ML13016A314

Updated Safety Analysis Report, Revision 15, Chapter 2 - Site Characteristics, Figures A2.5-1 Through C2.5-23

ML13016A314
Person / Time
Site:	Clinton
Issue date:	01/10/2013
From:	Exelon Generation Co
To:	Office of Nuclear Reactor Regulation
References
RS-13-009
Download: ML13016A314 (71)

Text

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CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE A2.5-1 ULTIMATE HEAT.:.SINK SALT CREEK ALLUVIUM

.i

.' t 700~

690 680 670

~60 ro *'

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______ ~NOR~M~A=L~L=AK~E_W~.=S.~E=L~.6=9~O~* ________ -++-____________________________ ~~:~

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680

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6ro 660 BOTTOM I HEAT SINK EL668..5*

SECTION A-A o

100 200 SCALE IN FEET

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• REV. 3 SEPT. 1991

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CLINTON POWER STATfO"N UPQATED SAF'ETY ANALYSIS REPORT FIGURE iA2. 5-2 ULTIMATE HEAT SINK - BORING LOCATION PLAN AND SECTIONS

1500

19J, 5

2<45 MA 110 29$

10 100 12 15 MA 7_1 13 1~6-5 80 13 20 25 30 35 40 45 5~

55 60 65 70 7S CI)

I-Z 5(1)

(JILl

...J

~~

...J<<

m(l) 6 SS 44 SS 17 SS 30 SS 27 SS 100 5"SS 52 SS 94 SS BORING BH-I SURFACE ELEVATK>N 690.3 ft.

SYMBOLS DESCRIPTIONS TOP OF OUTWASH SM Brown, sandy silt, some fine gravel

-large boulder noticed at 4.0'

-some thin sand seams

-mottled 1'\\I,bJ~--ITop OF ILLINOIAN TILL ML Gray,silt, some fine sand, trace fine gravel Gra~silt, trace fine to coarse sand, trace fine gravel Boring completed at 20. feet on 4-1-75 Water level not recorded.

676.3 CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE A2.5-3 LOG OF BORING BH-l

VI I-z BORING BH-2 z_

~;::

=>

\\oJ SHEAR STRENGTH ATTERBERG IL QUI Qt;j

~g 011:

TRIAXIAL

.,<<0l0I"I0Il:,,

LIMITS

~~i

~ ~;~

uw

~W

.J 0_ t;1-~ COMPRESSIQ14 _

~~

I >-tt.

>- ~iiiCl)

~~

SURFACE ELEVATKlN 689.9 Ft.

(;j!:.

>-!: *"'8

"'~\\oJ ~ CT3 ~

",1-)(.... o~

!:'i~

.J4

.J I-t~

.. -w

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j(!,!0 2" 1:

SYMBOLS DESCRIPTIONS 0

11:'"

'.. pa' I-Z

~CL Orange-brown to light brown, silty clay, 11 SS some organics, trace fine sand.

5 11 5S

"""SM Medium brown, silty fine to medium sand, 4 SS some coarse sand, trace fine gravel 10 20 SS SW TOP OF OUTWASH 679.9 SM Medium brown, silty/fine to coarse sand, 35 SS trace fine gravel.

15 27 SS 23 SS 20 24 S5 TOP OF ILLINOIAN TILL 668.9 25 5S Mottled orange-brown, fine sandy clayey

~

~~!~~ ~I~~eg~~~~Y~ to coarse sand, 25 37 S5 Medium rqay. fine sandy silt, trace organ1CS.

38 55 Medium gray, fine sandy clayey silt, trace medium to coarse sand, trace 30 gravel seams.1 feet thick of silty fine sand.

ML Medium gray, fine sandy clayey silt, trace medium to coarse sand, trace 35 fine gravel.

40 Boring completed at 27.5 feet on 3-26-75.

45 Water level at 17. feet.

50 55 60 65 70 75 CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE A2.5-4 LOG OF BORING BH-2

1=;::

SHEAII STIlENGTH

~~ (I) ~ ~

TRIAX'AL IIIOCO"',""D o~ Ii;.... ji !cOMPRESSION --

~ ~~ Oi.~

0"3 ~

o a: '" z-; PI' oft 2000 19.2 28.7 24.2 1100 28A 94 5r---r-~r--+---+---r--+--+~~

~!A 3000 17J) 37.3 10 MA 3<l5 156 15 2200 113 1!l7 14.5 123 MA 6370 1 Ii> 12 61.3 14.5 20 1700 14.1-12 lQ2 25 30 MA

'71'.

,~

249 35

<10 19.3 45

~J Q.i 20P 50 55 60 65 70 75 UJ I-Z

J OUJ U\\oJ BORING BH-3 z~

01-i=\\oJ

<<\\oJ

...J

~~

SURFACE ELEVATION 700.6 Ft.

~~

...J<<

IIIUJ 8 SS 11 SS 11 SS 4 SS 4 SS 19 SS

'n, c::

SM I-ia.

CL 100 SS Io'"l~-"""'"

S~

163 SS SM 37 S S Iiftti...~t 129 Ssr 117 SS

~

192 SS iI ~

96 SS I~

SP 98 SS 67 SS Sp 41 SS 54 SS 68 SS 91 SS DESCRIPTIONS Mottled brown to light brown, fine sandy clay, some silt.

TR~d~lsgu~~~, silty fine sand, some medium sand.

-some medium to coarse sand, trace fine gravel.

-some fine to coarse gravel.

Hedium dark brown, fine sandy clay, some silt, trace medium to coarse sand, trace gravel.

Medium dark brown, silty fine to coarse sand, trace fine gravel.

Medium dark brown, silty fine to medium sand.

Medium dark brown, fine sandy silt, some clay, trace medium to coarse sand, trace fine ~rave1.

...J

\\oJ 693.1 Medium dark brown S11ty fine to coarse sand, trace fine gravel.

Medium dark brown, fine sandy silt, some clay, t~ace medlum to coarse sana.

Medium dark brown, silty fine to coarse sand, trace fine gravel.

Medium dark brown, fine sand, some silt, trace medium to coarse sand.

Medium brown, fine to medium sand.

Medium brown, fine to medium sand, trace coarse sand.

Reddish brown, fine to medium sand, some silt~ trace coarse sand.

162 SS I+ii:,:..;t.--+'rop OF ILLINOIAN TILL 652.1 206 SS 173 SS ML Medium gray, fine sandy silt, some clay, trace fine gravel.

Boring completed at 55.0 feet on 4-2-75.

Water level at 11. feet.

CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE A2.5-5 LOG OF BORING BH-3

UI I-z BORING BH-4 a;::-

~~

SHEAR STRENGTH ATTERBERG

~

OUI 0'"

TRIAXIAL LIMITS

~~i 0

UILI

~:!:

=:

Q. ~~~

..J 694.0 Ft.

t;... ", OIoIPRESSIOl'l

~~, >-?fl.

>- ~;niii

~~

SURFACE ELEVATK>N Gj~

"'~~

>-t:: ~"8

~ 0"3 1-

~t:~ '"-olS 15!!

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r: N ILl

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2u mrn 0

"'w pst g

SYMBOLS DESCRIPTIONS 11 SS ~~ CL Medium brown, silty clay, some fine sand.

1600*

22. 105 1300* 18.8 26. 25. 102 10 SS Mottled light brown to medium dark brown, 5

clayey silt, some fine to medium sand.

MA

16.

6.

TOP OF OUTWASH 4 SS Reddish brown, silty, fine to medium sand, 686.5 SW 10 SA 19 12 2 SS

,some coarse sand, trace fine gravel.

8M 1/18"SS 15 SA

27.

4.

1/18"SS :';

TOP OF ILLINOIAN TILL 677.0 19 SS MJ.

Medium brown,silt, some clay, tra~e

14.

CL medium to coarse sand, trace fine 20

,6<)0 11 h.1 I?

I11R 56 SS gravel.

11.5 137 SS 25 9360 9.13 143 94 SS ML Medium gray, silt, some clay, som£.

70 SS medium to coarse sand, trace 30 fine gravel.

35 40 45 Boring comp 1eted at 27.5 feet on 3-3-75.

Water level not recorded.

50 55 60 65 70 75 CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE A2.5-6 LOG OF BORING BH-4

cn I-z BORING

.~~

~t SHEAR STREN6TH ATTER8816

)

BH-5 ocn 00::

TRIAXiAl LIMITS

..a!

~..

OLIJ

~lj

~~.,......

==

~~~

~=~

..J liil-i OMPRESSI~

o,,!!

I.,cfl.

>- ~..

~~

SURFACE ELEVATION 691.8 G;~

t:'

~i§

... ~... ~ 0'3 1-

<nt-x ~o5 ~i

..Jet

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~~

au m cn SYMBOLS UJ 0

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Dlf l!:

DESCRIPTIONS 330 19Ji 273 4.1 02

"'~I a IMedium to light b>:own, silty clay, MA L71i Lull some fine sand.

5 9 SS TOP OF OUTWASH 687.8 ll.S SW SA W

4 SS 5M brown, fine to coarse sand, 10 3 55 little fine gravel, trace silt.

HA 71+

03 26,(1 2 55 ML 15 HA 31<

07 ~~

4 55 5M

.~.

brown, silt and fine to coarse sand.

4 5S

\\w Reddish-brown, fine to coarse sand, 20 SA 4P 71>

21 SS t:.~*

trace silt, trace fine to medium 14 S5 gravel.

25 SA 6S 50!

21 S5 38 55 30 SA lL.2

'if 51 55 60 SS

-grades gray 35 SA

!'i>

6.':

48 5S

-grades light brown 47 SS 40 34 55

-grades medium brown 500$ lOP 100 9.5 162 5S TOP OF ILLINOIAN TILL 651.8 45

'~Oo$

la2.36 153 55 ML Medium gray, silt, some fine to coarse 6"

sand, some clay, trace fine gravel.

50 Boring completed at 44.0 feet on 4-1-75.

55 Water level not recorded.

60 65 70 75 CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE A2.5-7 LOG OF BORING BH-5

til

~

z BORING BH-6 z~

~;:

SHEAR STRENGlli ATTERBERG IL 6 til o~

~~

ocr:

<:1 TRIAXIAl --

LIMITS w~ l(

w uw

~::l

~~e

~~~

..J t;~i OMPRESSIOH ~-

~t ' >-~

>- ~c;;'"

~~

SURFACE ELEVATKlN 685.0 Ft.

~~

...... ~

0"3, ~

..... x "'o~ ~~

",wg

..J~

..J

... ",,~

~ ~g~

~:N altll lIJ Jlu SYMBOLS DESCRIPTIONS 0

cr:...

zpof. "p'lf CL 1~~l!~~~T CREEK.

silty brown iq brown mottled, 5 SS

,trace lne sand.

5 11000*

2m 1'i.1 121\\1 iJon 4 ss 660 tl15 105 9 SS Light grayish brown mottled, silty clay.

10 1410 1'V 30.7 Pli>

98 7 SS 300*

p'V 3 S5 15 l;A 121R

PQf, 8 55 GC

, ~1J.~~~Hgravel, some silt.

671.0 28 SS GM 20

.790

'l1l Ill9 41 5S L

TOP,lJF ILLINOIAN TILL b69.0 ML Gray, silt, trace fine to coarse sand, as 53 S5 trace fine gravel.

25 n'>.

, -.7 116 5S 30 35 Boring completed at 25. feet on 4-1-75.

Water level at 6.5 feet.

