 6tl 6:1 0 0 63J 20 vert 8/14/79 20 8 16 79 20 acker 9/16 79 1.7 6t1 6:1 .2 64B 20 vert 8 16 7 Comm w 63E 64D 20 vert 8 15 7 20 acker 8 24 7 0 6 6:1 6:1 0.0 vert 8 14 79 20 acker 82379 0.0 6I1 6:1 0.0

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Feature: Consolidation Groutin Drawing No.:CAR 2167 G-Dam (CAR 1425.001) Date:~~

Sheet 14 of ~

DRILLING G ROUTING Angle of Pressure W/C Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled Grouted Packer 6 routed Injected Max. Min Max Min Bags / Hr.

64I v 64J 20 vert 814 79 65B 20 vert 8 17 65C 20 8 17 65D 20 ve t 65E 20 vert 8 1 65F 20 65G 20 vert 8 1 B Comm w 66 65H 6 I 65J 20 vert 8 14 66A 20 vert 8/17/79 20 acker 8 28 79 3.2 6:1 6:1 8.4 Surface leaka e dro ed 20 acker 8/28 79 0. 0 0.0 Comm 66B 65A 66B 20 vert 8 17 79 20 8 28 79 B Comm 6A 66C 20 vert 8/17/79 vert 17 79 66E 66GH 2 66H 20 vert 8 14 66Z 20 vert 14 79 66J 20 vert 8 14 79 67A 20 vert 8 17 7 20 ac er 8287 0.3 ~

] 6I1 67AB 20 vert 8 2 7 2 8 7 67D 20 vert 16 7 67E 20 vert /16 79 67F 20 vert 15 79 67G 20 vert 14 79 20 acker 8 21 7 0. ~

I ~

1 67H 7J vert 13 7

EBASCO SERVI S INCORPORATED RECORD OF DRILLIN GROUTING-OPERATIONS Project: earon Harris Nuclear Power Plant Hain Dam (CAR 1425.001 : 10M3M Sheet 15 of 29 Feature: Consolidation Groutin Drawing No.:CAR 2167 G-DRILLING GROUTING Angle of 'Pressure W/C Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled G routed Packer G routed Injected Max. Max Min Bags / Hr.

68A 20 vert 8 17 79 7-20 acker 8 28 79 3.4 6:1 6t1 10. 8 68AB 20 vert 8 29 79 20 ac er 8 30 7 0.1 6:1 68B 20 vert 8 17 7 2 ce 8287 0 68C 20 vert 8/17/79 68D 20 vert 8/16/79 68E 20 vert 8/15/79 68F 20 vert 8/16/79 68G 20 vert 8/15/79 68H 20 vert 8 13 79 20 acker 8 21 79 0.0 6tl 6:1 0. 45 68J 20 vert 8 13 79 69A 20 vert 7/23/79 69B 20 80 7/23/79 20 acker 8/28/79 O.l 6:1 6:1 0.9 69C 20 69D 20 vert 7/24/79 69F 20 vert 8/15/79 69G 20 vert 8/15/79 69H 20 vert 8 15 79 20 acker 8 23 79 0. 1 6 1 6:1 0. 45 69I 69J 20 vert /13/79 70C 20 vert 7 24 79 70E 70F 20 vert /25/79 20 acker 8/21/79 0.1 6:1 6:1 0. 45 70G 20 vert 9 79 70H 20 vert 19 79 70J 20 vert /13/79 71A 20 vert /23/79 6:1 71C 20

EBASCO SERVICES INCORPORATEO RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant ?fain Dam ICAR 1425.001 Date: 16/3/79 Feature: Consolidation Groutin Sheet 16 of Drawing No.:CAR 2167 G-D R I LL'ING G ROUTING Ange of Pressure W/C Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled G routed Packer Grunted Injected Max. Min Max Min Bags / Hr.

71D 20 vert 7 24 71E 20 80 7 2479 71F 20 vert 7/25/79 20 acker 8/21/79 O.l 6tl 6:1 0. 45 71G 20 80 8/9/79 20 acker 8/23/79 O.l 6'1 6:1 0.45 71H 20 vert 7 25 79 20 acker 8 21 79 O.l 6:1 6:1 0.45 71I 20 vert 7/25/79 20 acker 8/23/79 0.0 6 1 6:1 0.0 71J 20 vert 7 25 79 20 acker 8 23 79 0.2 6:1 6tl 0 2 72A 20 75 7 23 72C 20 vert 7 2 72D 20 vert 7 24 79 72E 20 vert 7/25/79 20 acker 8/21/79 0.0 6tl 6:1 0.0 20 72G 20 vert 7 2 7 72I 20 vert 7 17 79 72J 73A 20 vert 7 20 73B 20 vert 7/20/79 73C 20 73D 20 75 16 73E 20 vert 7/16/79 20 acker 8/21 79 2. 5 6:1 6:1 7.2 73F 20 vert 7 16 79 73G 20 vert 7 1 73H 20 vert 7137 73I 20 vert 7 13 7 73J 20 vert 74A 74B 20 vert /20/79 74C 20 vert 16 74D 20 74E 74F 20 75 16 79 74G vert

ESASCO SERVI S INCORPORATED RECORD OF DRILLIN GROUTING OPERATIONS Project: earon Harris Nuclear Power Plant Main Dam (CAR 1425.001 .:~10/3 79 Feature: Consolidation Groutin Sheet 17 of Drawing No.:CAR 2167 G-DRILLING G ROUTING Angle of Pressure W/C Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled G routed Packer G routed Injected Max. Min Min Bags / Hr.

74I 20 vert 71379 74J 20 80 7/13 79 75A 20 vert 7 1 75B 20 vert 7 16 75C 20 vert 7 16 7 75D 20 vert 7 16 79 75E 20 7 16 7 75F 20 vert 7 13 7 vert 7 379 75H 20 vert 71379 75I 20 vert 7 1 7 J 76C 20 v r 76D 20 vert 7 12/79 76E 20 vert 7/12/79 vert 1 79 76G 20 vert 7/12/79 76H 20 vert 7/12/79 76I 20 vert /13/79 76J 20 vert /13/79 77A 20 vert /ll/79 77B 20 vert /11 79 77C 20 vert 12 79 77D 20 vert /12 79 77E 20 ver 77F 20 vert 12 77G 20 vert 12 7 77H 20 75 12 7 77I 20 vert 12 7 77J 20 vert 78A 20 vert 78C

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Main Dam (CAR 1425.001 Date: 1 Feature: Consolidation Groutin Sheet 18 of Drawing No.:CAR 2167 G-DR ILL ING G ROUTING Angle of Pressure W/C Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled G routed Packer G routed Injected Max. Min Min Bags/ Hr.

78D 78 78F 78G 20 80 7979 78H 20 7/9 79 78I 20 vert 7 7 79A 20 vert, 7/11/79 20 acker 71679 1.1 5 6:1 6:1 2.4 79B 20 vert 71179 79C 20 vert 7 ll 79 79D 20 vert 7/11/79 20 acker 7/16/79 0.1 6:1 6:1 0.45 79E 20 vert 7 ll 79F 20 vert 7 9 79 79G 20 vert 7/9/79 20 acker 7/ll/79 0.7 6:1 6:1 0.9 79H 20 vert 7/9/79 20 acker ll 79 0.3 6:1 6 1 0.3 79I '

SOA 20 vert 7/10/79 20 acker 7/16/79 0 1 6:1 6 1 0.9 80C 20 vert 11 7 SOD 20 vert 7/11/79 80E 20 vert 7/10/79 SOF 25 vert 7 1 7 80G 20 vert 80H 20 80 757 80I 20 vert 7 5 1A 20 vert 7 10/79 20 acker 7/16/79 02 6'1 6 1 0. 9 Comm 82A Sla 20 vert 7 1179 81C 20 81D 20 vert 7/11/79 81E 81F 25 vert 9 79 25 acker 7 ll 7 0.1 81G 20 vert /5/79 81H 20 vert 5 7 81I 20 vert 7 16 7 Comm 20 vert

EBASCO SERV INCORPORATED RECORD OF DRILLIN GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Main Dam (CAR 1425.001 : 10/3/79 Feature: Consolidation Groutin Sheet 19 of Drawing No.:CAR 2167 G-DRILLING G ROUTING Angle of Pressure W/C Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal 0riiled G routed Packer G routed .Injected Max. MIn Max Min /

Bags Hr.

82C ve 82D vert 82E 20 75 7/9/79 20 vert 7 6 79 vert 7 5 79 20 packer 7 16 79 4.2 6:1 6:1 3.6 82H 20 75 7/5 79 82I 20 vert 7 5 79 20 acker 7 10 79 0.1 6:1 6 1 0.

83A 20 vert 7 10 79 83B 83C 30 vert 7 6 79 30 vert 7 6 79 30 packer 7 10 79 0.6 6 1 6:1 3.6 83E 25 vert 7 6 79 25 acker 7 11/7 0.1 6:1 6t1 83F 83G 20 vert 7 5 7 20 ac er 7 0 83I 20 vert 7 5 79 84A 20 vert 7 6 79 84AB 20 vert 7 2 20 acker 7 27 7 0 1 84B 30 vert 7/6/79 30 7/27/79 B Comm w/84BC 84BC 84 84E 20 v rt 74F 20 75 7 5 79 20 acker 7 27 79 0.2 6 1 6 1 0.9 84 84H 85A 20 6 1 85B 20 vert 6 14 79 85C 85D 20 vert 6 14 79 85E 20 75 6/15/79 20 acker 7/16/79 0.0 6:1 6:1 0.0 85F 20 vert 1 7 20 ac e 27 7 85G 86A 20 vert 14 7

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant ~~st Dam (CAR 1425.001 Oate: 10ID317 Feature: Consolidation Groutin Sheet 20 of 29 Drawing No.:CAR 2167 G-DRILLING GROUTING'ole Angle of Pressure W/C Maximum Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled Grouted Packer 6 routed Injected Max. Min Min Bags / Hr.

86B 20 ve t 86C 20 vert 6 14 79 86D 20 vert 6 14 79 86F 20 vert 6 14 7 20 acker 7/10 79 0.0 6:1 6.1 0.0 86G 20 vert 6 15 7 20 acker 7 10 7 0.0 6~1 6 1 86H 20 vert 6/15/79 20 acker 7 ll 79 0' 6 1 6 1 0.0 87A 20 vert 6 14 79 87B 87C 20 vert 6/14/79 7D 20 vert 6 14 79 87E 20 vert 6/14/79 87F 20 vert 6/14/79 20 acker 7/19/79 0.0 61 61 0.0 87G 20 75 6 15 79 20 acker 7 10 79 0.0 6:1 6:1 0.0 87G 87H 20 vert 6/15/79 20 acker 7/10/79 0.0 6:1 6:1 0.0 88A 20 80 6/18 79 20 acker 7 10 79 0.0 6:1 6:1 0.0 88B 20 vert . 6/15/79 88C 20 vert 6 15 79 88D 20 vert 6 1 7 20 acker 7 10 7 0.0 ~

1 88E 20 vert 6 15 79 88F 20 80 6/15 79 20 acker 7 10 79 0.1 6:1 6:1 0.45 88G 20 vert 6/15/79 20 acker 7/10/79 0.0 6:1 6:1 0.0 88GH 20 vert 7 20 79 20 acker 7 10 79 0.0 6:1 6 1 0.0 88H 20 vert 6 15 79 20 acker 7 10 79 0.0 6:1 6:1 0.0 89A 20 vert 6 18 79 20 acker 7 10 79 0.0 6:1 6:1 0.0 89B 20 vert 6 15 8 C 89D 20 6 15 79 89E 20 vert 6 15 7 89F 20 vert 6 15 79 89FG 20 vert 7/20/79 20 acker 7 30 79 0.2 6:1 6 1 0.9 OHUII 87F, G, H;

EBASCO SERV INCORPORATED RECORD OF DR ILLIN GROUTING OPERATIONS earon Harris Nuclear Power Plant -Hain Darn (CAR 1425.001 10/3/79 Project:

Feature: Consolidation Groutin Sheet ~of 29 Drawing No.:CAR 2167 G-DR IL LING GROUTING Angle of Pressure w/c Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled G routed Packer Grouted Injected Max. Min Min Bags / Hr.

20 ni ca~nceGeddue to surfac 90B 20 vert 5/15 79 90C 20 vert 5 15 79 90D 20 vert 5 15 7 20 ni le 7 12 7 90G 20 vert 5/15/79 91A 20 vert 5 15 7 20 ni 1 7 7 91B 20 vert 5/15/79 vert nipp e 91D 20 91E 20 vert 5 15 79 20 ni le 7 979 0.0 6:1 0.0 91F 20 vert 5/15/79 20 ni le 6/14/79 cancelled due to surface e 91FG 20 vert 7 20/79 20 acker 7/27/79 0.0 6 1 6:1 0.0 91G 20 vert 5 15 79 92A 20 vert 5/15 79 92B 20 vert 5/15/79 2C 20 vert 5 15 79 92D 20 vert 5157 92E 20 vert 15 79 92F 20 vert 15 7 20 ni le 6 1 7 6:

92G 93A 20 vert 93B 20 vert /ll/79 20 6/13 79 B Comm w B & 4A By Comm w 94A 93D 20 vert 11 7 93E 20 vert /11/79 20 acker 6 12/79 28.2 6:1 3:1 19.2 Comm 92F G 3D G 4DE F 95F G 96F G 93FG 20 vert 28 79 20 acker 6287 0.1 93G 20 vert 117 2 6 12 94A 20 vert /14/79 20 i le 6/13/79 8.0 6:1 4:1 22. 2 0.0 Comm 93A B C 4B C 9 B C 96 94AB 20 vert 6 28 7 20 acker 6 28 79 0.0 6:1 6:1 20 vert 5/16/79 20 6/13/79 B Comm w/94A and 95B

EBASCO SERVICES INCORPORATEO RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Feature: Consolidation Groutin

~fain Dam (CAR 1425.001 Date:~~L3J Sheet

~

22 of 29 Drawing No.:CAR 2167 G-DR ILLING G ROUTING Angle of Pressure W/C Maximum.

Hole Depth in Hole from Date Depth flippie/ Date Bags Rate in Remarks Feet Horizontal Drilled 6 routed Packer G routed Injected Max. Min Bags/ Hr.

6/14/79 0.1 0.96 94E 20 vert 5/15/79 20 ni le 6/13/79 0.0 6:1 6 1 94F 20 vert 5/15/79 20 6/12/79 B Comm w 9 FG 20 vert 6 28/79 20 acker 6/28/79 0.1 6:1 6:1 0.0 94G 20 vert 5 16/79 20 6/12/79 B Comm 95A 20 vert 5/14/79 95AB 20 vert 5/23/79 20 acker 6/28/79 0.0 6:1 6:1 0.

95B 20 vert 5/14/79 20 ni le 6 13 79 2.1 6:1 6 1 95C 20 vert 5/15/79 95D 20 vert 5 1 7 95E 20 70 vert 5 15 79 20 ni l 1 7 95F 20 5/16/79 20 6/12 79 B o 95G 20 vert 5 16 7 96A 20 vert 5147 96B 20 vert 5147 96C 20 B Comm w 96D 20 vert /15/79 96E 20 vert /15 79 20 61379 2.7 5 5 6 1 5o]

96F 20 vert /16/79 20 6/13/79 0.0 5 5 6:1 6:1 0.0 96G 20 vert 16/79 20 6/12/79 B Comm w F 97A 20 vert

-97B 97D 20 vert 15 7 97E 20 ver 97F 20 vert 16 7 20 98A 20 vert 14 7 98 98C 20 98E 20 vert 1 7 98F 20 98G 20 vert

EeaSCO SERvIr S INCORPORaTEO RECORD OF DRILLING GROUTING OPERATIONS lwrin Dam (CAR 1425.001 ~10 3 7 Project: iearon Harris Nuclear Power Plant Sheet 23 of 29 Feature: Consolidation Groutin Drawing No.:CAR 2167 G-DRILLING GROUTING Angle of Pressure Yl/C Maximum Nipple/ Date Rate in Remarks Hole Depth in Hole from Date Depth Bags Feet Horizontal Drilled G routed Packer Grunted Injected Max. Min Max Min Bags / Hr.

99B 20 80 51179 99C 20 0.0 99D 20 vert 514 79 vert 79 20 vert 5 14 79 vert vert 5 1 79 20 nipple 1 79 9.4 6:1 6:1 13:2 Comm 101A 100AB 20 vert 6 28 79 20 ni le 6/28 79 0.1 6:1 6:1 0.9 100B 20 80 5 ll 7 100D 20 vert 5'll 7 100E 20 75 5/14/79 100F 20 80 5/11/79 20 ni le 6/14/79 0.1 6:1 6 1 0. 96 101A 20 vert 11 79 20 6 14 79 101AB 20 vert 28 79 20 ni le 6 28 79 0.0 6tl 101B 20 vert ll 7 101C 20 vert 11 79 101D 20 vert 101E 20 vert 117 2 101F 20 75 117 2 101G 20 vert 7 79 20 i le 6 15 7 0 0 102A 20 vert 117 2 6 1 102B 20 vert 102C 20 102D 20 vert 8 79 102F 20 102G 20 vert 103A 20 ve 103B 103C 20 vert 11 7 6:1 103F 20 80 6:1

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Nai Dam (CAR 1425.001 Date:~10 3 79 Feature: Consolidation Groutin Sheet 24 of Drawing No.:CAR 2167 G-DRILLING GROUTING Ange of Pressure W/C Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Ratein- Remarks Feet Horizontal Drilled G routed Packer G routed Injected Max. Min Max Min Bags / Hr.

103G 20 vert 5/7/79 10I4B 104BC 20 vert 6 28 7 2 104C 104D 20 vert 5 ll/79 104E 20 80 5/11 79 104F 20 ve 104G 20 vert 5 7 79 105A 20 vert 5 4 79 105B 20 vert 5 4/79 20 acker 6/15/79 3. 1 6:1 5:1 4.8 Comm 104 106C 105BC 20 vert 6 28 7 105C 20 vert 5 4 79 20 6 1 7 B Comm w 104C 105E 6:1 6:1 1.8 105F 105G 20 106A 20 vert 5/4/79 106B 106C 20 vert Comm 106D 20 vert 106E 20 vert /4/79 20 i le 6 18 79 0.1 6 1 6:1 106G 20 ve t 107D 20 107E 20 vert 3 79 108B 108C 20 vert 3 79 vert 3 20 vert 2 79

EBASCO SERV S INCORPORATED RECORD OF DRILLIN GROUTING OPERATIONS Project: tearon Harris Nuclear Power Plant 8~in Darn (CAR 1425.001 100/'~

t 25 of 29 Feature: Consolidation Groutin Drawing No.:CAR 2167 G-DRlLLING GROUTING Angle of Pressure W/C Maximum Nipple/ Date Rate in Remarks Hole Depth in Hole from Date Depth Bags Feet Honzontal Drilled G routed Packer G routed injected Max. Min Max Min Bags / Hr.

108F 109A 20 vert 527 109B 20 vert 5 2 79 109E 20 vert 109D 20 vert 109E 20 vert 5279 10 F 110B 110D 20 vert 5/2/79 110E 20 75 5 3 79 lllA 20 vert 527 5/2 79 1llD 112E 20 80 112 11 A 113B 20 vert 1 7 113E 20 vert 2 79 114 114C 20 vert 114D 20 vert 1 79 114E 20 ert

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant fein Darn (CAR 1425.001) Date:~~29 Feature: Consolidation Groutin Sheet 26 of Drawing No.:CAR 2167 G-DRILLING G ROUTING Angle'of Pressure W/C Maximum Hole Depth in Hole from .Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled Grouted Packer G routed Injected Max. Min Min Bags / Hr.

20 vert 115B 20 vert ll D 115E 20 vert 1 7 116A 20 80 4/30/79 116B 20 vert- 4 0 116C 1 E 20 vert 5 1 79 117A 20 vert 117B 20 vert 30 79 117C 20 vert 117D 20 ve 117E 20 vert 5/1/79 118A 20 vert /30/79 vert 20 vert 30 79 118D 119A 20 vert 30 79 119B 20 vert /30/79 20 ni le 6/19/79 0.0 5 5 6:1 6:1 0.0 119C 20 vert 27 79 20 vert 27/79 120A 20 75 30 79 120B 20 vert /30/79 120C 20 vert 30 7 121A 20 vert 27 121B 20 121C 20 vert 27 7 121D 20 vert 27 79

.0 6:1 6:1 0.0 122B 20 vert 27 79 122C 2 22 20 vert 27/79

EBASCO SERVIC S INCORPORATED RECORD OF DRILLING GROUTING OPERATIONS Project: ron Harris Nuclear Power Plant Y~itt Dam CAR 1425.001 lo/3/79 Feature: Consolidation Groutin Sheet 27 of Drawing No.:CAR 2167 G-DRILLING G ROUTING Angle of Pressure W/C Maximum Hole Depth in Hole from Oate Oepth Nipple/ Oate Bags Rate in Remarks Feet" Horizontal 0rilled G routed Packer G routed Injected. Max; Min Max Min Bags/ Hr; 123A 20 12 123C 124A 124B 124C 20 vert 4 27 79 12 12 6:1 126A 20 vert 10 ll 7 126B 20 vert 10 ll 7 127A 127B 20 20 vett vert 10 ll 10/11/7 7

128A 20 65 10 13 128B 20 65 10/13/7 129B 20 vert 10 13 7 130B 20 131A 20 vert 10 13 7 131 132A 20 65 10/13/7 132B 20 70 10/13 7 133A 20 65 10 12 134A 2 7 134B 20 65 10/13/7 20 acker 10/15 7 0.1 6:1 6t1 0. 45 13 A 135B 20 136A 20 20 vert 0/12/79 137A 20 vei 0 12 7 137B 20 vert 0 2 138A 20 65 0/12/7 138B A 80

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Hain Dam (CAR 1425.001 Date:

Feature: Consolidation Groutin Sheet 28 of 29 Drawing No.:CAR 2167 G-D R ILL ING G ROUTING Angle of Pressure W/C Maximum Hole Depth in Hole from Date Depth 'ipple/ Date Bags Rate in Remarks Feet Horizontal Drilled G routed Packer G routed Injected Max. Min Max Min Bags/ Hr.

139B 20 vert 10/12/7 140A 20 vert 10 12 140B 20 vert 10 ll 7 141A 141B 20 vert 10/ll/7 142A 20 75 10127 142B 20 vert 10 ll 143B 20 80 10 11 7 144A 20 vert 144B 20 70 9 25 79 145A 20 vert 9 25 7 145B 20 70 9 25 79 146A 20 vert 146B 20 147A 20 65 9 25 7 147B 20 65 9 25 79 148A 20 vert 9/25/79 148B 14 A 149B 20 65 25 79 150A 2 150B 20 151A 20 70 25 79 151B 20 vert 1.29 79 152A 20 vert 153A 20 vert /25/79 6:1 6:1 '.45 154A 20 vert 25 79 154B 20 80 .25 7

EBASCO SERV " INCORPORATED RECORD OF DRILLIN GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Dam (CAR 1425.001 10/3/79 Feature: Consolidation Groutin Sheet 29 of ~2 Drawing No.:CAR 2167 G-D R ILL ING GROUTING Angle of Pressure W/C Maximum Hole, Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled G routed Packer G routed Injected Max. Min Max Min Bags / Hr.

50J 20 vert 8 27 7 B Co 51A 20 8 1.8 51B 20 vert 8 30 79 20 acker 9117 51C 20 vert 8/30 79 20 acker 91079 0.1 20 vert 821 79 51E 20 vert 8/21/79 20 cker 9 7 79 0.5 51F 51G 20 vert 8/21/79 51H 20 vert 8/21/79 51'1IJ 20 vert 8 25 79 20 987 B Comm w 51J 20 vert 12

8.3 AUXILIARYDAM CURTAIN GROUTING EBASCO SERVI INCORPORATED RECORD OF DRILLING ROUTING OPERATIONS Project: S earon Harris Nuclear PowerPlant Auxilia Dam (CAR 1425.001 . 9/5/79 Feature: CUrtain Groutin Sheet 1 of Drawing No.:CAR 2167 G-7779 DRILLING GROU.TING W/C Maximum Hole Depth in Statio Date Depth Nipple/ Date Bags Pressure Rate in Remarks Feet No. Drilled 6 routed Packer G routed Injected Max. Min. Min Bags/ Hr.

D P 0+10 5 16 79 30-50 acker 5 17/79 0-15 30 30 6:1 6:1 1.8 Holes 1 throu h 4 were 15-50 acker 5 17/79 0.15 15 15 6:1 6:1 0.9 canceled desi n 0-50 acker 5 17 79 0.0 6:1 6 1 0.9 C5S 50 0+30 5 18 79 30-50 acker 5 18 79 0.0 30 30 6 1 6:1 0.0 15-50 acker 5 18 79 0.1 15 15 6:1 6:1 0.9 0-50 acker 5 18 79 0.1 6 1 0.9 3 -50 acker 5 17 79 0.3 30 30 6:1 6:1 0.9 17 79 0.2 15 15 6:1 6 1 1.8 0.0 7 6:1 6:1 0.0

~

] 6'1 0.0 6:1 6:1 1.2

~

1 6:1

~

1 5.4 0.9'6T 0 0 30 0+80 5/21 79 15-30 acker 5 21 79 0.0

~ 0 6:1 6:1 0.0 0.0 6 1 6:1 0.0 6.9 15 15 6:1 3:1 4.8 17 0.0 6 1 6:1 0.0 1+10 5 18 79 30-50 acker 5/18/79 0.3 30 30 6:1 6:1 .2 15-50 acker 5/18/79 0.2 15 15 6:1 6:1 1.2 0-50 acker 5/18/79 0.0 6:1 6:1 0.0 U8P 50 1+30 5/15 79 30-50 acker 5/17/79 O,.l 30 30 6:1 .9 15-50 acker 5/17/79 0.3 15 15 6:1 ~

1 .9 0-50 acker 5/17/79 0.1 6:1 6:1 0.9 C8S 50 1+50 5 18 79 30-50 acker 5/18/79 0.2 30 30 6:1 6.1 1.2 15-50 acker 5/18/79 0.0 15 15 6:1 6:1 0.0 0-50 acker 5 18/79 0.0 6:1 6:1 0.0 1+70 5 13 79 30-50 acker 5'/17/79 0.1 30 30 6:1 6:1 0.

15-50 acker 5 17 79 O.l 15 6:1 6:1 0.9 0-50 acker 5/17/79 0.0 6:1 6:1 0.0

+ 0 18 79 30-50 acker 5 18 79 0.2 30 30 6:1 6:1 1.2 1 -50 acker 5 18 79 0.1 6:1 6:1 0.45 18 0.0 6:1 6:1 0.0 50 pac er 0.0 30 30 6:1. 6:1 0.0

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Auxilia Dam CAR 1425.001 Date:~ jQ.Q Feature: ' . Groutin Sheet 2 of 21 Drawing No.:CAR 2167 G-7779 D R ILLING GROUTING Station Pressure W/C Maximum Hole Depth in No. Date Depth Nipple/ Date Bags Rate in Remarks Feet Drilled G routed Packer G routed Injected Max. Min Max Min Bags / Hr.

~

1

~

1 6 1 0.9

~

1 ~

1 0 0 11 7 30-50 acker 5 16 79 1.9 30 30 6:1 6:1 3.6 acker 5 16 79 0.2 15 15 6:1 6:1 0.9 a er 5 16 79 0.1 6:1 6:1 0.45 18 0.7 30 30 6:1 6:1 1.8 18 7 0.1 15 15 6:1 6:1 0.45 k 5 18 79 0.0 6:1 6:1 0.0 r 5 16 79 0.6 30 30 6:1 6:1 2.4 a ker 5 16 79 0.2 15 15 6;1 6'1 0.9 6:1 6:1 0.45 8 6 7 0.6 30 30 6:1 6t1 1.8 0.1 15 15':1 6:1 0.45 8 7 0.0 6:1 6:1 0.0 17 79 0.2 30 30 6:1 6:1 0.9 15 15 6 1 6:1 0.9 0.4 6:1 6:1 1.8 3+90 7 31 79 30-50 acker 8/6/79 0.1 30 30 6:1 0.0 15 15 6:1 6:1 0.0 6:1 6 1 0.45 7 13 79 30-50 acker 7/17/79 2. 75 30 30 6:1 15-50 acker 7/17/79 0.2 15 15 6 1 6:1 0.

0-50 acker 7/17/79 0.0 6:1 0-50 acker 8 6 79 0.0 30 30 6:1 6:1 0.0 acker 8 6 79 15 15 6:1 6 1 3.0 ker 8 6 79 7 6:1

EBASCO SERV INCORPORATED RECORD OF DRILLIN GROUTING OPERATIONS Project: earon Harris Nuclear Power Plant Auxilia Dam (CAR 1425.001 e: 9/5/79 Feature: Curtain Grnutin Sheet 3 of 21 Drawing Nn.:CAR 2167 G-7779 DR I L LING G ROUTING Statio Pressure w/c Maximum Hole Depth in Date Depth ffippie/ Date Bags Rate in Remarks No.

Feet Drilled Grouted Packer G routed Injected Max. Min Max Min Bags / Mr.

r 7 26 79 0.1 30 30 6:1 6:1 0.9 26 0 1 6:1 6:1 0.9 26 7 0.0 6tl 0.0 7 23 0.1 30 30 6t1 6:1 0.9 ker 7 23 79 0.2 6~1 6tl 1.8 9 27-50 acker 7/17/79 0.1 30 30 6:1 6:1 0.

17-50 acker 7/17/79 0.0 15 15 6:1 6:1 0- 0 acker 7 17 79 1.4 6 1 6:1 6.0 surface ea age 4+12 7 27 79 30-50 packer 2 7 0.4 30 30 6tl 6:1 1.8 15 15 6:1 6:1 0.45 4tl 8.4 surface leaka e 6:1 6:1 1.3 15 6:1 5:1 3.6 leaka e water comm. DHF 6 1 6:1 0.45 20 20 -

6:1 6:1 0.45 6:1 6:1 0.9 30-50 acker 7 16/79 O.l 30 30 6:1 6:1 0. 5 15-50 acker 7 16/79 1.95 15 15 6tl 6:1 0-50 acker 7/16/79 0.2 6:1 0-50 acker 8 9 79 0.45 30 30 6:1 6:1 acker 8 9 79 0.1 15 15 6:1 6:1 0.

0 acker 8 9 79 0.1 6:1 6:1 0.1 30 30 6tl 6:1 0.9 1-0 acker 8 9 79 0.3 15 15 6:1 6:1 0.9 0.0 6:1 6:1 0.0

~

1 18 0 0-50 acker 8 7 6:1 ~

1

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: ShearonHarris NuclearPower Plant Auxilia Dam (CAR1425.001 Date:~~9 Feature: Cttr<ain Groutin Sheet ~of 21 Drawing No.:CAR 2167 G- 7779 DRILLING G ROUTING Pressure W/C Maximum Hole Depth in Station Date Depth Nipple/ Date Bags Rate in Remarks Feet No. Drilled G routed Packer G routed Injected Max. Min Min Bags/ Hr.

887 0.9 30 30 6:1 6:1 4.8 0.1 15 15 6:1 6:1 0.9 8 8 7 0.15 6:1 6:1 0.9 1 8 30 30 6 1 6:1 3.6

~

1

~

1 6:1 0.0

~

1 30-50 acker 8 6 79 4.6 30 30 61 51 5.4 1 0 acker 8 6 79 0.5 15 15 6:1 6:1 1.3 a r 8 6 79 0.2 6:1 6:1 0.9 cker 8 10 79 0.3 30 30 6:1 6:1 0.9 81 9 01 15 15 6 1 6:1 0.9 8 10/79 6tl 6:1 1.8 0, 4.3 30 30 6:1 4:1 6.0 1 2 15 15 6:1 6:1 3.0 6:1 6:1 1.8

+ 0 8 10 0- 0 acker 8 10 79 0.5 30 30 6:1 6:1 2.4 6:1 6sl 0.9 6:1 6:1 0.0 30 6 1 6 1 0.45 15 15 6:1 6:1 0.9 6:1 6:1 0.45 8 7 30-50 acker 8 9 79 0.0 30 30 6:1 6:1 0.0 1-0 acker 8 9 79 0.0 15 6:1 6:1 0.0 acker 8 9 79 0.0 6:1 6:1 0.0 acker 8 7 79 0.15 30 30 6:1 6:1 0.45 acker 8 7 79 0.4 15 15 6:1 6:1 0.9 O.l 6:1 6:1 0.45 0.6 30 30 6:1 6:1 1.8 15 15 6:1 6:1 0.45 6:1 6:1 0.0 D267 50 6+40 8 10 79 30-,50 packer 8/10/79 0 30 30 6:1 6:1 0.9 15 50 acke

ESASCO SERVI ~S INCORPORATED RECORD OF DRILLING GROUTING OPERATIONS Project: aron Harris Nuclear Power Plant Auxilia Dam (CAR 1425.001 :~9/5 79 Feature: Groutin Sheet ~of 21 Drawing No.:CAR 2167 G-DRILLING G ROUTING Pressure W/G Maximum Hole Depth in tation Date Depth illipple/ Date Bags Rate in Remarks Feet No. Drilled Granted Packer Grouted Injected Min Max Min Bags / Hr.

10 0.1 30 30 6:1 6tl 1.8 1-0 acker 8 10 79 0.1 15 15 6:1 6:1 0.9 ker 8 10 79 0.1 7 7 6:1 6:1 0.45 0 1 30 30 6 1 6:1 0.45 6tl 6:1 0.45 6:1 0.

