Text

Updated Final Safety Analysis Report, Revision 12, Appendix 2F, Geotechnical Report - Reactor Borings, July 1974
	ML091330405
Person / Time
Site:	Seabrook
Issue date:	11/03/2008
From:	; Florida Power & Light Energy Seabrook
To:	; Office of Nuclear Reactor Regulation
References
	SBK-L-08172
	Download: ML091330405 (82)
	v • d • e

SEABROOK UPDATED FSAR APPENDIX 2F GEOTECHNICAL REPORT - REACTOR BORINGS. JULY 1974 The information contained in this appendix was not revised, but has been extracted from the original FSAR and is provided for historical information.

GEOTECH8ICAL, REPORT REACTOR BORINGS SEABROOK STATION, NEW HAhIPSIlIRE Submitted to YAKKEE ATOMIC ELECTRIC CO.

GEOTL'CHNICAL ENGINEERS mc.

1017 hlain Street Winchester, Massachusetts 01890 July 31, 1974

TABLE OF CONTENTS Page No.

T A B L E O F C O N T E N T S i

LIST OF FIGURES LIST OF APPENDICES 1 1 1 TEXT 1. 0 INTRODUCTION 1

1.1 Purpose 1

1. 2 scope 1

2. 0 B O R I N G D A T A 2

2. 1 Boring Logs 2

2. 2 Overburden 2

2.3 Rock Type 2

2. 4 Orientation Data 3

TABLE l-ZONES ORIENTED IN REACTOR BORINGS FIGURES A

LIST OF FIGURES 1.

Plan of Reactor Sites showing generalized dip and strike of joints 2.

Plan of R.cactor Sites showing generalized dip and strike of foliations 3.

Plan of Reactor Sites showing generalized dip and strike of slickensided surfaces 4.

Contoured Eyual Area Upper Hemisphere Polar Projection to joints in Reactor 1; Borings E2-11, 12, 13, and 14 5.

Contoured Equal Area Upper Hemisphere Polar Projection to joints in Reactor 2; Borings E2-15, 16, 17, and 18 C

6.

Contouretl Equal Area Upper Hemisphere Polar Projection to slickensidecl surfaces in Reactor 2; Borings E2-15, 16, 17, and 18 ii

1. 0 INTl<ODUCTION 1.1 Purpose An excavation approximately 150 feet in diameter and 70 feet deep will be required for each of the two proposed reactors at Seabrook Station.

To design the side slopes of the excavation and to estimate the quantity of excavation, it is necessary to determine the frequency and orientation of fractures in the rock.

For this purpose inclined borings were made around the perimeter of each of the two proposed excavations.

The core was oriented and the orientation of joints, slickensided surfaces, and foliation was determined.

1.2 Scope Four inclined borings were made around the perimeter of each proposed reactor excavation.

The borings ranged in length from 165 to 169 feet, and in inclination from 39 to 41.5, measured from vertical.

(The bottom of a 165-foot-long boring inclined at 40 is at a vertical dif-ference in elevation of 126 feet below the ground surface.)

-:.b 2.4 Orientation Data Core was oriented from near the rock surface to the bottom of the hole, with three exceptions:

Boring E2-11 in which orientation starts at 63 ft (inclined length) below the rock surface; Boring E2-17 in which orientation terminates at 65 ft (inclined length) in a borehole that was 165 ft long; and Boring E2-15 in which orientation terminates at 42 ft (inclined length) in a borehole that was 165 ft long.

Appendix II is a summary of all the orientation data, and Appendix III contains polar equal area stereo net projections for the features orientec in each borehole.

Fig. 1 is a plot of generalized dip and strike data for joints in each of the borings.

Fig. 2 is a plot of generalized dip and strike data for foliation.

As shown on the individual boring logs in Appendix I, the rock at the two re-actor sites does not exhibit much foliation.

Fig. 3 is a plot of generalized dip and strike data for slickensided surfaces.

Fig. 4 is a contoured plot of the projections of poles for 230 joints measured in the core from borings at Reactor 1; Fig. 5 is a contoured plot of the projections of poles for 93 joints in Reactor 2; and Fig. 6 is a con-toured plot of the projections of poles for 114 slickensided surfaces in Reactor 2.

Fig. 4 shows that there are two dominant sets of fracture surfaces at Reactor No. 1 with strikes and dips roughly as follows (listed in order of decreasing frequency of occurrence):

N30E, 40NW N40E, 60SE Figs. 5 and 6 show that there are three dominant sets of fracture surfaces at Reactor No. 2, with strikes and dips roughly as follows (listed in order of decreasing frequency of occurrence):

N30E, 30 NW N45E, 55SE N15W, 60 SW Revised August 5, 1974

TABLES

Reactor Iio.