40 45 50 55 60 65 70 75 CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE A2.5-8 LOG OF BORING BH-6

II)

I-z BORING BH-7 z~

~~

SHEAR STRENGTH ATTERBERG 5en Qt Ii:

0'"

TRiAXIAL,,--_0 LIMITS

~..

uw

!;iw IAI

~~~

c,"'-

~

.J 0.:;:

!cOMPRESSION --

U 0

!!: ~~E

>- ~;;co

~~

SURFACE ELEVATION 6B1.B Ft.

~~

t C)'

t) ** O

,..... c oo8

... ~... ~

(T3 1-t-

eM-X ILS5 ~i!

.J</:

...J en c(-w r: N cr ~ cr~~

~"

~

CD en SYMBOLS DESCRIPTIONS w

0 pI!

TOP OF SALT CREEK ALLUVIUM

""t Black, silty clay - topsoil.

S IIBOQi B3 lO~

15 SS CL Mottled dark to light brown, silty clay, trace fine sand.

l~ 30.7 6 ss 10 70()i 31.3 3 SS l.,.nD OF OUTWASH 669.B 17 SS t~~

GW Mottled brownish orange to medium

~A 1?Q A.

GM gray, silty, fine to coarse gravel 15 15 SS and fine to coarse sand.

Medium brown, fine to coarse gravel, 43 SS Hf~~ fine to coarse sand, some 20 R.7 105 SS Mi.

TOP or ILLINOIAN TILL 663.3 Medium gray, silt, some fine to coarse 129 SS sand, trace fine gravel.

25 30 35 Boring completed at 22.5 feet on 4-2-75.

Water level at 4 feet.

40 45 5

55 60 65 70 c

CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE A2.5-9 LOG OF BORING BH-7

5 l~

9.5 28.1 10 C/)

I-Z 6(1) ow

~~

-'od:

1IlC/)

8 SS 3 SS 2 SS 4 SS BORING BH-8 SURFACE ELEVATION 681.7 Ft.

SYMBOLS DESCRIPTIONS

~

TOP OF SALT CREEK ALLUVIUM

~

CL Mottled grayish black to brown, silty clay, trace fine sand.

SP slI 673.7 MA lUi 9.7 19 SS I!JP;~;+

• • -~

15 30 SS 23 SS 20

",.i,t.

33 SS lOP 131 123 SS 25 lLB 13 100 SS

,~-+--+--+---II---I---l-=-!""+.t.=.c~---l--:;2" 30 35 40 45 50 55 60 65 70 15 GP Brown, fine to medium gravel.

~

TOP OF ILLINOIAN TILL 663.7 ML Gray silt, trace fine to coarse sand, trace fine gravel.

Boring completed at 25. feet on 3-31-75.

Water level at 3. feet.

CLINTO N POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE A2.5-10 LOG OF BORING BH-8

5 000*

21' 10 MA 64 15

c.

1 n6 Q,

20

, 1 Il'i Q1

11. 1'.1 lOt:

25 n

il2 30 35 40 45 50 55 60 65 I

70 75 rn I-Z i3rn UILI

...J

~~

...J<<

BORING BH-9 SURFACE ELEVATION 682.1 Ft.

CD rn SYMBOLS DESCRIPTIONS

::1 ~;

TOP OF SALT CREEK ALLUVIUM Blackish-to-brownish gray, silty clay, trace organics.

2 SS 2

SS~~~*

-I 1

ML Brown, si t, some fine sallo, trace 2

21 49 52 154 133 S5 clay.

TOP OF OUTWASH SS~~; GP Brownish gray, fine to coarse gravel, 1:+:.

some fine to coarse sand.

SS.

~

TOP OF ILLINOIAN TILL 5S S5 SS ML Gray, clayey s~lt, trace fine to coarse sand, trace fine grav~l.

Boring completed at 25. feet on 3-31-75.

Water level at 4. feet.

668.1 6&5.6 CLINT 0 N POWER STATION UPDATED SAFETY ANALYSIS REPORT FI GURE A2. 5-11 LOG OF BORING BH-9

en

~

z BORING BH-IO z_

x:-

J SHEAR STRENGTH ATTERBERG o~i! ~

oen o~

h:t;j oa:

TRIAXIAL LIMITS UUJ i=UJ

~~

==

~~~

..J ctUJ

.-.-" COMPRESSION

~#.>-~ ~~:

>- ~u;w.

~~

SURFACE ELEVATION 680.9 Ft.

f:j~

~[Ij~

-.,,~ >- t- ""'8

~ 0"3

...l&-

enl-

~t:~ ~o~ a:~

..J<<

..J 1-00{I)

3~

~:N men UJ Ul...J olt

~~!i!

luIO~

SYMBOLS 0

a:'"

'prf o,f

...J fOJ?

W. SAl

KEEI Al JV. UM 9 "I CL

gray, silty clay, trace fine sand.

5 16.5 23.3 251-> 106 3 SS 2 5S 10 24,7 2 SS ML GraYt silt, some fine sand.

4 SS

'sM Gray, silty fine sand.

SA 221>

34,9 TOP OF ILLINOIAN TILL 666.9 15 16 SS

[ML Gray, sandy silt, some fine gravel.

lOP 13" 32 55 20 34 55 lI.3 13t 70 SS 25 Boring completed at 22.5 feet on 3-31-75.

30 Water level at 3.5 feet.

35 40 45 50 55 60 65 70 75 CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE A2.5-12 LOG OF BORING BH-1O

5 lQ? IQ?

22.5 10

15.

17.6 26.6 15

~nn-l

??E.

14.3 20 25 30 35 40 45 50 55 60 65 70 75 Vl

~

z au>

UUJ

...J

~~

...J<t

"'Vl BORING BH-II SURFACE ELEVATION 685.5 Ft.

SYMBOLS DESCRIPTIONS 7 SS CL Grayish brown to brown, silty clay,

~

TOP OF SALT CREEK ALLUVIUM trace fine sand, trace organics.

6 SS 4 SS CL Brown, silty clay, some fine to 4 SS 4 SS 4 SS 22 SS 43 SS 99 SS 57 SS 119 SS ML medium sand, trace fine.to medium gravel.

~~--j TOP OF OUTWASH 670.5 SP Gray, fine to coarse sand, little silt, SM trace fine to medium gravel.

Il--- TOP OF ILLINOIAN TILL 668.5 ML Gray, clayey silt, trace fine to coarse sand, trace fine gravelo Boring completed at 27.5 feet on 3-26-75.

Water level not recorded.

CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE A2.5-13 LOG OF BORING BH-ll

U'l z

BORING BH-12

-z~

~~

SHEAR STRENGTH ATTERBERG 0(1) 0 LlIoIITS

~~5 u

UW i=UJ

- ~~

0'"

CoJ::~~==

11. ~~~

...J e:(W

...... :x:

~~ I >-~

... ~iiiC/II

~~

SURFACE ELEVATION 681.0 Ft.

(;j::

"~3:

t;;~

S~......

"'~8 OJ ~ 0"3 ~

.,... x

~~

...Je:(

...J

~~ ~g~ 2u t: N

<D(I)

DESCRIPTIONS W

UJ..J

~

SYMBOLS 0

2pof Dol

~

CL TOP OF SALT CREEK ALLUVIUM 7 55 Grayish black to brownish gray, silty Mr.

clay, trace fine sand.

5 9 55 TOP OF OUTWASH 675.0 2 SS SM RegYk~~ brown, silty fine sand, trac!'

10 2 SS 21 SS GP Reddish brown to dark brown, silty fine gravel, trace fine to coarse sand.

15 23 SS TOP OF ILLINOIAN TILL 664.0 41 SS ML Gray, clayey silt, some fine to coarse

~and, trace fine gravel.

20 37 SS 237 55 25 lsO/2'SS 30 Boring completed at 24. feet on 3-26-75.

35 Water level at 6.5 feet.

40 45 50 55 60 65 70 75 I

CLINTON POWER STATION FINAL SAFETY ANALYSIS REPORT FIGURE A2.S-14 LOG OF BORING BH-12

CII I-z BORING

~~

1~

SHEAR STRENGTH ATTERBERG IL l3C11 BH-13

~

00::

~, TRIAXIAL _co LIMITS wi! It In; uw fi:!l w.. ",,,,

oc~

.J 0::: t;~i OIoIPRESSIOH -- ~:: I>-'ift

~"a

~~

SURFACE ELEVATION 695.3 Ft.

Gi~

~:i:!

~j

~w~ ~ CT3 !-

~~~ lI.a~

o.N

.J<t

.J

~~ ~~~

Ou 0 OlCII.",..an, c:

W 0

0::'"

~ oaf DESCRIPTIONS

~CL Mottled medium brown to dark brown, 2000 10 SS ML silty clay, trace fine sand.

5 lR~ 2 'it. 12'i9 1101 13 S5 I-- l?J'dP:h.?~~~~ medium sand, trace 689.3 9 SS SP 10 MA 1162 IV.

7 SS silt, some medium to coarse sand.

39 S5

~ i.

SW Medium brown, fine to coarse sand, 15 SA tW lat.

53 SS some fine gravel, trace silt.

34 S5 20

.~nol I?n 63 S5

~

Medium brown, silt, some clay, little 45001 lUi 13 116 SS fine to coarse sand, trace fine gravel.

25 18b_

31 55 tsw Medium brown, fine to coarse sand, trace 80 S5 fine gravel, trace silt.

SA I4/<

9.2 30 ilfiQ 142 S5 iML Laminated brown to gray, silt, trace 127 55 t""sM fine sand.

Medium brown, silty fine to coarse sand.

35 17Q 91 55 ML Laminated black to gray, silt, trace 8250 1QD 14 115 SS TOtig~ it£~~OIAN TILL 659.3 ML Medium gray, silt, some clay, some fine 40 133 SS to coarse sand, trace gravel.

45 50 55 Boring completed at 40. feet on 4-3-75.

Water level not recorded.

60 65 10 15 CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE A2.5-15 LOG OF BORING BH-13

(I)

I-z BORING BH-14 z_

I:~

SHEA" STFIENGTH ATTER8EI\\G 5(1) 01-

~[

00::

TRIAXIAL VOlt_lOCO LIMITS

.. ~ ~..

0111

~III

.,... \\oJ on-

~;~

~

<till 1-1-" OMI'ftESSION -- o,e * >-~

~=...

~~

SURFACE ELEVATION 694.1 Ft.

Gi~

.,~'"

~t:

~iifO t;~

• "'8

\\oJ

'" ~

<T3 l-(1)1-X "-05

~<<

~

I-

~2~

oll! r: CII

\\oJ-'

~~

au (IJ(I)

ILl 0

~""'

D"

~

SYMBOLS DESCRIPTIONS SS~

CL Mottled medium to dark brown, silty clay, 2300 26,0 10 10 trace fine sand, trace organics.

17J

'n7 1u,.2 5

8 SS MA 181) 189 TOP OF OU'NASH 688.1 7 S5 SM Reddish-brown, si Ity, fine to coarse 10 14 55 SW Me~i~g'b~~~~ fl~~ tg ~~~~~: ~~~d~lsome 64 S5 fine to medium gravel, trace silt.

SA 5f>

1004 15 4.5 77 SS 47 5S 20 48 55 SA 8.2-lOB 25 55

~~~] GP Medium brown, fine to medium gravel, some fine to coarse sand, trace 25 18 5S sil-t.

17/<

57 S5 SP Medium gray, fine to coarse sand, some 28ti iML fine gravel.

30 23 S5 Mottled medium to dark gray, silt.

f..- TOP OF ILLINOIAN TILL 665.1 138 28 S5 ML Medium gray. silt, some fine to coarse 35 6t.Rn lin 11' 75 S5 sand, trace fine gravel.

8.3 168 S5 40 45 50 Boring completed at 37.5 feet on 4-4-75.

Water level at 22.0 feet.

55 60 65 70 75 CLlNTlOlN POWER STATION UP-o-ATED SAFETY ANAL 'fSIS REPORT FIGURE A2.5-16 LOG OF BORING BH-14

en I-Z BORtN G--PH "'"., ;:'

x:-

SHEAR STRENGTH ATTER8ERG

J 0'"

tLt;:;

LIMITS Q~~

u UUJ i=UJ 0'"

TRIAXIAL a..

"'~

-J

<::UJ

~~........

=::.:

>-... x OMP1!ESSIOH

~~, >-rfl ~:= >- ~ !iii

~~

SURFACE ELEVATION 689.2 Ft.

"=.. ~~

~

UJ~

... ~ CT3 ~

"'.... "'... x '"-~~:~~

-J<::

-J

~~

CD'"

UJ

~~~

~

SYMBOLS DESCRIPTIONS 0

~oot ""'

~

CL Brown mottled~.silty clay.

AG ML 5

~~

Brown, silty clay, trace fine gravel.

~~

TOP OF OUTWASH 680.2 10 SP Brown, silty fine to coarse sand, trace BG SM fine gravel.

15

~~

Gray, silty clay, trace fine gravel.

20 ML Grayish brown, sit t, t race organics.

25 I-- TOP OF ILLINOIAN TILL 666.7 ML Gray, silt, some fine to coarse sand, some fine gravel.

30 35 40 Boring completed at 25. fee t on 3-25-75.

I 45 Water level not recorded.

I i I I

50 55 60 65 70 75 CLINTON POWER STATION FINAL SAFETY ANALYSIS REPORT FIGURE A2.5-17 LOG OF BORING PH-l

t:~-~

SHEAR STRENGn1 I-ocr e:; '" &tJ '" "'. TRIAXIAl..

....cow...

o

...... j.. OMPRESSION -"-

~~~ ~ 0"3 ~

o crw

~ ** 1 oft 5

10 15 20 25 30 35 40 45 50 55 60 65 70 75 (I)

I-Z

~ II)

BORING PH-2 UUJ

...J

~ ~

SURFACE ELEVATION 687.7 Ft.

