ML17317A989

in Response to NRC 790103 Ltr,Forwards Tech Spec Changes Reflecting Evaluation of Postulated Fuel Handling Accident Inside Containment

ML17317A989
Person / Time
Site:	Cook
Issue date:	03/07/1979
From:	Disbrow R INDIANA MICHIGAN POWER CO.
To:	Harold Denton Office of Nuclear Reactor Regulation
References
AEP:NRC:00129, AEP:NRC:129, NUDOCS 7903140265
Download: ML17317A989 (8)

Text

REGULATORY NFORMATION DISTRIBUTION SY EM (RIDS)ACCESSION NBR:7903140265 DOC~OATEN'9/03/07 NOTARIZED:

YES DOCKET FAC IL 50 31 5 DONALD C~COOK NUCLEAR POWER PlANT g UNIT 1 g INDIANA 5 050003 1 5 AUTH'AME AUTHOR AFFILIATION DISBROW R~E~INDIANA&MICHIGAN POWER CO~RECIP~NAME RECIPIENT AFFILIATION DENTON H~R~OFFICE OF NUCLEAR REACTOR REGULATION

SUBJECT:

IN RESPONSE TO NRC 790103 LTR FORWARDS TECH SPEC CHANGES REFLECTING EVALUATION OF POSTULATEO FUEL HANDLING ACCIDENT INSIDE CONTAINMENT

~DISTRIBUTION CODE: ASSIS COPIES RECEIVED:LTR i ENCL i SIZE: TITLE: GENERAL DISTRIBUTION FOR AFTKR ISSUANCE OF OPERATING lIC REC IP IENT ID CODE/NAME ACTION: 05 BC dgH~i'NTERNAL o EG FILE 15 CORE PERF BR 17 ENGR BR 19 PLANT SYS BR 21 Ef LT TRT SYS EXTERNALS 03 LPDR 23 ACRS COPIES LTTR ENCL 7 7 1 1 2 2 1 1 1 1 1 1 1 1 1 1 16 16 RECIPIENT ID CODE/NAME 02 NRC PDR 14 TA/EDO 16 AO SYS/PROJ 1S REAC SFTY BR 20 EEB 22 BR INKMAN 04 NSIC COPIES LTTR ENCL 1 1 1 1 1 1 1 1 1 1 1 1 1 8RIPlES ZU)<+~~Zj n/e Z.aK~/<A<C-TOTAL NUMBER OF COPIES REQUIRED'TTR 38 ENCL 36 0 lt 0't X~I, tl o e I I lt t II'l e WI rIf I,t I tt lf'I ,I II g I l I INDIANA II MICHIGAN POWER COMPANY P.O.BOX 18 BOWLING GREEN STATION NEW YORK, N.Y.10004 March 7, 1979 AEP:NRC:00129 Donald C.Cook Nuclear Plant Unit No.1 Docket No.:50-315 License No: DPR-58 REGULATORY DOCKET FILE COPY Mr.Harold R.Denton, Director Office of Nuclear Reactor Regulation U.S.Nuclear Regulatory Commission Washington, D.C.20555

Dear Mr.Denton:

This letter is in response to Mr.A.Schwencer's letter of January 3, 1979, wherein we were requested to submit Technical Specifications to change the isolation time of certain containment isolation valves on Unit l.On February 3, 1978, we submitted a proposed Technical Specification for Unit 2 which would change the isolation time of the containment purge and exhaust valves to 5 seconds and better reflect our response to Question 022.4 contained in Appendix Q of our FSAR.Please be advised that in the response to the NRC letter of November 28, 1978, entitled,"Containment Purging During Normal Plant Operation", submitted on January 4, 1979 we incorporated into Unit l,by reference, our February 3, 1978 sub-mittal.Your staff's review of the fuel handling accident inside contain-ment can be completed based on our January 4, 1979 submittal for both Units 1 and 2.T he attachment to this letter contains a proposed Technical Specifi-cation change for Unit 1 in accordance with the evaluation of a postulated 1 fuel handling accident inside containment, as requested by Mr.Schwencer.

We are requesting that the isolation time'or the valves listed as"Contain'-

ment Purge and Exhaust Valves" under item C of table 3.6.1 of Specification 3/4.6.3.1 be changed from 10 seconds to 5 seconds.In addition, it has been noted with this revised Technical Specification that only one purge air inlet path (two valves in series)and one purge outlet path (two valves in series)are to be open at any given time while in Modes 1, 2, 3 and 4.The reason for this additional change is for consistency with information pre-sented in our response to Question 022.4 which was also made applicable (1 to Unit 1 by reference in our January 4, 1979 letter.n.ac a.c-G C tt'l~

Mr.Harold RE Denton AEP:NRC:00129 This Technical Specification change request has been reviewed by both the PNSRC and the required membership of the AEPSC NSORC , in accordance with the appropriate provisions of our Technical Specifications.