1 TABLE 1 ZONES ORIENTED IN REACTOR BORINGS Boring No.

Length of Boring*

(feet)

E2-11 168.0 E2-12 165.7 E2-13 169.0 E2-14 166.0 E2-15 165.0 E2-16 165.1 E2-17 165.0 E2-18 lG8.0 Inclination of Boring Measured From Vertical 40° 41° 41° 41.5O 41.5*

41° 41*

39O Vertical Length Depth to Oriented*

Top of Rock (feet)

(feet)63-168 13.5 13.8-165.7 0.7 22-169 0.0 11-166 2.2 13.5-42 8.6 18-165 7.1 22-65 14.3 15.5-168 10.8

Measured along inclined axis of borehole.

FIGURES

d IO P O I N T S P E R n C L U S T E R O F FEATURYS 110 POINTS PER CLUSTER

- O F F E A T U R E S c---

PROPOSED DIRECTION OF ANGLE BORINGS

(----- A C T U A L D I R E C T I O N O F A N G L E B O R I N G S S C A L E LENGTH OF ARROWS /ND/CA TES PRO-JECTION OF HOLE TO HORIZONTAL 0

OVERCORE B O R I N G YAN # EE ATOMIC 1 SEABROOK STATION 1 PLAN OF REACToR lTES SHOWING GENERALIZED DIP 8 STRIKE

-+-

A N G L E B O R I N G O F J O I N T S GEOTECHNICAL ENGINEERS, INC.

IWINCHESTER,.MASSACHUSETTS~

PROJECT 7 2 0 6 I JULY 1974 FIG. I

R E A C T O R 2 i/+e-y

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-), O$2F[f;;;SE;ER C L U S T E R o+

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N Y A N K E E A T O M I C SEkBROOK STATION PLAN OF REACTOR SITES SHOWING GENERALIZED DIP 8 STRIKE A N G L E B O R I N G OF FOLIATIONS GEOTECHNICAL ENGINEERS, INC.

WINCHESTER, MASSACHUSETTS P R O J E C T 7 2 8 6 J U L Y 1 9 7 4 FIG. 2

R E A C T O R 2 d PROPOSED DIRECTION OF ANGLE BORINGS w- - - - - A C T U A L D I R E C T I O N O F A N G L E B O R I N G S S C A L E F F F T O-O

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0 OVERCORE B O R I N G I

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1 YANKEE ATOMIC 7

I GEOTECHNICAL ENGINEERS, INC WINCHESTER.

MASSACHUSETTS SEABROOK STATION PLAN OF REACTOR SITES SHOWING GENERALIZED DIP R STRIKE OF SLICKENSIDED SURFACES P R O J E C T 7 2 6 6 I J U L Y 1 9 7 4

?IG. 3

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& 0 percent per 1 percent area Seabrook No. 7286 cl 0%

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Contoured &.ml Area Upoer Hemisphere Polar Projection of Poles to 93 Joints In Reactor 2; Borings E2-15, 16, 17,18.

Fig. 5

W-Contours 0, 1, 4, & 7 percent per 1 perccnl arca s

Scabrook No. 7286 cl 0%

C&toured Eq:~al Arca Upper fIemi$phcre Polar Projection of P.Jns to 114 Slickcnsided Surfaces in R&ctor 2; Ibrings E2-15, lIj, 17, & 18.

Fig. 0

APPENDIX I

APPENDIX I Boring Logs Note: All holes are angle holes. Depths are measured along core axis.

Inclinations of holes are measured from vertical.