...J<l m II)

<:YUROI!::

DESCRIPTIONS

~I; I:-

SP BG SM

~

HL Brown mottled, silty clay.

h~~'£~ ~~~~i! fine to coarse sand.

some silt, little fine gravel.

Brown, silty, fine to coarse sand, some fine gravel.

Gray, silt, some fine to medium sand, Griy~C~ift~et,~~~e~rganics.

r----

TOP OF ILLINOIAN TILL HL Gray, clayey, silt, trace fine to coarse sand, trace fine gravel.

Boring completed at 35. feet on 3-25-75.

Water level at 16.5 feet.

683.2 664.2 CLINTON POWER STAT 10 N UPDATED SAFETY ANALYSIS REPORT FIGURE A2. 5-18 LOG OF BORING PH-2

~

z BORING PH-3 z_

1~

SHEAR STRENGnf AHERBERG is,,,

O~

~

0<<

1e4 TRIAXIAL

--~.

UNITS

~~i II..

uw j::w w.,......

~;~

..J

~~

0;:: t;>-i OIoIPRESSlON --- ~~

I "..if.

>- ~;;.

~~

SURFACE ELEVATION 697.3 Ft.

... ~... ~

CT3 ~

.,,- )( "Ii! i~ ""'8

..J<<

..J

~~ ~~i r: N w

a" Ill'"

0 0:'"

r;, D.f

~

SYMBOLS DESCRIPTIONS CL Grayish black, silty clay, some fine to AG coarse sand.

SC Brown, clayey, fine to medium sand, 5

some silt, trace fine gravel.

CL Brownish gray, silty clay, trace fine ML to coarse sand, trace fine gravel.

10 15 TOP OF OUTWASH SP Brown, medium sand, trace gravel, 682.3 trace silt.

20 I:

Gray, silt, some fine sand.

25 Reddish brown, silty coarse sand.

30

-grades with silt.

35 40 m

OF ILLINOIAN TILL 655.8 ML Gray, silty, clay, trace fine to coarse sand, trace fine gravel.

45 50 55 Boring completed at 42.5 feet on 3-24-H.

Water level 16.0 feet.

60 65 70 75 I

I CLINT 0 N POWER STATION i

UPDATED SAFETY ANALYSIS REPORT FIGURE A2.5-19 LOG OF BORING PH-3

(I)

.... z BORING z_

~~

SHEAR STRENGTH ATTERBERG

J PH-4 0(1) 0 00:

TRIAXIAL LlNITS

..;I. :t..

uw i=w

==

~~~

~;~

...J

~~

t;o-i OMPRESSION

~::

1 >-eI- ~~~ >- ~.C4

~~

SURFACE ELEVATION 694.5 Ft.

",~...

rrc *"'8

~ <T3 :t

~t:~ 1&.i5~ oS! r:...

.:J<<

...J

.... w~

~~ ~~!i!

>lu -:i!

w 0

0:'"

Z..,

.01

~

DESCRIPTIONS Orange-brown, mottled, silty, clay.

5 TOP OF OUTWASH Brown, silty fine to coarse sand, 689.5 SM trace fine gravel.

10 SW

-silt and gravel grade out.

15 OF ILLINOIAN TILL 677.5 ML Gray,silt, trace clay, trace fine to 20 coarse sand, trace gravel.

25 30 35 Boring completed at 25. feet on 3-24-75.

Water level not recorded.

40 45 50 55 60 65 70 75 CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE A2.5-20 LOG OF BORING PH-4

en I-z BORING PH-5 z_

1~

SHEAR STRENGlli AHERBERG 5en 01-t:

00:

TRiAXIAL ___

0 LIMITS wi! If w

UW i=w 000'-

~~

...J oCtW

\\J.I t;l-j OMPRESSION -- 2?ft I>-rfl. ~~~

~~

SURFACE ELEVATION 722.6 Ft.

~~

0;:;:

~z;'"

... ~...

t;.....

U).... i -.... ii c"8

~ 0"3 ;.t

.... 05

...J<<

...J t-",,~

~ ~ ~g

~"

r: N men w

0 0:"

zpoI p.t

~

SYMBOLS O~SI,;RIP IONS

~C.L R!;'ai~.\\', IirownsiIty cITy, some fine AG ML sand.

5 ML Mottled brown to orange brown, clayey CL silt, some fine sand, trace fine gravel.

10 15 20

-grades dark brown.

25 ML

~gitY~dI~~~!~~~~ttu~~~~ gray, clayey 695.6 silt, some fine sand.

30 OF ILLINOIAN TILL 691.6 ML Medium gray, clayey silt, some fine 35 sand, trace fine gravel.

40 45 50 Boring completed at 37. feet on 3-25-75.

Water level at 35.5 feet.

55 60 65 70 1'5 CLINT 0 N POWER STATION I

UPDATED SAFETY ANALYSIS REPORT FIGURE A2.5-21 LOG OF BORING PH-5

III t-z BORING z_

~~

SHEAR STRENGTH ATTERBERG Bill PH-6 Ot-0<< ~(TRIAXIAL __...,

LIMITS

~~i u

u....

~::l

... ~~~

...J

>->-~ OMPRESSION........ 0' 0

~

~

~ii\\O

~~

SURFACE ELEVATION 713.0 Ft *.

~~

~~:#

in 0.::::

1,..0

~!: "'°8

~ 0"3 ;;t I-en.... )( "-05 ~!!

...J<<

...J

~ ~ ~~~

lEu r:w (Dill IOLS 0

~ ** 1

~

DESCRIPTIONS CL Dark brown to brown, silty clay, trace AG organics.

5

~

~~ai~~ g¥~~Hsilty fine sand

• 707.0

. ~

Medium brown, silty, fine to coarse 10 sand, some fine gravel.

ML Mottled orange brown to gray, clayey silt, some fine sand.

CL 15

-trace fine gravel.

20 25

"~n OF ILLINOIAN TILL 688.0 ML Medium gray, clayey silt, some fine sand, trace fine gravel.

30 35 40 Boring completed at 42. feet on 3-25-75.

45 Water level at 26. feet.

5 55 60 65 70 75 CLINTO N POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE A2.5-22 LOG OF BORING PH-6

(I)

I-z BORING z_

r::-

SHEAR STRENGTH ATTERBERG 5",

PH-7 01-Il:t 00::

cot!::~~~ =';':

LIMITS a:! li'

~~~

uw

!;il::

~t cn",,,,

...J 699.6 Ft.

...... x

~~.>--rf!

~"r

~~

SURFACE ELEVATION Gi~

-;:: :~~

"'... x ~s~ >-!:: '8

~ 0"3 -!-

!ir.!

...J~

...J U)

~~

f: N

~~o :Ou m'"

W 0

0::'"

~tm Dot

.... Z

~

SYMBOLS DESCRIPTIONS AG CL ML Brown, mottled, silty clay.

5 I~~~; ~Y~~~:fine to medium sana.

693.6 Brownish-gray to brown, silty clay, 10 trace fine to coarse sand, trace fine gravel.

15 20 t-- TOP OF ILLINOIAN TILL 677.1 ML Gray, clayey silt, trace fine sand, 25 ct trace fine gravel.

30 35 Boring completed at 25. feet on 3-24-75.

Water level at 16. feet.

40 45 50 55 60 i 65 70 75 CLINT 0 N POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE A2.5-23 LOG OF BORING PH-7

U)

I-z BORING PH-8 z_

I:c w

SHEAR STRENGTH ATTERBERG 5U) 01-

~~

0'" ~(TRIAXIAL "~_~.

L1NITS

~~i

~ ~;;

u....

t=....

"wW

..J

~....

0;::; I-I-X OMPRESSION ~- ~~,)-~

>- ~CiiIO

~~

SURFACE ELEVATION 682.3 Ft.

~!::

~~~ ~ CT3 :t

<1>1-.,.... x

~o~ ~~ *""8 J~

....J

<[-w

~:~

w-'

~~ lo!o ZU IOU) 0 a:w

!pof po'

.... z

~

SYMBOLS DESCRIPTIONS

~OP OF SALT CREEK ALLUVIUM AG ML gray, clayey silt, trace fine c"L sand.

5 ITOP OF OUTWASH 675.3

(

iBrown, silty fine sand, some clay.

10 SM

-sand grades more coarse.

15 Gray, clayey silt, trace fine to coarse sand, trace fine gravel.

Gray silt, trace organics.

20

n OF ILLINOIAN TILL 666.3 ML Gray, clayey silt, trace fine to coarse sand, trace fine gravel.

25 30 35 40 Boring completed at 20. feet on 3-25-75.

Water level at 8. feet.

45 50 55 60 65 70 75 CLINT 0 N POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE A2.5-24 LOG OF BORING PH-8

CJ) t-z BORING PH-9 z_

r-ATTERBERG

~

~[

SHEAR STRENGTH OU>

Ot-00:

CoJ::~~==

LIMITS

f.

u E~~

uw

W 0

~

...J

<lW

...... :r

~~,.,..ff!. ~ ~ >-~

~~

SURFACE ELEVATION 691.0 Ft.

~LL

l5~ ~ 0"3 ;t.,...

(/)~)(...

~gj~

~::8

...J<t

...J

... "-11>

~~ ~~~

~:N 1IlU>

w

"'oJ DESCRIPTIONS 0

0:'"

0.;,.1'

• Q.

J

~

SYMBOLS ML Dark brownish-black, clayey silt.

AG TOP OF OUTWASH 5

ML Medium dark brown, silt, some fine to 687.0 GM eoa rse sand.

SM

-grades with fine to medium gravel 10 silt grades out.

BG SM

-gravel grades out.

OP OF ILLINOIAN TILL 677.0 15 ML Medium gray, silt, some fine to coarse sand, trace fine to medium gravel.

20 25 30 Boring completed at 18.5 feet on 4-2-75.

35 Water level 8. feet.

40 45 50 55 60 65 70 75 CLINTO N POWER STATION UPDATED SAF'ETY ANALYSIS REPORT FIGURE A2.5-25 LOG OF BORING PH-9

UI I-z BORING PH-IO z_

1:-

SHEAR STRENGTH ATTERBERG SUI 01-li:t cct:

LIMITS wi'

~..

uw

~~

~~.,........

TRIAXIAL UIOC_,,",O on-5;~

..J

...... i COMPRESSION

~;;.;

~~. )-i! ~~"

~:~

~~

SURFACE ELEVATION 697.5

~~

~~~

-~.. >-t:

~ IT;, l-

,nt- )( "'o~ ~~

..J<<

..J

......J

~~ ~2~ '"u r:~

mUl w

0 ct:w

! 001 DIf

~

SYMBOLS DESCRIPTIONS AG ML TOP OF SALT CREEK ALLUVIUM CL Light to medium brown, silty clay, trace 5

medium to coarse sand, trace fine gravel.

10 TOP OF OUTWASH 885.5

"""'ML Light, orangish-brown, silt, some clay, trace fine to medium gravel, 15 some fine to medium sand.

20 BG

'.' SW Medium brown, fine to coarse sand, some fine gravel, trace silt.

25

--. SP

... SM Medium brown, silty, fine to medium 30 sand.

35 40 45 TOP OF ILLINOIAN TILL 651.5 IIIII ML Medium gray, silt, trace medium to coarse sand, trace fine to medium 5

gravel.

55 Boring completed at 50.0 feet on 4-8-75.

Water level at 15.0 feet, 60 65 70 75 CLINTO N POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE A2.5-26 LOG OF BORING PH-1O

III I-z BORING PH-II z~

I:-

SHEAR STRENGTH ATTERBERG alii 01-li;t 0'"

TRIAXIAL UIK_""

LIMITS

~~i k'

uw

!;i:!l

~~~

~~~

-J

~g COMPRESSION ~-

~ g!!.