8 1 cker 8 11 79 0. 15 30 30 6:1 6:1 0.45 acker 8 11 79 0.0 15 15 6:1 6:1 0.0 acker 8 ll 79 0.0 7 7 6:1 6:1 0.0 ker 8 10 79 0.1 30 30 6:1 6tl 0.9 1-0 acker 8 10 79 0.0 15 15 0.0 0 1 7 7 6:1 6:1 0.45 k r 8 ll 79 0.0 30 30 6:1 6 1 0.0 er 8 ll 79 0.1 15 15 6:1 6:1 0.45 1 7 0.1 7 7 6:1 6:1 0.9 10 7 0 0 30 30 6:1 6 1 0.0 1 15 6:1 6:1 0.0 7 7 6:1 6:1 0.0 6 1 6tl 0.0 6:1 0.0 S31P r 8107 0.1 30 30 6:1 6 1 0.9

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Auxilia Dam (CAR 1425.001 Date:~9/5 79 Feature: Cur taDQroutin Sheet 6 of 21 Drawing No.:CAR 2167 G-7779 DR ILL ING GROUTING Station Pressure W/C Maximum Hole Depth in No. Date Depth Ripple/ Date Bags Rate in Remarks Feet Drilled G routed Packer G routed Injected Max. Min Min Bags/ Hr.

S31P 50 8+50 8 7 79 15-50 acker 8 10 79 0.1 15 15 6:1 6tl 0 4 0-50 acker 8 10 79 0.0 6tl 6tl 0.0 C26S 50 8+70 8 11 79 30-50 acker 8 ll 79 0.0 30 30 6:1 6:1 0.0 15-50 acker 8 11 79 0.0 15 15 6tl 6 1 0.

S 2P 8 11 79 0 0 15 15 6:1 6:1 0.0 0-7 acker 8 11 79 O.l 6tl 6:1 0.9 D P +30 7 12 713 9 0.15 30 30 6:1 6:1 0.9 k r 7 13 7 .75 6:1 ~

1 ack r 7 16 7 0 6:1 6:1 1.8

~

1

~ ~

1 1

~

] 0 45 50 9+70 7/12/79 30-50 acker 7/13/79 0.0 30 30 6:1 6tl 0.0 15-50 acker 7/13/79 0.0 15 15 6:1 6:1 0.0 0-50 acker 7/13/79 0.0 6:1 6:1 0.0 C29S 50 9+90 7/17/79 30-50 acker 7/26/79 0.0 30 30 6:1 6:1 0.0 15-50 acker 7/26/79 0.1 15 15 6:1 6:1 0.9 0-50 acker 7/26/79 0.05 7 6:1 6:1 0.9 D35P 50 10+10 6/29/79 30-50 acker 7/3/79 0.0 30 30 6:1 6:1 0.0 15-50 acker 7/3/79 0.0 15 15 6:1 6:1 0.0 0-50 acker 7/3/79 0.0 6:1 6:1 0.0 C30S 50 10+30 7 6 79 30-50 acker 7/6/79 0.3 30 30 6:1 6:1. 1.3 15-50 acker 7/6/79 0. 15 15 15 6:1 6sl 0.9 0-50 acker 7/6/79 0.3 6:1 6:1 1.3 10+ 0 6 28 79 30-50 acker 7 3 79 0.1 30 30 6:1 6:1 0.48 15-50 acker 7 3/79 0.0 15 15 6:1 6:1 0.0 0-50 acker 7 3 79 0.0 6:1 6:1 0.0

+ 0 30-50 acker 7 6 79 0.1 30 30 6:1 6:1 0.45 7/6/79 15 6:1 6:1 0.0 7 6:1 6:1 0.0

EBASCO SERV INCORPORATED RECORD OF DRILLIN GROUTING OPERATIONS Project: earon Harris Nuclear Power Plant Auxilia Dam CAR 1425.001 e:~9/5 79 Feature: CU t in Groutin Sheet 7 of 21 Drawing No.:CAR 2167 G- 7779 DRILLING GROUTING Pressure W/C Maximum Hole Depth in Station Date Depth Nipple/ Date Bags Rate in Remarks Feet No. Drilled Grouted Packer Granted Injected Max. Min Min Bags/ Hr.

.0.48 0 3 ~

1 6tl 1.8 1-0 cker 767 01 15 15 6:1 6:1 0.45 6 1 6:1 0.45 6:1 6:1 0.0 6:1 0.

~

1 6:1 0.

6;1 0 48 6 28 30- 0 acker 6 29 79 13.75 30 30 6: 3:1 13.7 15-50 acker 6 29 79 1.15 15 15 6:1 6:1 1.8 0-50 acker 6/29/79 0.1 6:1 6:1 0.48 C35S 50 12+30 7 5 79 30-50 acker 7 5/79 O.l 30 30 6:1 6:I 0.48 15-50 acker 7 5 79 0.3 15 15 6:1 6:1 1.32 water comm. U40P 0-50 acker 6 27 79 0.0 6:1 6:1 0.0 cker 6 27 79 0.1 30 30 6:1 6:1 0 .45 acker 6 27 79 0.0 15 15 6:1 6:1 0.0 acker 6/27 79 0 0 6:1 6:1 0.0 er 7 5 79 0.1 30 30 6:1 6:1 0.9 a er 7 5 79 0.1 15 15 6:1 6:1 0.48 6tl 6:1 0.48 27 0 0 30 30 6:1 6:1 0.0 0 1 15 15 6tl 6:1 0.45 6:1 6:1 p ip 3 30 30 p 48 15-50 acker 7 5 79 0.0 15

EBASCO SERVICES INCORPORATEO RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Auxilia Dam CAR 1425.001 Date:~95 79 Feature: Curtain Groutin Sheet 8 of 21 Drawing No.:CAR 2167 G-7779 DRILLING G ROUTING Statio Pressure W/C Maximum Hole Depth in No. Date Depth Nipple/ Date Bags Rate in Remarks Feet Drilled G routed Packer G routed Injected Max. Min Max Min Bags/ Hr.

D43P 50 13+30 6/21/7 30-50 acker 6/27/79 0. 1 30 30 6:1 6 1 0. 48 15-50 acker 6 27 79 0.1 15 15 6:1 6:1 0.48 0-50 acker 27 79 0.0 6:1 6:1 0.0 C38S 50 13+50 7 4 79 30- 0 acker 7 4 7 0.0 30 30 6:1 6:1 0.0 acker 7 7 0.1 6:1 ac er 7 7 0 0 ~

1 ~

1

~

1 ~

I 0. 48 D45P 50 14+10 6/25/7 30-50 acker /27/79 0.0 30 30 0.0 15 15 6:1 6:1 0.0 0-50 aeker 27 79 0.1 6:1 6:1 0.45 0-50 acker 7 4 79 0.1 6 1 6:1 0. 48 14+0 62 7 0- acker 27 7 0.0 30 30 6:1 6:1 0.0 1-0 aeker 27 79 0.0 15 15 6:1 6:1 0.0 0 1 0. 45 14+70 6 2 ac er 4 79 0.1 30 30 6:1 6'1 0.45 7 4 6:1 6:1 1.3 D47P 14+90 6 20 79 30-50 acker 27 79 0.1 30 30 6:1 6:1 0.48 2 7 0 15 6tl 6tl 2.4 0-50 acker 27/79 0. 1 6:1 6:1 0.45 C42S 50 15+10 6 27 7 30-50 acker /4/79 0.0 30 30 6:1 6:1 0.0 cker 4 79 0.15 15 15 6:1 6:1 0.9 50 15+30 6 20/79 30-50 acker 26 79 9. 75 30 30 6:1 6:1 10. 8 15 6:1 6:1 0.48 C43S 50 15+50 6 27/79 30-50 cker 28 7 30 30 6:1 6:1 2.6

ESASCO SERV INCORPORATED RECORO QF ORI LLIN GROUTING OPERATIONS Project: earon Harris Nuclear Power Plant Auxilia Dam (CAR 1425.001) te: 9579 Feature: C ' Groutin Sheet ~ef Drawing No.:CAR 2167 G-7779 DRILLING G ROUTING Pressure W/C Maximum Hole Depth in tation Date Depth Nipple/ Date Bags Rate in Remarks Feet No. Drilled G routed Packer Granted injected Max. Min Min Bags / Hr.

c4 s acker 6 28 79 0.4 6:1 ~

1 0-50 acker 28 79 0.2 6 1 6:1 1.8 D49P 50 15+70 6 1 7 30- ac er 2 7 14. ~

] ] ~

15-50 acker /26/79 0.0 15 6:1 6:1 0.0 0-50 acker 26 79 0.15 7 6:1 6:1 .48 15+90 6/27 7 30-50 acker 28 79 0.0 30 30 6:1 6:1 0.0 6:1 6:1 2.6 16+70 6/26/79 30-50 acker /28/79 0.6 30 30 6:1 6:1 1.8 0-50 acker 28 79 0.15 7 6:1 6:1 1.8 15- ac e 6 26 79 30-50 acker 30 30 6:1 6'1 3.0 2.

15-50 acker 21 79 0.0 15 6 1 6:1 0.0 acker 21 7 0.0 6:1 6:1 0.0

~

] 6:1 0. 48 0- 0 ac

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Auxilia Dam (CAR 1425.001 Date:

Feature: Curtain Groutin Sheet 10 of 21 Drawing No.:CAR 2167 G~779 DRILLING G ROUTING Pressure W/C Maximum Hole Depth in Statio Date Depth 'ipple/ Date Bags Rate in Remarks Feet No. Drilled G routed Packer G routed Injected Max. Min Bags / Hr.

U48T 50 17+60 6/26/7 30-50 acker 6/26/79 0.6 30 30 6:1 6'1 2.4 17+70 6177 30- 0 acker 6 21 79 0.1 30 30 6:1 6:1 0.9 15- 0 acker 6 21 79 0.1 15 15 6t1 6:1 0.9 0-50 acker 6/21/79 0.0 7 7 6:1 6:1 0.0 0-50 acker 6/22/79 3.0 6:1 6:1 3.6 949T 15 18+00 6 25 7 0-15 acker 6 26 79 0.0 6:1 6:1 0.0 2

~

1 50 18+30 6 21 7 30-50 acker 6 22 79 0.1 ~

1 ~

] 0.

aker 6227 0.1 15 6:1 6:1 0.

0-50 acker 6 22 79 0.3 6:1 6:1 1.8

~

] 6:1 0,0 0-50 acker 6 21 79 0.1 6:1 6:1 0.9 er 6 22 7 0. 2 30 30 6:1 6:1 1.8

~

1 6 1 0.0 0-50 acker 6 22 79 0.3 6 1 6:1 1.8 0 0 6:1 6:1 0.9 acker 6 21 79 0.2 15 15 6'1 6:1 0.9 0-50 acker 6 21/79 0.1 6:1 6:1 0.9 22 7 0.1 30 30 6:1 6:1 0.9 6 22 7 0.3 15 15 6:1 6:1 3.0 acker 6 22 79 0.6 6 1 6:1 6.0 c er 6 20 7 0.0 30 30 6:1 6:1 0.0 15-50 acker 6 20/79 0.4 15 15 6:1 6:1 1.8 0-50 acker 6/20/79 0.1 6:1 6:1 1.8 U53T 15 19+40 6/25/7 0-15 acker 6/26/79 0.2 6:1 6:1 0.9 6:1 6:1 0.0 15 acker 6 22 79 15 15 6:1 6:1 0.9

EBASCO SERV INCORPORATED RECORD OF DRILLING GROUTING OPERATIONS Project: earon Harris Nuclear Power Plant Auxilia Dam (CAR 1425.001 Feature: Groutin Sheet 11 of 21 Drawing No..'CAR 2167 G-/779 DRILLING G ROUTING Pressure W/C Maximum Hole Depth in Statlo Date Depth Nipple/ Date Bags Rate in Remarks Feet No. Drilled Grouted Packer G routed Injected Min Min Bags/ Hr.

C53S 50 1+ 21 Sur D T Su f 30 C55S 0 20+ 0

EBASCO SERVICES INCORPORATEO RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Auxilia Dam (CAR 1425.001 Date: 3/2//79 Feature: Cut 'routin Sheet 12 of 21 Drawing No.:CAR 2167 G-DRILLING G ROUTING Pressure W/C Maximum Hole Depth in Statio Date Depth Nipple/ Date Bags Rate in Remarks Feet No. Drilled Grunted Packer G routed Injected Max. Min Max Bags / Hr.

D61P 50 20+50 12/7 7 30-50 acket. 12/15/7 0.6 30 30 4:1 4 1 1.2 15-50. acker 12/15/7 0.7 15 15 4:1 4 1 1.2 C56S 0 20+70 1 24 e 1 15-50 acket. 1 30 7 0.6 15 15 6t1 6:1 1.8 0-50 acker 1 30 79 0.2 6:1 6:1 0. 45 U62P 50 29+90 12 7 7 30-50 acket. 12 15 7 0.8 30 30 4:1 4:1 1.2 15-50 acker 12/16/7 5.2 15 15 41 3:1 5.4 ac 12 16 7 0 1 ~

] 4 1 .6

~

1 6 1 0.4 15-50 acker 2 12 79 0.3 15 15 6I1 6:1 1.2 0-50 acker 2/12/79 0.1 6:1 6:1 0. 45 C 6 15- 0 acket. 1 30 7 2.3 15 15 6:1 6:1 1.2 Com C56S 0-50 acker 1 30 79 0.5 6:1 6:1 1.2 21+2 2 8 a e 2 12 79 0.6 15 15 6I1 6:1 1.2 21+30 12 8 7 15-50 acker 12 16 7 2.6 15 10 4:1 3:1 4.2 21+30 12 8 7 0-50 acker 12 16 7 3.3 4:1 2:1 10. 2 Surface leaks D 8T 21+40 2 6 7 0-1 acket. 2 8 79 0.1 6:1 6:1 0. 45 C58S 50 21+50 1 10 7 0- 0 acket. 1 29 79 0.1 30 30 6:1 6:1 1.8 e 1 2 7 0.2 15 15 6:1 6:1 1.2 6:1 9.6 Surface leaks U 8T 21+60 2 5 79 0-15 acket. 2 8 79 0.1 6:1 6:1 0.45

.0 30 4:1 4:1 0.0 21+ 12 7 7 1-0 acker 12 16 7 0.5 15 15 41 4:1 1.2 21+70 12 7 7 0-50 acker 12/16/7 13. 6 4 1 16. 2 Surface leaks U59 50 21+ 0.45 21+75 2 12 7 1-0 acket. 2 13 79 0.2 15 15 6:1 6:1 0.45 U T 21+8 2 r28 1.8 30 30 6:1 6 1 3.6 21+80 2 5 7

EBASCO SERV INCORPORATED RECORD OF DRILLING G ROUTING OP E RATIONS Project: earon Harris Nuclear Power Plant Auxilia Dam (CAR 1425.001 . 3/27/79 Feature: Cur tain Groutin Sheet 13 of 21 Drawing No.:CAR 0167 G-DRILLING GROUTING Pressure Maximum Hole Depth in Statio Date Depth Nipple/ Date Bags Rate in Remarks Feet No. Drilled Grouted Packer G routed Injected Max. Min Bags / Hr.

D59 50 21+85 2/12/7 30-50 acker 2/13/79 0.2 30 30 6:1 6:1 0.9 21+85 2 12 7 15-50 acker 2 13 79 0. 1 15 15 6:1 6:1 0. 45 21+85 2/12 7 0-50 acker 2 13 79 0. 9 6:1 6:1 1.8 H 0 Com D59T 21+ 0 21+90 1 10 7 0-50 acker 1 25 79 2.3 6:1 6:1 1.2 Surface leaks D5 T 50 22+00 2 7 3-0 acker 2 8 7 0.7 6:1 1 2 22+00 2 5 79 15-50 acker 2 8 7 0.1 6:1 6 1 0 4 22+00 2 5 79 0-50 acker 2 8 79 0.3 6:I 6 1 0.9 D65P 50 22+10 1211 8 acker 1 79 1.0 30 30 6:1 6:1 2.4 22+1 12 22+10 11 78 0- 0 acker 1 7 1 65 6 1 6 1 3 6 C60S 50 22+30 1107 3-0 acker 1 26 79 0.3 30 30 6:1 6:1 0.9 22+30 1 10/7 15-50 acker 1/26/79 0.3 15 15 6:1 6:1 1.8 U66P 22+50 2 12 78 30-50 acker 1 5 79 0.7 30 30 6 1 6 1 2.4 22+ 2 1 r 1 7 0 1 15 6:1 6:1 0.9 22+50 2 1278 acker 1 5 79 0.2 6 1 6:1 1.2 C61S 50 22+70 1 11 7 30-50 acker 1 25 79 0.1 30 30 6:1 6:1 0.9 22+70 1 11 7 1-50 acker 1 25 79 0.2 15 15 6 1 6:1 0.9 22+70 1 11 7 0-50 acker 1 25 79 0.1 6:1 6 1 0.9

+90 /13/78 30-50 acker 1/5/79 0.1 30 30 6:1 6:1 0.9 22+ 0 21 78 1-0 acker 1 5 79 0.2 15 15 6:1 6:1 0.9

~ 1 7 6 :.1 r 1 7 0.1 30 30 6:1 6:1 0.9 15 6:1 6:1 0.9 1 78 0 acker 1 6 79 0.2 6:1 6:1 2.4 acker 1 25 79 0. 1 30 30 6 1 6:1 0.0 23+50 1 10 7 15-50 acker 1/25/79 0.2 15 15 6:1 6:1 1.8 6:1 6:1 1.8 23+70 2 29 78 1 0

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Auxilia Darn (CAR 1425.001 Date..3/27/79 Feature: Cur tain Groutin Sheet 14 of 21 Drawing No.:CAR 2167 G-DR IL LING GROUTING Statio Pressure W/C Maximum Hole Oepth in Oate Oepth Nipple/ Oate Bags Rate in Remarks No.

Feet 0rilled G routed Packer G routed Injected Max. Min Min /

Bags Hr.

23+70 2 29 78 0-50 acker 1679 0.2 6 1 6tl 1.8 D64T 30 23+80 13 79 0-30 acker 2 14 79 0.8 6:1 6:1 1.2 c64S 50 23+90 10 79 30-50 acker 1 26 79 0.5 30 30 6:1 6:1 1.8 23+90 10 7 15-50 acker 1 26 79 8.9 15 15 6:1 2:1 3.6 1 2 6 1 1 8 D64 15 23+ 0 0 corn D64T

~

1 6:I 0.

6~] 6'1 1.8 6 1 0 45 6 1 0.0 cker 1 29 79 0.3 30 30 6:1 6 1 1.8 1 - 0 acker 1 29 79 0.3 15 15 6 1 6:1 0.9 1 2 7 0.2 6:1 6:1 0.9 2 2 acker 1879 0.15 30 30 6:1 6:1 2.4 2 27 7 15-.5 acker 1 8 79 0.25 15 15 6:1 6:1 1.8 24+90 2 27 78 0-50 acker 1879 1.0 6:1 6:1 1.8 25+10 29 79 30-5 acker 1 31 79 0.0 30 30 6:1 6:1 0.0 a ker 1 31 79 0.0 15 15 6:1 6:1 0.0 2 +1 2 7 0-50 acker 1 31 79 0.0 6:1 6:1 0.0 cker 1 10 79 O.l 30 30 6:1 6:1 0.9 ker 1 10 79 0.3 15 15 6:1 6:1 0.9 cker 1 10 79 0.1 6tl 6:1 0.9 03 30 30 6:1 6:1 0.9 1 31 79 0.5 15 15 6:1 6:1 1.8 1 1 7 0.4 6:1 6:1 0.9 surface leak 30 30 6:1 6:1 1.8 6:1 6:1 1.2 2 29 7 0 50 acker 1 10 7 sur ace

EBASCO SERV) INCORPORATED RECORD OF GROUTING OPERATIONS 3/27/79 DRILLING'roject:

Garon Harris Nuclear Power Plant Auxilia Dam CAR 1425.001 Feature: Cununin Groutin Sheet 15 of 21 Drawing No.:CAR 2267 G-DRILLING G ROUTING Pressure W/C Maximum Hole Depth in Station Date Depth Nipple/ Date Bags Rate in Remarks Feet No. Drilled G routed Packer G routed injected Max. Min Min Bags / Hr.

6:1 0.9 25+90 30 79 15-5 acker 1 31 79 0.5 15 15 6:1 6:1 1.5 25+90 30 79 0-50 acker 1 31 79 0.0 7 6:1 6:1 0.0 D P 2 +10 8 79 30-5 acker 1 11 79 0.2 30 30 6:1 6:1 2.4 r 1117 0 2 15 6tl 6:1 0.9 acker 1 ll 7 0.1 6:1 6:1 1.8 kr '257 0.0 30 30 6:1 6:1 6tl 0.0 3.0 water flowin from to sta e of hole 6:1 6tl ~

1 0.

r 216 0 1 30 30 6 1 6'1 0.45 6 1 6:1 0.45 k 2 1 7 0.0 6:1 6:1 0.0 kr 2579 3.8 30 30 6:1 4:1 7.2 surface leaks e water kr 2579 0.4 15 15 6:1 6:1 1.8 flowin from sta e 2 0 3 7 7 6:I 6tl 0.9 6:1 6:1 0.0 r 2 1 7 0.0 15 15 6'1 6:1 0.0 6:1 6:1 0.45 30 30 6:1 5:1 3.6 15 6:1 6:1 1.8 6:1 0.45 6'1 6:1 0.0 6:1 6tl 0.45 6 1 0 0 30 6 1 6 1 0.9 12 78 15-50 acker 1 31 79 1.9 15 15 ~

1 ~

1

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Auxilia Dam (CAR 1425.001 Date:~3/27 79 Feature: . Curta<< Groutin Sheet 16 oI 21 Drawing No.:CAR 2167 G-DR IL LING G ROUTING S tattoo Pressure W/C Maximum Depth in No. Date Depth Nipple/ Date Bags Rate in Remarks Feet Drilled G routed Packer G routed Injected Min Max Min Bags/ Hr.

D77P 26+90 12 78 0-50 acker 1/31 79 0.5 0- 0 acker 2 12 79 0.1 30 30 6:1 6s1 0.9 27+10 2 1 79 15-50 acker 2 12 79 0.1 15 15 6:1 6:1 Q.9 27+10 2 1 79 0-50 acker 2 12 79 0.2 6:1 6:1 0.45 1 7 0 1 6 1 6:1 0.45 2 +30 1 4 7 1 -5 cker 1 30 79 0.0 15 15 6:1 6:1 0.0 2+0 1 3 4. 6:1 4:1 9.0 surface leaks 0 45 D75T 50 28+40 2/1 /79 30-50 acker 2/1 /79 0.1 30 30 6:1 6:1'.9 C76S 50 28+70 2 1 7

( ) EBASCO SERVI INCORPORATED RECORD OF DRILLING ROUTING.OP E RATIONS Project: aron Harris Nuclear'Power Plant Auxilia Darn CAR 1425.0D1 .~327 79 Feature: C

' Groutin 1 Sheet 17 of 21 Drawing No.:CAR 2167 G-DRILL'ING GROUTING Station 'ressure w/c 'Maximum Hole 'Depth in No. Date Depth Nipple/ Date Bags Rate in Remarks Feet Drilled G routed Packer G routed Injected Max. Min 'ax 'Min Bags / Hr.

C78S 29+50 1 31 79 15-50 acker 2179 0.0 15 15 -6:1 6:1 0.0 2 +50 1 31 79 0-50 acker 2179 0.2 6:1 6:1 0.9 U84P 50 29+70 12 14 7 30-50 acker 12 18 7 0.0 30 30 6:1 6:1 0.0 29+70 12 14 7 15-50 acker 12 18 7 1.9 15 15 6 1 6:1 4.8 acker leaked reset 8 P 2 18 7 ~

1 6:1 C7 S 2 +90 2 20 8 30- 0 acker 2 22 78 0.2 30 30 6 1 6:1 0.6 12 2 2 22 78 1.2 15 1 6:1 6:1 3.6 acker leaked reset 12 21 0 2 6:1 6:1 1.2 121 7 0.1 30 30 6:1 6tl 0.9 121 7 O.l 15 15 6:1 6 1 0..9 12 19 7 0.6 6'1 6 1 2.4 surface leak (small) 1 7 0.8 30 30 4:1 4:1 1.2 0 2 15 15 4:1 4tl 1.2 2 21 cker 1579 13.0 4:1 15.6 surface leaks 121 7 0.0 30 30 6 1 6 1 0.0 12 1 0 15 15 15 6:1 6:1 0.9 2 7 0 0 6:1 6:1 0.9 30 4~ 1 4tl 1.2 1 4 79 15-50 acker 1/6/79 0.2 15 15 4'1 4 1 2.4 31+50 1 4 79 0-50 acker 1 6 989P 1+ 0 12 1+ 0 12 1

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Charta Harris Nuclear Power Plant Auxilia Project: Shearon Darn (CAR 1425.001 Date:~~

Feature: . . Groutin Sheet 18 of 21 Drawing No.:CAR 2167 G-DR ILLING GROUTING Station Pressure 8/C Maximum Hole Depth in Date Depth Nipple/ Date Bags Rate in Remarks Ho.

Feet Drilled G routed Packer G routed Injected Max. Min Min Bags / Hr.

C84S 50 31+90 1/4/79 30-50 acker 1/6/79 0.5 30 30 6:1 6:1 2.4 31+90 1/4/79 15-50 acker 1/6/79 0.4 15 15 6:1 6:1 0.9 31+90 1/4/79 0-50 acker 1/6/79 0.0 6:1 6:1 0.0 U90P 50 32+10 12/17/7 30-50 acker 12/21/7 0.5 30 30 6:1 6:1 1.8 32+10 12 17 7 15-50 acker 12/21/7 0.3 15 15 6'1 6:1 2.4 32+10 12 17 7 0-50 acker 12/21/7 0.7 6:1 6:1 0.0 C85S 50 32+30 1 5 79 30-50 acker 1 6/78 0.3 30 30 6 1 6:1 1.2 32+30 1 5 79 15-50 acker 1 6 78 0.0 15 15 6:1 6:1 0.5 0- 0 aeker 1 6 78 0.4 6:1 6tl 1.8 1221 16 30 30 6 1 6 1 7.2 12 21 7 0.4 15 15 6:1 6:1 1.8 r 12 21 7 0.2 6tl 6:1 1.8 0 30 6:1 6 1 1.8 6:1 6tl 2.4 2+7 1 5 79 0-50 acker 1 8 79 0.1 6 1 6:1 0.9 32+90 12 20 7 30-50 acker 12 21/7 6.2 30 30 6:1 5~1 8.4 32+90 12 20 7 15-50 acker 12/22/7 4.9 15 15 6:1 5 1 4.8 32+90 12 20 7 0-50 aeker 12/22/7 3.7 7 5 9.6 surface leaks 50 33+10 2 27 79 30-50 acker 2/28/79 0.2 30 30 6:1 6:1 0.9

+1 2 27 79 15-50 acker 2 28 79 0.1 15 15 6:1 6:1 0.45 33+10 2 27 79 0-50 acker 2/28/79 0.5 7 7 6:1 6:1 3.0 surface leak 3+30 1 17 79 30-50 acker 1 29 79 0.2 30 30 6:1 6:1 1.8 3+3 1 17 .79 15-50 aeker 1 29 79 0.0 15 15 6:1 6tl 0.45

+ 0 1 17 79 0-50 acker 1 29 79 0.0 6:1 6:1 0.0 aeker 2 28 79 0.1 30 30 6:1 6:1 0.9 2 22 7 15-50 acker 2 28 79 0.0 15 15 6:1 6:1 0.0 2 22 0- 0 acker 2 28 79 0.0 6:1 6:1 0.0 0 acker 1 29 79 0.1 30 30 6:1 6:1 0.45 acker 1 29 79 0.1 15 15 6:1 6:1 0.9 r 1 29 79 0.0 7 7 6:1 6:1 0.0 acker 3 1 79 0.0 30 30 6:1 6tl 0.0 ker 3 1 79 0.0 15 15 6:1 6:1 0.0 1 7 0.1 6tl 6:1 0.9 1.8 1 50 acker 1 31 79 15 1

EBASCO SERVI INCORPORATED RECORD OF DRILLING'. ROUTING OPERATIONS.

Project: aron Harris Nuclear Power Plant Auxilia Dam (CAR 1425.001 3/27/79 Feature: tt ain.. Groutin Sheet 19 of 21 Drawing No.:CAR 2167 G-DRILLING G R'OUTING.

Pressure; WIC Hole'epth in Station Date Depth Date- Bags'. Min'aximum Rate in- Remarks Nipple/

Feet No. Drilled G routed: Packer G routed- Injected Max. Min Max Bags'/ Hr.

30 6 1 601 1.2 6 1 6tl 0.45 6:1 6:1 1 2 1 31 79 30-50 packer 1 3 34+60 3 8 7 0 1 D91 15 34+85 3 12 79 0-15 acker 3 12 79 0.1 6:1 6:1 0.6 leaks D97P 50 34+90 1 19 78 30-50 acker 1 31 79 0.0 30 30 6:1 6:1 0.0 34+90 1 19 78 15-50 acker 2 1 79 0.2 15 15 6:1 6:1 0.45 34+ 0 11 8 0- cker 2 1 7 0 0 6:1 6:1 0.0 C 2S 35+10 2 2 1 0 acker 3 7 79 0.6 15 15 6:1 6:1 1.8 35+10 2 26 8 0- acker 3 7 7 0.2 6:1 6 1 0..9 U98P 50 35+30 1 23 79 30-50 acker 2 1 79 4.0 30 30 6:1 5:1 3.6 35+30 1 0 ac er 2 1 79 0.2 15 15 6 1 6:1 1.8 6:1 6'1 1.2 1 6sl 0 0

~

1 0

~

1 r 2279 0.0 15 15 6:1 6:1 0.0 35+70 1 24 79 0-50 acker 2/2/79 0.1 7 7 6:1 6:1 0.9 C94S 50 35+90 2 28 79 30-50 acker 3/8/79 0.2 30 30 6 1 6'1 0.9 35+90 2 28 79 15-50 acker 3 8 79 0.5 15 15 6:1 6:1 0.9 2 2 acker 3 8 79 0.1 6 1 6'1 0.45 r 227 0.0 30 30 6:1 6:1 0.0

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Auxilia Feature: Cnr48in . Groutin Drawing No.:CAR 2167 G-Dam (CAR 1425.001 Date:

Sheet

/

~of ~

I DRILLING GROUTING Pressure W/C Maximum Hole Depth in Station Date Depth Nipple/ Date Bags Rate in Remarks Feet No. Drilled Grouted Packer G routed Injected Max. Min Min Bags / Hr.

6 1 6:1 0.0 30 30 6tl 6:1 0.45 6:1 6:1 0.9 1 8 2 22 11.5 30 30 6tl 2:1 2.4 15 6tl 6:1 0.45 6 1 0.45 0-50 acker 3 9 79 0.0 30 30 6:1 6tl 0,0 r 3 79 0.1 15 15 6tl 6:1 0.9 79 0.2 6:1 6:1 1.8 223 9 00 30 30 6 1 6tl 0.0 15 15 6:1 6tl 0.0 0 1 6:1 6:1 0.9 U97 30 36+95 3 13 79 15-30 packer 3 14 79 0.0 6:1 6:1 0.0 U T 37+00 3 12 79 30-50 acker 3 13 79 0.1 30 30 6:1 6:1 0.45 3 0 3 12 79 15-50 acker 3 13 79 2.6 15 15 6:1 6:1 1.8 3 0 3 12 7 0-50 acker 3 13 79 0.0 6:1 6:1 0.0 cker 3 14 79 0.05 15 15 6:1 6:1 0.45 acker 3 14 79 0.05 7 6:1 6:1 0.6 0 acker 3 9 79 4.3 30 30 6:1 5:1 4.5 acker leaked reset 1 0 acker 3 9 79 7.3 15 15 6:1 2:1 4.8 acker leaked, reset 12 7 0.1 6:1 6:1 0.45 50 37+20 3 12/79 30-50 acker 3 13 79 0.1 30 30 37+20 3/12/79 15-50 acker 3/13 79 0.1 15 15 c er 3 13 79 0.0 6:1 6:1 0.0 0.0 30 30 6:1 6:1 0.0 2.1 15 15 6 1 6 1 2.4 6:1 6tl 2.4 2 0 30'5 30 6:1 6:1 1.2 15 6 1 6:1 1.2 6tl 6:1 3.6 37+70 acker 30 30 6:1 6:1 5.4 pac er

EBASCO SERVIC INCORPORATED RECORD OF DRILLING ROUTING OPERATIONS Project: on Harris Nuclear Power Plant Auxilia Darn (CAR 1425.001 Feature . Groutin Sheet 21 of 21 Drawing No.:CAR 2167 G-D R ILL ING GROUTING Station Pressure

'ole W/C Maximum Depth in No. Date Depth Nipple/ Date Bags Rate in Remarks Feet Drilled Grunted Packer G routed Injected Max. Min Bags/ Hr.

1 30 79 0-50 acker 3/7/79 0.0 6:1 6:1 0.0 U99T 50 37+80 3 13/79 30-50 acker 3/14/79 0.05 30 30 6:1 6:1 0.6 37+80 3/13/79 15-50 acker 3/14/79 0. 05 15 15 6:1 6:1 0.6 37+80 3/13/79 0-50 acker 3/14/79 0.0 6:1 6 1 0.0 C99S !50 37+90 3/8/79 30-50 acker 3/12/79 7.7 30 30 6:1 6:1 8.4 37+90 3/8/79 15-50 acker 3/13/79 0.3 15 15 6:1 6:1 1.8 37+90 3 8 79 0-50 acker 3/13/79 0.1 6:1 6:1 1.8 D T 50 38+00 3 13 79 30-50 acker 3 14 79 0.0 30 30 6:1 6:1 0.0 8W 3 13 79 15-50 acker 3 14 79 0.05 15 15 6:1 6:1 0.45 3 14 79 0.5 6:1 6:1 1.8 cker 3 7 79 1.7 30 30 6:1 6:1 2.9 1.0 15 15 6:1 6:1 1.8 6:1 6:1 0.9 30 30 6:1 6:1 0.9 6:1 6:1 Q.9 6:1 6:1 0.9 6tl 1.8

~

] 6tl 0.0

~

] 0.9

-50 acker 3 14 79 0.2 15 6 1 6 1 1.8 0 acker 3 14 79 0.1 6:1 6:1 0.9 acker 3 12 79 9.2 30 30 6:1 8.1 cker 3 12 79 0.1 15 15 6'1 6 1 0.9 3 12 79 0.1 6:1 6:1 0.9 0 acker 3 14 79 0.0 30 30 6:1 6:1 0.0 er 3 14 79 0.0 15 15 6:1 6:1 0.0 3 14 79 0.1 6:1 6:1 0.9

8.4 AUXILIARYDAM CONSOLIDATION GROUTING

-128-

EBASCO SERV S INCORPORATED RECORD OF DRILLIN GROUTING OPERATIONS Project: earon Harris Nuclear Power Plant - Auxilia Darn CAR 1425.001 ,. 8/10/79 Feature: Consolidation Groutin Sheet 1 of Drawing No.:CAR 2167 G- 6269 DRILLING G ROUTING'ole Angle of Pressure W/C Maximum Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled G routed Packer G routed Injected Max. Min Max Min Bags/ Hr.