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llnrll"tllrhrrl "Amplr!ll C;
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6
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R, 25
, rlll El t
r-
APPENDIX I I
Project Seabrook Project NO. 7286 Feature Depth 66.1 70.2 74.0 75.9 76.0 76.1 77.0 78.5 81.1 a2.9 83.0 84.0 85.1 87.0 87.4 88.5 99.3 99.9 100.6 103.1 105.5 108. i 108.9 110.9 110.9 1 1 1. 0 111.1 111.2 112.0 113.1 113.4 113.5 114.0 121.5 123.5 124.8 129.3 129.8 129.9 131.1 133.1 133.1 133.2 133.5 134.5 135.2 Strike Dip N21E 43MW N15E 64NW N13E 53NW N67W 45NE N12W 5osw 1480 w 70i\\lE N30W 69SW N85E 6711W N15W 62NW ij39E 15NW N45E 84N111 N17W 49sw N50E 7SE N14iJ 4osw N65E 80NW N65\\J 55NE N45E 72SE N30E 75111J N55E 76NW N50W 25SW N52E 68NW N35E 451114 N85E 36NW N38E 48&d NlOE 85SE N50E 81NIi N50E 81NW lJ50E 31NA N27W 72NE N65E 9OFJlJ N50E 53NW N 15w 55tJE iA651J 55SW N75E 9OIJW N75E 39w N75E 82NW N34E 19NW N29E 4ONW l'l82E 37iU N33E 3GNW N15E 50ldW N15E 5orlw N30W 75NE N25E 37NI-J N40E 411w N43E 8015U Boring No. F?-11 Ground Elevation (MSL) =
+ 25.0 Type of Feature Joint Foliation Slickensided Contact Surface Remarks X
X X
X X
X X
X X
X X
X X
X X
X X
Diabase over Diorite X
X Diorite over Diabase X
Diabase over Diorite X
X X
X X
X X
X X
X X
X X
X X
X X
X X
Feature Depth 137.5 142.8 143.3 143.6 143.8 144.2 144.8 144.9 145.4 146.0 147.4 148.5 149.6 152.0 154.4 155.3 158.2 159.0 161.0 162.0 163.1 163.9 164.8 Strike Dip Joint N74W 61NE N44E 40NW N25E 40NW N47E 46NW N30E 45w N25E 36111/l N30E 45w NZOE 45NW N70W 80NE N31E 22NW N27E 32NW N70E 9ONW N70W 71NE N26E 28NW N85E 701JW N63W 25PlE N35E 41NW N18W 70FJE N851tJ 1611E N30E 7511w N25E 45NW N701J 15NE N50W 43NE X
X X
X X
X X
X X
X X
X X
X X
X Project Seabrook Project NO.
7786 Boring No. ~2-11 Ground Elevation (MSL) =
+ 25.0 Type of Feature Foliation Slickensided Contact Remarks Surface X
X X
X X
X
Feature Depth 19.2 19.8 20.2 21.2 21.9 23.0 24.0 24.4 25.1 25.8 27.1 29.0 35.1 40.0 44.3 48.9 50.4 53.3 57.3 59.4 60.0 61.5 75.0 77.0 77.5 77.6 82.0 82.4 83.0 85.7 89.0 89.1 103.9 108.0 111.9 114.3 119.5 119.6 119.7 132.1 133.0 136.0 143.1 143.9 144.9 153.7 156.8 Strike Dip N18E 43NW N17E 4GNlJ Horizontal rlorth 21w N35E 25SE N23W 399~
N17E 47NLf N50E 61SE Horizontal N38W 73NE N73W 15NE N41W 67NE N23E 47NW N73W 82%
N63W 37SW N12E 67NW N63E 45NW N40E 46NU N38E 52NW N34E 43NW N81d 79NE N51E 37NW r1261d 86NE N75W 55Sl.l N9E 48NW N9E 48NId N19W 81 SW N41E 4oriw N81E 55SE N26E 65NW N35E 45NW N35E 451JW N28W 43sw N26E 37rdJ N65W 67Shl N36E 45NW N35E 44NI.I N35E 44NW N60E 22NbI N15E 12NW N40E 43NW N45E 12NE N35E 42NW N55E 50SE N75E 73SE N25E 37NbJ N25E 26NW Boring No.
E2-12 Ground Elevat;ion (IrlSL) = t 71-5 Project Seabrook Project No. 7286 Type of Feature Joint' Foliation Slickensided Contact Remarks Surface x
X X
X X
X X
X X
X X
X X
X X
X X