I>-~

>- ~c;;{D

~~

SURFACE ELEVATKlN 679.2 Gj!:.

~~~

>-1:: *"'8

~ CT3 l-en !:: ~t:~ I&.o~ l!i!!1

-J<t

-J

~:C'oI w

UJ""

~ ~ ~~~

l!u

~

aJ(f) SYMBOLS DESCRIPTIONS 0

~PIf.,f

• TOP OF SALT CREEK ALLUVIUM CL AD 5

ML Dark brown, silty clay, t"ace fine to medium sand, trace fine gravel.

10 15 TOP OF OUTWASH 664.2 SP SM Grayis~ brown, silty, fine sand.

20

-grades to gray.

TOP OF ILLINOIAN TILL 657.2 25 1111 ML IGr~i~:ilt. trace fine gravel, some to medium sand.

30 Boring completed at 24.5 feet on 4-11-75.

35 Water level at 18,0 feet.

40 45 50 55 60 65 70 75 CLiNTO N POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE A2.5-27 LOG OF BORING PH-ll

f/)

~

z BORING PH-12 z~

r.:~

ATTERBERG

l SHEAR STRENGTH a

f/)

o~

~~

00::

~, TRIAXIAL

"~_~,

LIMITS

~~~

~ ;~~

u UJ

~:!l

~;::.,......

..J t;.-:I: OMPRESSIOli ~-

~~ I>-tfl.

~

~iiiCl)

~~

SURFACE ELEVATION 690.3

~~

... ~~

>-to "'°8

~

(T3 l-en.->< lI..o~ ~~

..J<<

..J

~~ ~g~

r:C\\I UJ "u

mrn 0

0::'" 2..,

pal s

~

SYMBOLS DESCRIPTIONS

~t TOP OF SALT CREEK ALLUVIUM Dark brown silty clay, trace fine to 5

coarse sandt trace fine gravel.

10 TOP OF OUTWASH 680.3 GM iBrown, silty, fine to medium gravel, some fine to medium sand.

15 L

TOP OF ILLINOIAN TILL 678.3 ML 20 CL Gray, clayey silt, trace fine to medium gravel t some fine to medium sand.

25 30 Boring completed at 19.5 feet on 4-11-75.

Water level not recorded.

35 40 45 50 55 60 65 70 75 CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE A2.5-28 LOG OF BORING PH-12

Key to Boring Logs Samples 23 Indicates Standard Penetration Test Value SS Indicates Sample Obtained Using a Standard Split Spoon ST Indicates Shelby Tube Sample Obtained Using a 3.0 inch diameter Shelby Tube PR Indicates Sample Obtained Using a Pitcher Sampler (3.0 inch outer diameter)

CR Indicates Sample Obtained with 4.0 inch outer diameter Core Sampler OB Indicates Sample Obtained Using an Osterberg Sampler (3.0 inch sample diameter)

AG Indicates Auger Boring; No Standard Penetration Values or Samples Obtained Unless Specially Noted BG Indicates Bag Sample Obtained HR Indicates Sample Obtained with High Recovery Barrel Test Data Qu/2 Indicates 1/2 Unconfined Compressive Strength (Equal to Shear Strength) in P.S.F.

0.50 Value with no Asterisk is Obtained From RIMAC Test 0.50*

Value with Asterisk is Obtained from Pocket Penetrometer Test Reported Elsewhere C

Consolidation Test COMP Bulk Compaction Test MA Mechanical Particle Size Analysis (Sieve and Hydrometer)

PERM Laboratory Permeability Test SA Sieve Analysis TX/CU/PP Consolidate-Undrained Triaxial Compression Test with Pore Pressure Measurement TX/UU/R Unconsolidated-Undrained Triaxial Compression Test on Remolded Samples DR Relative Density Test UC/R Remolded Samples All Elevations Refer to Feet Above Mean Sea Level (MSL)

CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT Figure A2.5-29 KEY TO BORING LOGS

-r-=.~o~m~~.----~I----~.~--~IL-----L-~----L-I~.---i~-----~~'----~4--~.~I------~L--~~L-I ____ ~y ____ ~I ______ 1~

__ ~

I 0

c A

PH-I PH-2 H-19 700j 690 680 670 660 650

~~~~3:~~~~-~S~M~~~I~§~~~~~~~~~~~~~~-~~itb~JG~_!d~.:.~~~.~_:,~~~.~~~~W~I~K~O~N~~~u~~~~~n~!~~t[=~=~~~~§-~;-~-~~>~-~-~-:-:-~~~s-~-~;-;-~-;;~;-;-~'~_~~~?~:~~~~~~~~~R~~~fK~h~:~~~~~~~kl~U~~~.~6~6~a~~~_~~~_~~~~I~~~~.~~_~_

ILLINOIAN TilL E a.a 664.2 F

-1t-=-

'sw

""--SM EOB 6527 ILLINOIAN TILL EnR 629.0 PH-12 PH-II I

§J

jcr-

~CREEK ALLUVIUM E.oa 670B I

Section 10-10: no slide!! postulated due to quarry beyond the I!!Kcavated slope

2. Section II-It Salt Crtlek ollultium ellcaYoted due 10 construction of submeroed dike.

ILLINOIAN TILL E.QR 654.7 -""

SECTION 10-10 BH-9 BH-IO I

s,,/

E os. \\57.1 EO.B 658.4 SECTION 11-11 H-6 H-7 H-35 NORTH SECTION THROUGH SUBMERGED DIKE H-34 H-4 ILLINOIAN TILL E.OS 621.6 E.o.s 596.1 H-36 NORTH H-5 SW/ SM 680 670 660 650 E.o.e.

~

~

I roo 6.0 680 670 660 I

650 597.6

• ~700 670 660 650 CLINTON POWER STA TlO N UPDATED SAFETY ANALYSIS REPORT All elevotlons refer to feet above MSL FIGURE A2. 5-30 SECTIONS 10-10 AND 11-11 I

I I

\\

F o

c

I I

F PH-6 150-7.00 no 720 710 700 690 670 EO.8.67I0' 660 6'"

E PH-9 150 740 no no 710 0

700 690 680 670 ED.aS72S' 660 650 c

BH-I 150 740 730 720 710 700 690 680 670 E.Q8.670.3' 1LL1HOIAN l1LL 660 650 B

A All,"valloM... f" to f ** t obove MSL I

I PH-7 CL SM liJNOIAH TILL EOH674.6' PH-4 CL SM ILLINOIAN Till EQ8~.5' PH-4 I

I EOa~5' I

I

• 30 BH-5 (PI'o)tcltdl

£0.8.647.8' CL SECTION 7-7 BH-14 EOR65S.S' SECTION 8-8 BH-4 EQ8.6665' SECTION 9-9

+

I 7

I ow I

H-42 (Pro~-.:jJ E.O.8.626.3' H-13 (ProJlctedl I

I EDGE OF HEAT SINK EXCAVATION of !Waf SiM aft., p:IItulated IIUM

/80ttom of HRt Sink EI. 668.S' sa.

sw Il.L.INOIAN 11U..

1---+---------320'-----------11 EDGE OF HEAT SINK EXCAVATION

.......-Surfoc. of Heat Sink oiler poItuIGted slide

......-BoHom of Heat Sink EL 668.15' ILLINDIAN TILL sw*

E.o.8.630.6' H-13 EDGE OF HEAT SINK EXCAVATION

(

S\\II'fGeeof -H<<rt SiI* oft.. postuloled,lide Bottom of HRt Sink B. 668.15\\

ow ILUNOIAH TILL EOB.630.6' 40 0

1M!

W r

ffi 690 660 670 660 650 150 740 no

-720 710 700 690 670 660 650 F

E e-0

~

c m

7<0 no 720 710 700 f----

690 f-oeo 670 660 L650 B

r---------------------------------------~~

CLINTO N POWER STATION UPDATED* SAFETY ANALYSIS REPORT FIGURE A2. 5-31

-A SECTIONS 7-7, 8-8 AND 9-9

NOn

• 2.5-65,2.5-190 AND 2.5-192 FOR LOGS OF BORINGS.

1."0' r-I OFF-GAS I I

a I,

SHOP !

BUILDING!

1IL.?OI.O L,

{-36 *

- ----f I

• 4-34 EAST-WEST 8ASE LINE 80TTOM OF EXCAVATION ELEV. 680.00 TOP OF EXCAVATION EL E V. 738.00

~-----------740----__ ~

o

~.

+

REVISION 3 SEPTEMBER 1991 UIiDIII.

-+-

• • • UlCAtlOtl

-JIIo-1OPOCiIIA"UC C>>IfIQUIIS FlU 10 0

10 100 110 CLINTO N POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE B2. 5-1 FOUNDATION EXCAVATION PLAN

BORINGS 680 P-38 P-54 P-52 P-41 P-33 P-33A P-14 P-39 P-34 P-IO P-35 P-36 P-15 P-30 P-37 P-32 675 \\----+--

+-

Q)

Q)

LL c

c o

+-'

o 670 f-----+---

665

~660 w

650L---L--~----~---i----~---L--_L-__ -L_~

____ ~

__ -L ____ L-__ -L __ ~

___ ~

__ ~

LEGEND

~

Lens

[l))))Ill Le n s 2 M:;~j,:;;:;~:;:J Lens 3 II Lens 4 ill!!!!!!ll!1 Lens 5 Lens 6 29 Standard split spoon sampler.

• 29 Dames and Moore "u" type sampler.

CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE B2.5-2

SUMMARY

OF BORING LOGS

LABORATORY TEST DATA OW ATTERBERG

~~~

LIMITS SHEAR STRENGTH 1I)a:~

Tf"-.XIM.

~stNt.O p£;r~~lt..

~~~

PLASTIC PLA$TICIT COtoIPRESSION LIMIT INOI:X C[;.!i

~;t 0:-'

O1-,:f

'oJ :::

Cl.:t 1'40 w

730 720

..... 7/0

~

~

~ 700

~

~ 690

~

~

~ 680 MA 670 MA 660 MA 650 NOTE:

SEE FIGURE 2.5-298 AND FIGURE 2.5-355 FOR EXPLANATION OF SYMBOLS USED ON BORING LOGS.

~~

=>",

~~~

00

~o 12.3 10.8

11. S

~

,...~-

s-BORING P-33 A o:.,u oz" Btl OJ 0

~~

SURFACE ELEVATION 734.7

<i5~

SYMBOLS DESCRIPTIONS NO SAMPLES TAKEN ABOVE ELEVA TlON 680 FEET 129 ~

t---

GRAY CLAYEY S IL T WITH SOME SAND AND TRACE ML OF FINE GRAVEL (HARD)

ISI/It H 11 r-sM GRAY S I L TY FINE TO COARSE SAND. WITH TRACE 56 ~

~ FINE GRAVEL (VERY DENSE)

GRAY CLAYEY S IL T WITH SOME SAND AND TRACE ML FINE GRAVEL (HARD) 47 ~

GRADES WITH MORE SAND 27 ~

IrsM 6011 GRAY S I L TY FINE TO COARSE SAND WITH SOME 59 ~

I ML FINE GRAVEL (DENSE) 101 Ii GRAY SILTY FINE TO COARSE SAND TO SANOY SILT 121 Ii I~

(DENSE)

GRAY CLAYEY SILT WITH SOME SAND AND TRACE 100/6" 11

~ OF FINE GRAVEL (HA"D)

GRAY CLAYEY SILT WITH SOME SAND (HARD)

BORING COMPLETED AT 1l2.5 FEET ON 8-6-75.

CASING USED TO A DEPTH OF 5.0 FEET.

GRDUNDWATER LEVEL HEASURED AT 4.3 FEET ON 8-7-75.

CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE B2. 5-3 LOG OF BORING P-33A

~

~

l(

~

~

(:)

i:::

~

I.u

~

LABORATORY TEST DATA 0'"

ATTERBERG SHE AR STRENGTH

~~~

LIMITS

~~~

TRI,U,A\\.

=,OHHNtO ~":11t1t PLASTIC; fI\\.,uncl COfIlP"ESSION f'R(SSIOH

... ~~

LIIII'T' INO£X

~

bl !~

0:...

~-.!,

C1.!,

fiI.:,

740 730 720 7/0 700 690 680 670 660 650 640 NOTE:

SEE FIGURE 2.5-298 AND FIGURE 2.5-355 FOR EXPLANATION OF SYMBOLS USED ON BORING LOGS.

O:z

~

=>",

0:., u

~

BORING P-50

!!!z ozo.

00

~I:l

lEU 0

~~

SURFACE ELEVATION 734.8 I:):::.!

~p~ SYMBOLS DESCRIPTIONS NO SAMPLES TAKEN ABOVE ELEVAT ION 680 FEET 119 g t---

GRAY CLAYEY S I L T WITH SOME SAND AND TRACE FINE GRAVEL (HARD) 71 !I 36 g 50 !I ML 61 g 155/11" II GRADES HARDER 112 g -

BORING COMPLETED AT 86.0 FEET ON 8-7-75.