E10A 20 vert 5 9/79 20 acker 5 9 79 .2 4:1 4:1 OA1 20 vert. 5/7/79 20 acker 5/8/79 0 4:1 ~

1 OB1 20 vert. 577 20 a r 8 OA2 20 vert. 5 7 79 20 acker 8 79 4 1 4:1 8 7 OA3 OA4 20 vert. 5 4 OB4 20 vert. 5 4 79 20 acker 9 79 4 1 OA5 20 vert. 577 OB5 20 vert. 54 79 20 i e OB6 20 vert. 5 7 79 20 ac r OB7 1 2 4:1 OA vert 4:1 OA10 20 v rt OB10 20 vert. 5 7 79 20 acker 8 79 1.0 4:1 2.4 Comm. 1B1 lAl 20 vert. 5/4/79 20 ni le /8/79 4~1 4~] 1.2 Comm. OB1 1B1 20 vert. 547 cer 8 20 vert. 547 20 n le 87 1B2 20 vert. 5 4 79 20 acker 7 79 .2 4 1 1 2 1A4 20 vert. 5 4 79 20 ni le 7 79 4:1 4:1 1.2 1B4 20 vert. 5 4 79 20 acker 7 79 4:1 Mater Comm. 1B3 lA5 20 vert. 5 1 79 20 acker 3 79 6 1 6:1 .45 1B5 20 vert 5 1 79 20 acker 3 79 6 1 6:1

~

I 6:1 1A7 20 vert 1B7 20 vert. 5179 20 ac er 3 79 ~

1 6:1

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Auxilia Darn (CAR 1425.001 Date: 8/10/79 Feature: Consolidation Groutin Sheet 2 of 30 Drawing No.:CAR 2167 G- 6269 DR IL LING G ROUTING Angle of Pressure W/C Maximum Hole Oepth in Hole from Date Oepth Nipple/ Oate Bags Rate in Remarks Feet Horizontal Orilled G routed Packer G routed Injected Max. Min Max Min Bags/ Hr.

1AS 20 vert. 5 1 79 20 acker 5379 6:1 6:1 1BS vert. 1 7 20 acker 3 79 ~

] 6:1 lA9 20 vert. 5/1/79 20 acker 5/3 79 5 5 6:1 6:1 1B9 20 vert. 5 179 20 acker 5 3 79 6t1 ~ 6:1 1A10 20 vert. 5/1/79 20 acker 5/3/79 4:1 4t1 1B10 20 vert. 517 20 acker 3 7 4:1 4t1 Al e t 2A2 20 vert. a k ~

1 2B v r 2A4 20 vert. 5 2 79 20 acker 5379 4:1 4.1 2B 20 vert. 1 7 4 1 4:1 2.4 2B5 20 vert. 5 2 79 20 ni le 5479 0 5 5 4:1 4:1 2A6 20 vert. 527 20 acker 5479 5 5 4:1 4:1 2A7 20 vert. 5 79 20 acker 5479 ~ l 4:1 4:1 1.2 1.2 4I1 4:1 2A8 20 vert. 5/3/19 20 ni le 5/4 79 5 5 4 1 4:1 2B8 20 80DE 5 3 79 20 ni le 5/4/79 4 1 2A9 20 vert. 5 3 79 20 acker 5479 4:1 2B 20 vert. 5 3 79 20 ni le 5479 5 5 4:1 4 1 2Al 20 vert. 537 20 ni le 5479 5 5 4:1 4 1 2B10 20 vert. 5/3/79 20 ni le 5/4/79 5 5 4:1 4 1 3B1 20 vert. 5 3 79 20 ni le 5479 4:1 4 1 5 5 4 1 4:1 3B2 20 vert. 5 3 79 20 ni le 5/8/79 41 41 1.2 20 vert. 5379 20 acker 5879 .2 4 1 2.4 3B3 20 vert. 5/3/79 20 ni le 5/8/79 41 41 1.2 v r e 587 4 1 4:1 A5 20 vert. 5379 20 ni le 5 8 79 4:1 4:1

EBASCO SERVI S INCORPORATED RECORD OF DRILLIN GROUTING OPERATIONS Project: aron Harris Nuclear Power Plant Auxilia 'Dam (CAR 1425.001 .a~Hi.w Feature: Consolidation Groutin Skeet 3 of 30 Drawing No.:CAR.2167'G-DRILLING G R'OUTING Angle of Pressure W/C Maximum Hole Oepth'in Hole from Date Oepth Nipple/ Oate Bags Rate in Remarks Feet Horizontal Orilted Grouted Packer G routed Injected Max. Min Max Min Bags / Hr.

3B5 20 vert. 5 4 79 20 ni le 587 3A6 20 vert. 5 3 79 20 acker 5879 4tl 4sl 1.2 8 o 3B7 20 vert. 5 3 79 20 ni le 5879 .2 4'1 4 1 1.2 3A8 20 vert. 5 3 79 20 ni le 5879 4'1 4:1 1.2 Al v r 3B10 20 vert. 5 3 79 20 ni le 8 79 4'1 4tl 2.4 20 ve 4B1 20 vert. 6/29/7 4'1 4:1 20 vert. 6 29 79 20 ni le 3 7 4 ~

1 4'1 4B2 20 vert. 6 29 7 20 ni le 7379 4 1 4:1 20 vert. 6297 2 le .2 4:1 1.2 4B3 20 vert. 6/29/79 20 ni le 7/3/79 4:1 3 79 2.3 3:1 3.6 4B4 20 vert 6/29 79 4:1 4tl 1.2 4 1 4:1 1.2 4B5 20 vert. 6 29 7 20 acker 7 2 79 .8 4tl 4'1 1.2 Surface Leaka e 4A6 20 vert. 6/28/7 20 acker /3/79 4:1 4 1 1.2 4B6 20 vert. 6 29 7 20 packer 2 79 9.3 4:1 10. 8 4A7 20 vert. 6 28 79 20 packer 3 79 1.0 4 1 7.2 4B7 20 vert. 6 29 79 20 acker 3 79 .6 4 1 2.4 4A8 20 vert. 6 28 79 20 nipple 29/79 .2 1.2 4:1 4tl 4B10 20 vert. 6/28/79 20 ni le 2 7 .4 4:1 1.2 5A1 20 vert. 6 27/79 20 ni le 29 79 .3 4tl 4:1 1.2 20 vert. 6 2

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Feature: Consolidation Groutin Drawing No.:CAR 2167 G-Auxilia Dam (CAR 1425.001 Date:~81~

Sheet 4 of ~

0 R ILL ING G ROUTING Angle of Pressure W/C Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled G routed Packer G routed Injected Max. Min Min Bags/ Hr.

5A3 4~1 4'1 1.2 5B3 20 vert. 6 2 SB4 20 ver . acker 6 2 5B5 20 vert. 6 2 ni 1 5 5 4 1 1.2 5A6 20 vert. 6/27/7 20 ni le 6 29 79 4:1 4'1 5B6 20 vert. 6 2 5A7 20 vert. 6 27 5B7 20 vert. 6 27 7 5A8 20 vert. 6 27 7 20 acker 29 7 4.3 5B8 20 vert. 6 27 79 20 ni le 2 7 20 acker 2 7 5A10 20 vert. 6 27 7 20 6B1 6A2 20 vert. 6 27 7 6B2 20 vert. 6 27 79 20 20 vert. 6 26 79 20 acker 2 79 .'7 4t1 4:1 2.4 Surface Leaka 6B 6B4 20 vert. 6 26 20 v r 10 79 .3 1.2 Comm. 6A6 water 6B6 6B6 20 vert A

6A7 20 vert. 6 26 79 20 acker 10 79 .55 5 5 4:1 1.8 5 5 4:1 1.8 Leaka e on pa way a 6A9 20 vert. 6 26 79 20 acker 11

. EBASCO SERV S INCORPORATED RECORD OF DRILLIN GROUTING OPERATIONS Project: earon Harris Nuclear Power Plant Feature: Consolidation Groutin Drawing No.:CAR 2167 G-Auxilia Darn ICAR 1425.001 Sheet 5 of ~

DRILLING GROUTING Angle of Pressure Maximum Hole Depth in Hole from: Date Depth: Nipple/ Date Bags W/C'in Rate in Remarks Feet Horizontal Drilled 6 routed Packer 0 routed Injected Max. Min Bags / Hr.

6B9 20 vert. 6/26/7 20 ni le 7/11/79 2.3 10.8 Leaka e on 6A10 20 vert. 6/26 7 20 acker 7 11/79 6.2 4:1 spi way wall 6B10 20 vert. 6/25/7 20 ni le 8/1/79 4:1 4:1 1.2 7A1 20 vert. 6 25 7 20 ni le 1 79 4.1 4 1 1.2 7B1 20 vert. 6 25 7 20 ni le 8 1 79 4 1 4:1 A2 ve t. 817 4:1 7B2 ve t. 6 2 8 7 .3 4I1 1 2 7C2 20 vert. 6/25/7 20 ni le 8/2/79 .3 4:1 4 1 1.2

~

] 4:1 1 2 7A4 20 vert. 6227 2 ni le 8179 6'1 6:1 7B4 20 ver t. 6 22 7 20 acker 8 1 79 2.8 4'1 3:1 5.4 Surface Leaka e 7C4 vert 6 22 8 2 4:1 1.2 7D4 20 vert. 6227 2 ck 2 7 4 1 4 ~

4:1 4:1 1 2 7D5 20 vert. 6 22 7 7A ve t 6 1 6 1 7B6 20 vert. 6 22 7 20 acker 2 79 4:1 .6 4 ~

4 1 .6 6 1 6:1 4'1 2.4 e t 6 2 akr 2 7 4:1 6:1 4:1 .6 A8 v cke 6 1 7B8 20 vert. 6 22 7 20 acker 7 30 79 1.0 6:1 6 1 1.8 Comm. 7A9 7B9 7B10 20 vert 6 22 79 20 acker 31 79 4:1 1.2

~

] urfac Leaka e 7B9 20 vert. 6 22 7 20 acker 30 79 0 6:1 6:1

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Auxilia Dam (CAR 1425.001 Date: 8/10/79 Feature: Consolidation Groutin Sheet 6 of 30 Drawing No.:CAR 2167 G- 6269 DRILLING G ROUTING Angle of Pressure W/C Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled G routed Packer G routed Injected Max. Min Min Bags/ Hr.

7C9 20 vert. 6/21/7 20 acker 7/31/79 0 4 1 4:1 7A10 20 vert. 6 21 7 20 acker 7 30 79 0 6:1 6:1 7D10 20 vert. 6 21 7 2 acker 1 79 4 1 4'1 SD1 v r 20 vert. 6 18 7 20 acker 20 79 0 6:1 6 1 8B2 20 vert. 6 18 7 2 SA3 SC 8D3 20 SA4 20 vert. 6 19 7 2 SC4 20 vert. 6 19 79 20 acker 2 79 4:1 4:1 SB5 v rt. 18 SD5 20 vert. 6 1 SB6 SC6 20 vert. 6 18 SD6 20 vert. 6/18 79 20 acker /1/79 0 4 1 8A7 20 ver . 6 1 4 ~

SA8 20 vert 6 15 79 20 acker 27 79 6:1 6 1

EBASCO SER S INCORPORATED RECORD OF DRILLIN GROUTING OPER'ATIONS Project. earon Harris Nuclear Power Plant Auxilia Dam (CAR 1425.001 .e:~810 79 Feature: Consolidation Groutin Sheet 7 of Drawing No.:CAR 2167 G-DRILLING G ROUTING Angle of Pressure W/C Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled G routed Packer G routed Injected Max. Min Min Bags/ Hr.

C9 20 vert. 6 15 79 20 acker 8 2 79 4 1 4 1 .6 8D 20 v rt 6157 2 acker 8 1 79 4 1 4 1 Al 27 7 6:1 6 1 .9

~

I 0-

~

] 4'1 1.2

.2 4 ]

~

4~] 1.2 6 8 20 ack r 7 9 5.4 6.0 2 sta e routin surface ea ge r 7 4t1 4:1 .6 4:1 4.8 2 sta e routin kr 6137 4:1 acker 6 13 f79 9.7 4:1 28.8 2 sta es surface leaka e 6 12 79 4:1 4 1 12 4:1 4:1 gB 4 1 A9 acker 6 12 79 4:1 B9 k r 12 79 ~

] 9A A10 er 6 12 79 4:1 B10 a k r 6 12 79 4:1 ~

1 4:1 4~]

r 61279 1 6 4'1 4:1 6.6 comm. 9B10 10B2 12 4 1 Bg 20 vert. 6/7/79 20 acker 6 12 79 1,2 1OA vert 6 7 79 20 acker 6/12/79 20 vert. 6 79 pac er

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Auxilia Darn (CAR 1425.001 Date:~810 79 Feature: Consolidation Groutin Sheet 8 of 30 Drawing No.:CAR 2167 G-DRILLING GROUTING Angle of Pressure W/C Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled G routed Packer G routed Injected Max. Min Min Bags / Hr.

6 7 79 20 acker 6/11 79 .2 5 5 4:1 2.4 10B4 20 vert. 6/7/79 20 acker 6/11/79 5 5 4:1 4:1 1.2 10A7 20 vert. 6/6/79 20 4 1 4 1 1.2 1.2 water comm 10B6 6 ll 7 0 5 4:1 12 5 5 4:1 1.2 ll 7 0 5 4:1 4tl ll 7 153 5 5 4:1 4.1 24.0 comm.lOA9 surface leakag 4:1 1.2 2 1 5 5 3:1 3.6 2 sta e surface leaka e 1 5 5 4:1 4:1 1.2 2 5 4:1 4:1 2.4 0 5 4:1 4:1 4'1 4:1 4:1 2.4 4:1 4sl 4'1 4:1 1.2 4'1 1.2

~

1 .6 water comm llB7 1.2 6 11 79 .2 4:1 4:1 1.2 er 6 11 79 5 5 4:1 1.2 ll 79 1.7 5 4~1 3:1 10.8 surface leakage 1 5 4~1 4:1 1.2 4 1 20 6 6 79 20 acker 6 11 79 0 stages one ue sur ace .age

EBASCO SERV S INCORPORATED RECORD OF DRILLIN GROUTING OPERATIONS Auxilia 7 Project: iearon Harris Nuclear Power Plant Darn (CAR 1425.001 Feature: Consolidation Groutin Sheet 9 of 30 Drawing No.:CAR 2167 G-DRILLING G'R 0 U T. I N G Angle of Pressure W/C Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled G routed Packer 6 routed Injected Max. Min Bags / Hr.

11B10 20 vert 6 6 79 20 ni le 6/11/79 5 5 4 ~

] 4 1 1.2 12Al 20 vert. 6 6 79 20 ni le 6/11/79 0 5 5 4:1 4:1 12B1 20 vert. 6 6 79 20 ni le 6 11/79 0 5 5 4:1 4'1 12A2 20 vert. 6 6 79 20 ni le 6 11 79 .5 4:1 4:1 2.4 comm. 11A10 12B2 20 vert 6 7 20 ni le 6 ll 79 4:1 1.2 12A3 20 vert. 6579 20 ni le 6 8 79 4:1 4 1 B3 e 6879 4:1 4:1 4:1 4:1

~

] 4' 12B6 20 vert. 6 5 79 20 acker 6 8 79 5.0 5 4:1 7.2 2 sta es comm 12A5 12B5 12A7 vert. 20 ni le 6 8 79 4:1 4:1 1.2 4:1 4t1 3.6 surface leaka e 687 .8 4:1 4:1 2.4 surface leaka e 20 er 687 .8 4:1 3.6 2 sta es surface leaka e 12A 6 7 acker 6 7 79 3.7 5 4:1 8.4 comm. 12B9 12B v ~ 20 ni le 6 7 79 0 5 4:1 4tl 6 7 3 5 4'1 4t1 2.4 12B1 20 ver ni le 6 7 79 5 5 4:1 4:1 1.2 1 Al v rt 6 5 79 20 ni le 6 7 79 4:1 4:1 1..2 20 ni le 6 7 79 4:1 4:1 1.2 20 ni le 6 7 79 1.6 5 4t1 3:1 2.4 2 5 4:1 4:1 1.2 n le 6 6 79 4:1 4:1 .6 3B3 7/ 4:1 13A 7 4'1 4:1 nipple 0I 4- ~ ] 4'1

'acker 3.f'r surface leaka e 4:1 1.2

~

] 4:1 ke 667 5 5 4.1 4:1 1.2 4~ 1

EBASCO SERVICES INCORPORATEO RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Auxilia Dam (CAR 1425.001 Date: 8/10/79 Feature: Consolidation Groutin Sheet ~of 30 Drawing No.:CAR 2167 G- 6269 DR ILLING G ROUTING Ange of Pressure W/C Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled G routed Packer G routed Injected Max. Min Min Bags/ Hr.

13A8 20 vert. 6/1/79 20 acker 6 6 79 .2 4:1 4:1 1.2 13B8 20 vert. 6/1/79 20 ni le 6 6 79 .2 4:1 4:1 1.2 co 13A9 20 vert. 6 1/79 20 ni le 6 8 79 4tl 4:1 1.2 13B9 20 vert. 6/1/79 20 acker 6879 0 4:1 4:1 13A10 20 vert. 6 1 79 acker 6 7 13B10 20 vert. 6 1 79 20 acker 6779 0 4 ~

14A1 20 vert. 5 31 79 20 acker 6 8 7 14B1 20 vert. 617 k r 14A2 20 vert. 5 1 14B2 14B5 20 vert. 6 1 79 20 acker 6779 0 4:1 4:1 14A6 20 vert. 5/31 79 20 acker 6779 0 4 1 4'1 14B6 20 vert. 6179 20 acker 6779 0 41 41 14A7 20 vert. 5/31 79 20 acker 6 7 79 4:1 4:1 1.2 14B7 20 vert. 6 1 79 20 acker 6 7 14A8 20 vert. 5 31 79 20 acker 6 7 79 1.0 4~

14B8 20 vert. 6 1 79 20 acker 6779 0 :1 4:1 water comm. 14B7 14A9 20 vert. 5/31 79 20 acker 6 7 79 4:1 4:1 1.2 14B9 20 vert. 6/1/79 20 acker 6 7 79 .25 4:1 4t1 1.2 14A10 20 vert. 5 31 79 20 acker 6779 0 14B10 20 vert. 6/1 79 20 acker 6 7 79 4 1 15A1 20 vert. 5 31 79 20 acker 6 6 79 4~

15B1 20 vert. 5 31 79 20 acker 667 0 15A2 20 vert. 5 31 79 20 ni e 15B2 20 vert. 5 1 15A3 20 vert. 5317 ni e 15B3 20 vert. 5 1 7 15A4 20 vert

EBASCO SERVI S INCORPORATED RECORD OF DRILLIN GROUTING'OPERATIONS Project: aron Harris Nuclear Power. Plant - Auxilia Darn (CAR'-1425;001) 8//10 79 Feature: Consolidation.Groutin- Sheet ll of 30 Drawing No.:CAR 2167 G-D R I L'-L.lN G= G R OUT IN G-'.

Angle of Pressure- WIG" Maximum-.

Hole- Depth in. Hole, from-. Date- Depth-, Nipple/. Date- Bags. Rate in-. Remarkss.

Feet.= H orizontal Drilled G routed Packer- G routed. Injected. Max;. Min. Min- Bags / Hr.

15B5 20 vert pac er 15A6 20 vert. pac er 15B6 20 vert. 31 pac er comm. 15A6, 15A7 15A7 20 vert. 5/30/79 20 ni le 6/6/79 .9 4:1 4:1 2.4 comm. 15B6,Water Comm.15 6 15B7 20 vert. 5 31 79 20 acker 6/6/79 .3 4:1 4 1 1.2 15AS 20 vert. 5 30 79 20 ni le 6/6/79 0 4:1 4:1 15B8 20 vert. 5 30 79 20 nipple 79 .3 15A9 20 vert. 5 31 79 20 nipple 6 6 79 l. 2.4 comm. 15BS 15B9 15C9 ert. 5 31 7 20 ni le 6 6 79 .2 4:1 4:1 2.4 water comm. 15C9 20 vert. 5/31/79 20 ni le 6 6 79 1.0 4:1 15A10 20 vert. 5/30/79 20 acker 6/5/79 .3 4:1 3.6 15B10 20 vert. 5/30/79 20 acker 6/5/7,9 .4 4:1 4:1 2.4 15C10 20 vert. 5/30/79 20 acker 6 5 79- 1.5 4 1 4:1 13 ~ 2 B9 16Al 20 vert. 5 30 79 20 acker 6 5/79 4:1 1.2 water comm. 16Cl 16Bl 20 vert. 5 30 79 20 acker 6 979 .2 16C1 20 vert. 5 30 79 20 packer 6579 0 16A2 20 vert. 5 30 79 20 packer 5 9 comm. 16C2 16B2 20 vert. 5 30 79 20 packer 6579 0 16C2 20 vert. 5 30 79 20 nipple 6579 ~ water comm.l5B10 vert. 20 acker 6579 water comm.16C2 16C3 16B3 20 vert. 5/30/79 20 acker 6 5 79 3.0 4 1 3:1 4.8 comm ~

16C3 20 vert. 5 30 79 20 acker 6579 0 4 1 16A4 20 vert. 5 29 79 20 nipple 6 5 79 2.3 4:1 4 1 6.0 comm.16B3,16C3,16A3(wate )

16B4 20 vert. 5 30 79 20 nipple 1.2 16C4 20 vert. 5 29 79 20 acker 6/5/79 4:1 4:1 1.2 16A5 20 vert. 5/29/79 20 acker 6/5/79 1.05 4:1 4:1 6.6 surface leaks e 16B5 20 vert. 5/30/79 20 acker 6/5/79 4:1 4 1 1.2 16C5 20 vert. 5/29/79 20 acker 6/5/79 4:1 4.:1 1.2 16A6 20 vert. 5/29/79 20 acker 6/5/79 4:1 4 1 1.2 16B6 20 vert. 5/30/79 20 acker 6579 4:1 4: 1 2 16C6 20 vert. 5/29/79 20- acker 6579 0 4:1 4:1 16A7 20 vert. 5/29 79 20 ni le 6 1 79 .55 4 ~

16B7 20 vert. 5/29/79 20 acker 6179 .2 4:1 16C7 20 .4 4:1 2.4 16AS 20 vert. 5 29 79 20 ni le 6 1 4:1 1.2

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Auxilia Darn (CAR 1425.001 Date: 8/>0/79 Feature: Consolidation Groutin Sheet 12 of 30 Drawing No.:CAR 2167 G-DRILLING G ROUTING Angle of Pressure w/c Maximum Hole Oepth in Hole from Date Oepth Nipple/ Oate Bags Rate in Remarks Feet Horizontal Drilled G routed Packer G routed Injected Max. Min Bags/ Hr.

16B8 20 vert. 5/29/79 20 nipple 6179 16C8 20 vert. 5/29/79 20 nipple 6 1 79 16A9 20 vert. 5/29/79 20 ni le 6/1 79 4:1 4:1 vert. 5 29 79 20 acker 6179 4:1 4:1 2 7 acker 6 1 79 4:1 4:1 20 ni le 6 1 79 4:1 4:1 6 1 4:1 4:1 .6 4:1 4:1 vert. 5 2 20 ni le 5 31 79 4:1 4:1 1.2 1 7 4:1 4:1 1 7 4:1 4:1 4:1 4:1 4:1 4:1 5 5 4:1 4:1 4:1 4:1 17B4 20 vert. 5/29/79 20 ni le 5/31/79 4:1 4:1 17C4 20 vert. 5 29 79 20 acker 5/31 79 5 5 4:1 4:1 1.2 17A5 20 75o 5 29 79 20 ni le 5/31/79 5 5 4:1 4:1 17B5 20 vert. 5/28 79 20 acker 5/31/79 4:1 4:1 1.2 17C5 20 vert. 5 28 79 20 acker 5/31/79 4:1 4:1 1.2 17A6 20 vert. 5 29 79 20 ni le 5/31.79 4:1 4:1 1.2 17B6 20 vert. 5 28 79 20 acker 5/31/79 4 1 4 1 1.2 17C6 20 vert. 52879 20 ni le 5/31/79 .2 4:1 4:1 1.2 water comm. 17A6 17A7 20 vert. 5 28 79 20 acker 5 31 79 .5 5 5 4:1 4:1 1.2 water comm.l7C7 surface 1E 17B7 20 vert. 5/28/79 20 ni le 5 31 79 4:1 4:1 1.2 17C7 20 vert. 79 20 nipp e 17AS 20 vert. 5 79 2 packer 17B8 20 vert. 5 28 79 20 nipple 5 31 7 17CS 20 vert. 5 28 79 20 nipple 53179 17A9 20 vert. 5 28 79 20 nipple 5 3 17B9 20 vert. 5 28 79 20 ni le 53179 4:1 4:1 2.4 surfa 1 " "pe 17C. 20 vert. 5 28 79 20 ni 'le 5 3179 4:1 4:1

EBASCO SER ES INCORPORATED

'RECORD OF DRILLIN GROUTING OPERATIONS Project. earon Harris Nuclear Power Plant .Auxilia Darn (CAR 1425.001 te- 8/10/79 Feature: Consolidation Groutin Sheet >3 of 30 Drawing No.:CAR 2167 G- 626 D R ILL IN G GRO,UTING Angle of 'Pressure -WIG Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled G routed Packer G routed Injected Min 'Min ;Bags/ Hr.

17B10 20 vert. 5 28/79 20 nipple 5 30 9 1?C10 20 75 W 5 28 ?9 20 nipple 5 30 7 4:1 4 1 2.4 18Al 20 vert. 5/28/79 20 packer 5 30 79 4:1 4:1 1.2 comm. 18Cl 18B1 20 vert. 5/28/79 20 acker 5 30/79 .3 4:1 4:1 1.2 18C1 20 vert. 5/28/79 20 ni le 5 30 79 .9 4:1 4 1 3.6 comm. 18A1 18A2 20 vert. 5/28/79 20 ni le 5/29/79 1.1 4:1 4:1 1.2 18B2 20 vert. 5/28/79 20 ni le 5/29/79 .2 4:1 4:1 1.2 18C2 20 vert. 5/28/79 20 ni le 5/29/79 4:1 4:1 1.2 18A3 20 vert. 5 28 79 20 ni le 5 29/79 .7 4:1 2.4 comm. 18C4 18B3 20 vert. 5 28 79 20 ni le 5 29 79 4:1 1.2 18C3 20 SOOW 5 28 79 20 ni le 5 29 74 2.4 4:1 3:1 8.4 comm.l8C4 18C5 surface 18A4 20 vert. 5 28 79 20 ni le 5 29 79 .1 5 5 4:1 1.2 18B4 20 vert. 5 28 7 20 ni le 5 29 79 .9 4:1 4:1 1.2 comm. 18C4 18C4 20 vert. 5 28 79 20 ni le 5 29 79 4 1 4:1 1.2 comm. 18A4 4:1 3:1 1.2 comm.lSB4 surface leak.

28 le 2 7 .2 4:1 4:1 1.2 4:1 4:1 4 1 4 1 1.2 1.6 4 1 2:1 2.4 surface leaka e 1 2 2 0 4 ~

1.2 8.4 co . 8 w terlSA6 18A 2 .4 u c e 0

18A8 20 vert. 5/30/79 20 packer 6 1 79 3.3 4:1 3:1 co . 18 7 18BS 18B8 20 vert. 5/30/79 20 ni le 6 1 79 1.0 vert. 5 30 79 20 acker 6/1/79 2.0 5 5 4:1 3:1 4.8 2 sta es comm. 18C7 18A9 20 vert. 5/30/79 20 acker 6/1/79 3.5 5. ~

2 sta e surface leaka e 8B 20 vert. 5 30/79 20 ni le 5/31 79 .1 18C9 20 vert. 5 30/79 20 nipple 5 31 79 1 A10 vert. nppe 5. leakage near 18A6,18A8 20 n'ele 5 31 79 5 31 79 1.5

.6 4 1 4 1 4:1 2.4 3.6 19A1 20 vert. 5/25/79 20 ni le 5 31 79 2.8 1 Bl 20 vert. 5 25 7 20 acker 5 31 79 4:1 1.2 water 18AS 9 10 18B 19cl 20 vert. 5 25 79 20 ni le 5 31 79 2.3 4:1 3 1 5.4

EBA'SCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Auxilia Dam (CAR 1425.001) Date:~8/10 79 Feature: Consolidation Groutin Sheet 14 of 30 Drawing No.:CAR 2167 G-DRILLING GROUTING Angle of Pressure W/C Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled G routed Packer G routed Injected Max. Min Bags/ Hr.

19A2 20 vert. 5 25 79 20 packer 5 31 79 0 4 1 4:1 19B2 20 vert. 5 25 79 20 packer 5 31 79 ~ 1 1.2 19CZ 20 vert. 5 25 79 20 packer 5 31 79 0 19A3 20 vert. 5 25 79 20 nipple 5 31 79 1.1 ~ 1 8.

19B3 20 vert. 5 25 79 20 packer 5 31 79 0 19C3 20 vert. 5/25 79 20 nipple 5 31 79 0 4:1 4:1 19A4 20 vert. 5/25/79 20 acker 5/30 79 1.1 4:1 4:1 7.2 surface leaka e 19B4 20 vert. 5/25/79 20 ni le 5/30/79 .1 4:1 4:1 1.2 19C4 20 vert. 5/25/79 20 ni le 5/30/79 .2 4:1 .6 19A5 20 vert. 5 25 79 20 acker 5 30 79 .4 4:1 1.2 surface leaks e 19B5 20 vert. 5 25 79 20 ni le 5 30 79 0 4 1 4 1 19C5 20 vert. 5 25 79 20 ni le 5 30 79 0 4:1 4:1 19A6 20 vert. 5 25 79 20 acker 5 30 79 0 4 1 4:1 1 B6 20 vert. 5 25 79 20 ni le 5 30 79 .2 4:1 4:1 1.2 4:1 4:1 1 A7 20 vert. 5 25 7 20 ni le 5 30 7 1.0 4:1 4:1 7.8 1 B 20 vert. 5 25 7 20 acker 5 2 79 5.7 4:1 3:1 10.8 comm. 19B6 vert. 5 25 7 20 ni le 5 30 7 .3 4:1 4:1 2.4 A8 vert. le 52 7 .2 4:1 1.2 4:1 4:1 1.2 1 C8 20 vert. 5 25 20 ni le 5 29 79 .7 4 1 4. surface leaks e 1 A 20 vert. 5 25 7 20 acker 5 2 7 .7 4:1 4:1 8'.8 1 B vert 20 ni e 52 7 10 4:1 1.2 ressure erratic 4 1 4el 1.2

~

1 co 1C 4:1 .8 surface leaka e 4:1 1.2

EBASCO SERV INCORPORATED Project: Shearon Harris Nuclear Power Plant Auxilia Dam (CAR-1425.001 a<<: 3/27/79 Feature: Consolidation Groutin Sheet 15 of 30 Drawing No.:CAR'2167 G-D'Rl L'I I N G G ROUTING of Pressure- W'IC- Maximum Hole Feet-'ngle Depth in Hole from Date'rilled Depth'routed Nipple/ Date' Rate in Remarks Horizontal Packer routed Bags'hjected Max. Mm Min Bags/ Hr.

20Al 20B1 20 20 vert.

vert.

0/11/7 0/ll/7 20 ni ni 1'e 1/02/7 -21.0 le 1/03/7 4.4 6tl ltl 8. 4" comm. 20C3 20 6:1 3:1 3.0 20cl 20 vert. 0/12/7 20 ni le routed b comm.

20AC1 20 vert. 1/13/7 20 ni le 1/14/7 1.1 6:1 6:1 1.8 20CB1 20 vert. 1/13 7 20 ni le 1/14/7 6:1 6:1 .5 20A2 20 vert. 0 12 7 20 ni le 1 02/7 6:1 6:1 20B2 20 vert. 0127 20 ni le routed b comm.

20C2 20 vert. 0 12 7 20 ni le routed b comm.

2 CB2 20 vert. 1137 20 ni le 1 14 7 3.8 6:1 2:1 3.9 6:1 6:1 1027 5.8 6:1 3:1 3.0 comm. 20A2 1 2 7 7.8 6:1 2:1 6.0

.0 routed b comm.

6:1 .5 65OE 0/12 7 20 ni le routed b comm.

20B4 20 80OE 0/12/7 20 ni le 0/31/7 5.3 6:1 5tl 2.4 20C4 20 60OE 0/13/78 20 ni le grouted by comm.