X X
X X
ii X
X X
X X
X X
X X
X X
x X
X X
X X
X X
X X
X X
X Diabase dikelet X
Diabase Dikelet
Project Seabrook Project NO. 77~~;
Feature Depth 23.6 25.3 28.7 34.0 34.5 35.1 35.7 38.3 39.2 44.2 49.5 50.8 50.9 51.8 52.5 55.9 62.8 63.0 64.3 67.0 70.5 70.8 76.8 77.0 77.3 78.7 81.2 82.0 83.8 89.5 90.3 98.8 99.3 100.6 101.7 102.8 105.0 108.4 110.4 112.5 115.3 117.3 117.8 118.2 118.3 120.1 Strike Dip N83E 28NW N40E 58SE N15E 75SE Horizontal N25E 12SE N30E 83SE N35E 22sw N32E 67SE N5W 31NE N65E 27NW N25E 67SE N34E 30SE N29E 51SE N55E 85SE N55E 1lSE N28E 25NW N28E 64SE N32E 60SE N35E 66SE N79W 39sw N35bl 63NE N40W 54NE N55E 7NW N50E 4NW N52E 22NW N53E 84SE N46E 86NN N67E 75SE N80E 30SE N83E 52SE East 58s N45E 21NW Boring No. E?-13 Ground Elevation (MSL) q
+ 30.5 Type of Feature Joint Foliation Slickensided Contact Remarks Surface X
X X
X X
X X
X X
X X
X X
X X
X X
X X
X X
X x
X X
X X
X X
X X
II 5 1 E GSSE.
X N46E 58SE X
N23E 39sw x
N45E 87NW X
N15W 57NE.
X N21E 88SE x
1135E 88SE X
North 36N X
N19E 86SE N 6 7 W 83%'
X Horizontal X
N4OE N40E N45\\1 N40E N30E N45W X
X Diabase over Diorite X
Diorite over Diabase X
Diabase over Dioritf
Feature Depth 121.8 123.0 123.7 125.0 125.4 128.0 129.3 131.3 131.6 131.7 132.8 134.1 135.0 13G.3 136.8 138.0 139.3 140.5 142.4 142.5 145.0 145.2 149.7 150.0 150.5 151.3 151.7 153.0 154.7 154.9 157.4 158.0 159.9 162.3 163.7 165.5 N30E 38SE X
N70E 23NW X
N801i 37NE X
N501d 30NE X
X X
X N44E 57SE N 1614 44NE ld68W 54NE N56E 83NW N15W 19%
N45E 76SE Ij60E 44SE N45E 35SE N42E 37SE East 8NE N38E 73SE N50E 18Nl~
N35E 43SE N31E 42SE N28E 30SE N40E 46W N22E 45SE 1422E 45SE N46E 63SE N34E 34SE N21E 73SE N56E 79NW N26E 48SE N30E 81SE N26E 78SE N38E 46SE 1189E 86SE N75W 72SIJ N49E 66SE N55E 63SE N60E 70SE NG7E 76SE X
x x
X X
X X
X X
X X
X X
X X
X X
X X
X X
X X
X X
X X
X Strike Dip Joint Fo s
liation Slickensided Contact Remarks Surface X
Diorite over Diabase X
Diabase over Diorite Project Seabrook Project No.
7286 Boring No. ~3-13 Ground Elevation (MSL) =
+ 30.5 Type of Feature
Project Seabrook Project NO. 7286 Feature Depth Strike 11.8 PJ65E 12.0 N651d 13.6 N83W 13.8 N7OW 13.9 N7014 14.5 1444E 15.8 N37E 16.5 N73V 28.9 N28E 29.0 N85E 42.2 N22E 43.2 N87E 44.0 fJ6O!J 46.0 N43E 50.8 N3\\\\1 51.8 N57W 53.2 N 5 7 1.1 58.9 R30E 62.5 Pl65W 63.8 ti 7 lid 65.3 N50E 65.4 N75E 66.7 N421.I 67.0 N30C 70.0 N45E 70.8 N3011 72.9 N5E 73.5 fJ4 3w 74.6 N60E 78.2 East 80.0 N15W 80.2 JI70E no.4 1149E iM.2 N 4 6 W i!!i. 0 1J341J 87.5 II 6 E :
87.8 N481tJ 88.2 113U 89.3 NllE 89.6 IJ65E 94.3 NlOE 94.6 1459E 99.3 N78E Dip 43N1J 77SN 83tJE' 42NE 42NE 69SC G7SE 72NE 67SE 26NIJ 53SE 3 7 N w G9NE 4ONld 67NE 71lJE 4 1 1'1 E 3514111 14iJE 52NE 42St 38SE 5ONC 3r)Nll 85N'vl 211jE 49SE 63NE 55SE 77s 42SW 121115 33N!J 87IJC 2% SW G4SI:
14NE 39rlE 77SE 86SE 68SE 59SE 40SE Boring No.
E2-14 Ground Elevation (MSL) =