CASING USEO TO A DEPTH OF 4.0 FEET.

NO GROUNDWATER LEVEL RECORDED CLINTO N :POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE B2.5-4 LOG OF BORING P-50

LABORATORY TEST DATA 0'"

ATTERBERG SHEAR STRENGTH

~~

~

~~~

LIMITS TlUAXIAL

~~FINEO ~~1t"

=>....

,..~-

~

BORING P~51 enO:;!:

P1.ASTIC Pl.t.STIC\\T1 CQNPR£S$iOH 1"RE$So.

o:enu

~~~

!?z ozG.

at)

I..INIT INDEX

!L:.!i to:L ::.

m~

00 a:..J tit,:,

tel,:,

~o 0

t:~

SlJRFACE ELEVATION 735.1 740 w

Cl~

<il~

SYMBOLS DESCRIPTIONS 730 720 710 NO SAMPLES TAKEN ABOVE ELEVATION 680 FEET

~ 700

~

~ 690 t:)

i:::

~

s: 680 t---

lI.J 100 II GRAY CLAYEY SILT WITH SOME SAND AND TRACE

~

FINE GRAVEL (HARD) 37 II GRADES WITH I INCH SILTY SAND SEAM AT

60. I FEET 670 ML GRADES WITH MDRE SAND 50 \\I GRADES WITH THIN SILTY SAND SEAMS AT

31.

66.5 FEET 22 II 660 Mc-GRAY S I L TY FINE TO COARSE SAND AND SANDY 82

• SILT (DENSE) 185/9" \\I

!~

GRAY SILT WITH SOME SAND AND TRACE FINE ML GRAVEL (HARD) 650 175/11" II GRADES HARDER BORING COMPLETED AT 85.9 FEET ON 8-9-15.

CASING USED TO A DEPTH OF 5.0 FEET.

640 WATER LEVEL NOT RECORDED.

CLINTO N POWER STATION UPDATED SAFETY ANALYSIS REPORT NOTE:

FIGURE B2.5-5 SEE FIGURE 2.5-298 AND FIGURE 2.5-355 FOR EXPLANATION OF SYMBOLS USED ON BORING LOGS.

LOG OF BORING P-51

LABORATORY TEST DATA 730 720 710 I...

~

t( 700

~

~ 690

~

i:::

~

lIJ 680 i;j SA SA 670 ".

SA SA I'A SA MA 660 SA SA 17.5 11.1 10.6 BORI NG P-52 SURFACE ELEVATION 739,8 NO SAMPLES TAKEN ABOVE ELEVATION 680 FEET 156 ~ I ~

GRAY CLAYEY SILT WITH SOME SAND AND TRACE OF I"":':':"=-

FINE GRAVEL (HARO) 119 a..... SW GRAXR~~~[\\~~~~EjO COARSE SAND WITH TRACE FINE fiT ~ ::::: 3M GRADES WITH 2 INCH SILT SEAM AT 65.3 FEET 85

~ *****1 r.-::--

GRADES WITH LESS S I L T 125 ~ :::::vML GRADES WITH MORE SILT 88 ai R GRADES WITH LESS SILT 77 a SM I INCH SILT SEAM AT 70.9 FEET 36 ~

ML GRADES WITH MORE FINE TO MEDIUM SAND AND 31 ~

~ LESS SILT SM GRAY FINE TO COARSE SANDY SILT WITH TRACE FINE 85 g.:::::I~

GRAVEL (DENSE) 183/9" g (DENSE) 650 70 ~ I*:::::

ML GRAY SILTY FINE TO COARSE SAND WITH FINE GRAVEL

~

SW GRAY CLAYEY SILT. WITH SOME SAND AND TRASE

... -..L.--..I.. __..... _...L. __ I-__..... __..... _...I __.J 110/5" g SM GRA~I~~L~A~~~E(~~Rg6ARSE SAND WITH TRACE FINE ML GRAVEL (DENSE)

NOTE:

SEE FIGURE 2.5-298 ANO FIGURE 2.5-355 FOR EXPLANATION OF SYMBOLS USED ON BORING LOGS.

GRAY SILTY FINE TO COARSE SAND WITH TRACE FU,E GRAVEL (DENSE)

GRAY CLAYEY SILT WITH SOME SAND ANO TRACE FINE GRAVEL (HARD)

BORING COMPLETED AT 88.9 FEET ON 8-7-75.

CAS I NG USED TO A' DEPTH OF 5. a FEET.

GROUNDWATER LEVEL NOT RfCOROED.

CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE B2.5-6 LOG OF BORING P-52

LABORATORY TEST DATA 730 I---+-+-+_---l--i---i---I--+_--I

~

~ a:::

~~

I::>~

BORI NG P-53 SlJRFACE ELEVATION 139,0 ill;:;

SYMBOLS DESCRIPTIONS

~~--~-----------------------I NO SAMPLES TAKEN ABOVE ELEVATION 676 FEET

91. bm!!"""ML GRAY CLAYEY SILT WITH SOME SAND AND TRACE OF GRAVEL (HARD) 190/9J I ~

S!JJ GRAY S-ILTV FINE TO COURSE SAND, WITH TRACE t--+----j--+---j--f---l---4--+--I 125. ~~

SM FINE.GRAVEL'(DENSE)

'~:: ~~~~~~ ~

GRAY SILT WITH SOME FINE SAND (DENSE) 26 *

-TO MEDWM,GI\\AVEL (DENSE)

DRIVEN III 1"'"

Su" GRAY S Il TV FINE TO COARSE SAND WITH SOME FINE

31.

~ g~ms~m~ ~ffiM~~X~5, SOME SILT 1--+----j--+---j--f---l---4--+--I 26.

ML GRAY CLAYEY SILT, WITH SOME SAND AND 'tRACE FINE GRAVEL (HARD)

19. ~:::::

SIN GRADES WITH THIN SAND SEAM AT 79.8 FEET DRIVEN lD

~ sM GRAY S I LTV FINE TO COURSE SAND WITH TRACE FINE GRAvEL (DENSE)

L _....L __..L.. __ L-_..L.._...I. __...L. __..I.._....J..... _.I

\\ ML GRAY CLAYEY SILT WITH SOME SAND AND TRACE OF FINE GRAVEL (HARD)

NOTE:

SEE FIGURE 2,5-298 AND FIGURE 2,5-355 FOR

\\

EXPLANATION OF SYMBOLS USED ON BORING LOGS, BORING CCI(PLETED AT 84.4 FEET ON 8-8-75, CAS I NG USED TO A DEPTH Of 5,0 rEET, GROUNDWATER LEVEL NOT RECORDEO CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE B2.5-7 LOG OF BORING P-53

LABORATORY TEST DATA 0

ATTERBERG SHEAR STRENGTH LIMITS 1 ",0:

TIllIAXIAL

~:"f'INf.O f'OClI(T

",0 PLASTIC P\\...ASTtClT'I C.ow.P"E$StON

_tllW(~

1-"-

LIMn INDEX

!i.:...!i

~~

0:

Gl-,!'

re,.!,

td1_,:,

740 730 720 7/0

~

I.( 700

~

~

<::) 690 i:::

~

~

~680 670 MA 660 SA.

SA 650 NOTE:

SEE FIGURE 2.5-298 AND FIGURE 2.5-355 FOR EXPLANATION OF SYMBOLS USED ON BORING LOGS.

~~

0",

!!!Z 00

EO 10.3 11.4

~

~

BORING P-54

>-~-

~tl

~~

SURFACE ELEVATION 738.6 OZD.

0 Q:I~

SYMBOLS DESCRIPTIONS NO SAMPLES TAKEN ABOVE ELEVATION 678 FEET 22 m t--

GRAY CLAYEY SILT WITH SOME SAND AND TRACE FINE Ml GRAVEL (HARD) 18 II GRADES WITH SILT LENSES

~

24 a GRAY FINE SANOY SILT (DENSE) r-=-==-

GRAY SILT WITH SOME SAND AND TRACE FINE GRAVEL Ml (HARD) 81

~

t--sM 50 a GRAY SILTY FINE TO COARSE SAND WITH SOME FINE 51 a

~

GRAVEL (DENSE)

GRADES WI TH LESS GRAVEL r--==-

GRAY FINE TO COARSE SANDY S IL T WITH TRACE 100/5" II ML FINE GRAVEL (DENSE) 100/5" a --

GRAY CLAYEY SILT WI TH SOME SAND AND TRACE FINE GRAVEL (HARD)

BORING COMPLETED AT 86.0 FEET ON 8-7-75.

CASING USED TO A DEPTH OF 5.0 FEET.

WATER LEVEL NOT RECORDED.

CLINTO N POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE B2.5-8 LOG OF BORING P-54

~

LABORATORY TEST DATA

>'"~

I<"'U OZ~

o 730~-+---+---r--+-~----r---r-~--~

720~-+---+---+--4---+---4---~--~--~

710~~--~---+--~--~--~---r---r--;

~ 69 0 ~--ir---t--+--+--t---t---+---+---I

~

liJ

~ 6 80 ~--t----t----+--+--+----+----t----+---t 670~~---+---+--~--~--~---r---r--;

~

~

~tl

~~

~~

qj~

BORI NG P-55 SURFACE ELEVATION 739.0 SYMBOLS DESCRIPTIONS r-~--~-----------------------

NO SAMPLES TAKEN ABOVE ELEVATION 679 FEET

""ML GRAY SANDY SILT WITH TRAfE OF FINE TO COARSE

~M GRAVEL (DENSE)

~

GR.AY SILTY SAND WITH TRACE OF GRAVEL (DENSE)

ML GR~Y SANDY SILT WITH TRACE FINE GRAVEL (OENSE)

~

GRAY SILTY FINE TO COARSE SAND WITH TRACE FINE

~

GRAVEL (OENSEl

\\ ML GRAY CLAYEY SILT \\11 TH SOME SAND AND TRACE FINE TO MEDIUM GRAVEL (HARD)

BORING COMPLETED AT 79.0 fEET ON 8-8-75.

CASING USED TO A DEPTH OF 5.0 FEET.

GROUNDWATER LEVEL NOT RECORDED.

CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT NOTE:

FIGURE 82.5-9 SEE FIGURE 2.5-298 AND FIGURE 2.5-355 FOR EXPLANATION OF SYM80LS USED ON BORING LOGS.

LOG OF BORING P-55

U.S. STANDARD SIEVE SIZE 51~ ""IN.~IN.WIN.4 10 20 40 60 IDO I!IDO I

I r

~.. *

~

0:..

Z

~ 4(

SILTY FINE TO COARSE SAND,

'\\.

z WITH TRACE OF FINE GRAVEL

~..

I I

I 0.20 I

1000 100

'0 0.'

0.0' 0.'"

GRAIN SIZE IN MILLIMETERS I

COBBLES R

sul' Oft CLAY J

COARSE FIHE COARSE IIEDIUM BORING DEPTH CLASSIFICATION NAl:WC LL PL P

L P-33A I GO.O - 60.9

/

/

5M

/ 12.3 /

/

/

J U.S. STANDARD SIEVE SIZE 51~ UI~~1N.5181N.4 10 20 4080 IDO I!IDO

... III I

r

~,.

~..

'\\.

I

~ 50 CLAYEY SILT WITH SANO, TRACE OF FINE GRAVEL

.~

z

~""

I

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~

0. 20 I

I I

1000 100

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0... '

GRAIN SIZE IN MILLIMETERS l

COBBLES R V SIll" OR CLAY I

CQARSE FINE COARSE:

MEDIUM FINE BORING DEPTH CLASSIFICATION NAl:WC LL PL P

/ P-33A 67.5'-69.0'

/

ML

/10.8

/

/

/

/

U.S. STANDARD SIEYE SIZE

.00 51N. 1.0 I~ ~1~5181N.4 10 20 40 60 IDO I!IDO

1'\\.

I I

i IC I

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COBBLES V

Sill OR CLAY I

OR

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"EOIUIl FIN BORING DEPTH CLASSIFICATION NAl:WC LL PL P

I P-33A / 72.5 -74.0'

/

5M 1 11. 5 1

/

/

/

/

CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE B2.5-10 PARTICLE SIZE ANALYSES (BORING P-33A)

l U.S. STANDARD SIEVE SIZE

'00 51M. 1.8 IN. S/l41N. 51111114 10

!O 40 10 100 IOOT,--,-..,..---,..,..,.,..r-r-r--,

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1000 100

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COelUS I COAIIS;Jn FIN:

ICOAItS£i 161111: I FINE I

StU OR CLAY I

IIfDIUM BORING DEPTH CLASSIFICATION NA,[WC LL PL P

P-!52 I 6!5.0 -66,5 I

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CLASSIFICATION NA'[we LL PL P

I I P-!52 I 66.!! -68.0 I SM I

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I U.S. STANDARO SIEVE SIZE

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• v I

COBBLES SIll' OR CLAY AftSE FIN c....

