ML20038C445

Concurs W/Const Plans of Access Shafts & Freeze Wall in Preparation for Underpinning Auxiliary Bldg & Feedwater Isolation Valve Pits.Further Info Must Be Submitted Prior to Activation

ML20038C445
Person / Time
Site:	Midland
Issue date:	11/24/1981
From:	Tedesco R Office of Nuclear Reactor Regulation
To:	Jackie Cook CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
References
ISSUANCES-OL, ISSUANCES-OM, NUDOCS 8112110044
Download: ML20038C445 (6)

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V OLDJeCL; htof f Luncurrence tur Lonstruction of nccess :>naf ts and freeze nall in Prepara;. loa ivr Unuerpinning the auxiliary Lulluinj ond Feutwas.er Isalation Valve Fits curtaa several t.eeting alta the u.a. stati, including uore recently thosc on octauer I and noven.uer 4, lb),.. M er3 of Conau.c.crs Power Lu.apanj (LPLo) an i consul tents nove oescribau the uncerpinaing planned oeneau.

Loe electrical g.netra tica areas and the ccatrol tu..er portions of the aux 111arj ou11 din.; cad oeneatia the ada cent feeduater isolatico valve pits a

sur i.idlanu Piant, Units i ano 2.

These uiscussions hrve inclu6cd tiie tact tnat in order tu prepare for i Aple:.enting tne urmerpinning sche;.;e, vertical occess snut ts on tne east anu nest enus or tne auxiliarj bulluing and aujacent to each tecovater valve pit and one turoina ouilding uust first be constructcc fro.a plant jruaa (elevation tai teet) coun to elevatiun 60s.

In aauition, a treneaall is necessary tu aaguent the present construction denaterin4j sc he..:2.

ihe seneral iccations ut tne access snat ts anu freezewall are shc'.co on Lncic;ures 1 cnd 2. 1000 letters of Uc tober a and riovvi..ber lb, 193l have reSpundCu to i...L requests fur uuuitional infort.otion end have requested stait concurrence to procc0d Wi ts. Construction of the access snaf ts and f reeze1<ali.

Our review recognizes uiat toa vertical purl 1on or toe access snat t.ijll not unuer..,ine anj exi sting struc care.

ine sr.af ts and tue freezewull can be aoandued at any t1w and will be backfillcu alth concrete er soil upon cagletion of the under inning ac ti vi ty.

accorcin;lj, tais activi h e:cas not re,sresent an irre-r vers 10le CO.. ai teent.

It also nas no et tect on anj utner rLiental ac tion tua t

.aj ue reyatrec as a result of tne stat t's continuin review of suosequent a

paases of the unar.rpinning scue..:e e r a s a re s u l t o f LI.e s ta i t 's C L re v i e s o r the OE.-LL hearinj. Our revica f urtner recutnizes the coa.it. mat or j our sta rt tna t nejiun 111 personnel will De nuti t ieu,,riar to drillin near sei3mic s

Late;urj 1 undt.r round utilicies anu stractures.

a In view or the auuve, the i.LL dLart cuncurs a1 Lu your pluus tu vegin construc tion of the vertical access snaf t uuun to elevution Lus uno installatio.i ui the treeze wall aarusare.

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A PDR NRC Fonu m oo n t.ncu cm OFFICIAL RECORD COPY wa w-m u

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A later piase of jour ui10erpinnio; work is unuerstood to involve excavation Deneatn the valve pit structures, and extending the access stiaf t Geeper to perwit excavation along tne turuine builuing for eventual access beneatu the uuxiliary callaing. nowaver, this later p iase requires savaittel of turtiier inforaation for staf f revier, ano a proval and our aoove concurrence does not r

aatnerice excavation utrectly ceneath any structure. 51.ailarly, our review of the et tects or operation or tr,e treezeaall involve suor 1ttal of acGitional inturt..ation (e.g., patential heave ono resettlecent) and our aoove concurrence is lialted tu installation vi tue treezewall, and uucs not i.ict ue its ectivation.