20AC4 20 vert. 1/13/7 20 acker 1/15/7 2.0 4:1 1:1 2.7 20A5 20 vert. 0/12/7 20 ni le 0/20/7 .2 6:1 6:1 .6 20B 20 vert. 0127 20 ni le 0/20/7 .3 61 61 .12 20C5 20 vert. 0/13/7 20 ni le 0/19/7 8.5 6:1 3:1 3.6 water comm. 20C4 20A6 20 vert. 0/12 7 20 ni 'le 0/19/7 1.4. 6:1 6:1 3.6 20B6 20 vert. 0127 20 ni le 0/20/7 .6 6 1 6:1 .5 20C6 20 vert. 0137 20 ni le 0/19/7 1.6 6:1 6'.1 1.9 vert. 0127 20 ni le- 0 207 1.3 6:1 6:1 1.8 comm. 20C7 20A6 20 vert. 0 12 7 20 ni 1e 0237 .4 6:1 6 1 .7 20 80OE 0 13 7 20 ni le 0 20 7 6:1 6:1 .7 vert 1 14 7 20 ni le 1 7 .2 6 1 6:1 .5 20A8 20 vert. 0127 20 packer 0 7 .13.2 6:1 1:1 8.4 hole washed + rehooked 20B8 20 vert. 0/12/7 20 ni le 0 23 7 .2 comm. 20B9, 20C8 20C8 20 vert. 0137 20 ni le 0 23/7 .6 6:1 6:1 .9 ert. 1 14 20 ni le 1 15 7 1.9 4:1 3:1 3.0 comm. 20CB9 20A9 20 vert. 0/12/7 20 ni le 0 27 7 6:1 20B9 20 vert. 0 12 7 20 ni le 0/23/7 6:1 6:1 .45 20C9 20 vert. 0 1 nipp e grou e y comm.

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROVTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Auxilia Darn (CAR 1425.001 Date:~~~

Feature: Consolidation Groutin Sheet 16 of 30 Drawing No.:CAR 2167 G- 6269 DRILLING GROUTING Angle of Pressure W/C Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled G routed Packer G routed injected Max. Min Max Min Bags/ Hr.

20AC9 20 vert. 1/14/7 20 ni le 1/14/7 .2 5 6:1 6:1 .5 20CB9 20 vert. 1/14/7 20 acker 1/15/7 6:1 6:1 .5 20A10 20 vert. 0/12/7 20 rout.ed b comm.

20B10 20 vert. 0/12/78 20 "ni le 0/23/7 43. 0 1 6:1 24.0 comm. 21A1 21Bl 20C9 20C10 20 vert. 0/13/7 20 ni le 0 24/7 31.9 2 6:1 0

'2.

comm. 20C9 20CB10 20 vert. 1 15 78 20 acker 1 15 7 5 6:1 6:1 .5 21A1 20 vert. 0 12 78 20 rout d comm 2 Bl 21B1 20 vert. 0 13 7 20 1 u d

~

0 21AC1 1 8 21A3 20 vert. 0 12 20 pac er 0 78 3:1 16 hole washed & hooked up ex 21B3 20 vert. 0 13 78 20 ni le 0 26 78 5 6:1 6:1 .3 ay 21C3 20 vert. 0/13 78 20 ni le 0 27 78 5 6:1 6 1 1.4 21A4 20 vert. 0 12 78 20 ni le 0 27 78 1.8 6:1 6tl 1.8 water comm. 21A5 21B4 20 vert. 0 13 78 20 acker 0 26 78 .7 6:1 6:1 1.4 21C4 20 vert. 0 13 78 20 acker 0 24 78 .4 6 1 6:1 21CB4 20 vert. 1 15 78 20 acker 1 16 78 .6 5 4:1 .6 21B4 20 vert. 1 28 78 20 ni le 1 29 78 4 1 4:1 1.2 vert. 13 78 2 acker 0 25 78 .6 6:1 6tl 1.8 OE 0 13 78 20 ni le 0 24 78 15 2 6:1 42.0 hole abandoned 21C5 20 vert. 0 13 78 20 acker 0 26 78 .3 5 6:1 6:1 .5 21B54 20 vert. 1/28 78 20 nipple 1 29 78 .2 5 4:1 4:1 1.2 21CB5 21A6 21B6 20 20 20 vert.

vert.

1/15/78 0 16 78 0 16 78

'0 20 20 acker ni pie nipple 1/16/78 0 25 78 0 25 78 10.1

.3 2.7 5 4:1 6:1 2:1 6:1 6:1 6.6

.9 3.0 comm. B 21C6 20 85 E 1/03/78 20 ni le 1 07 78 4.6 6:1 21A7 20 vert. 0/16/78 20 nipple 0/25 78 5 6:1 6:1 21B7 20 vert. 0/16/78 20 ni le 0 25 78 .4 5 6:1 6:1 .5 21C7 20 vert. 0/16/78 20 ni le 0/26/78 6:1 6:1 21A8 20 80 If 0/16 78 20 acker 1 Ol/78 5 6:1 6:1 .9 vert. 0 16 78 20 routed b

EBASCO SERV INCORPORA'TED RECORD OF DRILLIN GROUTING OPER'ATIONS Project: earon Harris Nuclear Power Plant Auxilia Dam (CAR 1425.001 e:~327 79 Feature: Consolidation Groutin Sheet 17 of 30 Drawing No.:CAR 2167 G- 6269 DRILLING G ROUTING Angle of Pressure W/C 'Maximum Hole Depth, in .Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled G routed Packer G routed Injected Max. Min Max Min Bags/ Hr.

21C8 20 85OE 1 03 78 20 packer 21ACS 20 vert. 1 15 78 20 grouted by comm. 21AC9 21CS< 20 vert. 1/28/78 20 nipple 1/29 78 2. 6 2 4:1 1:1 hole abandoned 21A9 20 vert. 0/16/7 20 acker 1 07 7 13.9 6 1 4. 8 comm. 21C9 21B9 20 vert. 0/16/7 20 ni le 6:1 6:1 2. 9 comm. 21BS, 21A10 21C9 20 vert. 1/03/7 20 grouted by comm. 21A9 21AC9 20 vert. 1/15/7 20 acker 1/16/7 4.3 5 4 1 4 1 7. 8 comm. 21ACS 21C9 20 vert. 1/28/7 20 acker 1/29/7 2.7 3 41 31 8.4 21A10 20 vert. 0 16/7 20 routed by comm. 21B9 vert. 0167 20 routed b comm. 21B9 20 vert. 1 03 7 0167 20 ti ht hole vert. 20 acker 1077 0 5 6:1 6:1 .5 comm. 21A10 v rt. 0167 20 ni le 0 26 7 1.7 6:1 6:1 2. 4 water comm. 21B10 22AC1 20 v r vert.

1 1/21/7 7 20 20 acker 2/14 7 .3 ti ht hole 22A2 20 vert. 0/16/7 20 acker 0/31/7 0 6:1 6:1 grouted by comm. B 22B2 20 80 E 0/16/7 20 ni le 0/31/7 .8 6:1 water comm.

22C2 20 vert. 1/03/7 20 acker 1097 .7 water comm.

22A3 20 vert. 0/16/7 20 0 groute y comm.

22B3 20 vert. 0 16/7 20 ni le 0/31/7 1.7 5 6tl 61 Comme t 2203 20 vert. 1/06/7 20 acker 1/07/7 0 6 1 22A4 20 70oW 0/16/7 20 ni le 0/27/7 .6 6:1 22B4 20 70OE 0/16/7 20 ni le 10/30/7 .4 6:1 6: water comm.

22C4 20 70OE 1/06/7 20 acker 1/07 7 .7 6:1 20 vert. 0167 20 ni le 10/30/7 .7 6:1 6:1 22 5 20 vert. 0/16/7 20 ni le 10/30/7 .9 6:1 2:1 5. comme 20 80oE 1/06/7 20 ni le ll/09/7 .2 6:1 6:1 .5 vert. 1 21 7 20 acker 2/01/7 1.0 5 4tl 3tl 2e 85 W 0 17 7 20 ni le 10/30/7 .5 6:1 6:1 1.1 comm. A 20 ni le 11 03/7 19.9 6:1 1:1 8.

v rt 1 06 7 20 acker 11/09/7 6:1 6:1 1 21 7 20 acker 12 01/7 1.9 3 4:1 4:1 3.3 1 7 20 ni le 11 01 7 .8 6:1 6:1 .9 water comm. B, B 6:1 6:1 .9 22C7 20 vert. 1/06/7 20 ni le 11/09 7 6:1 6 1 .9

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Feature: Consolidation Groutin Drawing No.:CAR 2167 G-Auxilia Dam (CAR 1425.001 Sheet ~of ~

Data:~3/27 79 DRILLING G ROUTING Angle of Pressure W/C Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled G routed Packer G routed Injected Max. Min Max Min Bags/ Hr.

22A8 20 vert. 0/17/7 20 ni le 0/30/7 .2 5 6:1 6:1 .4 22BS 20 80 E 0/17/7 20 ni le 1/01/7 6.1 5 6:1 4.0 comm. 22B7 22A9 22CS 20 75 E 1/06/7 20 hole ti ht 22A9 20 vert. 0 17 7 20 ni le 1017 .4 5 6:1 6:1 .5 22B 20 vert. 0 17 7 20 acker 1027 5 6:1 6:1 22C 20 vert. 1 07 7 20 hole ti ht vert. 0 17 7 20 ni le 1017 5 6:1 6:1 .5 22B10 20 vert. 0/17/7 20 ni le grouted by comm.

22C10 20 vert. 0/07/7 20 acker 1/09/7 .2 5 6:1 6:1 .5 23A1 20 vert. 0 17 7 20 ni le 1 02/7 .3 6:1 6:1 1.8 23B1 20 vert. 0 17 7 20 acker 1/O2/7 2.3 5 6 1 6:1 1.4 23C1 20 vert. 1 07 7 20 no hooku -ti ht 2 CB1 20 vert. 1 22 7 20 acker 2 01/7 5 4:1 4:1 20 vert. 0 17 7 20 ni le 1017 .3 6:1 6:1 .9 ver . 01 7 20 acker 11 02 7 5 6:1 7.2 vert. 1 07 7 20 acker 1097 .3 5 6:1 6:1 .9 vert. 1 22 7 20 acker 1201 7 .2 5 4:1 1.2 8 W 0 17 7 20 ni le 11 01 7 2.1 5 6:1 6:1 2.4 vert. 0 17 7 20 ni le 1 02 7 1.9 5 6:1 6:1 3.3 comm. 23B4 acker 11 10 7 1.5 5 4 1 3.3 water comm. 23A3 23B3 80'W 017 7 20 ni le 11 01 7 .2 6:1 6'1 .5 80 W 0 17 7 20 routed b comm.

1 07 7 20 acker 1107 .3 5 4:1 4:1 1.2 water comm.-22A7 8 H 017 7 20 ni le 1017 1.4 5 6:1 6:1 17 20 ni le 11 02 7 5.2 5 5 6:1 4'1 3.6 1 07 7 20 acker 1110 7 .9 5 4:1 4'1 3.6 OE 0 18 7 20 ni le 1037 .8 5 6:1 6:1 .9 OF 0 17 7 20 ni le 1103 7 7.2 3 6:1 3:1 4.2 20 acker 1167 .8 2 4:1 4:1 1.2 11 13 7 5 6:1 6:1 .9 water comm. 23C6 le 10 03 7 6.1 5 6:1 2:1 4.8 comm. 23A7 1116 7 5 4 1 5 6:1 6:1 1.4 comm. 23A7 23 8 20 vert. 0 18 7 20 ni le 11/13/7 23C8 20 vert. ll 16 7 20 ni le 11/16 7 2 4:1 3:1 1.5 comm. 23A .9

EBASCO SERV NCORPORATED ECORD OF DRILLING ROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant

'Feature: Consolidation Groutin Drawing No.:CAR 2167 G-Auxilia Dam CAR 1425.001)

Sheet ~of ~

3/27/79 DRILLING G ROUTING Angle of Pressure W/C Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled 6 routed Packer G routed Injected Max. Min Max Min Bags / Hr.

24Bl vert. 101 20 ni le 11 13 7 1.0 1.2 comm. w 23B10 24C1 20 75 vert.

11/17/7 7

20 ni le ll acker ll/13/7 17 7 .4 5 5 5 4 1 4:1 .6 comm. w 23C10 24A2 20 10/20/7 20 .3 3 4:1 4:1 1.2 24B2 20 vert. 10/19/7 20 ni le ll/14/7 .2 4 4:1 4:1 1.2 24C2 20 vert. 11/17/7 20 acker ll/18/7 .8 5 4:1 4:1 1.8 24CB2 20 vert. 12/01/7 20 acker 12/01/7 5 4:1 4:1 1.2 24A3 20 vert. 10 20 7 20 acker ll/14/7 2.6 4:1 3:1 3.3 24B3 20 vert. 10 20 7 20 ni le ll/14/7 9.1 2 4:1 7.8 24C3 20 vert. 11 17 7 20 acker 11/18/7 5 4:1 4:1 .6 2 CB 20 vert. 12 01 7 20 acker 12/Ol/7 .2 5 4:1 1.2 vert. 10 1

23 247 7 20 20 acker acker ll ll 15 7 14 7 2.6

11. 6 3

1 4.1 4 1 3.1 4.8 4.8 comm.

water 24A3 comm. 24B5 111 7 20 ni le 11 19 7 1.5 5 4tl 2.4 water comm. w/24C5 102 7 20 ni le ll 15 7 1.8 5 4:1 4:1 2..7 1 24 ni le ll 14 7 3 4:1 .6 1117 7 20 acker 11 19 7 .5 5 4 1 4 1 1.2 e ll 15 7 5.9 4 4:1 201 8.4 ni le 1114 2.1 5 4:1 4:1 2.4 acker ll 14 7

7 5 4:1 4:1 .6 a er ll 15 7 4.0 1 4:1 2 ~1 4.8 24B7 20 vert. 10/23/7 20 ni le 11/15/7 1.4 4:1 24C7 20 80 W ll/17/7 20 acker 11/14 7 .6 5 4:1 24A8 20 vert. 10/23/7 20 ni le ll/16/7 .7 4 4:1 4 1 1.2 24BS 20 vert. 10/23/7 20 ni le 11/16/7 5 4:1 2 CS 20 vert. 11/18 7 20 ni le 11/19/7 1.2 3 4:1 4:1 3. comm. C 20 vert. 20 acker 12/Ol/7 .2 4'1 1.2 24A9 20 vert.

11 29 7 10 23 7 20 ni le ll 1 5

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Auxilia Dam (CAR 1425.001 Date:~3/27 79 Feature: Consolidation Groutin Sheet ~Q of3jI Drawing No.:CAR 2167 G-0RI L LING GROUTING Angle of Pressure W/C Maximum Hole Depth in Hole from Date Depth ffippie/ Date Bags Rate in Remarks Feet Horizontal Drilled Grouted Packer G routed Injected Min Max Bags / Hr.

12. 5 4:1 7.8 comm. 25Al 24A10 4C9 20 vert. 1187 20 routed b comm. 24C8 24AC 20 80 E 1 29 7 20 ni le 12/04/7 5 5 4:1 4 1 .6 24A10 20 vert. 0/23 7 20 11/16/7 routed b comm. 24B9 24C10 20 vert.

80 If 0 23 7 1 18 7 20 20 ni le acker ll 16 ll/19/7 7 .6 4 1 4:1 4'1 4:1 1.2 7 E 2 01 7 20 ni le 12 04 7 5 5 4:1 4tl .6 vert. 02 7 20 routed b comm. 24B9 ti ht hole 4 1 4:1 4:1 4:1 .6 4:1 4:1 1.2 25A2 20 vert. 0/25/7 20 ni le 1/17/7 .2 4:1 1.2 25B2 20 vert. 0 23/7 20 ni le 11/16/7 17. 0 4:1 1:1 10.2 hole abandoned 20 vert. 1 18 7 2 01 7 20 ni le ll acker 2/04/7 19 7 5.1

.8 4:1 4:1 3:1 4.8 2.4 hole abandoned nipple ll 17 2 C2 20 70 E 20 5 5 20 70 0 25 7 20 3.

25B3 20 85 0 23 7 20 nipple ll 17 25C3 20 85 W 1 18 7 20 packer 11 20 7 0 ~

20 vert. 2 01 7 20 acker 12 04 7 .7 4:1 4 1 1.2 20 vert. 027 7 20 ni le 11/17/7 7.8 4:1 201 5.4 0 ll

~

2 4 20 vert. 0207 20 ni le 17/7 .2 4 1 4:1 1.2 vert. 1'18 7 20 ni le 11 20 7 1.2 5 5 4:1 4 1 5.4 water comm. 25C8 0 27 20 acker ll/18/7 .3 4:1 4:1 1.2 packer ll 17 85 kf 7 25B5 20 ver t. 0/26 7 20 7 .3 25C5 20 vert. 1/19/7 20 nipple ll 20 7 .2 25A6 20 vert. 0 27 7 20 nipple U. 18 7 .2 25B6 20 vert. 0 26 7 20 nipple ll 17 7 25C6 20 vert. 1 19 7 20 nipple 11 20 7 25A7 20 vert. 0/31 7 20 acker ll 18 7 1.2 25B7 20 vert. 0/27/7 20 nipple 11 17 7 8.9 25C7 20 vert. 1/19/7 20 acker 11 20 7 .3 25A8 20 vert. 10/27/7 20 acker ll 18 7 .2 water comm.

2 B8 20 75 W 10 27 7 20 ni le ll/17/7 4:1 25C8 20 vert. 1 19 nipp e

EBASCO SERV INCORPORATED RECORD OF DRILLIN GROUTING OPERATIONS Project: iearon Harris Nuclear Power Plant Feature: Consolidation Groutin Drawing No.:CAR 2167 G-Auxilia Darn (CAR 1425.001 Sheet ~of ~

~327L79 D R I L LING GROUTING Angle of Pressure W/C Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled Grouted Packer G routed Injected Max. Min Max Min Bags/ Hr.

25CB8 20 vert. 2/01/78 20 ni le 2/04/78 1.2 5 4 1 4 1 1.5 25A9 20 vert. 0/30/78 20 ni le 1/18/78 0 5 4:1 4:1 25B9 20 80 E 0/27/78 20 ni le 1/17/78 22.3 2 41 11 7.2 wa er comm.

25C9 20 vert. 1/20/78 20 ni le 1/22/78 1.0 5 4 1 4'1 1.2 25A10 20 vert. 0/30/78 20 ni le 1/18/78 5 41 4tl 1.2 25B10 20 vert. 0/27/78 20 ni le 1/19/78 5 4:1 4tl 1.2 25C10 20 vert. 1/20/78 20 ni le 1/22/78 5 4:1 4:1 1.2 25B10'0 vert. 2/14/78 20 acker 2/16/78 .6 5 4:1 4:1 2.4 26A1 20 vert. 0/30/78 20 ni le 1/18/78 18. 5 1 4:1 1:1 18. 0 comm. 26A2 26B2 26B1 26B1 20 vert. 0 27 78 20 ni le 78 13. 5 1 4:1 16. 0 hole abandoned 26C1 20 vert. 1 20 78 20 ni le 4.1 3 4tl 2:1 2.4 2 hook u s 25AC10 20 vert 2/15/78 20 ni le 2/16/78 .2 3 4:1 1:1 2.4 26C1 20 vert. 2/15/78 20 ni le 2 16/78 .3 5 4:1 4:1 2.4 26A2 20 vert. 0 30 78 20 ni le 1 18 78 .3 5 4:1 4:1 1.2 26B 20 vert. 02778 rout d omm. 26A 26C2 20 vert. 1 20 78 20 ni le 2 02 78 4tl 4 1 1.2 26AC2 20 vert. 2 15 78 20 acker 2 17 78 .3 4:1 4'1 1.2 20 vert. 0 30 78 20 acker 1 19 78 16.9 5 4'1 15.6 comm. 2 A4 26B4 26B vert. 0 78 ni le 1 1 8 0 4:1 4:1 2 8 4 ~

4 ~

26AC3 20 vert. 2 15 78 20 acker 2 16 78 .2 4:1 1.2 26A4 20 vert. 0 30 78 20 acker 1 1 78 1.1 4:1 2.4 26B4 20 vert. - 0 30 78 20 ni le 119 78 0 4:1 4tl

- 20 vert. 1 20 78 20 1 22 78 3.0 1 78 121 8 .2 4:1 4:1 1.2 2 B 20 vert. 030 78 20 ni le 1 21 78 3.0 5 4:1 2:1 3.6 comm. 26A4 20 80oE 1 20 78 20 acker .7 5 4tl 41 1.2 oo u s 26A6 20 vert. 1 01 78 20 ni le 78 3.2 2 4:1 "

2:1 7.2 0 2 26B6 20 vert. 0/30 78 20 ni le 1 20/78 5 41 41 1.2 2 C6 20 vert. 2 02 78 20 ni le 2 08 78 .6 2 4tl 3:1 2.4 26A7 20 vert. 0 31 78 20 acker 1 20 78 .5 5 4:1 4:1 .6 26B7 20 vert. 0 31 78 20 ni le 1 20 78 5 41 41 .6 26C7 20 vert. 1 20 78 20 acker 2 04 78 .3 4:1 4tl .6 v rt. 1 8 4 ~

26B8 20 vert. 0 31/78 20 acker 2/07/78 4:1 1.2

EBASCO SER VICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Auxilia Dam (CAR 1425.001 Date.. 3/27/79 Feature: Consolidation Groutin Sheet 22 of 30 Drawing No.:CAR 2167 G- 626 DRILLING G ROUTING Angle of Pressure W/C Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled G routed Packer G routed Injected Max. Min Min Bags / Hr.

26C8 vert 2 2 ert. 0 1 8 2 B vert. 3 8 0 2 8 8 2 2 C 20 vert. 2 2 27Al 20 vert. 1/01 78 20 acker 1/21/78 3.6 4 1 2:1 3.6 27Bl 20 vert. 0/31/78 20 acker 1/21/78 0 4. 1 4.1 27C1 20 vert. 2 04 78 20 acker 2 08 78 0 4 1 4'1 27A2 20 vert. 1 01 78 20 acker 1 21 78 4 1 4'1 1.2 27B2 20 vert. 0 31 78 20 acker 1 21 78 .3 4:1 4:1 1.2 27C2 20 vert. 2 04 78 20 acker 2 09 78 2.7 4:1 2:1 1.2 27A3 20 vert. 1 01 78 20 acker 1 22 78 2.8 4 1 2tl 3.6 4.8 vert. 2 07 78 2 ni le 2 09 78 .3- 4:1 4:1 1.2 20 vert. 1 01 78 20 acker 1 22 78 3 0 4:1 1:1 7.2 ve vert.

t. 1 Ol 78 478 0 ti ht hole 2 2 acker 2 09 78 1.3 4:1 3:1 3.6

.6 1217 0 4tl 4:1 78 4:1 3:1 5.4 OE 1 0 8 2 acker 2 01 78 .5 4:1 4tl .6 0 water comm 27B7 27B8 20 vert. 1 01 78 20 ni le 2 01 78 .5 4:1 4:1 2.4 27C8 20 vert. 2 07 78 20 acker 2/ll/78 .5 4:1 4:1 1.2 27C 10 vert. 2 15 78 10 acker 2/18/78 0 4:1 4:1 27A 20 vert. 1 06 78 20 acker 1 29 78 3.2 4:1 2:1 6.0 27B9 20 vert. 1 Ol 78 20 acker 2 01 78 4 1 3.5 27C9 0 vert 09 20 a k r 2 11 78

15. comm. 27A9 10,27C10

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Date: 3 27 Project: Shearon Harris Nuclear Power Plant Auxilia Feature: Consolidation Groutin Drawing No.:CAR 2167 G-Dam (CAR 1425.001 Sheet ~of~

DRILLING G ROUTING Angle of Pressure W/C Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled 6 routed 'acker 6 routed Injected Max. Min Max Min Bags/ Hr.

28B10 20 vert. 1077 20 acker 2 08 7 .8 4 ~

28C10 20 vert. 2117 20 acker 2 13 7 9.5 29A1 20 80 1/08/7 20 acker 2 08 7 29Bl 20 vert. 1/07/7 20 acker 2 08 7 .3 29C1 20 vert. 2127 20 le 21 29A2 20 vert. 1087 20 acker 2 08 7 0 29B2 20 85 E 1 08 7 20 ni le 2 8 29C2 20 vert. 2117 29A3 20 vert. 1 08 78 29C3 29A4 20 20 vert.

vert.

2 ll 1/9/78 78 20 ni le acker 2 1 8 20 2 08 78 0 4:1 4:1 29B4 20 vert. 1/07 78 20 acker 2 08 78 .3 29C4 20 vert. 2 11 78 20 ni le 2 13 78 29A5 20 vert. 1 09 78 29B5 20 vert. 1 07 78 20 29C5 20 vert. 2 12 78 a r 2 29A6 20 vert. 1 15 78 20 ni le 1 16 8 29B6 29C6 20 20 vert.

vert.

1 09 120 8 78 20 i le '118 78 29A7 20 vert. 1 15 78 20 ni le 1 1 8 8.

29B7 20 vert. 1 08 78 29C7 20 vert. 1 2 8 ~

1 29A8 20 vert. 1/09/78 20 ni le 1/16 78 4 1 4 29B8 20 vert. 1/08/78 20 ni le 1 17 78 0 29C8 20 vert. 1/20/7 20 ni le 1/21/7 0 4 1 4 1 29A9 20 vert. 1/09/7 20 ni le 1/17/7 .2 5 61 61 .5 29B9 20 vert. 1/08/7 20 ni le 1/17/7 4.8 6:1 5:1 3.6 comm. 30Bl 30B4 30B5 30 29C9 20 vert. 1/20/7 20 acker. 1/21/7 0 4:1 4:1 2 Alo 20 vert. 1 09 78 20 ni le 1 16 7 .7 4:1 4:1 2.4 29B10 20 vert. 1/08 78 20 ni le 1/16/7 6:1 6:1 1.8 2 Clo 20 vert. 1 20 7 20 ni le 1 21 7 .2 4:1 4:1 1.2 OA1 20 88 E 1 09 78 20 ni le 1 16 7 ~ 2 4:1 4:1 2.4 v rt 30cl 20 vert.

1 1 20 78 8

20 ni le 1/21 7 4 11

EBAsco sERvr INCQRpoRATED RECORD OF ROUTING OPERATIONS-

~

DRILLING'roject:

earon Harris Nuclear Power Plant Auxilia Darn (CAR 1425.001 3II27 79 Feature: Consolidation Groutin Drawing No.:CAR 2167 G-Sheet ~of DR IL LING G ROUTING Angle of. Pressure.- W/C Maximum Hole,- Depth. in Hole from, Date- Depth- Nipple/ Date; Bags; Rate. in. Remarks.

Feet Horizontal Drilled G routed -. Packer. G routed Injected. Max. Min Max; Min: Bags / Hr; 30A2 20 vert. 1/09/7 20 ni le ll/16 7 .2 4 ~

30B2 20 vert. 1/08/7 20 ni. le 1 16 7 30C2 20 vert. 1/20/7 20 acker 1 21 7 30A3 20 vert. 1/09/7 20 ni le 1 16 7 .3 30B3 20 vert. 1 08 7 20 ni le 1 1 30C3 20 vert. 1/21/7 20 ni le 1 21 7 .4 30A4 20 vert. 1 16 7 20 ni le 18 30B4 20 vert. 1 16 7 20 30C 20 vert. 1 21 7 20 ni le 1/22 78 5 5 4:1 30AC4 20 vert. 2 12/78 20 acker 2 13 78 .2 30A5 20 vert. 1/16/78 20 ni le 1/17/78 99.8 20.4 u e t roug Bur ace 30B5 20 vert. 1 16/78 20 routed b comm, 30B4 30C5 20 vert. 1 21 78 20 ni le 1/22/78 .65 5 5 4 1 1.8 water comm. w 30C7 30AC5 20 vert. 2 12/78 20 acker 2/13/78 5 5 4:1 .6 30A6 20 vert. 1/16/78 20 ni le 1/17/78 4:1 4.1 1.2 30B6 20 vert. 1/16/78 20 ni le 1/17/78 .5 4:1 2.4 30C6 20 vert. 1/21/78 20 acker 1/22/78 .15 1.2 30A7 20 vert. 1/16/78 20 ni le 1/18/78 .3 4:1 1.2 30B7 20 vert. 1/16/78 20 ni le 1/17/78 .4 5 5 4:1 4:1 2.4 30C7 20 vert. 1/21/78 20 ni le 129 78 1.0 4 1 3.3 30CB7 20 vert. 2/12/78 20 acker- 2/13/78 4:1 4:1 .6 30AC7 20 vert. 2/12/78 20 acker 2/13/78 .5 4:1 4:1 1.2 30AS 20 vert. 1/21/78 20 ni le 1/18/78. 4:1 4:1 1.2 30BS 20 vert. 1/16/78 20 acker 1/29/78 .8 4:1 4'1 30CS 20 vert. 1/22/78 20 acker 1/29/78 13. 5 4:1 6.6 comm. 30AS 30BS 30A9 20 vert. 1/16/78 20 acker 1/22/78 .2 4:1 .6 3 30B9 20 vert. 1/16/78 20 acker 2/02/78 1.2 4:1 4:1 1.8 30A10 20 vert. 1/16/78 20 ni le 1/18/78 0.1 4:1 1.2 30B10 20 ver t. 1/16/78 20 ni le. 2/Ol/78 .5 4 1 1.8 31A1 20 vert. 1/17/78 20 acker 2 01 78 .3 4:1 4:1 .6 31Bl 20 vert. 1/17/78 20 ni le 2/Ol/78 6.5 4:1 2:1 7.8 comm.w 31B2 31Al 31A2 31A2 20 vert. 1/17/78 20 ni le 2 01 78 .4 1.2 31B2 20 vert. 1 17 78 20 acker 2 01 78 7.9 5 4 8.4 cormn. 31A2 1B 20 vert. 1 17 78 20 acker 2 ll 78 2.2

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Auxilia Dam (CAR 1425.001 Date:~3/27 79 Feature: Consolidation Groutin Sheet 26 of 30 Drawing No.:CAR 2167 G- 6269 DRILLING GROUTING Angle of Pressure W/C Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet 'Horizontal Drilled G routed Packer G routed Injected Max. Min Max Min Bags/ Hr.

31A4 31B 20 20 vert.

vert.

1 17/7 20 0

nipple nipp e 2 ll 7 .4 ~

4:1 4:1 1.8 comm. B, B 31A5 vert. nipp e 31B5 20 vert. 1 17 0 nipple 1 31A6 20 vert. packer comm. A 31B6 20 vert. 1 17 7 20 nipple 2 1 comm. B 31A7 20 vert. 1 21 20 packer 2 1 31B7 20 vert. 1217 20 packer 31A8 20 vert. 1 20 78 20 nipple 2 09 7 water comm.

31B8 20 vert. 1 21 7 20 acker 2 12 7 .2 comm. B 31A9 20 vert. 1 20 7 20 acker 2 08 7 5.0 31B9 20 vert. 1 22 7 20 ni pie 2 09 7 31A10 20 vert. 1/20/7 20 acker 2 08 7 .2 4:1 31B10 20 vert. 1/22/7 20 acker 2/12 7 .5 4:1 4:1 1.2 32A1 20 vert. 1/20/7 20 acker 2 08 7 .5 1.2 32B1 20 vert. 1/28/7 20 acker 2/08/7 7.1 4:1 6.0 32A2 20 vert. 1/21/7 20 ni le 2/07/7 1.4 4 1 3:1 .8 32B2 20 vert. 1/28/7 20 ni le 2/07/7 1.0 4:1 3.6 32A3 20 vert. 1/21/7 20 ni le 2/07/7 4:1 4:1 1.2 32B3 20 vert. 1 22/7 20 acker 2/08/7 4:1 4:1 .6 32A4 20 vert. 1/21/7 20 ni le 2/07/7 4:1 4:1 .6 32B4 20 vert. 1/21/7 20 ni le 2/07/7 .4 4:1 4:1 1.2 20 vert. 1 21 7 20 ni le 2/07/7 0 4 1 4:1 20 vert. 1/21 7 . 20 ni le 2/07/7 .3 4:1 1.2 vert. 1 28 7 20 ni le 2/07/7 1. 7 4:1 3:1 1.2 20 vert. 1 28 7 20 ni le 2/08/7 5.0 4 1 4.8 vert. 1287 20 acker 2/07/7 .2 4:1 4:1 2.4 20 vert. 1 28 7 20 ni le 2/04/7 1. 2 4 1 4:1 1.2 water comm. 32B vert. 1 28 7 20 acker 2/04/7 2.3 4:1 4:1 2.7 vert. 1 28 7 20 ni le 2 04/7 1.8 3:1 1.8 comm. 32A8 20 vert. 1 29 7 20 acker 2/04/7 1.6 4:1 3:1 1.8 comm. 32B9 vert. 1 28 7 20 ni le 2 07/7 4 1 1.2 12 7 20 acker 2 13 7 0 4:1 4:1 121 7 4:1 32A1 20 vert. 1/29/7 20 acker 2 13 7

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project." Shearon Harris Nuclear Power Plant Auxilia Dam (CAR 1425.001) Date:~327~

Feature: Consolidation Groutin Sheet 28 of 30 Drawing No.:CAR 2167 G-DR IL LING G ROUTING Angle of Pressure Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horizontal Drilled Grouted Packer Grunted Injected Max. Min Max Min Bags / Hr.

