ML17298B594

Suggests Agenda for 840822 Site Visit for Geotechnical Review of Repts on Condition of Backfill After Pipe Breaks. List of Tour Attendees Encl

ML17298B594
Person / Time
Site:	Palo Verde
Issue date:	08/31/1984
From:	Wagner J ARMY, DEPT. OF, CORPS OF ENGINEERS
To:	Kane J Office of Nuclear Reactor Regulation
Shared Package
ML17298B592	List: ML17298B594
References
NUDOCS 8412070522
Download: ML17298B594 (5)

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UVC L4S SUBJ PALO VE'? DE NUCLE4R POSER PLA VT, PHOEVIX ARIZON4, GEOTFCKVICAL

'? EVI EII! OF REPORTS ON CONDITIOV OF BACKFILL AFTER PIPE LEAKS

1. 1HE FOLLOPI VG 49ENDA IS SUGGESTED FOR THE PROPOSED SITE VISIT TEVT4 TI VELY SCHEDULED FOR 4 UG UST ZZ y3 19P4 RY ONE - VISI T SITE

4. <AULD LI'<E TO SEE 4LL KNO'4N EXIT POI NTS FOR E4CH LE4K ~

B ~ IF POSSIBLE IRULD LIKE TO SEE CONDITION OF FILL I V AREAS ')IHFRE IT II4S SATUI?ATED BY LE4K4GE 4VD I V UVDISTURBED ARE4S .

DAY T'I!0 - >EETI VG I),'I TH PEO LE I 4IY!I LIAR Ii>I TH DES IG N COVSTRUCTIO'V, LE4K4GE PROBLEM, FOUVD4TIOV COVDI TIOVS, O'JD GROUTI JG.

2. 1HE FOLLO'I!I VG QUESTIONS 4ND CO Il"IF.VTS 4'?E QUASI:0 ON THE FIRST LOOK A T THE N TERIAL FLP NI SHED FOI? I? EVI <V:

< ~ I V ~ESPOVSE TO hRC QUESTION Is3, STATE'le VT IS II'ADE THA T OVLY OVE EXI T POI VT FOR L 4KAG E 'XCU'?DEO (I VTO SEISMIC G4P) .

'VHKRE 'iIAS SEEPAGE NOTED OV TKE SURFACE AS RE?0'?TED I N THE NI.I)ISP4PEI? 2 B. DURI JG THE GI?OUTI VG P>OGRA I T IS NOTED THAT THE L4~GI ST 1

EXCESS GROUT TAKE KCUR'? EO AT UNIT P3 ~ NO ERODED FILL N!4TEI?I4LS

'IIER~ (8SKVED AT THE PEI'ORTED EXIT POI NT FOR THIS LE4K . UVDETECTED PIPI VG "AY HAVE OCCU'?RED ~ "HAT 4>E POTENTI4L COVSEI'UE'RES OF UNDETECTED ROSION OF'ILL IN TKIS 4VD OTHEI. ARE4S2 C. NO DISCUSSIOV OF SETTLE"IEVT OF EQUIPRIEVT H4TCH OR" POTEVTIAL LOSS OF SUPPORT UVDEn THIS STRUCTlPE OR THE 4DJACFVT I)!ING OF THE A UXILIARY BUI LDI NIG 4ND OTHE~ IIIE4I?I3Y STRUCTURES IIAS

?ROVI DED. EXPLAI N IIMY THIS II!4S NOT NEC ESS4RY COVSI DER I IIG THE LE4KAGE THAT EXITED I VTO THE SETTLE'IIENT HATCH 4VD THE POSSIBILITIES OF UVDETEC TED EROS I 0 V ~

IF A VAILABLE, PLEASE FUR VISH THE. FOLLOIiII NI-. ADDITIONAL REPORTS .

DIRECT ST4 TElI1EVTS OI? REPORTS FROM THE EVGI VEER THAT R EP OR TED 1H E DEFI C I ENC Y ~

9 . AS BUILT GEOLOGIC 4 VD SO! LS %PS .

C. FOUVDA TION ~EPO? TS DESCRIBING GEOLOGY, SOILS, 4ND FOU DA TION DESIGN -=- -

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Enclosure 2 Meeting Attendees Geotechnical Meeting August 22, 1984 APS Kent Jones Art Gehr Joe Truillo Bill Hurst R. J. Kfmmel Bill guinn Bechtel Ken Schechtet Mike Molff Dennis Keith Steve Shepherd Earth technolo Ken Euge Steve Haire Cor s of En ineers John Magner Robert Ramsey NRC Joseph Kane Manny Licitra t

Palo Verde SSER 7 Appendix G