11£ I iii roN BORING DEPTH CLASSlFICATIOtI NA'tWe LL PL P

P-82 88.0 -69,5 I

SM I

I I

I I

0.001 CLINT 0 N 'POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE B2.5-11 PARTICLE SIZE ANALYSES (BORING P-52)

u.s. STANDARD SIEVE SIZE 100 SIll. 1.11"'- 5o<4"'-31811t.4 10 20 40 10 100 !DO oc I

I I

x

~ "

II

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I I

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1000 100 10 1.0 0.1 0.01 0.001 GRAIN SIZE IN MILLIMETERS I

coelLU I COAIts:

R1 Jl FIN£ IcOARH!

MilD I FIN(

I Sill Ollt CLAY I

MEDIUM BORING DEPTH CLASSIFICATION NAtWC LL PL P

1 P-52 1 69.5'-71.0 1 1

SM 1

1 I

I 1

J U.S. STANDARD SIEVE SIZE I

SIll. 1.11"'- 5o<4",-5I'811t.4 10 to 40 eo 100 !DO I

I I

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100 10 1.0 0.1 0.01 0.001 GRAIN SIZE IN MILLIMETERS I

COIBLES V

SIll' Ollt CLAY CO"$

FINE COARSE IIIIIEDIUIil FIN£ BORING DEPTH CLASSIFICATION NAtWC LL PL P

1 P-52 I 71.0 -72.5 1 Sv/-SM 1

1 1

1 1

1 u.S. STANDARD SIEVE SIZE 100 Sill. 1.11"'- 50<4111.318"'-4 10 20 40 60 100 !DO

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coelLU FINE COARSE II 01..

ftN SII,,J OR CLA' BORING DEPTH CLASSIFICATION NAtWC LL PL P

P-52 72.5 -74.0 J I

ML 111.5 1 I 1

1 J

CLINTON POWER STATION UPDATED SAF'ETY ANALYSIS REPORT FIGURE B2.5-12 PARTICLE SIZE ANALYSES (BORING P-52)

u.s. STANDARD SIEVE SIZE I

SIll. UlIN. SMIIlSlllIN.4 10 to 4010 100 I!DO II\\.

'\\.

I I

z:

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z

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~ "

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I I'.

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1000 10 1.0 0.1 0.01 0.001 GRAIN SIZE IN MILLIMETERS I

coeIC.n I Clt!!tS:urn 'I!!£ Iwltul M!1I1 I I

Sill' Ott CLAY I

M[DIUM FIN£ BORING DEPTH CLASSIFICATION NA"[WC LL PL P

I P-52 I 72.5'-74.0 I SM I

I I

I I

I U. S. STANDARD SIEVE SIZE I

5111. LIIIlllHIIlSlllIH.4 10 to 4010 100 I!DO II I

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coa.... E$

I ~SI8ATII FIN£ ICOAftS£1 IIEDI~flQ I

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BORING DEPTH CLASSIFICATION NAtWC LL PL P

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I I

I CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE B2.5-13 PARTICLE SIZE ANALYSES (BORING P-52)

U. S. STANDARD SIEVE SIZE 3 III. 1.1 IN. 3M IN. !l81M.4 10 20 40 ao 100 200

~

I

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1000 100

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COS.LES I co.utsl"f (L F I N£ ICOA"sti MfUI: I I

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.. tDIUM FIHE BORING DEPTH CLASSIFICATION NA"[we LL PL PI L P-152 L BO.O'-81.15 SM-SW,

U. S. STANDARD SIEVE SIZE

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z:

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MEDIUM FINE BORING DEPTH CLASSIFICATION NA"[WC LL PL P

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I CLINTO N POWER STATIO N UPDATED SAFETY ANALYSIS REPORT FIGURE B2.5-14 PARTICLE SIZE ANALYSES (BORINGS P-52 AND P-54)

U.S. STANOARO SIEVE SIZE 10<

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I P-!54 I 78.0

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I CLINTON POWER STATION FINAL SAFETY ANALYSIS REPORT FIGURE 82.5-15 PARTICLE SIZE ANALYSES (BORING P-54)

U.S. STANDARD SIEVE SIZE 100 3 IN. 1.5 IN. 314 IN. 3/8 IN. 4 10 20 40 60 100 200

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Site Stratigraphic Column

_r_d£4",

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~ ~ '"

1-0 I

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G1QJ;f!t!'oH Wonaee:£nn CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT Figure C2.5-1 Page 1 of 2 SITE STRATIGRAGHIC COLUMN VJotL6"C

Site Stratigraphic Column Notes

1. Vertical scale does not represent either relative thickness or stratigraphic units or relative duration of time interval.

2. Excavations for the Clinton Power Station did not extend below the unaltered Glasford Formation.

3. Illinoian-age till of the Glasford Formation was subjected to a significant period of weathering during the Sangamonian Stage and Altonian Substage.

4. Deposits of Cahokia Alluvium and Henry Formation were not differentiated; reported approximate thicknesses of each unit represents a combined thickness for both deposits.

5. The Holocene Stage is represented by a significant period of weathering and development of agricultural soil profiles.

6. The Cahokia Alluvium and Henry Formation were mapped as a single unit. The Cahokia Alluvium is Holocene and, quite possibly, in part Valderan/Twocreekan in age; the Henry Formation is Woodfordian (probably early) in age. The Wedron Formation is probably early Woodfordian.

7. Locally, the Peyton Colluvium rests directly on the Glasford Formation.

Stratigraphic Description Stratigraphic Unit Approximate Thickness General Description Cahokia Alluvium 0-35 feet Alluvium: Poorly sorted silt, clay, and silty sand with lenses of sand and gravel. (CL to SM)

Peyton Colluvium 0-10 feet Colluvium: Brown clayey silt with minor amounts of gravel. (ML to CL)

Richland Loess 0-10 feet Loess: Brown clayey silt, trace fine sand. (ML to CL)

Henry Formation 0-33 feet Glacial outwash: Yellow-brown fine to coarse sand and gravel, with pockets of gray-brown silt, sandy silt, and silty clay. A lag gravel is often present at the base. (SM, SW, SP, SM-SW, SP-SW)

Wedron Formation 20-55 feet Till: Brown silty clay to clayey silt, some interspersed fine to coarse sand, trace fine to coarse gravel, with pockets of brown fine sand, sometimes silty, trace fine gravel. Grades to gray clayey silt, some fine to coarse sand, trace fine gravel with pockets of fine to coarse gray sand, trace fine gravel. (ML to CL)

Robein Silt 0-2 feet Loess (deposited in water): Dark brown organic silt, trace clay, trace fine sand.

Locally consists of peat. (ML to CL)

Weathered Glasford Formation 10-15 feet Till: Gray silt grading to clayey silt, trace fine sand.

Grades to gray-green silty clay or clayey silt, some fine to coarse sand, trace fine to coarse gravel.

More sand and gravel with depth. Slightly to highly calcareous. (ML to CL)

Unaltered Glasford Formation 90-140+ feet Till: Dark gray clayey silt, some interspersed fine to coarse sand, highly calcareous, trace fine to coarse gravel with pockets of gray sand, fine to coarse.

(ML-CL to SM)

CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT Figure C2.5-1 Page 2 of 2 SITE STRATIGRAGHIC COLUMN

Comparison of Terminology Used For The FSAR and PSAR Notes

1. The Cahokia Alluvium, Peyton Colluvium, and Henry Formation consist of alluvial and outwash deposits and are confined to the valley of the North Fork of Salt Creek.

2. Vertical scale does not represent either relative thickness of stratigraphic units or relative duration of time interval.

Stratigraphic Units Time Stratigraphy FSAR PSAR Holocene Stage Cahokia Peyton Alluvium Colluvium Salt Creek Alluvium or Flood Plain Alluvium and Recent Channel Deposits Valderan Substage Twocreekan Substage Richland Loess Loess Woodfordian Substage Wedron Formation Henry Formation Farmdalian Substage Robein Silt Wisconsinan Till or Wisconsinan Glacial Till Wisconsinan Stage Altonian Substage Sangamonian Stage Weathered Glasford Formation Interglacial Zone or Sangamon Interglacial Zone or Sangamon Soil Interval Illinoian Stage Unaltered Glasford Formation Illinoian Till or Illinoian Glacial Till CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT Figure C2.5-2 COMPARISON OF TERMINOLOGY USED FOR THE FSAR AND PSAR

/

........ ~...

,<:';;4':""

106'0)

J SCALE IN ~T

./

~.

"'~

\\

\\../

CLINTON POWER STATION FINAL SAFETY ANALYSIS REPORT FIGURE C2.5-3 GENERAL LOCATION MAP

I.lJ Z

J LIJ CI) <<

m

x::

I-

> o CI)

I

x::

I-0:

o Z

'True, North 1- -------. --- - ----'---- ---,-

I I

I 1

1 I

I

__ I I

I RADWASTE I

BUILDING I

~

1 I

m i l 0:

I I

~

TURBINE 1---- --------1

~

I I

BUILDING

....J

x::

I 1

....J I

MACHINE SHOP I

.~

I AND OFF-GAS I

-0' 1

BUILDING 1

I

~

I 1

I

~

I 1

I

~

l--AUXILIARY -~------ ----1

-I BUILDING I

CONTROL I

1 I

I I

,/" --.....,

I BUILDING I

ISERVICEI /,

1 I

I BUILDINGI I

\\

1--- - -- -- - --I I.

I ICONTAINMENT' :

I I

I \\

BUILDING I I DIESEL GENERATOR I

--- -~ \\

UNIT I

/

I 8H.V.AC.BUILOING I

I "1

I I

I 1-----------1 I

FUEL I

BUILDING 1 __________ 1 SOUTH WALL {FIGURE C2.5-9}

Plant No'r:fh E.AST-WEST BASE LINE (APPROX.)

100 500 50 100

~~e TtlF~

REV. 3 SEPT. 1991

....J

....J <<

3:

CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE C2. 5-4 EXCAVATION PLAN OF THE POWER BLOCK AND LOCATIONS OF GEOLOGIC SECTIONS

-:R x

N 0 a:

3:1

a.

J: a.

I- <<

)

0 w

(f)

Z I

i

J:

I-w a:

(f) 0 z

OJ

'-----176'----l.

NOTE See Figures C2.5-11, C2.5-12, C2.5-14 and C2.5-15 for geologic sections.

0 100 200 Scole in Feet CLINIC> N ipOWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE C2.5-5 EXCAVATION PLAN FOR THE CIRCULATING WATER SCREEN HOUSE

_---NORTH ABUTMENT (FIGURE C2.5-18 AND C2.5-20)

<D

~

<:(

w a:::

I-en z g w

o en Ul 0::

r-en a..

':j SUBMERGED DAM SOUTH ABUTMENT (fiGURE C2.5-13 AND C2.5-19)

BOUNDARY OF ULTIMATE HEAT SINK

/BAFFLE DIKE

/'. NORTH SIDE (FIGURE C2.5-17)

SOUTH SIDE (FrGURE C2.5-17)

BOTTOM OF HEAT SINK - EL.668.5 FT.

TRUE NORTH PLANT NORTH a

Scale in feet 500

t.

SCREENHOU$E OUTLET STRUCTURE (FIGURE C2.5-22)

BAFFLE DIKE ABUTMENT (FIGURE C2.5-21)

CLINTON POWER STATION UPDATED SAFETY ANALYSIS RlPOIllT FIGURE C2. 5-6 PLAN VIE\\~ OF THE UL TlMATE HEAT SINK

~ 740

-I en

~

720 Q)

Q) c:

.;; 700

~

~

iii 680 I

looE LEGEND STRATIGRAPHIC CONTACTS Contacts between formations Outline of sand deposit REFERENCE POINTS I

200E o

Wedron Fm.! Robein Silt contact El Robein Silt/Weath. Glasford Fm. contact Weath.Glasford Fm.lUnalt. Glasford Fm.

contact x

Sand location (f)

(f)

W o

~

I 300E NORTH WALL I

400E R

East and West Plant Coordinates (Feet)

See Figure No. C2.5-4 NOTES I. Location of this figure is shown in Figure C2.5-4, see also Figure No. C2.5-3.