34B7 20 vert. 2 13 7 20 packer 12 14 7 19. 7 1:1 3:1 15. comm. w 3 A7, 3 B 34AB7 20 vert. 1/08 7 20 ,packer 1 09 7 5.3 15. comm. w 3 AB 34A8 20 vert. 2 13 7 20 packer 12 15 7 34B8 20 vert. 2 12 7 20 packer 2 15 7 34A9 20 vert. 212 7 20 acker 12 17 7 34B9 20 vert. 2/13 7 20 packer 12 15 7 4.4 2:1 water comm. w A 34AB9 20 vert. 1 08 7 20 acker 1 10 7 34A10 20 vert. 2/12/7 20 acker 2 17 7 9.2 comm. w A 34B10 20 vert. 2/13/7 20 ni le 2/17 7 4:1 4:1 4AB10 20 vert. 1 08 7 20 acket.'/10/7 .3 4:1 4:1 2.4 20 vert. 2 13 7 20 acker 12/17/7 .7 4:1 4:1 .6 vert. 213 7 20. ni le 12/16/7 3.2 1:1 4:1 3.6 water comm. 34B10 vert. 2 13 7 20 ni le 12 17 7 .6 4:1 4:1 1.2 2 1 ni le 12 16 7 4 1 4'1 .6 2 8 7 .7 4:1 1.2 35B3 20 vert. 2/11/7 20 ni le 12/16 7 .2 4 1 4'1 35A4 20 vert. 12/11/7 20 acker 12 18 7 .8 35B4 20 vert. 12/13/7 20 acker 12 16 7 .2 35A5 20 vert. 12/13/7 20 acker 12 15 7 .6 35B5 20 vert. 12/ll 7 20 acker 12 16 7 35AB5 20 vert. 1/08/7 20 acker 1 10 7 .3 35A6 20 vert. 12/13/7 20 acker 12 15 7 .2 35B6 20 vert. 12/13/7 20 acker 12 15 7 1 .6 comme w 35AB6 20 vert. 1/09/7 20 acker 1 10 7 1.0 35A7 20 vert. 12/13/7 20 acker 12 15 7 2.1 35B7 20 vert. 12/13/7 20 acker 12 15 7 ll. 7 Comlo W t 35AB7 20 vert. 1/09/7 20 acker 1 10 7 .2 35A8 20 vert. 12/13/7 20 ni pie 12 18 7 .2 35B8 20 vert. 12/14/7 20 acker 12 16 7 20 vert. 1/09/7 20 acker 1 10 7 35A9 20 vert. 12/14/7 20 nipple 12 18 7 35B9 20 vert. 12/14/7 20 acker 12 16 7 2.6 5Al0 20 vert. 12/14/7 20 ni le 12 18 7 20 vert. 12 14 7 20 acker 12/19/7 4:1 36Al 20 vert. 12 1 7 20 nipp e

EBASCO SERV INCORPORATEO RECORD OF DRILLIN GROUTING OPERATIONS Project'. earon Harris Nuclear Power Plant Auxilia Darn (CAR 1425.001 e:~3/27 79 Feature: Consolidation Groutin Sheet 29 of 30 Drawing No.:CAR 2167 G-DR IL LING GROUTING Angle of Pressure WIG Maximum Hole Depth in Hole from Date Depth Nipple/ Date Bags Rate in Remarks Feet Horiiontal Drilled Grouted Packer G routed Injected Max. Min Min Bags / Hr.

36Bl 20 vert. 12/15/7 20 acker 12/19/7 .5 4:1 4:1 .6 36A2 20 vert. 12 14 7 20 packer 12 19 7 .8 ~

1 1.2 36B2 20 vert. 12 14 7 20 nipple 12 19 7 0 36AB2 20 vert. 1097 20 packer 111 7 5.

36A3 20 vert. 12 14 7 20 acker 12 20 7 5.6 comm. w A, 3B 36B3 20 vert. 12 14 7 20 packer 12 19 7 11.5 36AB3 20 vert. 1097 20 packer 1127 0 4:1 ~

1 36AB4 20 vert. 1 09/7 20 ni le 1127 .3 4:1 ~

j 1.2 36A4 20 vert. 12/14 7 20 acker 12 20 7 10.6 4:1 1:1 12.0 comm. w 36B 36B4 20 vert. 12/15/7 20 ni le 12/21/7 .4 4:1 4sl .6 36A5 20 vert. 12/14/7 20 ni le 12/21/7 .4 4:1 4:1 .6 36B5 20 85 E 12/15/7 20 acker 12/21/7 8.9 4:1 1:1 10.8 comm. w 36A5 36A6 20 vert. 12/14/7 20 acker 12/21/7 2.3 4:1 2:1 6.0 B6 20 vert. 12/15 7 20 acker 12 21/7 .5 4:1 4:1 1.8 vert. 12 14 7 20 acker 1047 .5 41 41 1.8 6B7 20 vert. 12 15 7 20 ni le 1 04/7 7.3 4:1 1:1 6. 0 comm. 36A7 20 vert. 1097 20 acker 1/12/7 .2 4:1 4:1 .6 A8 20 vert. 12 15 7 20 ni le 12 19 7 18.3 4tl lsl 16. 5 B8 20 vert. 12 16 7 20 ni le 1219 7 0 4 f1 4:1 1 0 7 20 acker 1127 0 4:1 4:1 vert. 12 15 7 20 ni le 12 20 7 4:1 4:1 1.2 v r 12 15 7 20 ni'e 12 19 7 0 4:1 4:1 0.

ni le 12 19 7 .3 4:1 4:1 1.2 36B10 20 vert. 12/16/7 20 ni le 12 19 7 37Al 20 vert. 12/15/7 20 acker 12 20 7 .9 ~

]

37B1 20 vert. 12/16/7 20 acker 12/19/7 .2 4:1 1.2 7A2 20 vert. 12/15/7 20 acker 12/20/7 .7 4:1 2.

B2 20 vert. 12/16/7 20 acker 1/05/7 .3 ~ 1 20 vert. 12/15/7 20 acker 12/20/7 ~

vert. 12 15 7 20 acker 12/20/7 1.7 4:1 3 t3.

A4 20 vert. 12/17/7 20 acker 1/05/7 .8 4:1 3:1 1.2 20 vert. 12 17 7 20 acker 12/20/7 .3 4'1 4 1 2.

vert. 12 17 7 20 acker 1/05/7 0 4:1 4:1 .6 acker 12 20 7 1.0 4:1 4:1 6.0 4:1 4:1 1.2

EBASCO SERVICES INCORPORATED RECORD OF DRILLING AND GROUTING OPERATIONS Project: Shearon Harris Nuclear Power Plant Auxilia Darn (CAR 1425.001 Date: 3/27/79 Feature: Consolidation Groutin Sheet 30 of 30 Drawing No.:CAR 2167 G- 6269 DRILLING G ROUTING Angle of Pressure W/C Maximum Hole Depth in Hole from Date Depth ffipple/ Date Bags Rate in Remarks Feet Horizontal Drilled Greeted Packer Granted Injected Max. Min Min Bags / Hr.

37B6 20 vert. 12 17 7 20 acker 1057 4 1 4 1 .6 37A7 20 vert. 12 16 7 20 acker 1 05 7 1.3 4:1 4:1 2.4 37B7 20 vert. 12 17 7 20 acker 1/06 7 1.2 4:1 4:1 1.2 37A8 20 vert. 12 16 7 20 acker 1067 4:1 4:1 .6 vert. 12 18 7 20 acker 1067 .2 4:1 .6 7A 20 vert. 12 18 7 20 acker 1 06 4:1 1.8 v rt. 12 18 7 2 ac er -1 06 4:1 4:1 .6 4:1 1 2 37B10 20 vert. 12/18/7 20 acker 1/06/7 2.3 4:1 3:1 1.8 38A1 20 vert. 12 17 7 20 acker 1087 .2 4:1 4:1 .6 38B1 20 vert. 12 19 7 20 ni le 1 09 7 .8 4:1 4:1 .6 20 vert. 12 17 7 20 ni le 1087 1.2 8B2 20 20 vert.

vert.

v r 12 12 12 19 17 1

7 7

'0 20 acker ni le le 1 09 7 1

1 08 7 0 .3 4:1 4:1 4 1 4:1 4 1

.6 1.2 vert. 12 19 7 20 acker 1 09 7 .3 4tl 4:1 .6 vert. 12 1 7 20 ni le 1 09 7 .2 4 1 4:1 1.2 v rt. 12 17 7 20 ni le 1097 .6 4:1 1.2 v rt. 12 1 20 i le 1 0 .4 4 1 4:1 1.2

.4 4:1 4:1 1.8 2 1 20 acker 1 10 7 .3 4:1 4:1 .6 ert. 12 18 7 20 acker 1 10 7 .8 4:1 4:1 4.2 v rt. 12 1 20 acker 1 10 7 3.3 4:1 4.8 v rt. 12 18 7 20 acker 1 10 7 1.5 4:1 4.2 comm. 38A7

.3 4:1 4:1 3.6 acker '1117 .2 4:1 4:1 2.4 12 8 acker 1117 4:1 1.2

8.0 ELEVATIONS

.of FOUNDATIONS

-159-

9.1 MAIN DAM

-160-

ELEVATIONS OF S FACE ROCK AT MAIN DAM:

SUMMAR LL.SURVEY DATA UPSTREAM. DOWNSTREAM UPSTREAM DOWNSTREAM STATION OFFSET ELEVATION ELEVATION OFFSET =

ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 0+15 10 221.83 227.18 10 232.08 1+60 5 212.25 212.55 10 212.30 20 219.83 10 214.70 15 213.25 0+20 10 224.78 22628 10 232.28 1+70 5 209.20 207.90 10 209.60 20 223.83 10 211.70 15 211.40 30 222.38 1+75 25 228.88 0+30 10 229.88 228.03 10 228.03 50 224.65 15 229.28 20 228.78 75 221.78 95 220.73 0+40 10 23'l.43 232.88 10 232.88 20 231.23 20 " 232.18 1+80 207.55 208.40 10 208.95 30 23528 20 212.00 10 232.08 232.43 10 233.53 5 206.50 206.90 10 209.20 20 234.58 15 234.93 10 207.93 20 211.09 25 212AS 0+60 10 233.08 232.63 5 233.83 15 235.08 10 236;13 10 203.47 202.75 10 208.74 20 209.62 0+70 10 232.18 230.78 231.33 25 211.87 I 15 234.83 2+10 10 202.23 201.85 10 202.21 0+80 10 231.23 229.18 5 228.63 20 207.00 I

15 231.98 10 229.98 25 210.33 0+90 10 226;10 225.55 10 225.55 2+20 10 202A4 202.03 10 202.45 15 226.05 20 204.50 25 205.87 5 222.70 222.80 5 222.95 25 244.68 10 223;05 2+30 10 201;35 201.64 10 201.67 29.5 24592 25 239.89 20 202.82 50 24896 25 206.12 1+10 10 22335 10- 219;59 2+40 10 200.32 200;1 7 10 198.82 211.30'16.95 20 202.11 1+20 5 217.10 10 218.65 25 204.82 10 223.05 10 198.13 197.58 10 197.78 1+30 10. 217.85. 217.95- 10 20 197.81 10'18.75 15 219.85 1+40 10 216.60 217.05 216:60 2&0 10 196.25 195.04 10 194.09 20 195.01 1+50 10 217.00 214.25 10 214;25 25 232.51 15 216;60 2+70 '10 193.32 191.86 10 192.03 50 229.52 30 229.1 5 20 192.38 75 227.50 235.19 10 190.98 189.97 10 189.62 20 189.27 85 226.32 75 237.49

EL'EVATIONS OF SURFACE ROCK AT MAIN DAM:

SUMMARY

OF ALL SURVEY DATA UPSTREAM . DOWN STR EAM UPSTREAM DOWNSTREAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 2+90 10 187.64 187.40 .10 189.24 3+80 10 161.91 163.46 10 164.75 20 '188.10 20 162.96 20 167.60 10 15 184.51

'186.69

'1 86.24

~

25 10 20 189.67 187.84 186.60 3I90 30

.10 162.03 159.09 161.36 30 10 20

~

168.55 163.06 16724 25 187.52 30 169.52 35 168.38 3+10 10 183.49 183.22 10 182.90 15 183.20 20 184.59 154 162.00 158.74 10 160.43 25 185.48 200 161.40 20 159.83 209.4 161.60 30 167.86 3+20 10 178.1 5 177.40 10 179.94 40 169.28 15 177.44 20 183.77 25 184.32 4+10 15727 30 160.59 40 167.64 3+30 10 172.20 173.98 10 177.17 15 174.20 20 182.97 4+20 50 161.97 I 20 176.73 25 182.68 Ch 30 182.45 4+25 50 163.50 M 67 169.70 3+40 10 170.24 172.44 10 174.69 90 166.80 20 182.S3 20 176.83 100 166.50 30 181.04 4440 20 159.73 10 167.62 169.98 10 173.49 30 158.84 20 169.76 20 175.61 40 159.97 25 176.16 50 - 163.58 30 178.84 10 159.51 10 158.39 10 16S.93 166.40 10 169.89 20 160.86 20 167.74 20 173.27 30 160.27 25 167.68 30 177.06 40 159.62 50 158.49 3+70 10 162.70 164.52 10 166.99 75 161.00 20 165.58 20 169.65 125 160.50 30 166.35 30 172.26 150 160.80 201 161.70 3+75 150 167.0 209 161.80 183 167.0 200 162.5

ELEVATIONS OF SU ACE ROCK AT MAIN DAM:

SUMMARY

OF ALLSURVEY DATA UPSTREAM DOWNSTREAM UPSTREAM DOWNSTREAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION:

10 161.62 160.64 10 158.95 5+20 10 156.96" 157.03 10 158.30 20 163.57 20'0 158.75 20 154.97 20 155.46 30 161.19 156.95 30 159.95 30 153.45 40 159.84 40 162;02 40 153.86 50 161.21 50 159.'01 50 155.86 60 154.37 4+70 10 159.22 158.06 10 159.42 20 162;30 20 157.73 5+25 75 159.02 30 162.01 30 161".43 100 161.17 40 161.13

'25 163.67 150 162.42 10 158.07- 155.47 10 20 160.48 20 158.66 5+30 10 155.80 155.19 10 158.04 30 162.'52 30 158:92- 20 153.98 20 155.27 40 159;29 40 160'.93. 30 157;38 30 153.56 50 160.25 40" 162.00 4p 151.57 50 160.68 50 156.01 I

4+90 10 157.37 155.51 10 155.69 60 157.54 20 15921 20 158.41'56.62; I 30 162,'55- 30 &f40 10 154.15 156.68 10 156.87 40 158:80 159:.10 20 156.38 20 154.04 40'0 50 '60.61 158.25 30 157.10 30 154.56 10 156.83 156.58 60'59;07 10'0 156.081 40 50 159.74'61".42 4p 50 153;33 154.18 20 159;45 155.30= 60 156.72'57.90 30 162.16 30 153:02-40 158.301 40 10 158;88 157.'66 10 159:20" 50'0 157!27'54".38'58:48- 20: 157.01 20'0 156.48 100 160.60 157.40 153.88 30'0 125 161.10 75 160.72 40 156.77 150 161,26 162!32: 160;59'61".22'62.40'58.60 50 151;82

'75 161;56 80 60 152.34 100'0 188 162:66 100 75 158.42 200 163.66 125 100'50 161.32 16320'6'I'.06 205 163.76 143'50 161.07 210.6 16086 159.16 175 163.17 175 200 164.27 159.66'62;66 5+10 10'0 158.08 157.80 155;15 198 207.8 16227 154'.22 201;6 165.46 158;53'60;46 30'0 20'0'0'0 15336-160.48'57.94:

50 153.39'56.13'56.07

ELEVATIONS OF SURFACE ROCK AT MAIN DAM:

SUMMARY

OF ALL SURVEY DATA UPSTREAM DOWNSTREAM UPSTREAM DOWNSTREAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 10 158.11 159.96 10 158.83 6+00 10 162.47 160.52 10 161.07 20 155.72 20 153.74 20 161.22 20 156.47 30 155.21 30 155.14 30 161.52 30 157.07 40 158.72 40 155.31 40 15537 40 157.92 50 162.02 50 154.88 50 158.02 50 160.37 175 160.16 60 153.74 60 155.30 75 155.87 75 158.20 87 157.27 S+70 10 159.64 160.06 10 155.20 100 16030 100 155.27 20 157.07 20 153.69 125 166.10 125 154.42, 30 156.63 30 156.03 131 164.36 150 157.17 40 157.07 40 157.58 133 166.36 158 160.02 50 161.66 50 155.01 139 166.56 175 160.82 60 156.87 143 162.96 200 15987 150 167.50 213.20 159.67 5+75 50 162.90 164 163.56 84 161.50 167 171.26 100 157.70 188 172.06 125, 159.00 147 163.26 6+10 10 159.87 162.42 10 163.42 152 161.16 20 158.82 20 159.97 157 162.16 30 159.52 30 161.42 170 168.56 40 157.82 40 157.42 192.5 169.96 50 156.02 50 157.77 10 158.77 157.59 10 155.41 6+20 10 159.52 157.42 10 156.72 20 159.34 20 156.2S 20 157.57 20 159.47 30 160.12 30 156.78 30 157.82 30 159.32 40 156.94 40 158.70 40 15727 40 159.92 50 160.55 50 155.45 50 158.82 50 157.97 10 160.25 158.68 10 157.18 6+25 60 15530 20 160.71 20 160.03 75 165.90 30 160.05 30 159.47 40 158.74 40 156.70 6+30 10 158.12 155.52 10 156.97 50 161.55 20 158.77 20 162.62 100 156.70 30 15937 30 162.47 40 158.12 40 161.67 50 159.97 50 160.32 6+40 10 160.07 155.47 10 161.27 20 161.47 20 162.57 30 16187 30 162.47 40 160.57 40 160.72 50 160.37 50 161.47

ELEVATIONS OF S FACE ROCK-AT MAIN.DAM:

SUMMARY

OF ALLSURVEY DATA UPSTREAM DOWNSTREAM UPSTREAM DOWNSTR EAM STATION OFFSET ELEVATION EL'EVATION OFFSET'L'EVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION.

6+50 10 159.22 160.32 10 162.02 6+85 75 16390 20 162.32 20 16392 100 166.50 30 ~ 163.87 30 158.57 125 171'.60 40 161.77 40 157.77 150 171.10 50 160.82 50 160.92 156 173.00 75 167.61 75 160.77 165 182.40 100 168.70 100 161.12 165 182.40 125 167.50 115 156.47 167.3 . 182.60 125 158.92 150 159.22 6+90 10 166.27 166.22 10 165.07 175 171.30 175 15892 20 167.42 20 165.72 187.2 172.60 200 160.27. 30 167.47 30 165.52 200 174.70 211 160.77 40 16492 40 161.05 50 16397 50 16192 10 161.17 161.92 10 158.87 20 163.62 20 158.52 10 168.92 169.65 10 165.95

30. 163.17 30 156.77 20 17197 20 165.81 40 158.82 40 158.87 30. 16997 30 165.33 50 160.12 50 159.27 40 168.18 40 163.14 50 166.09 50 161.23 6+70 10 160.27 161.77 10 161;17 75 165.90 75 160.52 20 159.92 20 161.27 100 169.60 100 155.37 30 159.62 30 158.07. 115 162.20 125 161.02 40 158.37 40. 159.62 125 173.00 150 164.47 50 156.47 50 156.12 150 17290 170 164.87 160 174.00 175 163.47 6+75 75 164.80 172. 18290 .200 161.52 89 171;70 1699 181.60 211'9 160.62 100 167.80 125 170.70 7+10 10 169.74 17090 10 16891-150 170.90 20 17199 20 16692 159 '71;40 30 170.39 30 166.98 174.2 177.70 40 168.53 40 164;67 175 179.10 50 169.17 50 16493 10 162.07 155.27 10 183.32 7+20 10 170.39 169.4O 10 171.10 20 162.07 20 163.62 20 172.00 20 167.14 30 162;97 30 163;47 30 16899 30 169.93 4o 160.57 40 1'60.02-'60.22.

40 170.13 40 166.80 50 160.12 50 50 17391 50 167.09

ELEVATIONS OF SURFACE ROCK AT MAIN DAM:

SUMMARY

OF ALLSURVEY DATA UPSTREAM DOWNSTREAM UPSTREAM DOWNSTREAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET- ELEVATION 7+25 58 175.00 75 168.11 7+75 50 174.50 63 172.50 100 166.16 54 178.60 75 ,178.40 125 162.41 75 179.70 84 180.20, 150 166.37 100 184.10 100 178.20 175 163.17 119 187.70 125 177.60 200 162.77 125 185.80 150 178.30 150 184.80 165 179.20 160.8 185.80 170 183.60 10 169.15 170.93 10 16832 7+30 10 170.67 167.55 10 171.14 20 172.16 20 166.86 20 168.97 20'0 16620 30 173.01 30 169.45 30 167.66 170.19 40 173.36 4p 167.72 40 170.17 40 171.21 50 174.94 50 169.91 50 173.93 50 168.35 7+90 10 171.55 172.91 10 169.44 7+40 10 168.99 169.07 10 - 166.45 20 173.10 20 167.66 20 167.42 20 166.43 30 173.79 30 167.54 30 169.53 30 166.99 40 177.43 50- 167.80" 40 171.03 40 171.38 50 172.67 50 168.35 10 17433 175.58 10 168.81 20 173.53 20 166.58 10 168.29 168.87 10 167.76 30 17634 30 167.14 20 168.31 20 169.26 4p 176.28 40 165.74 30 170.40 30 166.03 50 178.83 50 165.83 40 172.47 40 171.98 75 181.40 75 170.80 44 173.70 50 16839 100 187.60 100 171.65 50 171.48 75 168.56 125 18520 125 171.08 75 178.00 100 167.56 150 , 18730 150 170.50 100 178.30 '25 166.51 175 169.88 106 179.70 . 150 169.27 190.4 171.05 115 186.20 175 170.77 200 170.65 150 182.20 204.8 163.87 164 184.20 8+10 10 172.45 176.42 10 165.94 173 188.00 20 20 165.88 174.41'77.20 30 30 166.32 7+60 10 167.62 168.14 10 168.28 40 178.14 40 165.88 20 168.58 20 168.87 50 178.52 50 165.94 30 174.23 30 169.73 40 172.92 40 171.81 8+20 10 170.70 173.73 10 167.91 50 176.09 50 16999 20 176.17 20 171.58 30 177.91 30 171.84 7+70 10 170.52 169.56 10 168.77 40 178.60 40 168.16 20 169.77 20 16696 50 178.01 45 166.36 30 173.62 30 167.39 50 166.15 40 171.23 40 170.00 50 174.71 50 169.75

ELEVATIONS OF S CE ROCK AT MAIN DAM:

'SUMMA'RY'0 'A'LL'SURVEY DATA

UPSTREAM 'DOWNSTREAM UPSTREAM 'DOWNSTREAM STATION OFFSET ELEVATION ELEVATION 'OFFSET ELEVATION ':STATION -'OFFSET ELEVATION ELEVATION ':OFFSET ELEVATION 8+25 176.60 100 171.48 "8+75 100 170.'18

'68 11 80.80 .125 '1 72;13 125 168.78

'70 :183;50 '.150 1168.98 '150 166.13 75 "l84.00 175 i1 66;88 175 172.98

'100 -184;20 "185 :167:78 112 '.188;30 10 .177;34 176.72 10 177;16 "l20 188;50 :20 178;.73 '20 176.56

'130 - >185.'50 30 176.78 30 177.22 145 :188.80 -'40 17322 '40 176.51

.50 176.01 45 '175.57

'8+30 10 "171;69 "'I 75.20 '10 .174.43 20 '176.89 .20 174:23 Sago .10 178.'21 177.43 10 176Ã2 30 176;58 '-30 178:92 '20 17780 .20 177;19

'40 :1 74.91 =-'40 '1 67.'65 '-30 "174.'50 :30 176.93 176.65 .'45 .:166;82 J40 175;14 -40 177.06

<<50 ."I85;70 *!50 .175cl2 =:50 176.52 "176.11 '10 '17813 178.62 177.96 I

8+40 10 20 174;37 176.82 173;36

'010 175:.75 '20 'l76.17 10 20 177.67

'30 172A2 40 177.02 '30 177;53 30 177.17 40 175.13 .ao 169.18 40 17785 40 177.77 I ": l67.'02 50 177.'58 '45 '50 178."27 45 '177.28 50 166;65 .'55 -176;97 100 174.'63 75 '177.'25 .125 '174'.93 8+50 ".10 ,173:36 :81 174.55 150 '171".23 10

'I173.76

'1 74@6 20 78.'57 .-20 17489 :89 17285 175 176.28 30 177.56 ;:30 176:55 '95 174.55

40 176;66 ~40 17330 .100 178.25 l50 178.91 -.45 172.'20 l35 '182.15 75 177.10 100 17038 '150 179.85 100 '182;40 125 171'.23 175 182.05

'1 04 183.'20 150 '6613

108 "I89.60 175 17238 9+10 . 10 "I77.61 178.05 10 178.'1 8 125 '192.60 '185 173.28 ".20 176.71 .20 177.'58 132 :1 91;30 ".30 "l77.90 '30 17722

'136 181.19 40 179.'26 40 177.61

=50 179 42 "45 178.48 10 176.20 175.20 10 17437 .'55 '178.13

'20 179.01 20 175.10

'177.80 '9+20 '1 77.11

-30 "-30 175.86 10 178.06 177.27 10

'40 176:41 '40 'l74';21 -20 179.51 20 174.51 50 176.34 45 172;85 -30 17995 30 178.77

.40 "180:01 40 178.42 8+70 10 176.02 174.36 10 174.74 -50 179.64 20 176.53 '20 175.15 30 179.14 30 '175.61 9+25 65 178.02 40 175.50 40 174.52 75 178.67 50 173.70 45 173.17 100 183.00 125 180.58 150 181 $0

ELEVATIONS OF SURFACE ROCK AT MAIN DAM:

SUMMARY

OF ALL SURVEY DATA UPSTREAM DOWNSTREAM UPSTREAM DOWNSTREAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 9+30 10 178.86 177.95 10 178.55 9%0 10 187.55 185A8 Ip 186.09, 20 180.24 20 178.63 20 184.09 20 186.40 30 177.45 30 179.44 30 183.99 30 187.85 4Q 179.44 40 181.17 40 188.50 50 179.15 10+00 10 190.14 189.24 10 189.26 9440 10 180.96 178.69 10 179.62 20 188.61 20 187.94 20 180.91 20 178.67 30 186.53 30 189.72 30 178.74 30 180.83 41 199.20 35 192.06 35 17827 40 180.63 50 199.63 40 194.23 40 179.17 56 201.50 50 194.94 50 178.85 75 194.20 65 193.22 100 19120. 75 187.67 10 181.33 180.01 10 179.86 107 191.70 100 193.00

~ 20 180.83 20 181.86 115 181.00 125 193.47 30 179.59 30 182.52 138 180.00 150 193.74 35 179.45 40 186.56 145 185.00 4Q 179.50 50 190.32 150 186.00 57 183.55 65 182.55 82 183.35 75 181.96 10+10 10 193.33 191.56 10 189.85 100 180.05 100 188.06 20 193.23 20 192.39 150 181.15 ~ 125 187.51 30 192.55 30 193.93 175 179.55 188.38 35 19S.84 170 187.64 40 197.20 9+60 10 181.'77 180.61 10 181.75 10+20 10 194.81 194.82 10 194.8\

20 180.69 20 180.82 20 19627 20 195.01 30 180.15 30 183.40 30 195.66 30 198.65 35 180.22 40 185.81 35 200.25 40 180.58 40 199.99 9+70 10 181.76 178.59 10 182.55 10+25 50 198.07 20 181.55 20 181.91 65 19299 30 182.53 30 184.15 75 187.08 35 182.89 35 185.08 100 195.51 40 186.39 125 198.05 9+75 50 191.40 10+30 10 196.54 198.29 10 196.81 65 189.39 20 197.60 20 197.99 75 186.06 30 197.82 30 202.64 100 187.61 35 292.60 125 188.43 150 191.18 10+40 10 196.02 199.49 10 200.41 20 199.30 20 199.54 9+80 10 183.58 183.89 10 184.49 30 200.67 30 202.51 20 30 183.43 182.20 20 30 40 182.13 184.93 187.12

" 202.76

ELEVATIONS OF SUR ROCK AT MAIN DAM:

SUMMARY

OF SURVEY DATA UPSTREAM DOWNSTREAM UPSTREAM DOWNSTREAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 'TATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 10 19&$6 10 199.95 11+25 40 217.73 20 201.89 20 200.92 50 218.23 25 202.51 30 202.63 75 213.63 30 202.81 35 201.73 95 213.08 45 210AO 50 200.61 75 208.50 65 192.76 11+30 10 214.28 212.67 10 212.98 100 203.30 75 191.30 - 20 215.59 20 213.63

~ 119 200.80 100 192.73 30 215.03 125 192.50 135 194.73 11+40 10 216.70 216.11 10 216.77 20 217.21 20 215.40 10 202.40 203.29 10 20143 30 216.38 20 203.81 20 202.19 25 205M 30 202.18 10 219.07 10 218.0&

35 202.18 20 219.19 20 217.23 30 2'I &.30 10+70 10 205.77 206.64 10 204.34 40 220.03 20 205.19 20 203.75 50 219.38 25 206.17 75 217.03 I 95 217.48 10+75 50 207.85 65 203.89 11+60 10 218.91 217.96 10 219.78 I 20 218.83 75 201.45 20 217.89 100 202.43 30 219.79 125 200.81 11+70 10 221.73 219.09 10 218.49 10 209.61 210.11 10 20887 20 222.75 20 220.75 20 20741 20 207.22 25 220.51 25 20799 30 20523 30 221.57 10+90 10 210.97 211.33 10 209.25 - 11+75 40 224.53 20 211.13 20 209.20 50 223.93 25 210.62 30 209.39 75 221.28 90 222.38 11+00 10 211.45 210.13 10 209.60 20 212.89 20 210.52 11+80 10 225.67 ~

222.53 10 220.20 25 21328 30 210.05 20 226.01 20 221.99 50 214.13 25 227.44 65 213.06 30 222.87 75 211.41 100 209.84 11+90 10 228.48 226.76 10 22486 125 207.26 20 228.21 20 225.93 25 226.93 11+IO 10 213.44 209.53 10 208.82 20 214.49 20 210.71 12+00 10 229.38 228.78 10 227.11 25 214.76 30 211.40 20 231.00 20 225.93 25 226.93 11+20 10 21396 209.76 10 208.42 30 230M 20 . 216.02 20 211.40 50 229.07 30 213,42 75 223.70 95 225.64

ELEVATIONS OF SURFACE ROCK AT MAIN DAM:

SUMMARY

OF ALLSURVEY DATA UPSTREAM DOWNSTREAM UPSTREAM DOWNSTREAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 12+10 10 231.11 231.35 10 228.98 13400 10 233.66 233.16 5 235.81 15 231.51 20 229.16 25 244.85 25 246.36 25 229.74 50 244.98 50 239.78 12+20 10 232.46 232.21 10 231.65 13+10 10 235.16 233.41 233.76 20 234.15 15 231.31 20 231.66 13+20 10 234.22 232.67 233.07 25 233.21 13+25 25 248.01 25 246.36 12+25 30 234.65 50 250.80 50 239.78 50 228,28 64 250.97 75 227.23 85 228.45 13+30 5 230.82 230.92 231.57 10 231.87 12+30 10 233.38 233.28 10 232.37 20 233.83 15 233.13 13+40 10 231.47 229.97 5 231.97, 20 233.09 13450 5 231.57 230.47 232.22 12+40 10 233.16 234.30 10 234.27 10 231.17 20 234.14 15 234.43 25 251.79 20 234.09 33 252.98 I 12+50 10 235.43 236.43 10 236.44 13+60 10 229.82 231.12 235.02 20 235.21 15 236.97 CO 30 235.68 25 237.53 13+70 10 229.87 232.82 237.47 I 235.68 50 233.58 50 75 235.88 75 230.19 13+80 10 230.62 231.62 238.27 12+60 10 237.36 238.86 10 237.16 13%0 10 231.47 231.97 239.12 20 234.81 14+00 10 232.17 232.17 5 232.67 12+70 10 235.36 237.26 10 236.91 233.71 14+10 10 232.32 231.62 5 232.97 20 25 235.66 14+20 10 233.27 232.47 233.02 12+75 30 236.53 25 234.65 234.07 50 238.33 50 23721 75 240.63 69 239.50 14+30 10 237.67 235.52 10 237.32 85 240.23 14+40 10 241.25 240.10 10 242.25 12+80 10 234.46 233.86 10 234.11 20 234.56 14+50 10 245.60 243.60 10 245.05.

12+90 10 234.31 233.10 10 236.56 14+60 10 247.60 246.50 10 247.40 15 234.76 14+70 10 250.45 248.15 10 249.00 14+80 10 250.70 249.80 10 249.80 0 14+90 10 250.60 10 249.85

ELEVATIONS.OF SURF OCK AT MAIN DAM "CORE TRENCH":

SUMMA F A'LL SURVEY D'A'TA

-UPSTR EAM DOWNSTREAM STATION OFFSET'LEVATION. ELEVATION OFFSET ELEVATION.

10 252:40 251.65 10 252;85 15+10 10 255.15 252.00 10 25325 15+20 10 256.75 263.00 10 255.40 15+30 10 256;00 255.85 10 258.05 15&0 10 256.95 256.40 10'0 258:35 15450 10- 258;50 258.25 259.35 15&0 5 260.00 259.45- 10 261.45 10 262.80 16+70 5 26335 261;80 10 265.00.

10 266;15.

15+80 10 268.40 . 267;15. 10 267;80 15%0 10 269.25 269.35 269.75 WEST EXTENSION'OFCORETRENCH'TATION;,

ELEVATION-'58;85 i-W+ 00 W+ 10 254;70 W+.20 252;80. ~

W+30 251.20'46.90 W+40

~ ATEND'OF CORETRENCH=

ELEVATIONS OF SURFACE ROCK AT MAIN DAM DIVERSION CONDUIT:

SUMMARY

OF ALL SURVEY DATA UPSTREAM DOWNSTREAM UPSTREAM DOWNSTR EAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 2+20 10 163.74 162.75 10 162.22 3+30 10 161.13 , 161.00 10 160.77 15 163.09 15 161.94 15 160.75 15 160.75 20 162.69 20 162.62 2+30 10 16097 159.51 10 161.74 3+40 10 161.67 161.65 10 161.16 15 161.29 15 159.58 15 161.57 15 161.29 20

161.31 20 16224 2+40 10 160.96 159.77 10 159.37 10 161 AO 160.62 10 161.88 15 161.06 15 159.79 15 16190 15 162.83 20 162.69 10 161.79 161.31 10 161.87 15 162.65 15 162.36 10 161.11 161.81 10 160.50 20 161.71 15 162.01 15 160.66 20 161.61 2i60 10 160.63 162.69 10 162.89 15 160.90 15 16291 3+70 10 161.20 161.93 10 161.33 20 161.43 15 161.80 15 162.26.