a lne accitional intor.:,ution associateu at tu taese loter pliases will be discussed sj the staf t uurintj tr' U.i-LL tidaring sessica beginning becd.scr 1(ol.

s Sinceruij, nubert L. Teaesco, m si ta.at director e

for Licenstnj vivision or Licen,in, cnclosure(3):

us statea cc: see next pa,,e DISTRIB'JTION Docket File LB#4 r/f DEisenhut/RPurple EAdensam DHood MDuncan RTedesco RVollmer WPaton SHanauer JKramer RMattson, MPA 0 ELD OIE (3) bcc:

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OFFICIAL RECORD COPi usm issi-mm Nac ronu ais 00-8o3 nacu cao

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MIDLAND Mr. J. W. Cook Vice President Consumers Power Company 1945 West Parnall Road Jackson, Michigan 49201

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cc: Michael I. Miller, Esq.

Mr. Don van Farrowe, Chief Ronald G. Zamarin, Esq.

Division of Radiological llealth Alan S. Farnell, Esq.

Departrent of Public Health Isham, Lincoln.& Beale P.O. Box 33035 Suite 4200 Lansing, Michigan 48909 1 First National Plaza

Chicago, Illinois 60603 William J. Scanlon, Esq.

2034 Pauline Boulevard James E. Brunner, Esq.

Ann Arbor, Michigan '48103

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Consumers Power Company 212 West Michigan Avenue U.S. Nuclear Regulatory Commission Jackson, Michigan 49201 Resident Inspectors Office Route 7 Myron M. Cherry, Esq.

Midland, Michigan 48640 1 IBM Plaza Chicago, Illinois 60611 Ms. Barbara Stamiris 5795 N. River

..,,' ' Ms. Mary Sinclai r Freeland, Michigan,48623 5711 Summerset Drive Midland, Michigan 48640 Mr. Paul A. Perry, Secretary Consumers Power Company Stewart H. Freeman 212 W. Michigan Avenue Assistant Attorney General Jackson, Michigan 49201 State of Michigan Environmental Protection Divi: ion

. Mr. Walt Apley 720 Law Building c/o Mr. Max Clausen Lansing, Michigan 48913 Battelle Pacific North West Labs (PNWL)

Battelle Blvd.

Mr. Wendell Marshall SIGMA IV Building Route 10 Richland, Washington 99352 Midland, Michigan 48640

, Mr. I. Charak, Manager Mr. Steve Gadler NRC Assistance Project 2120 Carter Avenue Argonne National Laboratory St. Paul, Minnesota 55108 9700 South Cass Avenue Argonne, Illinois 60439 Mr. Roger W. Huston Suite 220 Mr. R.- B. Borsum 7910 Woodmont Avenue Nuclear Power Generation Division Bethesda, Maryland 20814 Babcock & Wilcox 7910 Woodmont Avenue, Suite 220 Bethesda, Maryland 20814

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Mr. J. W.' Cook 9 cc:

Commander, Naval Surface Weapons Center ATTN:

P. C. Huang White Oak Silver Spring, Maryland 20910 Mr. L. J. Auge, Manager Facility Design Engineering Energy Technology Engineering Center P.O. Box 1449 Canoga Park, California 91304 Mr. William Lawhead U.S. Corps of Engineers NCEED - T 7th Floor 477 Michigan A~ienue Detroit, Michigan 48226 Charles Bechhoefer, Esq.

Atomic Safety & Licensing Board U.S. Nuclear Regulatory Commission

Vashington, D. C.

20555

• Mr. Ralph S. Decker Atomic Safety & Licensing Board U.S. Nuclear Regulatory Commission Washington., D. C.

20555 Dr. Frederick P. Cowan Apt. B-125 6125 N. Verde Trail Boca Raton, Florida 33433

~~

Jerry Harbour, Esq.

Atomic Safety and Licensing Board U.S. Nuclear Regulatory Commission Washington, D. C.

20555 l

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