2. Descriptions and ages of stratigraphic units are presented in Figure C2.5-1.

3. Limits of excavation and slopes shown in geologic section are approximations.

4. Due to radial photography from center of excava-tion, photo mosaic is not to scale.

5. Contacts between stratigrap~ic units and limits of sand deposits are approximated between control points.

6. The Robein Silt is a generally 2 t04 foot thick layer of organic silt between the tills of the Wedron and Glasford Formations.

<S() WEDRON FORMATION C) ROBEIN SILT c;::>

WEATH. GLASFORD FORMATION Bottom of Excavation I

600E I

700E 2~ 1M! 9 2,0 4f Scale in Feet (See Note 4) 60 I

740 :J en

~

720 ~

c:

700 ~

o >

~

680 w CLINTO N POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE C2.5-7 GEOLOGIC SECTION AND PHOTO MOSAIC OF THE NORTH WALL OF THE POWER BLOCK EXCAVATION

EAST WALL

~740 1-----------------------------------------------------------------------------------------------------------______________________________________________________________ ~

~

..J 740 (f)

~

Qj 720 Q) -

c c 700

.2 o >

~ 680 w

WEDRON FORMATION CROBEIN SILT

@j WEATH. GLASFORD A

~

Xc X UNALTERED GLASFORD FORMATION LEGEND I

800 N STRATIGRAPHIC CONTACTS Contacl s between formations Outline of sand deposit R E FE RENCE POI NTS

<9 Wedron Fm.lRobein Silt. contact I

700 N I

600 N I

500 N North and South Plant Coordinates ( Feet)

See Figure No. C2.5-4 NOTES I. Location of this figure is shown in Figure C2.5-4, see also Figure No. C2.5-3.

2. Descriptions and ages of stratigraphic units are presented in Figure C2.5-1.

3. Limits of excavation and slopes shown in geologic section are approximations.

8 Robein Silt / Weath. Glasford Fm contact.

4. Due to radial photography from center of excava-tion, photo mosaic is not to scale.

8 Weath. Glasford Fm./Unalt. Glasford Fm.

contact.

X Sand location

5. Contacts between strat igraphic units and limits of sand deposits are approximated between control points.

6. The Robein Silt is a generally 2 to 4 foot thick layer of organic silt between Ihe tills of the Wedron and Glasford Formations I "'------Bottom of 400 N Excavation c:::::::::.

720 ~

c FORMATroN

§

-X 700.~

.2 "0

I 300 N Scole in Feet (See Note 4) 200 N 60 680 ~

w

~--.,---------------.----- -.. -'-.-~-

l CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE C2.5-8 GEOLOGIC SECTION AND PHOTO MOSAIC OF THE EAST WALL OF THE POWER BLOCK EXCAVATION

]740 (f)

~

':;::720

<II J?

.~

.12700

'0

<II w680 SOUTH WALL CL

~

0::

r-----------~--------------------------------------------------------------------------------------------------------~r_740 ~

en f\\

WEDRON FORMATION

~---------------------------------V~~~~Lt~~R~OlB~E~IN~SI~LT~r-__==::::~ __ _

WEATH. GLASFORD FORMATIO a-------& ------~

700E LEGEND S TRA TIGRAPH Ie CONTACTS Contacts between formations Outline of sand deposit REFERENCE POINTS 8

A x

Wedron Fm.lRobein Silt contact Robein Silt /Weoth. Glasford Fm. confact.

Weath. Glasford Fm.lUnalt. Glasford Fm.

contact Sand location UNALTERED GLASFORD FORMATION I

roOE I

500 E I

400E East and West Plant Coordinates (Feet)

See Figure No. C2.5-4 NOTES J. Location of excavation shown in Figure C2.5-4, see also Figure No. C2.5-3.

2. Descriptions and ages of stratigraphic units are presented in Figure C2.5-1.

3. Limits of excavation and slopes shown in geologic.

section are approximations.

4. Due to radial photography from center of excava-tion, photo mosaic is no t to scale.

5. Contacts between stratigraphic units and outlines of sand deposits are approximated between control po"i nts.

6. The Robein Silt is a generally 2 t04 foot thick layer of organic silt between the tills of the Wedron and Grosford Formations.

~~Bottom of Excavation 200E 100 E 20 0

20 40 60 III.'

Scale in Feet (See Note 4)

~

720 ':;::

<V

~

.~

700 5

~

<V 680 W CLINTO N POWER STATION UPDATED SAP'ETY ANALYSIS RIPORT FI GURE C2. 5-9 GEOLOGIC SECTION AND PHOTO MOSAIC OF THE SOUTH WALL OF THE POWER BLOCK EXCAVATION

J 740 CI)

~

720 -

5700 iii 680

"'----9 LEGEND I

200N S TRA TIGRAPH IC CONTACTS Contacts between formations Outline of sand d epo sit REFERENCE POINTS o

Wedron Fm.lRobein Silt contact E1 Robein Silt/Weath. Glasford Fm.

contact, o

Wedron Fm.lWeath.Glasford Fm.

contact.

Weath.Glasford Fm.lUnalt.Glosford Fm.contact.

I 300 N CD o

o WEST WALL

'--.....,x~-W'1'\\

WEDRON FORMATION ROBEIN SILT 740 :J CI) 6 720 "* -

.~

~------------------~---------------Im~--------------~~

~0-------~~r--:-~-------~,--_-,

WEATH. GLASFORD FORMA ON 700 § c >

<D NOTES I

400N I

500N North and South Plant Coordinates ( Feet)

See also Figure No.C2.5-4 I. Location of excavation shown in Figure C2.5-4, see also Figure No. C2.5-3.

2. Descriptions and ages of stratigraphic units are presented in Figure C2.5-1.

3. Limits of excavation and slopes shown in geologic section are approximations.

4. Due to radial photography from center of excava-tion, photo mosaic is not to scale.

5. Contacts between stratigraphic units and outlines of sand deposits are approx imated between control points.

6. The Robein Silt is a generally 2 to 4 foot thick layer of organic silt between tills of the Wedron and Glasford Formations.

7.

The Robeln Silt has been locally removed by erosion between approximately 220N t0300N.

I 600 N UNALTERED GLASFORD F RMATION 680 W I

Bottom of 700 N Excavation 20 J

800 N o

20 40 60 Scale in Feet (See Note 4)

CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE C2. 5-1 0 GEOLOGIC SECTION AND PHOTO MOSAIC OF THE WEST WALL OF THE POWER BLOCK EXCAVATION

J U)

~

PLANT WEST 740 730 720 710

_ 700 4D CD -

.s c: 690

~

c >

CD iii 680 670 660 650 SAND WEDRON FORMATION WEATHERED GLASFORD FORMATION

/

CAHOKIA ALLUVIUM - HENRY FORMATION

/' -

- ~~

(UNDIFFERENTIATED)

./ /'

SAND

(~

/'

~

SAND,

~

UNALTERED GLASFORD FORMATION SAND FLOOR OF EXCAVATION EL. 653 FT.

I I

I I

650W 600W 550W 500W 450W 400W 350W 300W LEGEND Contact between stratigraphic units.

-Inferred contact between stratigraphic units.

Contact between sand or silt deposits.

X.

Survey point (DISTANCE WEST OF NORTH-SOUTH BASE LINE)

SEE FIGURE No. C2.S-S NOTES I. Location of this geologic section is shown in Figure C2.5-S,see also Figure No. C2.S-3.

2. Description and ages of stratigraphic units are presented in Figure C2.S-1.

3. Limits of excavation and slopes shown in geologie section are approximations.

4. Some ramps and cuts in the excavation have been omitted for clarity

5. View is to plont north.

o I

50.

Scole in Feet Vertical E l(aggeratlon = 2 X PLANT EAST 740 730 720 710

J U) 700 ::!!c

+-

CD I) -

690.S c:

S g CD 680 w 670 660 650 I

250W C.L1NT 0 N POWER STATIO N UPDATED SAf'ETY ANALYSIS REPORT FIGURE C2. 5-11 GEOLOGIC SECTION OF THE NORTH WALL OF TijEi SCREEN HOUSE EXCAVATION

J en

E PLANT NORTH 740 730 720 710

- 700

?

c 690

.2 c;

~

1&.1 680 670 660 650 PLANT SOUTH 740 APPROXIMATE PRE-EXCAVATION GROUND SURFACE SAND 730 720 WEDRON FORMATION 710

J en 700

E C * -

ROBEIN SILT 690

.5 c:

0 0 >

WEATHERED GLASFORD FORMATION

~ - -- - -- -

(

SAND:::S - C SAND) 680 IJJ I

550N LEGEND I

500N

-- Contact between stratigraphic units I

450N

--Inferred contact between stratigraphic unit.

--- Contact between sand or silt deposits.

X Survey point UNALTERED GLASFORD FORMATION SAND--,.

c X

"")c

~_---~---.;)~(

_~x:::::::::::::...

~ C SAND J

.. ~

SAND

~\\::::SAND 670 C> J

.oc=-SAND

)(

c:::eSAND ORGANIC SILT FLOOR OF EXCAVATION - EL.653 FT.

I 400N I

350N I

300N I

250N

( DISTANCE NORTH OF EAST-WEST BASE LINE)

SEE FIGURE No. C2.5-5 NOTES I.

Location of this geologic section is shown in Figure C2.5-5, see also Figure No. C2.5-3.

2. Description and ages of stratigraphic units are presented in Figure C2.5-1.

3. Limits of excavation and slopes shown in geologic section ore appraximatjons.

4. Some ramps and cuts in the excavation have been omitted for clarity.

5. View is to plant east.

I 200N I

150N o

I lOON Scale in feet Vertical Exaggeration=2X 660 650 I

50N CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE C2. 5-12 GEOLOGIC SECTION OF THE EAST WALL OF THE SCREEN HOUSE EXCAVATION

EAST 725 715 705

~ 695 l-IIJ IIJ...

~

z 0

~ 685 IIJ

...J IIJ WEDRON FM.

SILT LENS ROBEIN SILT

\\\\£ATHERED GLASFORD WEST 725 TOP OF EXCAVATED 3: I SLOPE 715 705 SAND LENS::::::,

695 en

IE I-IIJ IIJ...

~

FM.

z 0

685 ~

IIJ

...J IIJ 675 675 665 655 NOTES UNALTERED GLASFORD FM.

ORGANIC SILT AND SAND UNALTERED GLASFORD FM.

I. REFER TO FIGURE C2.5-2 AND C2.S-1 FOR DE.SCRIPTIONS AND AGES OF STRATIGRAPHIC UNITS.

2. REFER TO FIGURES C2.5-3, C2.5-6 AND C2.5-19 FOR LOCATION OF GEOLOGIC SECTION.

UNALTERED GLASFORD FM.

W / 0 R GA N I C S

____ ::::::=:::::::::::::::::--

SAND SAND o

10 20 30 "10 5

I HORIZONTAL SCALE IN FEET VERTICAL EXAGGERATION = 4X 65 655 CLINTO N POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE C2 5 5-13 GEOLOGIC SECTION OF THE SOUTH ABUTMENT OF THE ULTIMATE HEAT SINK DAM EXCAVATiON

PLANT EAST 700

]690 en

~

CD

~ 680 660 650 PRE-EXCAVATION GROUND SURFACE PLANT WEST 690 680 ~

~

CAHOKIA ALLUVIUM -

HENRY FORMATION Q)

Q)

(UNDIFFERENTIATED) 670 -

ORGAN2::~S~A~:-~DY~Si¥It.~T--**-* '_" __ '_'=' =' :.... ~.............................. ~

• HE*,:,;:*siNK*BOiiO;.;*EL*.66S:; ~

~AND

.f:

c o 660 ~

Q)

')

LEGEND I

350W

-- Contact between stratigraphic units.

I 400W

-- Inferred contact between stratigraphic units.

Contact between sand or silt deposits.

FLOOR OF EXCAVATION - EL653 FT.

I 450W I

500W I

550W (DISTANCE WEST OF NORTH-SOUTH BASE LINE)

SEE FIGURE No C2.5-5 NOTES l

Location of this geologic section is shown in Figure C2.5-5, see also Figure No. C2.5-3.

2.

Desription and ages of _stratigraphic units are presented in Figure C2.5-1.

