ML19269E947
| ML19269E947 | |
| Person / Time | |
|---|---|
| Site: | Midland |
| Issue date: | 06/25/1979 |
| From: | Howell S CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.) |
| To: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| Shared Package | |
| ML19269E948 | List: |
| References | |
| HOWE-174-79, NUDOCS 7907100604 | |
| Download: ML19269E947 (2) | |
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li Stephen H. Howell N %,y/
.ornior Vice Presifent
%w General Of fices; 1945 West Parnall Road, Jackson, Michigan 43201 * (517) 788-0453 June 25,1979 Howt-17h-79 Mr J G Eeppler, Regional Director Office of Incpection and Enforcement U3 IIuclear Regulatory Co=ission Region III 799 Roosevelt Road Glen Ellyn, IL 60137 MIDLf!!D UUCLEAR PIX T UNIT I:01, DOCKET NO 50-329 UNIT 20 2, DOCK"T NO 50-330 SETILE'E::T OF DIESEL GE!IERATOR FOUNDATIO"S N!D FUILDII!G Referenees:
1.
S E Howell 1cttera to J G Eeppler; Midland ?!uclear Plant; Unit No 1, Dochet Ho "0-329; Unit No 2, Docket Uo 50-330; Seltlenent of Dicael Generator roundations and 2uilding; (a) SerimL Hove-183-78; dated September 29, 1978 (b) Serial Howe-230-78; dated !ovember 7,1978 (c) Serial Howe-267-78; dated December 21, 1978 (d) Serial Hove-1-79; dated January 5, 1979 (e) Scrial Howe-58-79; dated February 23, 1979 (f) Serial Howe-132-79: dated April 30, 1979 2.
G S Keeley letter to J G Keppler; Midland Proiect -
Docket !!o 50-329 and 50-330; Recponse to 10 CFR 50 5h -
Request or Plant Fill; Serial 6925; dated April 2h, 1979 This letter, as were references 1 (a) through (f), in an interin 50.55(e) report on the settlement of the diecel renerator foundatiens and building.
The enclesure (MCAR 24, Interin Report f6) providec detailed supplemental informtion to refarence 2 in rcrard to renedial aci. ions planneu for fill under category 1 structurec where tbc noil investir1 tion has revealed that the fill has not been adequately compacted.
- he preparation of the enclosed Interin Report (dated June 11, 1979) was tir:ed to r.llow IIRR review prior to the meeting scheduled for July 10, 1979 in Retnecda.
Subaequent to the preparat icn of the interan Peport, the re mdial :ctienc contn.ined therein have undergone cont.i:.uing decirn review.9 tncludinc an evaluation by Doctors Peck, Hendrcn and Daviccon.
Alternativen to the remedial meanures precented in the Int.crim Report are presently being considered includin7 the use of a permanent dowatering cyctem in lieu of the chenical grouting of l
sands to climinate any potential for lioucraction, j
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79071006cy i
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llove-174-79 With re?)ect to the temporary air line in the tank farn area which was leaking, several actionc have been taken or will be taken.
The temporary line has been abandoned in place with a new tenporary line inctalled in the steam tunnel. The top three to four feet of soil vill be removed prior to resuming backfill, the tank farm area has been napped to locat e all acepare areas, and an engineerinc, evaluation vill be made to determine t2._ condition of the fill material. An incpection pit will be dug in the vicinity of the leak.
'"h e above was in progress or planned and vac discussed during the URC inspection exit meeting of ?iay 17, 1979 Another interim report will be sent on or before September 5,1979 mKy m A)
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Enclosure:
MCAR 2h, Settlement of the Diesel Generator Foundations and Building, (Insufficient Compaction in Plant Area Fill Related to Seisnic Cater,ory I Structures and Facilities), Interin Report #6, dated June 11, 1979 CC: Director, Cffice of Incpection & Enforcement Att: Mr John C Davis, Acting Director, USIEC (15)
Director, Office of Managenent Information and Program Control, US:IRC (1) 2164 237