P 2+70 10 160.69- 161.14 10 161.59 10 160.13 161.40 10 160.44 15 160.94 15 162.39 15 162.15 ~ 15 160.19 10 161.43 162.89 10 16326 3+90 10 15999 16028 10 'I 60.64 15 160.85 15 16326 15 160.94 15 160.83 20 163.40 20 16230 2+90 10 160.14 160.51 10 160.92 10 159.57 159A5 10 158.74 15 160.60 15 161.29 15 159.64 15 160.32 20 161.68 20 161.25 3+00 10 161.45 160.76 10 159.25 4+10 10 159.52 10 159.89 15 160.08 15 16029 15 159.65 15 160.66 20 160.59 20 160.15 3+10 10 159.36 158.87 10 158.04 4+20 10 159.45 15924 10 160.59 15 159.13 15 159.37 15 159.82 15 160.67 20 158.42 20 159.51 20 162.16 3+20 10 157.43 159.63 10 160.24 10 159.33 15926 10 159.18 15 159.98 15 161.03 20 159.81 20 160A7 20 161.14 4+60 10 157.49 158.51 10 15827 20 157.77 20 15837

ELEVATIONS OF SURFACE R T MAIN DAM DIVERSION CONDUIT:

SUMMARY

OF ALL SURVEY DATA UPSTREAM DOWNSTR EAM UPSTREAM OOWNSTR EAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 4+70 20 158.45 158.14, 10 154.48 5+60 30 160.31 20 158.38 20 159.34 10 157.93 158.47 10 157.28 10 157.84 156.87 10 158.30 15 157.91 20 159.91 20 159.77 20 160.47 20 158.94 4+90 10 156.61 156.79 10 158.29 10 158.55 159.80 10 159.40 20 159.26 20 157.99 20 158.35 20 159.25 5&0 10 156.42 158.18 10 158.91 6+10 10 158.22 158.67 10 158.46 20 157.85 20 160.36 20 159.69 20 159.11 5+10 10 158.87 159.14 10 157.25 6+20 10 157.25 159.46 10 158.70 20 156.18 20 159;16 20 156.71 20 160.06 5+20 10 157.76 159.84 10 160.06 6+30 10 15830 159.80 10 159.36 20 158.48 20 161.23 15 157.80 20 161.20 30 169.46 35 158.79 6+40 10 159.27 159.82 10 159.47 15 159.12 20 160.48 5+30 10 159.42 158.08 10 160.13 20 158.45 20 159,19 10 160.21 160.85 10 159.72 30 158.81 15 159.43 20 159.99 35 159.08 6+60 10 160.26 160.06 10 160.05 5+40 30 157.39 15 159.68 20 160.08 35 158.90 6%0 10 159.77 159.76 10 159.36 30 157.17 15 160;10 20 161.29

ELEVATIONS OF SURFACE ROCK AT MAIN DAM SPILLWAY:

SUMMARY

OF ALL SURVEY DATA LEFT SIDE RIGHT SIDE LEFT SIDE RIGHT SIDE STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION ,

OFFSET ELEVATION ELEVATION OFFSET ELEVATION 10 206.31 10 8+40 5 208.06 206.15 10 201.85 20 206.57 22.5 201.53 15 207.64 20 204.42 30 206.62 35 203.82 20 208.74 30 207.79 40 206.22 30 208.68 40 207.88 50 206.82 50 210.32 60 206.92 60 216.68 7&0 10 208.31 10 8+50 5 20421 201.90 10 201.53 20 208.90 . 16.1 '02.40 15 208.01 20 207.22 30 208.46 30 203.76 20 206.54 25 207.09 40 206.68 30 208.21 30 207.18 50 207.37 40 213.15 60 205.97 45 216.69 70 207.47 50 217.51 80 209.32 60 220.71 10 20728 10 203.42 8+50 10 207.70 201.84 9.4 200.44 20 206.83 20 202.73 15 207.79 20 207.68 30 207.90 30 20626 20 20826 25 208.25 40 207.92 30 208.79 30 207.97 50 207.47 50 236.64 40 219.75 60 20S.64 55 235.90 45 221.00 70 209.72 60 235.08 50 222.25 80 210.96 60 222.65 8+10 10 20832 208.05 10 204.72 8+70 10 205.47 200.66 9.4 202.57 20 208.67 20 201.88 15 207.81 20 208.45 30 207.70 30 207.59 20 208.58 25 207.97 40 208.02 30 207.95 30 208.03 50 207.16 50 23729 40 224.64 60 206.07 55 237.40 45 224.48 70 212.07 60 236.38 50 222.73 60 225.80 10 208.20 208.09 10 202.74 20 208.61 20 201.60 8+80 10 207.06 200.60 5.9 201.34 30 208.06 30 207.85 15 207.67 20 40 207.99 20 207.37 25 208.38 50 207.27 30 208.11 30 208.87 60 208.50 60 235.95 40 225.75 70 214.29 45 227.00 50 226.95 8+30 5 208.5 10 201.39 60 229.85 15 207.71 20 203.02 20 208.21 30 207.78 30 208.95 40 207.30 50 203.21 0 60 208.69

ELEVATIONS OF SURFA CK AT MAIN DAM SPILLWAY:

SUMMARY

SURVEY DATA LEFT SIDE RIGHT SIDE LEFT SIDE RIGHT SIDE STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 8+90 9.1 201.56 200.06 10 9+40 10 204.51 ~ 202.53 10 15 207.47 20 207.58 15 207.43 20 207.35 20 206.38 25 207.28 20 207.45 25 207.66 30 206.73 30 207.95 30 207.89 30 208.22 60 236.90 40 224.15 31.65 208.13 50 239.10 45 227.28 60 238.75 60 239.58 50 230.80 70 239.54 60 232.69 80 240.32 90 240.58 9&0 8.7 201.83 199.72 10 100 239.59 15 206.17 20 207.38 20 207.49 25 206.78 10 202.58 201.80 10 30 207.97 30 208.70 15 204.68 20 207.33 32 20834 40 224.57 20 208.61 25 207.32 60 239.15 45 226.75 30 207.57 30 209.31 50 229.35 32 207.99 50 236.45 60 23431 60 237.80 60 238.90 70 239.07 9+10 8.5 202.26 200.41 10 80 239.69 15 206.69 20 208.32 90 240.58 20 208.04 25 207.83 100 239.59 30 208.75 30 20997 31.24 209.60 40 229.71 9+60 10 201.75 200.94 10 60 239.85 45 231.99 15 201.70 208.20 50 233.80 20 203.75 25 207.63 60 235.76 25 206.85 30 209.84 30 208.49 50'0 233.30 9+20 10.3 201.57 20136 10 .32.6 208.86 239.79 15 206.16 20 207.18 60 230.05 70 238.38 20 207.71 25 208.47 80 239.58, 30 208.85 30 208.80 90 237.49 31 209.91 40 230.72 100 238.83 60 239.35 45- 233.47 50 235.70 9+65 15 200.68 201.67 20 208.36 60 238.45 20 19933 25 207.94 25 200.34 30 210.77 9+25 10 50 236.53 30 207.08 20 19526 60 239.04 32.1 209.28 30 195.92 70 241.70 9+70 15 200.68 20 207.17 9+30 9.2 202.60 ~

202.08 10 20 199.33 25 206.43 15 206.72 20 207.80 25 200.34 28.9 206.93 20 207.09 25 207.73 30 207.08 50 233.95 30 208.65 30 208.11 32.1 209.28 60 238.90 30.75 208.65 50 236.60 60 229.25 60 239.70 60 238.43 70 239.83

ELEVATIONS OF SURFACE ROCK AT MAIN DAM SPILLWAY:

SUMMARY

OF ALL SURVEY DATA LEFT SIDE RIGHT SIDE LEFT SIDE RIGHT SIDE STATION OFFSET ELEVATION ELEVATION OFFSET EL EVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 10 193.25 193.75 10 191.95 10+50 10 194.05 193.90 10 193.50 20 193.40 20 193.25 20 194.25 20 195.30 30 193.55 30 193.30 30 193.75 30 193.60 35 193.15 35 194.15 35 194.55 35 194.05 60 227.20 50 227.05 55 232.47 50 236.30

'0 60 236.60 60 237.27 70 236.97 9+90 197.09 196.54 10 195.62 75 237.77 20 194.19 20 195.39 80 242.87 30 192.89 30 195.71 35 193.37 35 193.68 10+60 10 200.38 198.77 10 60 232.80 40 194.88 20 200.08 20 60 236.80 25 20028 30 199.53 10400 10 196.85 196.60 10 195.79 35 199.63 20 197.30 20 197.13 40 200.69 30 197.16 30 196.88 41.2 200.78 35 196.84 35 197.19 60 237.20 60 233.90 10+70 10 200.76 199.09 22 201.61 10+10 10 196.75 196.66 10 196.95 25 200.38 20 197.76 20 196.23 30 30 197.35 30 197.19 35 200.07 35 196.76 35 196.87 40 201.05 60 237.80 60 231.55 41.3 201.34 10+20 10 197.00 196.07 10 196.74 10+80 10 200.59 199.33 20 196.96 20 196.46 20 200.34 30 196.49 30 197.26 25 200.00 35 196.97 35 197.51 30 200.15 60 237.45 50 234.15 35 199.60 40 200.36 10+30 10 194.60 193.45 10 194.55 40.8 200.97 20 196.15 20 197.20 30 194.85 30 196.20 10+85 10 198.86 35 196.40 35 196.75 20 198.83 60 233.80 50 235.60 30 200.04 35 199.50 10+40 10 194.35 194.30 10 194.65 20 193.70 20 .193.30 30 193.50 30 194.25 35 193.85 35 194.45 55 237.47 50 238.90 60 236.37 70 237.47 75 239.57 244.17

ELEVATIONS OF SURFA OCK AT MAIN DAM SPILLWAY:

SUMMARY

L SURVEY DATA LEFT SIDE RIGHT SIDE LEFT SIDE RIGHT SIDE STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 10+90 10 201.67 198.52 10 200.16 11+60 10 197.93 196.91 10 198.26 20 200.46 20 200.21 19.2 198.26 20 198.71 25 200.32 30 199.65 25 197.25 30 200.15 30 35 200.46 30 198.15 35 201.97 35 199.87 35 198.43 40 200.61 11+65 10 197.57 196.83 20 198.03 10 201.07 198.28 10 199.71 19.5 197.89 30 198.14 21.5 200.43 20 199.72 25 200.64 30 201.52 11+70 10 197.91 195.91 10 198.22 30 199.97 35 201.07 19 197.95 18.2 198.43.

35 201.12 25 198.29 40 201.01 30 19931 34.4 199.93 11110 10 201.51 197.79 10 201.02 21.1 200.05 20 200.68 11+80 10 198.84 196.10 10 197.66 25 200.04 30 200.73 20 199.33 19.1 198.16 30 . 199.45 35 200.54 25 198.65

, 35 199.90 30 198.98 40 200.54 I 11+85 20 198.87 ',

11+20 10 197.05 197.03 10 198.72 30 198.36 21.1 198.89 20 198.50 I

30 199.25 30 198.42 11+90 10 198.72 195.87 10 198.11 35 197.91 35 199.36 20 198.70 19.4 198.86 40 199.82 25 19807 30 198.85 11+30 10 200.24 197.63 10 199.98 32 199.36 21.5 198.54 20 200.02 30 198.85 30 200.73 12&0 10 197.92 196.95 10 197.72 35 19839 35 199.53 17.9 198.83 19.3 198.12 39.6 200.49 25 197.87 30 198.39 11+40 10 200.20 196.69 10 199.83 32 199.77 21 199.83 20 199.01 30 199.98 30 200.61 12+10 10 197.51 196.9 10 199.58 35 199.69 35 200.06 20 199.07 20 198.69 39.3 200.00 25 198.48 25 197.87 30 199.01 30 199.42 11+50 10 199.78 196.90 10 198.08 32 199.45 21.7 199.01 200.02 25 199.21 30 20090 30 198.83 35 200.82 35 197.77 37.5 198.20

ELEVATIONS OF SURFACE ROCK AT MAIN DAM SPILLWAY:

SUMMARY

OF ALL SURVEY DATA LEFT SIDE RIGHT SIDE LEFT SIDE RIGHT SIDE STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 12+20 10 197.38 195.77 10 197.12 12+90 10 193.39 195.27 10 196.66 20 198.07 20 196.35 20 196.95 20 197.05 25 198.77 25 196.71 30 197.42 25 196.55 30 198.59 30 198.86 30 197.47 32.8 199.66 31 197.87 12+30 10 198.06 195.95 10 198.46 13+00 10 196.95 , 195.22 10 196.31 16.6 197.09 20 198.80 20 196.41 20 197.41 25 197.14 30 197.27 25 196.93 30 197.96 30 196.87 30.8 197.87 31 197.01 12440 10 196.69 195.72 10 198.51 13+10 10 196.66 195.25 10 196.41 17.2 196.70 197.77 20 197.14 20 197.21 25 195.71 30 197.07 25 196.93 30 198.16 30 197.63 30.7 198.03 31 198.67 12+45 10 196.03 195.62 13+20 10 196.19 10 195.76 20 196.56 20 196.03 20 196.67 I

30 196.51 30 197.22 25 196.17 35 198.71 30 196.65 I 31 198.87 12+50 10 194.48 195.61 10 198.44 20 197.46 20 197.32 13+30 20 196.78 194.71 10 196.01 30 197.81 25 197.60 30 196.S2 20 196.75 33.2 ,

198.06 30 197.43 25 192.25 30 196.65 =

12%0 10 196.84 195.72 10 198.17 31 197.53 20 197.36 20 198.13 30 197.81 25 198.50 13+40 20 195.42 194.75 10 196.11 32 198.06 30 197.98 30 196.21 20 196.40 31 198.25 25 195.57 30 195.47 12+70 10 196.60 194.90 10 197.00 30.7 195.75 20 197.01 20 198.13 31 197.27 30 196.96 25 197.62 30.4 197.43 13+50 20 195.24 194.30 10 195.41 31 197.87 30 194.97 20 196.07 25 195.42 12+80 10 196.39 195.18 10 197.56 30 195.77 17.2 197.18 20 196.37 31 196.87 25 196.77 30 195.98 13+60 20 ,195.27 194.25 10 195.21 31 197.03 30 196.19 20 196.12

~"

25 195.57 195.67 194.97 10 195.86 195.97 197.13 19.9 196.56 195.77 197.66

ELEVATIONS OF SURFA CK AT MAIN DAM SPILLWAY:

SUMMARY

L SURVEY DATA LEFT SIDE RIGHT SIDE LEFT SIDE RIGHT SIDE STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 13+65 10 193.98 193.78 10 195.00 14+40 10 193.59 192.79 10 194.17 20 194.96 20 194.90 20 193.10 19.6 194.20 30 196.11 30 194.44 25 193.57 30 193.94 13+70 10 193.91 193.91 10 195.75 20 194.87 20 195.92 14+50 10 19228 192.25 10 194.54 30 195.25 30 195.66 20 193.32 20 193.22 30 194.79 30 197.08 13+80 195.44 193.34 10 194.84 50 222.84 10 20 195.60 20 196.28 30 195.99 14+60 10 193.12 192.12 10 193.91 30 195.92 31.6 196.40 20 193.14 20 193.51 30 194.68 30 193.41 13+90 10 194.29 193.53 10 193.10 20 195.66 14+70 10 191.22 191.42 10 192.66 20 195.27 30 195.76 20 193.19 20 193.07 30 195.92 30 194.68 30 193.08 14+00 10 194.92 193.56 10 195.29 20 195.79 14+80 10 192.40 191.51 10 192.28 20 193.69 30 195.60 20 193.74 20 190.30 I 30 194.77 30 194.19 30 193.91 14&5 10 193.49 193.14 10 194.60 I 20 194.09 18.6 194.22 25 195.13 14+90 10 191.62 191.21 10 190,07 30 194.96 30 195.68 15 19139 20 189.37 20 192.67 30 193.58 10 194.60 30 193.15 31.5 193.43 14+10 10 193.67 192.92 20 195.23 20 194.97 25 194.82 15&0 10 190.24 187.55 10 191.58 30 195.81 195.73 15 192.07 189.74 30 31 196.19 20 191.10 30 189.80 30 192.98 32.5 191.12 14+20 10 194;91 192.82 10 195.06 20 194.78 15+10 10 189.27 187.58 10 189.72 20 194.26 25 194.40 15 189.53 20 188.74 30 195.50 195.27 20 190.06 192.54 30 30 191.60 32 192.48 14+30 10 194.32 192.87 10 194.43 20 194.48 15+20 10 189.14 187.99 10 188.52 20 193.63 25 194.52 15 188.64 20 188.77 30 195.43 30 194.41 20 189.62 30 190.09 30 190.40 193.25

ELEVATIONS OF SURFACE ROCK AT MAIN DAM SPILLWAY:

SUMMARY

OF ALLSURVEY DATA LEFT SIDE RIGHT SIDE LEFT SIDE RIGHT SIDE STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 15+30 10 188.92 188.61 10. 190.73 16405 10 176.88 176.40 10 177.02 20 190.18 20 190.74 20 175.52 20 177.03 30 193.30 30 190.92 30 174.33 29.40 177.18 31.5 174.14 . 30 178.02 15+40 . 10 188.61 187.51 10 190.57 20 190.70 20 189.64 16+10 10 175.59 174.71 10 176.75 30 191.29 30 191.20 20 175.22 20 176.09 30 172.22 29.6 176.77 10 190.10 10 190.48 30 1 78.60 20 189.70 20 190.42 30 19037 30 191.26 16+20 10 170.58 170.14 10 172.05 20 169.62 20 169.56 15+55 10 188.65 30 17026 27.8 171.37 20 189.70 31.4 1 70.20 30 173.30 30 19097 16+30 10 166.19 164.51 10 165.84 15+65 10 187.17 186.59 10 186.60 20 16321 20 167.31 13 187.67 20 185.38 30 164.26 30 166.76 I 30 189.20 33 189.16 16+40 10 157.40 158.52 10 157.65 20 158.61 20 159.01 15+70 10 186.63 185.85 10 178.55 30 158.40 30 158.21 20 188.13 20 185.58 30 188.67 30 188.35 16+50 10 155.90 154.90 10 155.69 33 189.66 20 155.62 20 156.37 30 156.17 30 155.21 10 186.02 184.70 10 185.59 20 185.87 20 185.06 16+60 10 150.97 147.19 10 150.62 30 18539 30 185.84 20 150.20 20 150.65 33 184.89 30 150.68 30 152.29 15+90 10 182.03 181.10 10 183.08 16+70 10 146.36 145.64 10 147.20 20 182.32 20 184.13 20 145.97 20 147.27 30 184.62 29.3 183.12 30 146.21 30 146.70 32.5 184.97 30 184.42 16+00 10 178.44 177.51 10 180.62 20 178.94 179.09 30 179.44 29.7 181.77 30 194.85

ELEVATIONS OF SURFACE ROCK A IN DAM, WEST END OF CORE TRENCH:

SUMMARY

OF ALL SURVEY DATA UPSTREAM DOWNSTREAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 258.85 0+10 254.70 0+20 252.80 0+30 251.20 246.90

9.2 AUXILIARYDAM

-182-

ELEVATIONS OF SURFACE RO T AUXILIARYDAM "CORE TRENCH":

SUMMARY

OF ALLSURVEY DATA UPSTREAM DOWNSTREAM UPSTREAM DOWNSTREAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION

-1+55 5 '59.86 259.86 5 259.81 254.94 255.41 256.24 5.50 259.96 13.50 260.41 254.86 257.19

-1+45 260.06 259.86 5 259.61 0%5 253.19 254.29 254.54 260.21 14 260.76 254.19 255.24

-1+35 259.06 259A6 5 258.91 0+15 252.84 253.24 253.59 260.06 13.60 260.86 253.64 253.74 .

-1+25 258.46 258.46 5 258.86 0+25 5 255.54 252.64 5 253.04 258.76 13 260.41 11 256.44. 6 253.64

-1+15 5 257.26 257.71 5 257.26 0+35 5 255.59 255.59 255.04 9.50 25836 14 260.11 11 255.89 255.69

-1 &5 256.96 257.46 5 258.46 0&5 5 254.49 254.59 258.46 15 261.26 10 254.64 257.06 257.51 5 257.91 0+55 253.04 253.24 253.44 256.56 14 259.96 253.09 253.49

-0+85 255.76 256.66 257.21 0+65 251.S9 251.74 5 251.94 255.51 5'4.50 258.81 251.99 11 254.64

-0+75 5 255.46 255.96 5 25691 0+75 250.64 250.84 5 250.89 10 25596 14 258.21 250.84 12 255.29 5 254.26 254.96 5 255.56 0+85 251.19 250.99 5 251.09 9 253.91 12 256.56 252.64 13 253.94

-0+55 5 252.66 253.56 5 25491 0+95 5 249.49 249.49 5 250.64 8.5 253.46 11 254.S6 9 251.84 12 251.89 5 252.21 252.31 5 252.66 250.69 251.29 251.84 6.40 252.36 9.5 253.76 251.54 12 253.29

-0+35 5 25496 255.06 5 255.26 1+15 5 250.94 251.54 5 251.54 9.5 255.56 10 11 25339 12 253.54 255.91'55;96

-0+25 5 255.51 255.56 5 1+25 5 250.04 250.69 5 250.94 11 257.21 11 , 258;16 10 251.94 9 252.69

-0+15 5 256.36 256.36 5 256.66 1+35 5 251.49 251.79 252.44 11 256.56 10 262.66 11 251.29 252.89

ELEVATIONS OF SURFACE ROCK AT AUXILIARYDAM "CORE TRENCH":

SUMMARY

OF ALL SURVEY DATA UPSTREAM DOWNSTREAM UPSTREAM DOWNSTREAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 1+45 5 251.11 251.46 251.51 2455 5 243.50 5 245.05 12 250.61 251.81 10 242.25 10 245.65 20 241.05 18 246.05 ~

1+55 5 250.51 250.86 5 251.26 23 240.90 12 . 250.41 10 252.11 2+65 5 242.55 243.60 5 244.00 1+65 5 250.91 250.91 5 251.01 10 241.85 10 244.65 10 251.01 10 250.81 20 239.55 18 245.40 13 251.11 24 24025 1+75 5 250.51 250.66 5 250.96 2+75 5 241.55 242.45 5 243.05 10 250.11 10 250.71 10 240.75 10 243.40 13 249.81 12 251.21 20 239.55 18 244.55 26 239.70 1+85 5 249.66 5 250.21 10 249.01 10 249.26 2+85 5 240.15 241.25 5 241.45 15 248.91 12 249.46 10 239.65 10 241.75 20 238.25 20 243.95 1+95 5 248.71 248.46 5 248.36 26 237.60 10 248.71 10 248.11 15 248.06 11 247.81 2&5 5 238.85 239.80 5 240.35 10 238.05 10 241.15 2+05 5 247.81 247.66 5 248.06 20 237.15 20 242.45 10 247.71 10 247.91 25 236.55 17 247.41 12 246.71 3&5 5 237.38 238.23 5 238.68 2+15 5 247.31 247.36 5 247.21 10 237.08 10 239.43 10 246.86 10 247.01 20 237.88 30 242.93 19 246.66 14 245.96 26 237.88 33 243.98 2+25 5 245.35 245.55 5 245.70 3+15 5 237.38 237.08 5 237.48 10 245.05 10 245.85 10 237.68 10 238.13 20 245.05 15 245.30 20 240.63 19 238.63 21 24535 30 241.78 32 242.28 2+35 5 243.25 243.65 5 244.60 10 243.35 10 245.45 3+25 5 241.68 241.73 5 237.03 20 242.80 16.70 246.55 10 241.53 10 237.53 23 244.'IO 20 240.83 20 239.03 30 240.68 2+45 5 242.95 5 245.50 35 240.88 10 242.55 10 245.95 20 240.90 17 246.35 3+35 5 241.08 240.88 5 239.83 21 240.95 10 242.08 10 239.98 20 240.68 240.73 30 240.13 34 241.03

ELEVATIONS OF SURFACE R T AUXILIARYDAM "CORE TRENCH":

SUMMARY

0 ALL SURVEY DATA UPSTREAM DOWNSTREAM UPSTREAM DOWNSTREAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 3+45 5 241.13 240.48 5 240.23 4+25 5 230.78 233.38 5 233.53 10 240.88 10 240.18 15 232.18 15 233.03 20 239.78 20 240.98 25 234.83 25 235.18 30 239.13 24 242.08 30 234.58 35 239.68 4+35 5 230.83 230.98 5 231.33 3+55 5 240.38 240.28 5 240.43 15 233.13 15 231.73 10 239.83 10 240.38 25 233.73 20 232.48 20 239.18 20 240.73 28.50 233.43 30 237.88 4+45 5 229.98 230.03 5 230.13 3+65 5 240.28 240.13 5 239.78 15 230.38 15 230.63 10 239.48 10 239.28 25 232.13 20 231.63 20 238.93 20 241.13 27.50 232.43 21.50 232.33 30 237.93 23 241.98 32 237.98 4+55 5 230.08 230.03 5 230.53 15 230.03 15 231.23 3+75 5 239.73 239.98 5 239.18 25 231.73 20 231.93 10 239.18 10 239.68 22 232.48 20 238.48 20 240.28 30 23733 a+65 5 231.13 231.38 5 230.63 31 237.73 15 232.88 15 230.83 25 234.33 20 232.33 3+85 5 238.98 238.98 5 238.83 10 238.38 10 238.58 4+75 5 232.13 232.13 5 232.28 20 237.68 19 238.23 15 234.08 15 232.73 30 23733 20 234.43 20 233.13 22 234.53 22 233.63 3495 5 23838 238.18 5 237.78 10 23793 10 237.98 4+85 5 233.83 234.08 5 234.48 20 237.08 20 238.08 15 235.18 15 233.28 30 237.13 23 238.23 20 235.33 20 234.53 33 23833 22 234.98 4&5 5 237.43 236.98 5 236.63 4+95 5 232.24 232.52 5 233.45 10 236.78 10 236.83 10 233.56 10 233.96 20 235.68 20 236.63 20 234.04 20 235.43 30 237.28 25 237.78 31 238.30 32 237.13 5 231.10 232.22 5 233.19 4+15 5 235.53 235.53 5 234;08 10 230.83 10 234.28 15 234.43 15 235.18 19 233.15 20 235.22 25 236.78 25 236.73 29 238.34 30 236.33 31 236.33

ELEVATIONS OF SURFACE ROCK AT AUXILIARYDAM "CORE TRENCH":

SUMMARY

OF ALLSURVEY DATA UPSTREAM DOWNSTREAM UPSTREAM DOWNSTREAM STATION OFFSET . ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 5+15 5 231.07 231.09 5 232.03 6+15 5 234.60 235.58 5 236.16 10 231.43 10 232.96 10 236.84 10 237.10 17 231 A6 20 235.12 18 239.38 13 237.58 28 237.44 6+25 5 237.42 236.08 5 236.46 5+25 5 230.90 230.63 5 231.88 10 238.56 10 237.40 10 230.78 10 232.94 18 238.40 15 239.24 14 230.47 20 234.76 28 237.81 6+35 5 238.00 238.26 5 238.68 10 238.15 10 238.48 5+35 5 230.54 231.55 5 232.24 20 238.20 14 239.22 10 230.28 10 232.90 17 236.47 20 235.01 6+45 5 237.45 238.24 5 23839 27 237.02 10 237.01 10 238.53 17 236.90 20 241.39 5 233.77 232.32 5 231.33 21 241.62 10 234.22 10 231.73 I 16 237.12 20 234.15 6+55 5 23628 237.26 5 237.74 25 235.08 10 23595 10 238.56 19 235.26 20 240.65 S+55 5 234.09 5 234.35 28 242.01 10 234.95 10 231.27 16 236.67 20 234.51 6+65 5 235.07 23599 5 236.60 23 23790 10 234.47 10 237.68 20 232.71 20 239.85 5 235.28 5 235.08 30 241.67 10 235.96 10 235.52 36 242.31 17 237.88 20 236.85 24 237.65 6+75 5 234.45 235.34 5 236.05 10 233.57 10 237.13 5+75 5 235.11 23S.06 5 235.07 20 225.42 20 239.51 10 236.72 10 235.28 24 221.76 30 231.06 16 237.08 20 237.51 40 242.24 5+85 5 234.50 233.64 5 234.60 6+85 5 232.04 234.18 5 235.36 10 236.20 10 235.63 10 222.40 10 236.46 16 236.22 18 23735 20 220.06 20 238.23 30 219.76 30 239.66 5 235.56 234.20 5 235.15 34 221.99 40 241.32 10 235.88 10 235.59 14 ~ 237.16 16 237.22 6+95 10 220.78 224.14 5 233.56 20 220.76 10 235.43 6+05 5 235.71 235.78 5 235.93 30 221.25 20 237.43 10 235.97 10 236.84 40 221.22 30 237.68 14 237.81 16 238.50 43 221.18 235.34

ELEVATIONS OF SURFACE R T AUXILIARY:DAM"CORE TRENCH":

SUMMARY

OF ALL.SURVEY.DATA UPSTREAM DOWNSTREAM - UPST R EAM DOWN STR EAM STATION OFFSET ELEVATION' ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 7+05 10 221.23 222.14 5 -222.53 7+95 1.5 221.62 221.62 5 221.67 20 221.66 10 228.37 'l5 220.66 30 220.84 20 230.16 25 221.68 40 221.94 30 232.07 35 221.38 47 222.52 8+05 1.5 222.17 222.14 5 221.07 7+15 10 220.19 220.99 5 221.14 15 221.77 20 221.30 15 '221.90 25 221.29 30 .221.49 25 222.07 35 221.97 35 222.14 35 220.81 8+15 1.4 222.26 222.27 5 222.10 7+25 10 221.86 220.69 5 220.71 15 221.48 20 221.56 15 -220.76 25 220.30 25 220.98 25 221.23 35 221.82 35 220.70 8+25. 1.5 221.62 221.57 5 221.80 7+35 222.75 222.08 -5 220.54 15 221.57 15 221.50 25 220.44 25 221.15 35 220.93 35 221.32 8+35 220.61 5 220.90 7MS 1.5 222.07 222.07 5 222.18 15 222.32 15 221.09 25 219.44 25 221.07 35 221.27 35 -221.63 8+45 1.45 219.86 219.87 5 220.40 7+55 1.0 222.17 222.16 -*5 -221.85 15 220.96 15 221.01 25 221.46 25 221.07 31 220.93 35 -221.63 33 219.53 35 219.98 7+65 1.0 '221.37 221.37 '5 '221.40 45 220.32 15 -22132 25 22127 8+55 -223.80 222.39 3 222.14 35 -222.02 4 219.27 5 219.47 7+75 1.0 220.87 220.84 5 .220.40 15 220.73 15 221.54 25 221.90 25 220.66 35 221.69 35 221.64 36.50 219.48 45 221.08 7+85 222.22 222.22 5 220.58 15 221.19 25 222.24 35 222.14

ELEVATIONS OF SURFACE ROCK AT AUXILIARYDAM "CORE TRENCH":

SUMMARY

OF ALL SURVEY DATA UPSTREAM DOWNSTREAM UPSTR EAM DOWNSTREAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 8+65 5 22336 3 221.40 9+25 5 229.97 230.54 4 231.60 10 223.90 5 218.98 10 228.70 5 236.70 18 225.40 15 219.94 15 226.23 10 237.26 20 228.05 25 22127 18 221.80 15 236.92 35 222.05 21 220.38 39 222.34 40 219.03 9+35 5 236.14 236.26 5 236.41 45 22032 10 236.24 10 237.58 16 235.64 13 237.62 8+75 5 221.96 221.55 3 221.87 10 221.75 5 221.17 9+45 5 236.44 236.04 5 235.64 20 221.27 7 218.30 10 236.53 10 237.23 26 222.42 . 15 219.15 15 236.22 11 237.27 25 220.80 35 221.31 9+55 5 236.77 236.58 5 236.46 40 221.98 10 236.75 10 237.67 45 219.25 16 237.25 12 238.77 I

8+85 5 221.47 222.04 5 222.00 9+65 5 237.49 237.29 5 237.09 CO CO 15 220.92 15 221.71 10 236.67 10 239.00 I 25 221.52 20 221.17 16 237.55 13 239.10 35 222.52 22 219.64 25 219.90 9+75 5 237.48 237.14 5 237.13 35 221.73 10 236.88 10 237.97 45 223.00 15 236.49 14 239.06 8&5 5 221.16 221.74 5 222.17 9+85 5 236.44 236.73 5 237.40 15 221.16 10 224.88 10 235.53 10 238.07 25 221 cI9 25 235.07 15 234.68 16 239.05 35 22133 45 222.30 9&5 5 234.98 235.95 5 236.79 10 233.60 10 238.04 9+05 5 222.12 224.74 5 225.82 16 234.12 18 238.89 15 221.40 10 233.16 25 222.07 16 235.74 10+00 50 237.05 50 238.85 35 220.79 100 236.75 100 238.85 42 221.29 150 238.05 150 238.55 153 237.85 9+15 4 229.00 230.06 5 231.63 5 227.82 10 234.69 10+05 5 232.86 23426 5 235.85 10 222.36 12 236.64 10 232.83 10 237.25 15 221.29 15 233.25 20 238.26 25 221.52 22 238.67 32 220.84

ELEVATIONS OF SURFACE R T AUXILIARYDAM "CORE TRENCH":

SUMMARY

OF ALL SURVEY DATA UPSTREAM DOWNSTR EAM UPSTREAM DOWNSTREAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET 'ELEVATION ELEVATION OFFSET ELEVATION 10+15 5 231.13 231.40 5 233.83 10+95 5 226.77 227.48 5 229.54 10 231.25 10 235.40 10 '226.15 10 230.14 14 231.52 20 237.64 14 22634 20 232.13 .