3. Limits of excavation and slopes shown in geologic section are approximations.

4. View is to plant south.

I 600W 650 jjJ o

.50 Scale in feet Vertical Exaggeration = 1.5X

. CLINTO N POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE C2. 5-14 GEOLOGIC SECTION OF THE SOUTH WALL

.OF THE SCREEN HOUSE EXCAVATION

PLANT SOUTH 690

~ 680 Q)

Q)

.5 670 c

~

o >

~ 660 w

650 LEGEND I

50N Inferred contact between stratigraphic units.

PRE-EXCAVATION GROUND SURFACE CAHOKIA ALLUVIUM -

HENRY FORMATION (UNDIFFERENTIATED)

HEAT SINK BOTTOM - EL.668. 5 FT.

I lOON I

150N GLASFORD FORMATION FLOOR OF EXCAVATlON-EL.653 FT.

I 200N I

250N I

300N (DISTANCE NORTH OF EAST - WEST BASE LINE)

SEE FIGURE No. C2.S-S NOTES I.

Location of this geologic section is shown in Figure C2.S-5, see also Figure No, C2.5-3.

2. Descrption and ages of stratigraphic units are presented in Figure C 2.5.-I.

3. Limits of excavotion and slopes shown in geologic section are approximations.

4. View' is to plmt west

?

J 350N Scole* in feet 5.0 I

400N Vertical Exaggerat~on =2X PLANT NORTH 690

J 680 en

~

"i Q) 670.5 5

~

g 660.!!

W 650.

. CLINT a N POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE C2.5-15 GEOLOGIC SECTION OF THE WEST WALL OF THE SCREEN HOUSE EXCAVATION

711. 9

~ 680

...J (f)

Ii I-670 IL t!j IL.

'12

~

z 660 20A

+

0

+

~

LLI

...J 650 LLI

)

r

J 680 (f)

E I-LLI 670 LLI IL.

~

z TOP OF SLOPE (DOWNSTREAM GRADE-UHS DAM EL.670')

CAHOKIA ALLUVIUM HENRY FM.{UNDIFFERENTIATED) 27A 24A 26A 25A

+

<B

~

UNALTERED GLASFORD FM (UNWEATHERED ILL. TILL)

+---+---+---+---+~+---+/+

DOWNSTRE"AM SIDE (BOTTOM OF HEAT SINK EL.668.5)

CAHOKIA ALLUVIUM HENRY FM.{UNDIFFERENTIATED)

I

~I TOP OF SLOPE Cl' 6.80 ~

...J (f)

E 670 ti LLI IL.

z 660 ~

~

LLI

...J 650 LLI lL o

C/)

732',0---'"

X <<

z -,

01 Z

W m 6S0

...J (f)

E 670 I-LLI*

LLI IL.

~

660 0

(!)

~+

~

(!)

~

.---<f)------fS8

--<+/-}--+---+-+-+-+--+-+

7A UNALTERED GLASFORD FM (UNWEATHERED ILL. TI LL) 660 z 0

LLI

...J LLI 650 TRUE NORTH LEGEND

+

~3+S2 100R 4A 20A

~

ON 1,276,635 E

354,760

+

24+43 96L o

o

+

V N

EB 4A 0 0 +-

It)

N 5A

If 23A 21A E9 EB 5A 0

0 0

0

+

+

N N

N 68 o

o +

2

+

POINTS TAKEN FROM SUBGRADE PROFILES EB POINTS FROM GEOLOGIC MAPPING

-+

ED SU8GRADE EXCAVATION LINE 2+00 STATIONING ALONG CENTER LINE OF DAM UPSTREAM SIDE DOWNSTREAM

+

26A EB 24A 2~A

<f)

<:!j 27A E9

+

+

t

+

+

+

x END POINT N-t,278,859.21 X

/

E 354,5S0.S0

+ ~

X S

650 LLI

...J LLI G:: SUBMERGED DAM NI,278,680 _

/

E 354,760~*

P.1.

x

+

+

(+/-)

7A S8 0

0 0

0 0

0 0

0 0

0 0

0 0

0

+

+

+

+

+

+

+

~

t:

~

!!l

t

~

NOTES UPSTREAM L

Descriptions and ages of.stratigraphic units are presented in Figure C2.5-i.

2.

See Figure Nos. C2.5-3 and C2.5-6 for location.

~

9A I

o.

0 +

~

+

~

o o +

+

o o +

Q

+

8

+

01

+

o o +

<Xl

+

o o

+

+

o o +

U) 200 0

200 I

I HORIZONTAL SCALE IN FEET VERTICAL EXAGGERATION = lOX

+

8

+

10 CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE C2. 5-16 GEOLOGIC SECTIONS AND PLAN VIEW OF THE ULTIMATE HEAT SINK DAM EXCAVATION

WEST NORTH SIDE BAFFLE DIKE I-

\\£J 690

\\£J LL.

!: 680 z

670 (BOTTOM OF HEAT SINK EL.668.5) 0 i= 660

+

,CAHOKIA ALLUVIUM HENRY FM.{UNDIFFERENTIATEDl

'i

+-+ _______ +-+'--"""--1---+-+-1"-+--+--+--+-+- -......+

IJJ 650

-l 8-1 C-I E-I G-I I-I K-I M-I 0-1 Q-I S-I U-I W-I Y-I AA-I CC-I 00-1 -+

FF-I MM-I IJJ WEST t:i 690 IJJ LL 680

~

UNALTERED GLASFORD FM (UNWEATHERED ILL. TILL)

SOUTH SIDE BAFFLE DIKE CAHOKIA ALLUVIUM HENRY FM,(UNDIFFERENTIATED)

BOTTOM OF HEAT SINK EL. 668.5

~ 670 fi 660 IJJ

+--h.." S8-3 ~+-+

S8-1 S8-2 ~--r", S8-4 S8-5 S8-10 JS8-IOX

{!8-15X

+-+-... ___ -I~'-_+_

/.+-+,-+-+----I!, S8-16 PT,I S8-6 S8-7 ~'I'

$8 II ~---- S8...,12 S8-13 S8.;..14 S8-15

~T""

iii 650 S8-2 S8-3X "100 NOTES I.

Baffle dIke as located by plant coordinates.

2.

Descriptions and ages of stratigraphic units are presented In Figure C2.5-1.

3.

See Figure Nos. C 2.5-3 and C 2.5 - 6 for locations.

4.

2900W Plant coordinates (feet).

LEGEND

+ Subgrade location.

S8-8 S8-9

\\

Irr.'

S8-IOY I 'S8-r7X

$8-17 UNALTERED GLASFORD FM.

58":'16"100 (UNWEATHERED ILL. TILL)

S8-10

+:

S8-S8-11 +-t lOY' q..

S8-10 S8-1 400 o

400 I

HORIZONTAL SCALE IN FEET VERTICAL EXAGGERATION = lOX I,

EAST 690 I-IJJ IJJ 680 LL

~

670 z 0

660

~

IJJ 650 -l IJJ EAST 690 I-IJJ IJJ 680 LL

~

,670 z 0

660 ~

IJJ 650 -l IJJ N 1,276,970.655 E 359,353.185 CLiNTO N POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE C2. 5-17 GEOLOGIC SECTIONS AND PLAN VIEW OF THE ULTIMATE HEAT SINK BAFFLE DIKE EXCAVATION

(

Jiiiiiiiiiiii!iiiiiW-Z J'"

I o - -

50 I

I SCALE IN FEET NOTE 680 See figure numbers C2.5-3 and C 2.5-6 for location.

CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE C2.5-18 EXCAVATION PLAN OF THE NORTH ABUTMENT OF THE ULTIMATE HEAT SINK DAM

I

~

__ iir-:Z J I

720 3:1 SLOPE 700 o

I SCALE IN FEET

)

1II1oJa.+1-+--- EL. 658' ------

~~--------~--------~

1/2 : 1 SLOPE NOTE See figure numbers C2.5-3 and C2.5-6 for location.

CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE C2.5-19 EXCAVATION PLAN OF THE SOUTH ABUTMENT OF THE UL TmATE HEAT SINK DAt~

..J (J)

WEST 735..,

705 695 -

(TOP OF EXCAVATED 2:1 SLOPE

~El.735.6 t

WEDRON fM.

ROBEIN SILT WEATHERED GLASFORD FM.

EAST

)-

I-705 r 695

..J (J)

I-w W

I-w W

lL z 685,-

-, 685 lL Z

z o

~

W

..J w

SAND LENS 675 WEATHERED GLASFO~

UNALTERED GLASFORD FM.

ORGANIC SILT,+

c..INORGANIC SILT Z

665 WEATHERED GLASFORD FM.

UNALTERED GLASFORD FM.

-675

-665 Z

Q I-W

..J w

I I

655 655 o

10 20 30 1", eM awl HORIZONTAL SCALE IN FEET VERTICAL EXAGGERATION = 3X NOTES I: 'REFER TO FIGURE C2.5-1 FOR DESCRIPTIONS AND AGES OF STRATIGRAPHIC UNITS.

2. REFER TO FIGURES C2.5-3, C2.5-6 AND C2.5-18 FOR LOCATION OF GEOLOGIC SECTION.

CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE C2.5-20 GEOLOGIC SECTION OF THE NORTH ABUTMENT OF THE ULTIMATE HEAT SINK DAM EXCAVATION

PLANT NORTH 71q 700

J 690 (J)

~ -

CD rt. 680 LIMIT OF EXCAVATION EL. 710 FT.

WEDRON FORMATION ROBEIN SILT WEATHERED GLASFORD FORMATION

.=

c o

~ 670

~

Lij 660 650 640 UNALTERED GLASFORD FORMATION _______

SAND OF EXCAVATION LEGEND t

CENTER LINE OF BAFFLE DIKE

---Inferred contact between stratigraphic units.

-- Contact between sand or silt units.

X Survey point NOTES J

I Scole in feet.

50 Vertical Exaggeration = 2X I.

Location of this geologic section is shown in Figure C2.5-6, see also Figure No. C2.5-3.

2.

Description and ages of stratigraphic units are presented in Figure C2.5-1.

3.

Limits of excavation and slopes shown PLANT SOUTH 710 700

. ~

690

..J

.(J)

CD 680 CD IL.

.=

c

• . 2 670 -

c >

I&J 660 650 640 in this geolo'gic section are approximations.

4.

View is to plan~ west.

CLINTO N POWER STATION UPDATED SAFETY ANALYSIS REPORT FIGURE C2. 5-21 GEOLOGIC SECTION OF THE BAFFLE DIKE ABUTMENT EXCAVATION

TRUE NORTH 700 690

-I In

!: 680 Gi Q)

LL

.=

c: 670

.2 "6

~

lIJ 660 650 LEGEND GROUNO' SURFACE PEYTON COLLUVIUM

__ -)E---

ORGANIC SILT GLASFORD FORMATION ~

ORGANIC SILT FLOOR OF EXCAVATION - EL.655 FT.

- - _ Inferred contact between stratigraphic units

-- Contact.between silt units X

Survey.point NOTES TRUE SOUTH 700 690

-I In 680~

~

If

.=

670 g 660 650

s Q) w I.

Location of this geologic section is shown in Figure C2.5-6, see also Figure No. C2.5-'l

2. Description and ages of stratigraphic units are presented in Figure C2.5-1.

3. Limits of excavation and slopes shown o

50 Scale in feet Vertical Exaggeration = 1.5X in this geologic section ore approximations.

4. View is to true east.

CLINT 0 N POWER STATIO N UPDATED SAFETY ANALYSIS REPORT FIGURE C2. 5-22 GEOLOGIC SECTION OF THE SSWS:

OUTLET STRUCTURE EXCAVATION

SCREEN HOUSE P.lont North I

I I

. I

\\

\\

\\

\\

\\

\\

\\

\\

\\

\\

\\

\\

NORMAL POOL EL. 690 POWER BLOCK EXCAVATION

( FIGURE-C2.5-4)

IOE,°::::JI...

5i::0::::JI..-j-?t::=====-__

I?O Scale in feet LEGEND 1::-;;:-:;1 Sand deposits-Wedron Formation HI1IIIIIIJ Robein Silt

--- Approximate contact of Robein Silt NOTES I. Sand deposits exposed in SSWS

\\

piping excavation are discontinuous.

2. SSWS tpiping subgrade consists of Wisconsian - age till of the Wedron Formation.

3. See fioure No. C2.5 -:3 for location.

CLINTO N POWER STATION

- UPDATED SAFETY ANALYSIS REPORT FIGURE C2.5-23 EXCAVATION PLAN FOR THE SSWS BUILDINr,