+ 29.9 Type of Feature Joint Foliation Slickensided Contact Surface X
X X
X X
X x
X X
X X
X X
X X
X X
X X
X X
X X
X X
X X
X X
X X
X X
X X
X X
X X
X Remarks X
Diorite over Diabasf
Project Seabrook Project No.7286 Feature Depth Strike Dip 101.3 N75E 103.8
[d73E 104.0 N77E 105.0 fJ26E 107.5 N50E 108.0 N46E 108.3 N21E 109.8 NZOkJ 110.1 N45E 110.4 N45E 112.3 id 2 2w 112.4 EJ65E 129.3 NrlOE 129.5 iJ60E 131.5 N55E 131.9 r~i341.1 132.2 rl5ol*J 133.5 i163E 141.9 N 7 1 w 142.5 N 7 31.1 146.8 IlG?I~I 148.9 N49E 149.2 N 7 5 W 150.0 N34E 153.2 N6 1~I 154.6 N70i.I 155.9 N65E 158.0 N55E 164.8 N25W 18NW 46NL.f 4 BIlLI 38FlW 62SE 63SE 62SE 61NE 81SE 81SE 5 SW 32NW 22N!d 33rw 69SE 75ilE 64I'jE 72L;E 25~
201lC GONE 62SE 53dE 70SE 54AE 39NE 43Nl.I 29IlE 2OSH Boring No.
E2-14 Ground Elevation (MSL) =
+ 29.9 Type of Feature Joint Foliation Slickensided Contact Remarks Surface X
X X
X X
X X
X X
X X
X X
X X
X X
X X
x X
X X
X X
X X
X
e Feature Strike Dip Depth 17.0 N 8 5 W 80EIE 17.6 IJ85E 89Nll 18.G N73U 70ME 18.7 N45E 36N:J 19.4 N 7 4 14 35NE 20.9 N69E 65fW 21.7 N58E 49w 16.5 N82E 88NW 24.9 Iiorizontsl 26.G 1J75E 82N51 27.G N69E 83iJ1J 28.1 1\\1771,,
7811E 30.0 N501,!
78NE 29.3 N63E 86SE 31.0 II88E C28iJ 31.5 IUGE 801~11~1 32.0 N39W 73liE 35.5 il8OC 3SE 37.';
N83E 391411 40.3 N50U 85!1[:
41.s A55 II 86NE 39.7 N60,l GOlIE Boring No. ~7-15 Project Seabrook Project No. 7286 Ground Elevation (MSL) = + 13.9 Type of Feature Joint Foliation Slickensided Contact Remarks Surface X
X X
X X
X X
X X
X x
X X
X X
X X
X X
X X
X
Feature Strike Depth 17.3 18.3 20.0 20.6 23.0 23.5 23.9 24.3 25.3 25.9 29.9 30.Q 32.0 33.9 34.3 35.0 41.2 41.7 43.7 44.5 4:l.G 45.1 45.6 46.1 47.5 41; 0 49: 0 50.0 50.4 52.4 52.!;
53.0 54.6 5G.3 57.7 58.2 58.3 58.13 75.4 77.4 78.4 79.7 81.5 81.6 82.3 82.7 X
X X
X X
X X
X X
X X
X X
X X
X X
x X
X X
X X
X X
X X
X X
X X
X X
X X
X X
X X
X X
X X
X X
X Uoring No.
E2-1G Ground Elevation (MSL) = + 16.2 Project Seabroc Project No. 7286 Type of Feature J o i n t Foliation Slickensided Contact Remarks Surface
Boring No.
EZ-16 Ground Elevation (MSL) =+ 16.8 Tvoe of Feature Project Seabrook Project No. 7286 Feature Depth 83.8 86.8 87.5 88.0 89.0 96.5 100.8 102.5 104.9 106.2 107.0 107.5 101.9 109.1 109.3 110.9 111.1 112.1 112.3 113.0 115.3 115.4 115.9 116.9 118.9 121.3 121.11 121.8 122.0 123.1 124.3 125.G 126.7 127.6 128.13 129.3 130.1 131.0 131.2 132.4 133.0 133.0 133.3 133.5 134.0 134.3 Strike Dip Joint X
X X
X X
X X
X X
X X
X X
X X
X X
X X
X 1136E 5Ol!W Id15E 15111 N 5 E 85NIi N23E 32iIVI 1115E 2011\\*1 Fj2OE 3OilLJ I426 E 32illJ N29E 7 2 NW N25E 35111111 N70E 17SE N7OW 74NE N30E 30NIJ N35E 22i\\ll?l 1.4 15w 81SW N30E 2 1tlW H28W 84SL*J N61E 56%
ld4131J 76 SW N 3 5:s) 7 7 SW 11 4 0 !*I 24ilE iq151J 14 N E 1164 I,J 51NE N23W 7G SW f15W 74sw N70E 301:IW ld40E 83SE N 1 O!.I 1lNE N35E 35iA'/l lJ45W 45NE Foliation Slickensided Surface X
