16 21 22 17 18 19 20 750 t 750

3 740

* 730

720

Q DESIGN WATERTABLE 3- WATER 1 ABLE { 24HRf MH SOIL CLASS~FICAT~ON 13 BLOW COUNT

~ SOIL(SEE NOTE) POTEN TI ALLY 11 Q U E Fl A B L E:

,WS WEATHERED SHALE

ORIGlNAL GRADE I

i n

740

FINAL GRADE

f I

730 SS-IT'? 728.0 SS- 58 1

m . 5 1 7-

-- I 1 I? +GM

720 a P I

NOTE: LlQUEFACTlON BASED O N TOP OF GROUND ACCELERATION OF0.22g AND SEE- IDRISS (1981) CORRELATION FOR S A N D S .

710 I I

CLASS I~ .# BACKFILL

DISCOIJTLNUED

690

I

I Added by Amendment 50 680

670 I 660

WATTS B A R NUCLEAR PLANT FINAL SAFETY

ANALYSIS REPORT 670

CATEGORY I ELECTRICAL CONDUITS SECTION F-F SHEET 2 OF 2 FfGURlE 2,5-554

660

F- F