27 239.04 21 232.12 10+25 5 231.54 232.17 5 232.59 11+00 50 235.15 23595 50 238.85 10 231.17 10 233.71 100 233.05 100 239.95 14 231.45 20 236.32 150 .234.35 150 240.65 26 237.76 152 23495 162 '41.25 10+35 5 23181 232.29 5 233.48 'l 1+05 5 225.10 225.70 5 228.29 10 231.17 10 '34.59 10 '2523 10 229.24 14 231.43 20 236.12 13 225.53 18 233.53 31 237.82 11+15 5 225.69 226.14 5 226.94 10+45 5 231.25 231.87 5 230.31 10 225.41 10 227.94 10 230.42 10 233.87 12 225.61 20 234.20 13 230.28 20 236.17 31 237.50 11+25 5 226.52 228.04 5 229.02 10 227.12 10 229.53 10+50 50 235.15 237.35 50 239.65 13 227.27 20 233.13 100 233.85 100 241.25 150 235.95 150 24235 11+35 5 227.70 229.05 5 229A6 155 237.85 163 243.35 10 227.72 10 230.13 13 228.29 20 232.19 10+55 5 230.24 230.97 5 232.27 10 229.21 10 233.12 11+4S 5 228.75 229.42 5 229.88 13 229.15 20 234.99 10 ~ 228.04 10 230.23 31

=

237.43 13 22890 20 231.36 10+65 5 229.51 229.97 5 231.31 11+50 50 233AS 235.15 50 235.95

, 237.25 10 228.99 10 231.75 100 232.15 100 13 228.82 20 234.89 150 232.95 150 239.85 31 23639 154 233.65 169 240.85 10+75 5 228.80 229.48 5 230.13 11+55 5 228.04 228.64 5 228.83 10 228.58 10 231.56 10 22724 10 228.87 13 228.42 20 234.09 12 227.58 19 230.11 30 236.27 11+65 5 22$.83 226.05 5 227.24 10+85 5 227.82 229.58 5 229.S2 10 226.26 10 227.37 10 226.97 10 230.66 19 228.59 14 227.13 20 233.24 24 23435

ELEVATIONS OF SURFACE ROCK AT AUXILIARYDAM "CORE TRENCH":

SUMMARY

OF ALL SURVEY DATA UPSTREAM DOWNSTREAM UPSTREAM OOWNSTR EAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 11+75 5 224.60 224.72 5 226.03 12455 5 221.02 221.12 5 221.41 10 226.23 10 225.79 10 221.42 10 221.91 11 226.40 19 227.17 15 222.72 11+85 5 224.47 223.67 5 226.03 12+65 5 224.02 224.11 5 224.05 10 225.15 10 225.60 10 224.11 10 224.44 10.50 225.14 21 227.59 13 224.30 19 226.10 11+95 5 223.40 223.92 5 224.39 12+75 5 22337 223.58 5 224.31 10 224.33 10 224.67 10 223.74 10 223.87 11 224.33 18 226.35 15 223.72 23 226.28 12+00 50 230.85 232.85 50 236.25 12+85 5 222.55 5 222.89 100 231.15 100 236.05 10 222.28 10 222.82 222.77'20.52 150 230.55 150 238.35 15 22222 26 225.73 158 233.15 170 239.45 I 12+95 5 220.56 5 221.20 12405 5 221.93 222.27 5 223.50 10 220.28 10 221.69 C) .10 222.84 10 223.89 14 220.28 23 223.49 I

11 222.83 17 224.68 13&5 5 219.03 219.06 5 219.27 12+15 5 221.23 221.69 5 22198 10 218.61 'IO 219.69 10 221.13 10 222.29 14 218.47 21 221.31 17 222.91 13+15 5 217.43 217.57 5 217.82 12+25 219.39 219.56 5 220.34 10 217.25 10 218.54 219.76 10 220.69 13 217.48 20 219.73 16 220.99 13+25 5 215.88 216.16 5 216.25 12+35 5 219.56 218.54 5 218.91 10 215.58 10 216.81 10 220.81 10 218.63 14 215.59 17 217.71 13 218.76 13+35 5 214.28 214.39 5 215.73 12+45 218.82 218.80 5 219.30 10 214.23 10 218.82 218.90 10 219.75 11 214.23 26 226.65 13 219.97 13+45 5 218.51 218.45 5 218.93 12+50 50 229.05 232.05 50 235.35 10 219.45 10 220.65 100 230.15 100 238.85 18 221.15 24 224.76 150 229.75 150 241.75 155 230A5 176 243.65 13+55 5 219.53 219.90 5 220.14 10 219.88 10 220.50 17 22033 22 222.85

ELEVATIONS OF SURFACE RO AUXILIARYDAM "CORE TRENCH":

SUMMARY

0 LL SURVEY DATA UPSTREAM DOWNSTREAM UPSTREAM DOWNSTREAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 13+65 5 218.56 219,11 5 218.93 14+75 5 216.02 215.96 5 215.84 10 218.91 10 219.23 10 217.06 10 216.19 15 218.93 21 221.19 16 217.64 13 216.65 13+75 5 21690 217.73 5 218.33 14+85 5 216.79 216.75 5 216.88 10 217.28 10 218.73 10 216:58 10 216.91 15 21733 19 219.63 17 217.64 17 220.25 13+85 5 216.03 216.38 5 216.83 14&5 5 213.99 214.17 5 216.02 10 215.73 10 217.05 10 215.28 10 216.70 15 216.63 18 217.69 15 215.78 15 218.36 13%5 5 216.03 215.36 5 215.52 15&5 5 212.88 213.30 5 214.72 10 215.15 10 215.67 10 213.48 10 215.54 12 215.15 16 217.27 15 214.13 12 215.95 14&5 5 218.60 218.76 5 218.89 15+15 5 213.33 213.50 5 214.02 10 218.01 10 218.50 10 213.02 10 214.85 I 16 220.02 16 220.20 14 213.73 11 215.20 14+15 5 219.17 219.27 5 219.22 15+25 5 215.48 215.02 214.87 I

10 218.65 10 219.24 10 215.84 10 217.07 18 220.51 15 213;86 15 216.95 14+25 5 219.07 219.47 5 219.40 15+35 5 216.07 216.05 5 216.27 10 217.99 10 218.70, 10 216.13 10 217.67 18 219.30 19 221;38 16 217.05 14+35 5 217.85 218A4 5 218;16 1&45 5 215.98 216.12 5. 216.15 10 217.85 10 218.27 10 216.10 10 216.86 17 21793 19, 220;19 16 216.62 12 218.17 14+45 5 216.60 276.86 5 21636 15+55 5 215.82 215.43 5 215.88 10 216.36 10 217.44 10 216.06 10 216.83 16 216.31 16 217.24- 17 21677 11 216.95 14+55 5 214.96 215.27 5 215:82 15+65 5 216.05 216.16 5 216.30 10 214.80 10 216.24- 10 215.98 10 216.73 17 215.02 15 18 216.36 14 218.78 216.65'14i76 14+65 5 214.12 214.14 5 15+75 5 215.18 215.42 5 215.85 10 213.75 10 215.27 10 215.12 10 216.46 15 214.85 15 217;16 17 215.13 14 216.88

ELEVATIONS OF SURFACE ROCK AT AUXILIARYDAM "CORE TRENCH":

SUMMARY

OF ALL SURVEY DATA UPSTREAM DOWNSTREAM UPSTREAM DOWNSTREAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 15+85 5 214.14 214.63 5 214.77 16+55 10 21489 215.64 10 216.43 10 213.91 10 215.07 15 214.80 15 217.59 16 214.13 13 215.54 20 215.28 30 214.83 15I95 10 212.64 213.35 10 213.95 16 214.13 14 21438 16+60 15 214.12 214.96 13 216.53

'25 214.46 15 217.27 16+05 10 212.70 212.27 .10 213.24 35 213.86 23 219.75 16 213.69 14 21390 25 219.65 16+15 10 212.28 212.47 10 213.59 16+65 10 214.67 215.01 10 216.18 15 213.42 13 <<213.74 15 214.45 15 217.54 21 217.53 15 217.40 20 214.41 25 217.53 30 213.75 35 218.21 16+70 15 213.17 214.45 10 215.44 16+20 15 215.24 214.19 13 214.95 25 213.01 15 216.97 17 215.18 15 217.37 22 216.72 16+75 10 213.49 214.24 10 215.19 25 216.89 15 212.69 15 216.49 20 212.99 20 216.89 16+25 10 215.16 215.79 10 216.03 30 211.94 30 217.69 15 215.76 15 217.53 40 21124 20 216.24 45 211.29 65 208.94 16+30 15 215.41 216.21 15 217.80 25 215.51 22 222.62 16+85 10 212.09 212.64 10 213.99 25 22323 15 21129 15 214.79 20 21129 20 215.39 16+35 10 215.10 215.86 10 216.46 30 210.29 30 216.19 15 215.21 15 217.49 40 209.64 20 215.80 46 209.64 68 206.94 16+40 15 214.76 215.42 15 217.01 25 215.03 25 221.71 16+95 10 210.59 21134 10 212.74 15 210.09 15 213.29 16+45 10 213.93 215.67 10 216.76 20 209.89 20 213.84 15 214.66 15 217.70 30 208.99 30 214.69 20 215.56 40 208.24 30 214.90 44 207.94 47 215.89 16+50 15 214.78 215.40 15 217.44 67 205.24 25 214.91 25 220.85 35 214.68

ELEVATIONS OF SURFACE RO AUXILIARYDAM "CORE TRENCH":

SUMMARY

OF ALLSURVEY DATA UPSTREAM DOWNSTREAM UPSTREAM IL OOWNSTREAM STATION OFFSET ELEVATION ELEVATION'FFSET ELEVATION- STATION OFFSET ELEVATION" ELEVATION OFFSET ELEVATION 17+00 25 208.98 210.60 17+35 10 205.79 205.89 10 206.79 50 206.65 205.39 15 207.29 15'0'0 75" 203.94 204.94 20 207.79 100 203.50 204.09 30 209.49 125 204.55 40 20324 40 210:14 150 206.24 50'0 203;14- 45 210.69 175 206.73 203.89 55 211.24 176 206.78 62 203.79 184 215.08 17+45 10- 204.49 204.59 10 206.24 17&5 10 209.14 210.99 10 211.29'11.79 15 204.14- 15 206.94 15 208.49 15 20 204.39 20 207.34 20 207.79. 20 212;24: 30 205.19 30 207.90 30 207.19 30 213.09. 40 20S;04 40 208.69 4Q 206.59 37 213.74- 50 203.74 50 209.49 47 206.24 49 214.54- 60. 206.14 57 210.54-67 203.74 I 17+50 25 205.22 204.87 17+15 10 207.79 208.74 10 209;69 50 206.79 15 207.29'06.89'-

15 210.19 75 205.11 I 20 20 210.69 100 206:04-30 205;94 30 211.49 125 205.10 40 205.29 50 213.14 150 204.27 50 204.29 175 205.67 60 204.29 175.50 205.71 68 20339 181 214.33 17425 10 206;19 207.24 10 208.19 17+55 10 203.49- 204.14 10- 204.04.

15 205.89 15 208.69 15 204.84- 15 204.99 20 206.19 20 209,19 20 204.89 20- 205.79 25 30- 30 207A4- 30 206.69 209.99'10.84:

30 208.98'05.29'04A4 40 4Q 207;09 50- 208.00 40 42* 211.74- 50 205.78 55 210.24 50 203.89'02.99 53 212.84- 60 205.60-60 65 202.29 17+65 10 204.14- 10 203.94-67 202.29 15 205.29 15 203;54-75 20 205;64- 20'- 204.39 203.94'03.50 100 30 206.19 30 205.09 125 204.55 40'0 20577 40- 205;89 150 206.24 204.88 50'6 208:69 175 206.73- 60- 205.24 209.24 176'84 206.78 215.08

ELEVATIONS OF SURFACE ROCK AT AUXILIARYDAM "CORE TRENCH":

SUMMARY

OF ALLSURVEY DATA UPSTREAM DOWNSTREAM UPSTREAM DOWNSTREAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 17+75 10 205.39 203.46 10 203.99 18WS 10 204.79 205.24 10 205.69 15 205.89 15 - 204.49 15 204.54 15 205.19 20 206.09 20 204.34 20 204.34 20 205.04 25 205.83 30 203.59 30 203.99 30 205.76 30 205.59 40 206.24 40 203.24 40 206.27 40 205.39 50 207.24 50 203.73 50 204.13 50 205.48 58 , 207.99 60 204.17 60 203.37 60 205.24 59 208.09 65 203.64 62 203.57 62 205.16 75 204.13 18+15 10 . 204.29 204.99 10 205.39 100 204.75 15 203.69 15 205.99 125 203.76 20 203.59 20 206.24 150 205.26 30 202A4 30 206.01 175 204.84 40 204.22 40 205.40 176 204.98 50 203.49 50 205.66 183 215.46 60 203.14 60 202.81 65 205.36 17+85 10 205.54 205.74 10 205.59 15 205.44 15 203.14 18+25 10 202.59 203.08 10 204.09.

20 205.59 20 203.09 15 202.24 15 204.19 30 205.89 30 204.09 20 202.19 20 204.69 40 205.79 59 206.34 25 204.80 30 205.69 50 205.12 30 202.29 40 20S.83 60 204.17 40 202.93 50 205.55 50 202.91 55 205.87 17&5 10 205.24 205.29 10 205.84 60 205.64 67 204.90 15 205.34 15 206.24 65 205.88 70 202.30 20 205.84 20 206.19 75 205.00 75 202.00 30 205.24 30 204.29 100 203.58 100 203.80 40 204.74 59 205.29 125 202.34 125 209.60 50 203.95 150 206.03 60 202.88 175 205.79 176 20S.83 18+00 25 204.80 205.03 50 203.40 190 213.87 50 203.11 75 205.80 75 203.32 18+35 10 201.60 201.30 10 202.44 100 205.85 15 202.41 15 202.51 125 204.07 20 202.88 20 203.37 150 203.73 30 202.40 30 204.32 175 206.43 40 204.13 40 205.37 176 206.48 50 205A3 50 206.21 184 213.87 60 204.81 60 206.58 63 204.68 62 206.37

ELEVATIONS OF SURFACE RO AUXILIARYDAM "CORE TRENCH":

SUMMARY

OF ALLSURVEY DA'TA UPSTREAM DOWNSTREAM UPSTREAM DOWNSTREAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 18&5 10 200.86 200.81 10 201.32 18+75 10 199.20 199.17 10 199.65 15 201.71 15 202.43 15 202.28 15 199.97 20 201.92 20 203.12 20 203.16 20 201.45 30 203.96 30 204.14 25 203.02 30 202.42 40 50 205.12 204.80 40 50 204.89 205.22 30 40 204.07 203.90 '040 202.89 204.13 204.52 60 204.64 60 206.17 50 203.10 57 63 204.92 60 203.75 75 204.2 75 205.25 87 205.1 18+50 25 203.92 200.08 50 205.2 100 204.32 93 203.7 50 205.10 75 206.7 125 203.05 100 203.9 75 203.62 89 203.1 150 203.23 125 205.4 100 201.29 100 201.5 175 203.98 150 207.4 125 203.51 107 204.9 180 203.98 150 203.20 121 206.3 192 206.12 175 204.10 122 208.3 178 204.20 125 208.7 18+85 10 201.45 200.62 10 201.96 I

189 215.30 150 211.1 15 201A4 15 200.02 20 204.68 20 201.12 18+55 10 201.17 199.61 10 200.42 30 203.52 30 201.18 15 200.71 15 201.29 40 205.08 40 202.04 20 203.11 20 204.23 50 205.12 50 202.73 30 205.36 30 203.15 60 205.11 57 203.86 40 205.16 40 203.08 50 204.90 50 204.52 18+95 10 206.62 206.47 10 202.31 60 204.21 60 205.34 15 206.52 15 202.47 63 204.09 20 206.57 20 204.17 25 205.72 25 205.52 18+65 10 199.60 200.21 10 199.52 30 204.88 30 203.84 15 201.89 15 201.67 40 205.69 -40 203.19 20 203.05 20 202.21 50 205.23 50 204;04 30 203.87 30 203.19 60 205.46 58 204;90 40 204.74 40 204.10 62 205.48 60 205.14 50 204.05 50 204.78 60 203.14 60 204.20 19&0 25 204.90 205.83 50 204.7 203.10 50 205.16 68 204.8 75 205.14 75 204.0 100 203.16 80 202.8 125 203.22 100 203.9 150 205:75 110 201.7 175 205.77 123 202.3 176 205.78 150 204.3 189 215.24 153 204.7

ELEVATIONS OF SURFACE ROCK AT AUXILIARYDAM "CORE TRENCH":

SUMMARY

OF ALLSURVEY DATA UPSTREAM DOWNSTREAM UPSTR EAM DOWN STR EAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 19+05 10 205.42 201.07 10 201.92 19+35 10 20232 201.47 10 202.07 15 205.02 15 20222 15 203.57 15 203.42 20 204.52- 20 203.82 20 203.72 20 203.02 25 204.32 25 205.37 25 20287 25 204.42 30 205.28 30 205.12 30 204.46 30 203.65 40 205.33 40 204.50 40 204.88 40 202.73 50 205.17 50 204.51 50 204.55 50 202.55 60 205.06 59 204.38 60 204.32 59 203.04 63 205.07 61 20433 19>1 5 10 203.52 204.02 10 202.22 19+45 10 202.82 201.72 10 201.82 15 202.87 15 202.57 15 202.42 15 202.92 20 20232 20 203.42 20 203.02 20 202.72 25 203.67 25 204.17 25 202.87 25 204.02 30 206.06 30 20424 30 203.63 30 204.14 40 205.88 40 202.88 40 203.88 40 203.61 50 205.08 50 203.64 50 202.83 50 202.93 I 60 204.03 58 204.10 60 203.14 59 205.44 63 204.29 19+50 25 20338 201.06 50 203.40 19+25 10 201.67 202.42 10 20122 50 203.32 75 203.20 15 204.02 15 202.12 75 205.68 100 203.00 20 204.92 20 202.52 100 205.22 112 203.40 25 205.62 25 203.62 125 205.67 114 202.30 30 205.88 30 205.91 150 20S.90 125 202.70 40 206.18 40 203.52 175 206.05 150 203.00 50 205.67 50 203.71 180 206.28 161 203.40 60 204.91 58 203.49 193 219.32 61 204.10 60 203.70 75 202.48 62 202.50 19+55 10 202.22 199.47 10 201.32 100 205.23 75 203.40 15 201.52 15 202.62 125 205.51 100 204.60 20 201.17 20 203.67 150 205.66 111 203.40 25 203.92 25 204.17 175 205.43 115 201.40 30 202.75 30 203.89 180 205.48 125 199.90 40 203.19 40 203.84 191 215.22 150 202.60 50 202.73 50 20326 161 204.20 60 204.06 60 203.46 63 203.73

ELEVATIONS OF SURFACE R AUXILIARYDAM "CORE TRENCH":

SUMMARY

OF ALL SURVEY DATA UPSTREAM DOWNSTREAM UPSTREAM DOWNSTREAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 19+65 10 201.22 200.37 10 201.52 19+85 10 200.87 201.17 10 201.02 15 200.67 15 20332 15 200.87 15 202.27 20 202.22 20 205.07 20 201.12 20 202.82 .

25 203.52 25 205.22 25 204.82 25 203.32 30 201.98 30 204.92 30 202.39 40 203.49 40 203.88 40 202.76 50 204.59 50 203.52 50 203.66 60 205.67 60 203.63 60 204.28 65 205.95 63 203.67 63 204.36 19+70 10 201.82 200.92 10 202.12 19I90 10 200.42 200.57 10 200.72 15 201.42 15 203.62 15 20032 15 201.42 20 202.12 20 204.82 20 202.92 20 202.12 25 203.02 25 205.22 25 204.82 25 203.32 19+75 5 201.77 201.32 10 202.02 19+95 10 201.12 200.1 7 10 200.12 10 201.07 15 203.62 15 200.97 15 200.77 20 201.52 20 20422 20 203.12 20 201.62 25 201.17 25 204.72 25 204.82 25 204.32 30 203.05 30 204.07 30 205.14 30 203.89 40 205.07 40 204.07 40 205.44 40 201.39 50 203.01 50 204.17 50 205.61 50 203.66 60 205.71 60 204.37 60 205.77 60 204.19 64 205.68 75 204.30 62 204.12 75 205.97 100 205.30 100 205.85 125 204.00 20+00 10 201.52 201.04 10 201.32 125 203.95 130 201.40 15 201.96 15 201.02 150 20532 150 201.80 20 204.02 19 201.26 175 206.23 159 203.10 22 204.76 20 201.82 182 206.23 25 205.04 24 204.66 197 218.92 50 205.64 25 204.77 75 ,205.66 50 203.10 19+80 10 201.42 201.37 10 201.62 100 205.16 75 204.70 15 200.82 15 202.82 125 205.58 100 204.30 20 201.62 20 203.42 150 207.03 125 204.30 25 204.52 25 204.12 175 212.83 150 203.90 179 213.52 164 205.50 201 219.35

ELEVATIONS OF SURFACE ROCK AT AUXILIARYDAM "CORE TRENCH":

SUMMARY

OF ALLSURVEY DATA UPSTR EAM DOWNSTREAM UPSTREAM DOWNSTREAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 20&5 30 204.98 30 204.95 20+40 10 202.72 202.31 10 202.62 40 205.19 40 204.61 15 202.22 15 203.22 50 205.06 50 202.81 20 203.52 20 204.32 60 205.94 60 203.55 25 204.82 25 205.92 63 203.72 20+45 30 204.90 20+10 10 202.02 201.67 10 201.82 40 205.22 15 202.52 15 202.12 50 204.76 20 203.72 20 202.92 60 204.18 25 204.62 25 205.42 61 204.18 20+15 30 204.92 10 20222 201.94 10 202.66 40 205.06 15 203.02 15 203.02 50 205.25 18 203.36 20 204.62 60 205.65 20 20382 23 205.86 25 20435 25 205.96 20+20 10 202.22 202.62 10 201.82 50 205.01 50 206.30 15 202.S2 15 20192 75 204.70 75 206.80 20 203.22 20 204.22 100 206.35 100 206.30 CO I 25 204.82 25 205.72 125 207.96 125 203.80 150 213.68 139 201.90 20+25 25 205.26 202.81 50 205.80 175 211.89 150 204.60 30 205.18 75 20530 178 211.88 161 204.40 40 205A4 94 203.20 201 221.48 50 205.01 100 202.10 60 205.17 125 202.60 20+55 30 204.08 61 205.25 150 203.70 40 204.86 75 205.81 162.50 204.80 50 204.72 100 206.44 60 204.47 125 206.23 150 211.54 20+60 10 202.72 202.77 10 202.72 .

175 213.86 15 202.92 15 203.12 182 214.69 20 203.42 20 205.02 202 221.58 25 203.92 25 206.02 20+30 10 202.82 203.08 10 202.12 20+65 30 203.42 15 203.02 15 202.12 40 202.92 20 204.12 20 204.52 50 203.16 25 205.32 25 205.92 60 203.87 20+35 30 205.02 20+70 10 201.62 201.57 10 202.62 40 204.95 15 202.92 15 203.12 50 204.50 20 203.82 20 204.12 60 203.88 25 20522 25 205.72

-.ELEVATIONS OF SURFACE R AT AUXILIARY.DAM"CORE TRENCH".

SUMMARY

'OF ALLSURVEY'DATA

.UPSTREAM DOWNSTREAM UPSTREAM DOWNSTR EAM STATION OFFSET ELEVATION ELEVATION;OFFSET ELEVATION STATION OFFSET 'ELEVATION ELEVATION OFFSET ELEVATION 25 204.77 201.98 100 206.60 21+05 30 205.63 30 '204.31 125 206.00 40 206.26 40 203.63 150 206.10 207.15 50 '204.13 162 206.50 59 208.52 60 204.90 20+75'0+80 75 208.66 21+10 10 '201.92 201.92 10 202.32 100 210.72 15 202.02 15 '202.52 125 211.19 20 '20222 20 204.02 150 210.86 25 '204.12 25 205.32 175 209.23 176 ,209.23 21+15 30 207.'81 201 220.48 40 208.40

50 208.55 10 202.72 202.58 10 202.62 57 209.21 15 202.82 15 203.42 20 204.12 .20 .20422 21+20 10 202.57 201.82 10 .201.77 25 204.82 .25 .205.02 15 202.37 15 202.57 I 20 202.97 20 '203.1 7 20+85 30 204.09 25 '203.47 25 205.07

.40 204.17 I

204.80 21+25 '30 208.74

-59 205.57 40 209.68 50 209.48 20+90 10 203.22 202.91 10 .203.02 60 209.65 15 203.12 15 ,20342 '87 "209.49

.20 203.72 20 204.12 100 '208.27

.25 204.42 ,25 '204.'92 125 '207.11 130 207.19 20+95 30 20386 '138 210;76

.40 205,35 1SO 210.51 50 205.71 172 '208.40

-'59 '207.50 175 211:03 200 :22029 21+00 10 202.92 203.32 10 203.'22 15 202.26 15 203.22 '21+30 10 :201$ 7 '202.32 10 '200.97 20 203.42 20 203.42 15 '201.87 15 .201.47 25 204.52 22 203.57 "20 '204.67 20 203.17 68 211.23 25 204.82 ;25 206.57 '25 '203.57 75 212.06 125 205.40 100 210.34 150 205.60 21+35 30 '208.96 125 208.60 162 206.40 40 '210.13 150 208.04 50 210.11 173 210.86 60 209.80 175 211.84 62 209.76 201 220.98

ELEVATIONS OF SURFACE ROCK*AT AUXILIARYDAM "CORE TRENCH":

SUMMARY

OF ALL SURVEY DATA UPSTREAM DOWNSTR EAM UPSTREAM DOWNSTREAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 21+40 10 203.77 021.55 10 201.47 21+90 10 204.27 204.35 10 203.77 15 204.47 15- 201.87 15 204.97 15 204.67 20 205.47 20 202.57 20 205.87 20 205.77 25 206.37 25 205.77 25 206.77 25 206.17 21t50 10 204.27 203.82 10 204.87 22+00 10 203.67 204.02 10 203.57 15 204.77 15 205.47 11 203.96 11 203.66 19 205.21 20 205.87 15 204.87 15 204.57 20 205.37 25 206.77 20 206.17 20 205.37 25 207.46 50 207.91 25 208.56 21 205.46 31 209.76 56 207.06 26 208.96 25 205.61 50 208.96 50 208.01 33 205.56 55 208.46 56 207.76 38 203.96 57 208.81 60 20721 50 205.11 72 208.96 75 207.48 57 205.76 100 206.75 100 205.53 123 20S.88 125 20726 I

M 125 208.30 150 207.81 O 150 207.16 172 207.80 O 173 206.48 175 211.26 I

175 210.84 200 220.95 200 220.34 22+10 10 203.77 20332 10 202.27 21+60 10 205.17 204.67 10 204.97 15 204.37 15 203.67 15 205.07 15 205.77 20 206.27 20 203.87 20 206.17 20 206.57 25 207.87 25 205.07 25 207.32 25 206.97 22+20 10 202.73 201.71 10 201.53 21+70 10 205.17 204.86 10 205.67 15 203.43 15 202.53 15 204.87 15 205.87 20 205.73 20 203.73 20 206.37 20 206.57 25 20633 25 204.23 25 206.57 25 207.57 22+30 10 201.73 202.62 10 202.83 21+75 59 206.51 15 203.23 15 202.93 100 205.93 20 204.23 20 203.53 125 204.65 25'0 204.63 25 204.13

,150 205.30 174 207.98 22+40 203.33 203.93 10 204.33 175 210.27 15 203.63 15 204.73 200 220.55 20 204.13 20 205.73 25 204.03 25 206.43 21+80 10 204.87 204.67 10 203.87 15 205.07 15 205.07 20 206.07 20 206.47 25 206.37 25 207.37

ELEVATIONS OF SURFACE RO AUXILIARYDAM'"CORE TRENCH":

SUMMARY

0 L SURVEY DATA.

UPSTREAM . DOWNSTREAM UPSTREAM DOWNSTREAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 22+50 10 203.03 203.61 10 203.93 23+00 10 198.83 197.88 10 199.93 15 202.83- 15 204.73 15 200.03 15 200.83 20 203;03 20 204.83 20 201.53 20 203.43 25 202.41 25: 204.86 25 25 204.73 202.53'03.13 31 202.51 50 207.21 63 33 203.76 56 207.41 75 205.95 50 203.56 207.85 59 203.56 100'25'50 205.52.

64 20620 205.43 75 206.40 171 20720 100 207.68 174 .. 211.53 125 208;60, 200 221.11 150 207.17 171 207.02 23+10 10 201.23 201.18 10 202.23 174 211.95 15 201.13 15 202.83 200 220.91 20. 201.63 20 203.73 25 201.43 25 204.62 22+60 10 202.03 10 202;93 15 201.93 15 203.83. 23+20 10 20083 201.13 10 201.83 20 202.13 202.50'01.13 20 203.83 15 200.73 15 202.63.

25 204.83 25 204.93 20 202.33 20 203.33 25 202.83 25 203.78 22+70 10 199.93 10. 201.83" 15 199.93: 15 202.23. 23+25 64 20335 20 20" 202.834 75 205.88 202.93'05.73 25 25 203:13 100 205.93 125 207.36'07.66 22+75 62. 205.18 150, 75 206.13 169 206.90 100 209.37 172 211;17 125 209.00. 200.

150:- 207.02 220.98'99;63.

171 207.05= 23j30 10. 200.23 10 199:73 175 211.67. 15 201.63 15 201.13 200. 220.27 20 201.43 20. 201.63 25 201.73 25 202.43 22+80 10 199.13 199.32 10 200;23 15 200.83 15 200.33 23+40 10 200.73 200.57 10'5 200;73 20 202.93 20'5 203.03 15 200.73 201.89 25- 204.83 204.63. 20 200;43 20'5 203.33 25 201.63 203.73 22%0 10 199.03. 198.51 10 198.63-15 199.73 15 199.53, 20 201.33 20 203A3 25 202.93 25 205.33

ELEVATIONS OF SURFACE ROCK AT AUXILIARYDAM "CORE TRENCH":

SUMMARY

OF ALLSURVEY DATA UPSTREAM DOWNSTREAM UPSTREAM DOWNSTREAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 23+50 10 199.63 10 200.13 23+90 10 199.53 198.47 10 200.03 15 199.33 11 200.19 .15 200.63 15 200.73 16 199.04 15 201.23 20 200.83 20 201.83 20 200.13 18 201.94 25 201.23 25 202.23 22 201.44 20 202.13 25 201.54 25 20239 24+00 10 199.43 199.53 10 199.83 50 20'I 24 50 203.19 15 199.83 11 199.79 51 "203.24 20 202.03 15 200.43 56 203.44 25 19929 20 202.03 64 203.23 27 199.54 21 201.89 75 204.48 29 201.94 25 202.34 100 206.65 50 203.04 47 202.34 125 205.78 54 202:74 150 204.63 56 203.94 168 205.32 57 204.04 173 211.08 75 203.60 200 220.48 100 205.76 125 206.93 23+60 10 198.23 198.53 10 198.63 150 205.07 15 199.43 15 199.63 169 205.60 20 203.83 20 200.83 174 211.23 25 204.33 25 201.33 200 220.86 23+70 10 200.63 199.93 10 200.33 24+10 10 198.53 198.53 10 199.43 15 201.13 15 200.73 15 199.23 15 199.83 20 203.23 20 201.03 20 202.03 20 203.33 25 203.53 25 203.13 25 201.03 25 204.53 23+75 75 206.65 24+20 10 198.53 197.86 10 198.43 100 204.68 15 201.13 15 199.33 125 203.54 20 202.13 20 203.43 145 204.86 25 201.93 25 204.53 150 207.65 167 208.26 24+25 75 206.11 172 210.52 100 205.97 200 221.54 125 204.40 150 20432 23+80 10 199.63 199.53 10 200.23 155 205.11 15 201.03 15 201.23 200 220.42 20 202.43 20 202.13 25 20233 25 202.43 24430 10 20023 199.77 10 200.53 15 203.03 15 200.03 20 204.83 20 202.63 25 206.63 25 206.03

ELEVATIONS-OF SUR FA'CE R 7 AUXILIA'RYD'AM'CORE TRENCH":

SUMMARY

'OF ALL SURVEY DATA UPSTREAM DOWNSTREAM UPSTREAM DOWNSTREAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION: ELEVATION OFFSET ELEVATION 24+40 10 202.73 201.92 . 10 201.43 24+90 10 203.54 203.03 10 202.54 15 203.93 15 201.43 15 204 A4 15 202.24 20 205.43 20 204.43 20 204.84 20 202.24 25 206.73 25 206.53 25 204.74 25 203.24 24+50 9 203.09 202.94 10 202.43 24+95 30 203.80 30 204.89 10 203.23 14 202.74 40 203.55 40 205.45 15 204;23 15 202.73 50 203.04 50 206.50 20 205.13 20 205.33 60 203.86 57 206.85 21 205.34 25 206.63 70 203.36 25 205.54 50 206.64 80 50 206.74 56 206.59 203.11'02.14 57 206.'04 25+OO 10 202.93 10 202.44 75 203.82 15 202.24 15 203.14 100 204.95 19 202.64 16 203.24 125 202.87 20 203.04'- 20 203.64 150 25 204.24 25 205.14 159 204.77 50 204'.14 50 205.44 200 219.89 59 204.24 57 206.14 75 202.56 24+60 10 202.63 203.16 10 203.03 100 200.9'4 15 203.53 15 203.43 125 200.82 20 206.13 20 205.63 150 206.02 25 206.63 25 206.73 161 206.70 199 219.67 24+70 10 203.43 203.83 10 203.53 15 204.'93 15 203.23 25+05 30 204.10 30 204.90 20 206.93 20 205;13 40 203.65 40 204;55 25 207.13 25 205.33 50 203.25 50 203.25

.60 20229 60 205.45 24+75 75 205.26 70 202.04- 63 205.60 100 203.95 78 201.84 125 203.07 150 200.82 25+10 10 201.74 201.89 10 201.84 155 200.82 15 201'.84 15 202.34 200 219.53 20 20334 20 203.34 25'0 203.94 25 204:54 24+80 10 203.93 202.88 10 202.43 15 205.43 15 202.83 25+15 203.10 30 205.00 20 206.23 20 204.53 40 202.80 40 205.40 25 206.03 25 205.73 50 201.60 50 203.15 60 201.20 60 203.60 70 200.90 76 200.90

ELEVATIONS OF SURFACE ROCK AT AUXILIARYDAM "CORE TRENCH":

SUMMARY

OF ALL SURVEY DATA UPSTREAM DOWNSTREAM UPSTREAM DOWNSTREAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 25+20 10 201.84 202.34 10 202.14 25+55 10 197.16 197.72 10 198.86 15 201.14 15 201.64 15 198.06 15 199.26 20 202.04 20 202.74 20 - 197.76 20 198.62 25 203.04 25 203.54 25 197.46 25 198.96 30 197.75 30 199.05 25+25 25 201.99 201.38 30 203.20 40 197.05 40 201.05 30 201.70 40 204.70 50 197.90 50 202.10 40 201.20 50 204.90 56 201.65 50 200.80 57 202.74 60 200.20 25+65 10 196.76 196.64 10 196.76 70 199.55 15 196.86 15 197.56 75 200.02 20 196.46 20 197.86 100 204.70 25 196.66 25 197.66 125 205.17 30 196.60 30 '198.15 150 204.12 40 196.40 40 199AO 159 203.98 45 196.65 50 199.75 200 220.29 54 199.85 25+35 10 199.96 199.90 10 200.06 25+75 10 195.86 195.82 10 196.66 15 201.06 15 - 200.66 15 195.42 15 196.42 20 201.16 20 201.26 20 19526 20 195.76 25 200.46 25 201.66 25 196.26 25 196.92 30 199.85 30 201.95 30 199.75 30 197.05 40 200.25 40 203.40 32 202.64 40 198.15 50 199.10 50 203.90 50 202.57 50 198.45 60 198.95 58 20335 75 20235 53 198.05 70 200.25 100 204.61 125 209.28 25+45 10 198.22 199.22 10 199.66 150 208.09 15 198.26 15 199.52 162 205.77 20 19936 20 199.96 200 220.77 25 199.42 25 . 200.16 30 198.65 30 25+85 10 194.22 194.82 10 195.26 40 198.70 40 15 194.16 15 195.46 50 198.15 50 20 196.26 20 195.96 56 198.20 56 25 20022 25 195.62 28 203.23 30 195.60 25+50 25 19832 198.97 30 206.63 40 197.50 50 202.57 40 203.03 50 198.30 75 204.64 50 201.93 55 197.65 100 204.49 60 201.18 125 204.49 70 200.88 150 202.92 74 200.83 161 202.87 200 220.62

ELEVATIONS OF SURF'ACE RO AUXILIARYDAM "CORE TRENCH":

SUMMARY

OF ALL SURVEY DATA UPSTREAM DOWNSTR EAM UPSTREAM DOWNSTR EAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET'LEVATION ELEVATION OFFSET ELEVATION 25+95 10 192.76 193.16 10 193.72 26+25 10 188.86 189.18 10 189.82 15 192.36 15 194.16 15 188.86 15 190.62 20 197.26 20 194.66 20 194.76 20 191.96.