X X
X X
X X
X X
Trend=SZOW Plunge=70 X
Trend=N71W Plunge=45 x
Trend=SGOE Pl urge=16 X
Trend=S55W Plunge=70 X
X X
X X
X X
X X
X X
X X
X Contact Remarks Trend=N35W Plunge=27 Trend=N71W Plunge=54 Trend=S34W Plunge=87 Trend=N66W Plunge=19 Trend=S16E Pl unge=18 Trend=N35W Plunge=22 Trend=N-6OW Plunge=33
.e Feature Depth 140.5 142.2 142.3 143.1 143.2 143.9 144.1 144.1 146.1 146.5 147.2 147.5 140.1 148.2 148.3 149.5 151.2 151.8 152.0 154.0 155.7 162.0 Strike Dip N21E IJ53E N41E N50E ii71E H81E N72E 1117E Fl59E I,1 3 7 E N40E rm1 N59E N68E NUZE N53E N27W Horizontal tl81w 56NE N35E 29NW 115914 531if NlOW 72 SW Boring No. ~7-16 Ground Elevation (MSL) = + 16.8 Project Seabroo' Project No. 7286 Type OF Feature Joint Foliation Slickcnsided Contact Remarks Surface X
X X
X X
X X
X X
X X
X X
X X
X x
X X
X Trend=N35E Pl unge=lO Trend=N40E Plunge=33 Trend=N35E Plunge=35 Trend= N5W Plunge=73 Trend=NZOE Plunge=17
Feature Depth Strike Dip 28.0 N37E 29.5 N55E 33.3 N87W 34.3 N4 7141 35.9 rir 71~
42.G 1~5O!~J 43.4 M9E 44.1 ri61E 45.0 fl241*l 45.1 rl49E 45.3 N73E 45.9 N51E 54.7 r15511 55.5 N78I.I 56.0 f168E 5G.2 r176\\.1 5G.3 N44E 56.4 1144E 60.5 rl 7 1 L@J 34Nld 59sc 87 SI.1 23riE 7711E 78iiC 2 3 F,l E 52rlE 1OrlE GORE 84tlE 2411E 8ONE 86HE 801jE 8GRE G4rlE 64riE 89frE Boring No.
E2-17 Project Seabrook Project No. 7286 Ground Elevation (ML) = t 13.3 Type of Feature Joint Foliation Slickensided Contact Remarks Surface X
X X
X X
X X
x X
X X
X X
X X
X X
X X
Feature Depth 22.8 N28W 5-O SI4 36.0 N53E 25SE 42.0 N5 E 73SE 42.G N42E 64SE 43.1 ti55E 25SE 44.0 1131&1 4 5 SIJ 46.G N30U 72NE 57.0 II4515 7 5 S!*l 47.5 N4Old 81SN 49.1 N87E 8GSE 50.2 N87E 73SE 50.3 N6OIJ 36 SN 51.3 1125E 81SE 53.0 N48W 44Sl.l 54.0 N81.1 34 SkI 54.1 N76W 56SiJ 54.2 i173!J 73Sl.l 54.3 N2lE 70SE 56.0 ti81&1 69SiJ 57.11 N 0 rt Ii East 61.7 115OL*J 87NE 64.G N63bJ 74NE 66.6 N64E 80 S!d 67.3 N5W 52SU 67.9 N55E 29SE (58.0 N45E 85N\\cJ 68.3 N45E 85N\\il 68.5 N23E 45w 72.2 N5511 6111C 73.6 1145E 62SE 74.8 N 1 4 :.I 68NE 75.0 (i42E 71SE 76.0 N201J 66NE 123.8 N 3 7 1.1 44514 125.0 114t 76SC 126.0 N21ld G31IE 176.1 IlGt 64SE 126.1 Ii I 7 14 G4NlY 1211. 0 N 14 1J 67111:
129.6 N701.
5 3 I 114 131.1 ll64L 1111~1 132.5 I1 1511 6811E 135.G N 7 7 14 50NE 137.1 N54E 68SE 137.4 N42id 62:1E 143.9 N32;\\1 501iE Strike Dip Boring No. ET-18 Project Seabrool: i Project No. 7286 Ground Elevation (MSL) =+ 14.9 Type of Feature Joint Foliation Slickensided Contact Remarks Surface X
X X
X X
X X
X X
X X
X x
X X
X X
X X
X Trend=N79W Plunge=18 Trend=SEiZE Plunge=52 Trend=S25E Plunge=38
APPENDIX I I I
APPENDIX III Polar Equal Area Stereo Net Projections h
Boring J12-11 Ground J<lcvalion (JUSL) i-25.5 ft Joints in:
. Diorite 0 Diabase
I%orinx I*:2 -11 Ground Illcvation (nIsL) +zs. o ft Foliation in:
l Diorite
Polar llqual Area Stem0 Net Gcotechnica 1 Ihgincers, Inc.
Seabrook Slation June 1974 Boring 1:2-11 Ground Elevation (MSL) +25.0 ft Conlac ts and Depth :
@ Diorite over Diabase
@I Diabase over Diorite
Ground E:lcv31ion (IVSI,) i-25. 0 ft SIicltcnsickd bbrfaces in:
l Dioritc
@ Diabase
Doring FI2-12 Ground Elevation (MSL) +21.5 ft Joints in l
Diorite
Polar IQunI Arcn Stcrco Net Geotcchnica 1 T:nginccrs, IIIC.
Scabrook Station June 1974 Eorinfi E2-12 Ground J!Ilcvntiol~ (MSL) +21.5 Foliation and IIcpth in:
l Diorite
noring 1:2-13
~~n)Lllld I:kvalion (MS L) 30. 5 ft CJoints in:
. Dioritc 0 Diabase
Polar Equal Area Sfcrco Net Geotechnical lhgincers, hlc.
Ebbrook Station June 1974 Boring IX2 -:3 G~OUJNI Elevation (MSL) 1-30. 5 ft Fohtion and Depth in:
l Diorite
Polar IGqunI Arm Slcrco Net 13oring X2-13 Gco(cclinicn I I*:nginccrs, Inc.
GI-ountl I<lcvation (rim) -130.5 ft Scnhroolc St2 lion Contacts and Depth:
June 1974
@ Diorite over Diabase 0 Diabase over Diorite
h.
Polar Eqrlnl Arcn Stereo Net Gcotechnicnl l?nginccrs, Inc.
Scnbroolc Station June 1974 Doring E2-13 Ground ISlcvation (A&L) +30.5 ft SIickensided Surhccs in:
Polar I3lual AI-cn Stereo Net Gcotcchnicnl JCnginccrs, Inc.
Scnbrook Siation June 1974 Iloring E2 -14 GroLn~tI Elevation (MSL) t-29.9 ft Joints in:
l Ilioritc Q Peg-nmtite
Polar Rpnl Arc3 stcrco Net Gcolcclmicnl l~:ngincc!rs, Inc.
Scabroolc SLn lion June 1974 I3oriiig E2-14 Ground I*:lcvation (MSL) + 29.0 ft Folialion and Depth in:
Polnr I~qual Arcll stcrco Net Gcotcchnical Fhginccrs, Inc.
Seahroolc Shtion June 1974 I<orinfi E2-14 Ground Elevation (MSL) +29.9 ft Sliclccnsided Surfaces in:
l Diorile
Polar Equal Arcn Slcrco Net Gcotechnical ITnginccrs, Inc.
Scatbrook Station June 1974 Boring E2-15 Ground Elevation (ibELL) + 13.9 ft Joints in:
l Dioritc
W E
S l Diorite
w Polar TCqunl AIYYI Sicrco Net Gmtcchnicxl Fhginccrs, Inc.
Scabrool~ Shlion June 1974 Boring EZ-15 Ground F,Ievation (WL) t-13.9 ft Sliclrcnsided Surlaccs in:
. Diorite
S Polar Equal Area Stereo Net Gcotccl~nicnI Jk,qinccrs, Inc.
Scnbroolt Station June 1374 Boring IT2-1G Grouncl Elevation (MSL) +lC. 8 ft Joinls in:
l Diorite
Polar Fqunl Arcn Stereo Net Geoteclmical hginccrs, Inc.
Scabrook Station June 1974 Boring E2-16 Ground Elevation (ML) +lG.8 Et Foliaiton and Depth in:
. Diorite
Polar Fhcpl Arca Sl crco Net Ihring I2 - 16 GcotccIukztl I:nginccrs, Inc.
Ground E:levation (MSL) +lG. 8 ft Seabrook Station Sliclicnsided Surfaces in:
June 1374 l Diorite
W Polar Fxlu:11 A rc:~ Slcrco Net Gcotcchnicnl Thginccrs, Inc.
Scnbrool~ Shlion June 1974 Boring 1X2-17 Ground Elevalion (MS L) +13.3 Joints in:
l Diorite a Schist
Polar Equal Area Stereo Net l30ring K2-17 Gcotechnicd Ingincers, Inc.
Grountl Elcvntion (MSL) + 13.3 ft Seabroolc Station Foliation and Depth in:
June 1974 m Schist
Polar Equal Arca Stcrco Net Geotcclmical Engineers, Inc.
Scnbrool~ Station June 1974 13oring IX-17 Grouncl IClevation @EL) + 13.3 ft Sliclrcnsided Surfaces in:
Polar Equal ~Ircx Stcrco Net Gcotcchnicnl Engineers, Inc.
Seabroolc Station June 1974 Boring E2-18 Ground Elevation (3lsL) +14.9 ft Joints in:
l Diorite
Polar Equal Area Stcrco Net Geolechnicnl Engineers, Inc.
Scabr001~ Station June 1974 Ground Elevation (RISL) +14. 9 ft Zoliation and Depth in:
l Diorite
)
)
)
CIJ 0
~
0 0
~
~ c:....
"', [
(1)
r.l CIl r=:J
..... J N
tJ
0..-
I (1) 0
0. <:
I-'
0 P
00
~
CIJ r--
c:....
r--
Cl (1)
(,)
~
(,)
CIl
'J~
=:s
+
I-'....
~
n-
APPENDIX IV
APPENDIX IV Overburden Descriptions Note:
Jhe boring layout and soil descriptions are taken from the PSAR.
CONTENTS OF APPENDIX IV
1. Fig. 2.5-9 from PSAR 2.
Boring Logs from Appendix 2D of PSAR:
Dl-11 Dl-8 E2-1 E l - l
8
\\
21,000 N
,2 I
I
\\ I\\
\\
1 i
\\\\\\\\.
SOIL I~l%CI~IITIONS o-2 l-l-4-7 5-6.5 7-10-12 10-11.5 27-30-44 larc)j(!ct N~I. 7286 Dcecriptlon Top is dark brown pent with mnny roots up to 1 mm dfnmctcr.
IIottom Is brown s:u~tl. Fine grained; uniform; contains few black organic pieces < 1 mm In size; < 5% silt.
Light gray silty s,a.nd.
Fine grained; uniform; very fast reaction to shakfnng test; contains N 30-40s nonplastic fines; part of sample is silty gravelly sand containing gravel up to 28 mm in size; angular grains Gray silty sand.
Widely graded; angular to subroun-ded graina; contains N 25-30s nonplmtic fines; few gravel pieces up to 8 mm fn size.
w.= 7.5.g
11OItIN(; I:o.
111-N SOIL I)ESC I~III-IONS
( : I~fllll1~l I~:Il~\\~:lI IfHI:
15.9 IL lh~~llll III \\\\:II(-I 11-vt*l 1.9 fl lrojccl No. 7286 Numl,cr iWl]k Ih~llh O f No.
ft l~lows IIcocrlption per 6 1
o-1.5 l-l-12 Top is dark brown fine-sandy organic silt containing several roots < 1 mm di;unetcr. Bottom is brown and rusty-brown s,andy silt containing many dark brown organic pieces < 0.5 mm in size.
2 5-6. 5 31-40-72 Brown slightly gravelly silty sand. Widely graded; angular to subrounded grains; contains m 30-40%
nonplastic fines and N lo-15% gravel up to 35 mm in size; fast reaction to shaking test.
3 8.5-9 127 Gray-brown silty gravelly snnd. Widely graded; angular grainns; contains N 30-4W0 gravel up to 25 mn ln size and N 20-3016 nonplastic fines.
A-IIcscrlptlon 1
o-2 l-l-7-19 Top is brown sandy organic silt containing roots up to 12 mm dixnctcr.
J3ottom is light brown to pray-brown gravelly silty sand. Widely graded; generally angular grains; contnlna N ZO-30% nonplastic fines and-10-20s gravel up to 18 mm in size; several ruoty-brown spots up to 10 mm in size.
2 5-G.6 31-60-74 Similar to bottom portion of Sample No. 1, but elightly less silty and fewer rusty-brown spate.
~w1rplc No.
IJOIilNG 140. E l - l SOIL DlCXI~IITIONS 1:
Nurlllmr or Illows pc r 6 lrc)J(:ct NC,. 72813 Dcecrlptlon No soil samplea taken.
(Hedrock at ground aurfncc. )

ML091330405

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