25 20126 25 195.02 25 19826 25 19836 30 202.53 30 195.60 21 198.58 40 201.58 40 197.50 25 19836 50 200.78 50 198.30 30 199.48 60 200.08 56 197.65 40 199.03 70 199.73 50 198.03 60 , 197.68 26+00 23 201.10 70 198 cIS 50 200.77 75 201.08 75 201.07 100 208.18 100 207.11 125 207;42 125 209.20 150 205;22 150. 207.77 162 205.13 163 206.36 200 219.90 200 220.51 26+35 10 187.46 187.92 10 188.46 26&5 10 191.46 191.32 10 19226 15 188:06 15 189.56

15. 191.42 15 192.66 20 194.06 20 192.92

20. 20'5 19336 25 197;46'98.43 25 198.06 25 197.66'00.96'01.03 194;32 26 30 40 195;10'95.70'.

30 199.08 40 200.08 50 40 197:78 50 200.53 52 50 196;78'96:03 60 199.73'99.78 60 70 195:65'91.02 70 199.28 73 200.28 26&5 10 187.52 187.36 10- 188.26 26+15 20 198.46. 10 15 187;26 15- 19136 .

25. 200;06. 15 191.46 20. 196.26. 20 195.56 30: 199.43: 20 19386. 25'. 196.86 25 199.26 40 200.03 25 196'$6 30 197:88 50 199.63 40 40'0 196.18 60 50 195;65 19%43 19893'99;53

70. 195.55 195;88

74. 200.03 70'7 199$ 8'00M

ELEVATIONS OF SURFACE ROCK AT AUXILIARYDAM "CORE TRENCH":

SUMMARY

OF ALL SURVEY DATA UPSTREAM DOWNSTREAM UPSTREAM DOWNSTR EAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 26+50 26 198.58 70 198.88 50 195.02 75 201.14 75 200.10 100 205.57 100 205.22 125 204.61

]25 20527 150 204.06 150 206.55 164 204.56 163 206.27 194 217.54 197 219.11 26+85 10 191.26 191.40 10 190.76 26+55 10 194.16 193.74 10 194.86 15 19126 15 192.96 15 194.62 15 194.96 20 191.66 20 196.26 20 193.56 20 197.46 25 194.66 25 198.36 25 196.26 25 199.96 30 196.68 30 196.43 40 19628 40 194.78 50 19828 50 194.58 60 198.28 60 197.08 62 198.18 I 70 199.28 76 199.43 26+95 10 190.46 190.26 10 191.52 15 190.66 15 193.26 .

26+65 10 193.06 193.26 10 193.56 20 192.42 20 195.46 15 192.86 15 194.26 25 194.06 25 199.46 20 194.86 20 197.26 30 197.55 25 195.16 25 199.56 40 199.46 30 195.13 50 200.83 40 194.28 60 200.19 50 196.03 60 197.38 27+00 31 199.74 70 198.13 50 20020 72 19928 75 201.12 100 204.22 26+75 10 191.26 192.02 10 192.46 125 205.79 15 190.96 15 194.26 150 208.80 20 192.56 20 196.76 164 207.67 25 194.82 25 198.26 193 216.85 30 195.73 40 195.48 27&5 10 193.15 191.55 10 193.55 50 196.23 15 193.05 15 194.25 60 "196.23 20- 19435 20 198.65 67 199.53 25 196.55 25 199.65 30 200.22 40 200.34 50 199.74 60 198.89

ELEVATIONS'OF'SURF'ACE RO AUXILIARYDAM "CORE TRENCH":

SUMMARY

OF ALL SURVEY DATA UPSTR EAM DOWNSTREAM UPSTREAM DOWNSTREAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 27+ 15 10 195.33 10 195.45 27+50 25 200.'I4 15 19625 15 198.75 50 200.82 20 197.55 20'5 200.45 75 .205.97 25 198.35 201.45 100 206.72 30 199.17 125 208.17 40 200.09- 150 208.61 50 201.70- 164 207;29 60 201.94 192 215.26 70 202.29 27+55 10. 198.95 199A9 10 199.75 27+25 10 196.55 196.40 10 198.95 15 198.85 15 20025 15 197.85 15 199.55 20 199.85 20 200.75 20 198 15 20 202.05 25 199.85 25 201.85 25 198.90'99.00 25 202.55 30 199.49 30 40 199.60 40 200.95 50. 200.69 70'95.45 50 60 201.53 201.26 60 205.37 70 205.11 70 200.88 75 201.12 27+65 10 198.75 199.74 10 200.15 100 20722 15 199.4$ 15 200.55 125 209.11 20 200.85 20 200.75 150, 208.83'07.56 25 201;95 25 201.65 164 194 216.21 27+75 10 201.74 10 202.14 201;94'02.54 15'0 15 202.64'03.14 27+35 10 197.95. 197.59 10 201'.55 202.94. 20 15 197.25 15 202.35 25 25 203 A4 20 199.05- 20'5- 203.15 202.82'02.81'0299 25 200.5S 203.45. 30'0'0 30 20 I.06. 201:.59 40 204.61 201.98'01.83, 50 70. 204.85, 60 200.93 75 204.89-100 205;56 27445 10 199;70 199.99 10 200.95. 125 205.75 15 199.65: 15 201.85 150 206;14 20 199.95 20 20235 165 206.'14 25 199.95 25 202.65 213.64 30, 200;76; 40 200.56 27+85 10'5 205.04 204.99 10 20534 50 200.37 15 203.84 205.04'04.64 60 202.68 20 20 205.04 203.45 25 204A4 25 205.24

ELEVATIONS OF SURFACE ROCK AT AUXILIARYDAM "CORE TRENCH":

SUMMARY

OF ALL SURVEY DATA UPSTREAM DOWNSTREAM UPSTREAM DOWNSTREAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 27+95 10 204.34 204.54 10 20434 28+25 10 204.14 204.79 10 204.64 15 204.04 15 204.94 15 204A4 15 204.24 20 203.64 20 205.34 20 204A4 20 204.14 25 203.74 25 205.84 25 204.44 25 205.54 30 206.13 50 204.64 30 206.36 40 208.30 75 203.84 . 40 207.65 50 208.50 100 203.02 50 209.15 60 209.71 125 204.77 60 209.29 70 209.84 150 203.57 164 204.19 28KS 25 204.27 185 212.94 50 204.96 75 204.49 28+35 10 203.24 204.20 10 203.34 100 204.92 15 203.24 15 '02.74'"

125 '205.04 20 203.84 20 203.14 150 204.68 25 204.04 25 204.44 164 204.82 30 204.71 I 187 21431 40 207.40 50 207.48 28+05 10 203.64 60 208.72 I 15 204.04 15 203A4 28+45 10 202.74 202.44 10 202.64 20 204.14 20 205.84 15 202.24 15 203.54 25 25 206.74 20 204.04 20 203.94 30 207.48 25 204.24 25 204.74 40 207.27 30 205.45 50 208.43 40 206.81 60 211.21 50 207.40 70 210.34 60 207.56 28+15 10 204.34 204.57 10 204.64 28+50 25 15 204.54 15 204.54 50 20 204.64 20 204.64 75 202.12 25 204.84 25 206.94 100 202.12 30 216.54 125 203.87 40 207.96 150 202.57 50 209.47 167 203.19-60 209.64 185 212.94

ELEVATIONS OF SURFACE RO AUXILI'ARYDAM "CORE'TRENCH":

SUMMARY

OF ALLSURVEY DATA UPSTREAM DOWNSTREAM UPSTREAM DOWNSTREAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 28+55 10 202.34 203.34 10 203.24. 10 208;73 208.58 10 210.03.

15 201.64 15 203.14 15 208.93 15 210.93 20 203.04 20 203.94 20 210.83 20 213.03 25 204.25 25 204.74 25 213.80 25 215.93 30 205.08 50 208.08 40 205.94 75 205.55 50 206.86 100 207.07 60 207.62 125 206.74 150 205.02 28+65 10 203.94 204.77 10 204.94 168 206.14 15 203.94. 15 205.24 187 21421 20 20424 20 205.64 25 203.24 25 206.24'- 29+10 10 210.93 211.06 10 211.43 15 211.83 15 211.63 28+75 10 205.19 10 206.24 20 213.43 20 214.13 15 205.14 15 206.64 25 21 5.13 25 215.93 20 205.04* 20 207.14 25 204.14 25 209.04 29+20 211;63 211.87 50 204;17 10 15 21 2.33 25'12.23 10 15 213.23 25'05.54 75 100 203.81 203.86 20'5 214.23 215.33 20 214.93 216.03 125. 203.'70.

150 203.02 29+25 25 215.02 167 '03.92 50 213;67'12;65-185 213.67 75 100 28+85 10 207.08 10 207.'84i 125 207.24'06;44; 209.60'08.51'06.89'07.'70 15- 15. 208.*74" 150 20 207.24; 209.94> 170'88-207.14; 25 212A4" 213.83.

28+95 10'5 208.14; 20834 10 10: 212;63 10 212:73 214;74'9+30 209.04'09.64-207.84: 15 15 212;43 15 213.83 20 20 212.04 20'5 213;93'14'.23'12.78 20 214.53 210.84'13.64.

25 25 25 215.53

ELEVATIONS OF SURFACE ROCK AT AUXILIARYDAM "CORE TRENCH":

SUMMARY

OF ALLSURVEY DATA UPSTREAM DOWNSTREAM UPSTREAM DOWNSTREAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION ~ STATION OFFSET ELEVATION EL'EVATION OFFSET ELEVATION 29+40 10 213.23 214.22 10 214.43 30+00 10 216.25 216.99 10 21 7.55

'15 213.03 15 214.33 15 216.45 15 217.15 20 213.13 20 214.83 20 216.35 20 217.65 25 213.63 25 215.33 25 216.15 25 217.35 75 213.82 33 217.15 10 214.25 216.64 10 216.95. 100 211.46 50 213.00 15 21 5.15 15 217.45 125 210.81 20 214.75 20 217.45 150 210.63 25 215.84 25 217.05 175 211.85 50 213.26 180 212.23 75 210.97 198 216.99 100 209.82 125 209A4 30+10 10 214.65 215.23 10 215.95 150 208.84 15 214.35 15 215.75 174 207.96 20 214.55 20 216.55 190 214.12 25 214.34 25 216.35 29+60 10 218.25 218.04 10 219.45 30+20 10 213.05 21333 10 214.25 15 219.85 15 219.55 15 212.95 15 215.05 20 221.65 20 222.05 20 212.95 20 215.25 25 221.15 25 220.85 25 213.15 25 215.55 29+70 10 219.15 218.64 10 219.15 30+30 10 211.83 211.98 10 212.83 15 22035 15 219.55 15 211.93 15 213.23 20 220.35 20 221.45 20 211.73 20 213.33 25 220.55 25 222.05 25 211.63 25 213.73 29+75 50 217.10 30+35 10 211.26 211.14 10 212.16 75 213.52 15 211.06 15 212.36 100 210.95 20 210.76 20 212.26 125 209.82 25 210.86 25 212.56 150 209.15 176 209.50 30+45 10 210.16 212.60 10 213.66 194 214.75 15 209.76 15 213.76 20 209.56 20 213.66 10 218.15 218.49 10 219A5 25 209.36 25 214.21 15 219.25 15 219.15 20 219.05 20 220.15 30+55 10 208.76 211.54 10 212.36 25 219.35 25 220.55 15 208.86 15 211.86 20 208.26 20 212.56 29+90 10 217.55 218.33 10 218.45 25 203.26 25 212.86 15 217.95 15 218.85 20 217.95 20 218.85 25 217.95 25 218.65

ELEVATIONS OF SURFACE R AUXILIARYDAM "CORE:.TRENCH":

SUMMARY

LL SURVEY'DATA STATION UPSTREAM OFFSET ELEVATION ELEVATION OOWNSTR EAM OFFSET'LEVATION STATION UPSTR OFFSET EAM'OWNSTREAM ELEVATION ELEVATION OFFSET ELEVATION 30+65 10 209.96 210.31 10 210.86 31+55 10 210.42 211.02 10 210.02 15 209.96. 15 211.31 15 209.52 15 210.92 20 209.26 20'5 213.16 20 209.72'14.52 20 212;42 25 20926 213.21 25 25 218.62 30+75 10 210.26 209.14 10 210.66 31+65 10 =-

208.67 209.17 10 209.12 15 212.56 15 21S.56 15 208.97 15 213.17 20 209.66 20 216.76 20 209.37 20 218.22 25 209.66 25 216.56 25 212.97 25 219A2 30+85 10 212.86 212.46 10 213A6 31+75 10 208.12 209.22 10 210.62 15 213.26 15 216.71 15 207.77 15 212.42

20. 213.71 20 218.36. 20 209.22 20 216.92 25 213.46 25 219.11 25'0 214.92 25 218.52 30+95 10 212.66: 212.30 10 214.56 31+85 211.17 210.92 10 212.12 15 21226 15 216.16. 15 210.92 15 214.62

20. 212.36 20 218.16 20 212.02 20 217.12 25 211.76 25 25 216.32 25 220.77 218.76'15.76 31&5 10 212.96 213.27 10 31+95 10 210.12 210.56 10 212.22 15 213.31 15 216.86. 15 209.92 15 214.72

20. 212.66 20 217.86. 20 213.97 20 215.42 25 211'.56 25 218.26 25 216.97 25 219.92 31+1 S 10 212.86 213.80 10 214.26 32+05 10 209.82 211.55 10 213.32 15 212.66 15 215.76 15 210.12 15 213.52 20 212.26 20 217.16 20 214.92 20 216.87 25 211;96= 25 25 25 218.92 217.66'14.12 31+25 10 211.62, 212.97 10 32+15 10 217.77'11;87'11;42.

211.52 10 213.22 15 211.42 15 216.42- 15 15 214.82 20 211.52- 20. 217.27 20: 215.12 20 216.12 25 211.52 25 217.42 25 218.52 25 218.82 32+25 10 213.22'13.97 214.42 10 215.02'15.42 31+35 10 211.82 212.30 10. 212.27 15 15 15 211.72 15 214.52 20 216.42 20 215.92 20 210.82'11.02 20 217.72 25 219.02 25 219.22 25 25 220.72 32+35 10 214;62 21422 10 214.42 31+45 10 210.92 210.76 10 211.42 15 215.12 15 214.02 15 211.02 15 212.82 20 217.72 20 218.52 20 21122 20 218.82 25 219.82 25 220.67 25 211.47 25 219.92

ELEVATIONS OF SURFACE ROCK AT AUXILIARYDAM "CORE TRENCH":

SUMMARY

OF ALL SURVEY DATA UPSTREAM DOWNSTREAM UPSTREAM DOWNSTREAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 32+45 10 214.02 213.70 10 217.52 33+25 10 219.03 219.13 10 219.33 15 215.32 15 218.47 15 221.23 15 219.23 20 218.92 20 219.72 20 225.43 20 219.73 25 220.82 25 222.02 25 228.43 25 221.83 32+55 10 217.52 219.71 10 221.32 33+45 10 217.63 217. 83 10 218.33 15 218.92 15 221.62 15 221.63 15 218.13 20 219.82 20 223.32 20 225.53 20 219.93 25 221.52 25 224.82 25 228.13 25 221.43 32+65 10 222.72 224.01 10 224.72 33+55 10 218.09 216.34 10 216.99 15 222.22 15 224.87 15 222.99 15 217.19 20 224.22 20 225.52 20 226.69 20 218.89 25 224.62 25 226.32 25 228.99 25 222.59 32+75 10 224.83 224.73 10 225.53 33&5 10 220.99 215.14 10 216.69 15 224.83 15 225.23 15 225.59 15 217.19 20 225.03 20 225.23 20 228.19 20 218.99 25 225.03 25 225.53 25 229.29 25 224.09 32+85 10 224.53 225.14 10 225.13 33+75 10 223.09 216.79 10 215.99 15 223.93 15 225.03 15 227.59 15. 218.29 20 224.53 20 225.13 20 229.79 20. 222.29 25 225.13 25 226.13 25 230.39 25 225.19 32+95 10 222.93 224.33 10 224.63 33+85 10 224.69 221.79 10 220.49 15; 223.53 15 224.53 15 228.99 15 221.69 20 223.63 20 224.83 20 230.99 20 224.39 25 224.63 25 225.73 25 231.49 25 226.79 33&5 10 222.93 10 222.93 33+95 10 226.29 222.19 10 221.39 15 222.83 15 223.23 15 229.89 15 222,89 20 223.53 20 223.33 20 232.59 20 225.29 25 225.43 25 225.03 25 233.69 25 228.19 33+15 10 218.83 220.13 10 220.83 34&5 10 227.39 222.09 10 221.29 15 219.23 15 221.83 15 230.79 15 223.39 20 223A3 20 222.43 20 234.79 20 225.69 25 226.53 25 223.63 25 234.49 25 229.29 33+25 10 218.53 219.28 10 219.13 34+15 10 231.99 224.14 10 223.29 15 223.13 15 219.23 15 23439 15 224.19 20 224.53 20 220.23 20 234.79 20 227.29 25 227.63 25 223.73 25 234.49 25 231.39

EL'EVATIONS.OF SURFACE R T.AUXILIARY.DAM"CORE'TRENCH":

SUMMARY

0 ALL SURVEY, DATA

.UPSTREAM ;DOWNSTREAM 'UPSTREAM 'DOWNSTREAM STATION "OFFSET ELEVATION ELEVATION OFFSET EL'EVATION STATION .OFFSET .ELEVATION ELEVATION OFFSET . 'ELEVATION 34+25 10 229.39 224.74 10 -224.89 35+15 10 232.63 231.63 10 230.73 15 234.39 15 .225.29 15 233;23 15 230.63 20 235.69 20 .228.49 ,20 '236.53 20 230.13 25 235.09 25 '.232.69 25- 238.63 25 231.03 34+35 10 232.39 228.74 10 227.09 35+25 10 231i43 238.98 10 231.23 15 235.39 15 227.79 15 232.53 15 231.03 20 236.19 20 229.29 20 236.13 20 230.23 25 235.79 25 233.29 25 239.13 25 231.83 34+45 10 232.69 227.94 10 229.29 35+35 10 229.93 230.18 10 230.33 15 235.59 15 228.29 15 ,231.23 15 230.33

-20 235.89 20 .229.19 20 236.30 .20 230.63 25 235.99 25 234.29 25 '239.83 25 232.63 34+55 .10 231.99 229.54 10 228.09 35+45 10 230.63 230.88 'IO 230.73 15 234.59 15 230.09 15 232.23 15 231.53 20 236.29 20 232,09 20 .235.23 20 23223 25 236.29 25 233.19 25 .239.73 25 232.93 34+65 10 230.09 229.69 10 .229.59 35+55 10 230.53 230.43 10 .230.63 15 234.49 15 .230.59 15 23143 15 230.63 20 235.59 20 230.79 20 .233.73 20 231.13 25 236;19 25 232.59 25 239.33 25 231.53 34+75 10 230.93 229.13 10 '229.03 35+65 10 .229.83 228.48 10 228.93 15 237.33 15 -229.83 15 ;231.13 15 229.13 20 237A3 .20 230.53 -20 .234.73 .20 .229.43 25 236.43 25 230.63 25 .238.83 25 229.83 34+85 10 232.03 228.73 10 ;228.53 35+75 10 =22923 227.48 10 .227.33 "15 -235.93 15 .228;-73 15 =230.22 15 '27.73 20 236.53 20 .229.23 236B3 20 .227.93 25 236.53 25 230.43 25 239.83 25 229.03 34&5 10 231.93 228.98 10 22IL03 35+85 10 .229.64 227.14 10 .226.24 15 233.43 15 228.63 15 .223.24 15 .226.14 20 235.53 20 230.23 .20 .23624 20 226.24 25 236.73 25 .233.23 25 240.74 25 228.34 35I05 10 .232.53 231.28 10 230.73 35+95 10 .232.24 226.84 10 '226.24 15 232.83 15 230.93 15 234.64 15 226.74 20 236.63 20 230.93 20 328A4 20 227.24 25 237.33 25 232.03 25 240.24 25 230.24

ELEVATIONS OF SURFACE ROCK AT AUXILIARYDAM "CORE TRENCH":

SUMMARY

OF ALL SURVEY DATA UPSTREAM DOWNSTREAM UPSTREAM DOWNSTREAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 36+05 10 232.94 231.09 10 229.74 36+95 10 238.14 238.59 10 238.54 15 235.94 15 228.94 20 238.34 20 230.24 '015 238.24 238.14 15 20 238.94 239.44

, 25 240.64 25 232.84 25 240.74 25 240.54 36+15 10 233.74 231.44 10 231.54 37+05 10 237.54 236.89 10 237.24 15 235.54 15 231.64 15 238.04 15 237.54 20 236 44 20 232.44 20 238.64 20 238.44 25 240.54 25 233.34 25 242.84 25 242.94 36+25 10 233.74 231.99 10 231.74 37+15 10 236.64 235.54 10 235.84 15 234.84 15 231.94 15 236.54 15 236.64 20 237.14 20 232.84 20 24024 20 238.94 25 239.54 25 234.14 25 243.74 25 244.54 36+35 10 232.74 231.67 10 231.24 37+25 10 236.24 235.20 10 235.64 15 235.04 15 231.14 15 "238.74 15 239.34 20 236.84 20 232.44 20 24124 20 242.24 25 240.34 25 233.94 25 244.54 25 245.24 36+45 10 233.34 232.86 10 232.14 37+35 10 241.14 239.44 10 239.14 15 234.34 15 232.64 15 241.94 15 242.04 20 237.74 20 233.74 20 242.94 17 242.84 25 241.24 25 234.94 25 245A4 36+55 10 23324 232.72 10 232A4 37+45 10 243.64 243.02 10 243.44 15 236.64 15 232.64 15 244.04 15 245.84 20 239.94 20 233.74 20 244.44 18 24794 25 242.64 25 235.64 25 246.44 36+65 10 235.24 233.12 10 233.64 37+55 10 243.84 244.78 10 245.64 15 237.94 15 233.34 15 245.04 15 247.24 20 240.44 20 233.74 20 245.14 25 243 A4 25 237.54 25 246.14 36+75 10 237 44 236.68 10 236.54 37+65 10 244.24 244.94 10 245.44 15 237.84 15 236.54 15 244.04 14 247.14 20 240.44 20 237.34 20 244.74 25 241.84 25 239.74 25 247.04 36+85 10 238.24 238.57 10 237.94 37+75 10 242.04 242.54 10 244.74 15 238.24 15 238.24 15 242.74 14 246.44 20 239.74 20 239.04 25 241.44 25 241.44 37+85 10 241.84 241.89 10 244.24 14 243.34 247.04

ELEVATIONS OF SURFACE R T AUXILIARYDAM "CORE TRENCH":

SUMMAR ALLSURVEY DATA UPSTREAM DOWNSTREAM UPSTREAM DOWNSTREAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 37+95 10 244A4 244.49 10 244.64 38+55 10 244.94 245.04 , 10 246.14 15 245.14 15 246.84 15 246.84 15 248.64 19 247.54 17 247.64 20 249.54 38405 10 244.94 245.14 10 245.74 38+65 10 245.64 245.84 10 246.54 15 246.04 15 247.34 15 245.74 12 247.04 17 246.84 16 247.64 20 249.74 38+15 10 245.64 10 246.54 38+75 10 245.54 246.04 10 247.84 15 246.64 15 248.14 15 246.94 13 250.04 16 248A4 19 250.04 38+25 10 246.04 246.44 10 247.14 38+85 10 246.64 246.78 10 247.84 15 247.24 15 248.24 15 247.54 15 252.44 19 249.24 16 248.94 20 251.14 38+35 10 246.54 245.60 10 247A4 38+95 10 247.54 249.64 10 251.24 I 15 247.04 15 248.64 15 248.54 15 25324 19 248.94 39&5 10 248.24 249.24 10 251.44 38+45 10 246.34 246.64 10 247.74 15 249.54 15 25434 15 246.74 15 248.64 20 249.64

9.3 AUXILIARYSEPARATING DIKE

-216-

ELEVATIONS OF SURFACE AT-AUXILIA'RY'SEPAR'ATING.DIKE:

SUMMARY

OF ALL'SURVEY D'ATA UPSTREAM DOWNSTREAM UPSTREAM Q OOWNSTREAlVI STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET 'ELEVATION 0+00 25 249.51 250.01 20 248.86 2WO 50 232.40 231.90 11 231.30 30 253.26 34 254.11 69 231.80 50 232.40 50 254.84 78 -234.20 70 231.30 100 -232.23 80 232.85 0+50 33 245.01 244.96 33 244.76 150 223.63 48 249.56 40 245.16 200 22233 50 249.58 49 246.91 -250 224'93 100 249.08 50 248.88 281 233.63 150 247.78 100 247.78 300 .236.13 200 244.08 350 239.53 250 238.18 300 232.58 8 225.15 224.25 10 224.95 350 '225.78 50 225.40 50 227.80 100 220.70 100 226.90 48 241.10 239.90 47 240;30 106 222.30 150 225.43 50 245.18 50 244.18 150 222.13 200 218.13 56 244.95 57 244.25 200 226.13 250 217.23 100 243.88 100 242;88 250 236.63 300 217.43 150 238.88 300 239.73 200 234.98 350 241.43 250 226.18 300 225.18 10 215.20 -213.85 11 214;90 350 224.78 50 215:03 19 229.39 100 .212.63 50 220.18 50 235.75 236.00 50 236.05 102 212.73 100 218.13 56 236.10 61 236.25 122 .213.33 150 218.31 65 239.30 69 238.80 150 222.43 200 .217.63 100 238.18 100 238.18 200 :236.43 250 217.83 .

150 233;88 222 -239.03 300 -216.93 162 228.58 250 239.33 200 225.98 300 .240.43 250 223.28 350 241.23 287 223.98 300 226;58 3+50 20 -228.39 210.74 22 228.39 306 228.28 50 210.74 50 215.03 335 232.08 100 210.39 100 209.83 337 234.68 110 218:88 126 210.98 350 234.98 106 220:23 136 230.43 150 233.13 150 217.53 163 236.33 200 216.93 200 239.13 250 216:93 250 239.33 300 217.33 300 240.03 350 240.73

ELEVATIONS OF SURFACE ROCK AT AUXILIARYSEPARATING DIKE:

SUMMARY

OF ALL SURVEY DATA UPSTREAM DOWNSTREAM UPSTREAM q DOWNSTREAM STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION 4+00 21 210.64 23 227.99 22 229.79 212.39 21 229.59 50 209.53 50 209.48 11 213.11 13 212.63 100 212.94 100 207.78 50 211.74 50 212.23 107 213.73 120 206.63 100 210.53 100 210.18 116 218.73 132 216.33 117 211.83 111 211.38 150 230.43 150 217.23 122 213.71 150 221.23 196 236.43 200 217.53 128 218.83 200 221.1'3 200 236.53 250 218.33 150 21833 250 220.23 250 238.73 200 218.63 300 220.63 300 239.03 250 220.53 350 239.13 300 221.83 350 22723 4+50 50 205.24 23 229.09 100 208.74 50 208.13 6+00 50 215.24 18 230.09 120 209.44 100 208.98 100 213 44 50 222.43 150 220.63 120 209.08 114 214.54 100 222.13 200 224.83 132 218.03 150 218.17 150 222.93, 250 233.13 150 218.83 200 219.27 200 222.23 300 '38.03 200 219.13 250 219.67 250 223.83 350 238.13 250 218.93 300 221.17 300 225.73 300 219.03 350 222.57 4+75 13 208.09 206.97 12 206.55 17 230.84 17 230.84 50 225.27 226.47 50 225.47

&00 23 229.59 207.97 22 229.19 100 224.47 100 224.77 13 208.09 12 206.55 150 221.47 150 225.47 50 210.38 50 209.03 200 218.67 200 22727 100 207.43 100 210.18 250 219.57 250 231.97 120 208.63 114 211.73 300 220.07 300 233.87 124 208.54 119 220.88 129 218.43 150 219.73 16 232.24 227.00 15 232.04 150 219.03 . 200 220.13 37 226.75 27 227.60 200 219.43 250 219.23 40 227.40 30 225.40 250 222.43 300 220.93 50 337.95 50 224.80 300 230.23 85 227.75 84 225.10 100 229.47 150 228.07 200 223.97 250 218.67 300 220.57 350 220.97

ELEVATIONS OF SURFACE R AT AUXILIARYSEPARATING DIKE:

SUMMARY

0 ALL SURVEY DATA UPSTREAM DOWNSTREAM UPSTREAM Q DOWNSTREAM ELEVATION ELEVATION- OFFSET ELEVATION STATION OFFSET ELEVATION ELEVATION OFFSET ELEVATION STATION OFFSET 14 233.28 18 241.30 241.10 38 241.98 12 233.76 230.98 .

'32 27 231.65 20 242.33 50 249.14 230.75 35 230.30 27 243.68 100 249.44 33 232.30 50 232.25 50 230.15 45 244.08 72 233.00 69 230.20 50 247.04 100 233.87 100 233.87 100 242.04 150 231.47 150 229.87 150 234.84 200 226.47 200 235.87 200 235.44 250 224.87 250 238.84 300 220.97 300 240.14 350 219.27 350 239.74 15 236.14 50 247.84 249.54 250.54 9 235.44 235.60 27 234.80 100 244.24 251.54 26 234.90 28 236.00 36 235.80 150 238.04 50 23695 50 235.95 200 239.34 59 237.40 59 236.85 250 242.24 100 237.84 100 238.84 300 243.24 150 234.34 350 244.14 200 226.94 251.98 250 230.74 10+00 50 24928 250.68 300 229.24 100 244.08 350 227.14 150 241.28 200 243.1 8 5 23894 238.95 14 240.05 250 246.08 22 238.60 46 240.50 300 246.78 25 239.65 50 245.74 350 248.78 50 240.70 100 244.14 50 247.88 250.88 253.48 51 240.70 100 241.14 100 245.68 150 235.64 150 245.58 200 23124 200 24738 250 235.84 250 250.58 237.74 300 251.78 300 350 235.24 350 253.18 11&0 50 24998 249.78 254.28 100 25038 150 25198 11+50 50 254.11 252.41 256.11 11+79.50 50 256.61 254.41 257.61

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