The result of these reviews indicates that the subject Technical Speci-fication change will not adversely affect the health and safety of the public.This Technical Specification change request has only minor signifi-cance and is being submitted at the request of the NRC to supplement pre-viously transmitted information.

Pursuant to the provisions of 10 CFR Part 170, no fee accompanies this submittal.

Very tru'ly yours, RED:em R.E.Oisbrow Vice President Sworn and subscribed to before me this~'" day of March, 1979 in New York County, New York Notary Public CC: Cal 1 en cc!h.l'.4 I a il)'h.w'(6," cL;(,n"./P.W.Stekete'e G.Charnoff R.Walsh R.J.Vollen R.W.Jurgensen D.V.Shaller-Bridgman TABLE 3.6-1 Continur.d VALVE NUMBER FUNCTION**C.CONTAINMENT PURGE AND EXIIAUST Cont inuedg TESTABLE DURING ISOLATION TIME.PLANT OPERATION It)SECOt<DS 12.13.14.D.VCR-205 VCR-206 VCR-207*Upper Comp.Purge Air Inlet Upper iump.Purge hir Outlet Cont.Press Relief Fan Isolation I4)tIIIAI.

ISOLATION VALVES Yes Yes Yes l.2.3.5.6.7.G.9.10.11.12.13.14.15.16.17.10.19.20.ICH-1 1 1 I Ctl-129 ICH-250 ICH-251 ICtl-260 ICH-265 ICII-305 ICH-306 ICH-311 ICH-321 DII-209 DII-210 tIPX 151 VI Ph 145 SF-151 SI'-153 SF-159 SF-160 SI-171 S!-172 RIIR to RC Cold Legs RIIR Inlet to P<m>ps Boron Inject)on Inlet Boron Injection Inlet Sa fe ty Inj ec ti on Inl et Safety Irr]ection In'l et RIIR Srrction frorrr Srrmp RIIR Suction from Srllllp RIIR to RC Ilot Legs IIIIR to RC lint Legs Dr.oriner.allzr.d llater Supply for Ref(rel)nq Cavity Durrineral izert llater Supply for Refueling Cavity Dearl lte I gilt Tes ter Conta inrir.'r>t Service Air Refrreling Watr.r Supply Refuel lnrl I(a ter Srrtrply R<<frrelirrg Cavity i>rain to Purification System R<<frrelirrg Cavity l)rain to Purification System Safety Injection Test L)ne Accumulator Test Line Yes t)o Yes Yes Yes Y<<s Yes Yes Yes Yes Yes Yes Yes llo Yes Yes les Y<<s Yes Y<<.s**Only.one purge inlet path and one purge outlet path orany be opened in Modes l, 2, 3, and 4.tN tIA t,'h tlh tN Nh tN 1N llh ttA tIA tlh tlh tN tN tN tN tN NA IN VALVE NUMBER PIIASE"0" ISOLATION FUNCTION Continued TABLE.3.6-1 Continued TESTABLE DURING ISOI.ATION TIMF.PLANT OPERATIOII Itt SECONDS 37.30.39.40.43.nn.45 46.47.40.49.50.WCR-961'CR-963 IICR-9C5 WCR-967 IKIl-902 WCI,'-906 HCII-910 wcR-91n iICR-922 WCII-926.W('.ll-930 WCR-934 IICR-96)2 IICfl-966 tlf:SW to Instr.Rm.East Vent tlESW fro>>i Instr.Rm.West Vent tff'.Slt to Instr.Rrn.Fast Vent tlf:S>Lower Contalniiient Vent El tff:SII fvoi>>Lower Contain>>ierit Vent//2 tff;SII.fin>>i I owLr Coiitaitll>>Lnt Vent//3 NI.SII froi>>Lower Contaii>>iieiit Vent//4 tll:Sll fr.o>>i Upi)ev Cnr)ta fr>>')Lrrt Vent//1 tICSW fvoi>>Uppev Cor)lair)i)re)it Vent//2 tlLSII froi>>Ul)per Coiitaiiu>>ent Vent//I tff:.SW f'voiii Upi)er Co>>tairm)L)rt Verit//4 IIESII fro>>i liistrii>>ieill.

Roni>>Cast Vent tlLSll fr'oiA Iiistru>>ieiit Rnolll Hest Vent Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes 10 10 10 10 10 10 1(l 10 10 10 10.10 10 10 C.CottTAI tlt<ENT.PURGE AND EXIIhuST 5.6.7.0.9.10.11.VCR-104 VCR-105 VCR-106 VCR-107 VCR-"01 VCR-202 VCR-203 VCR-204 1.VCR-101 2.VCR-102 3.VCR-103 Instr.Rooi>>Iris tv.Rooirr Lower Co>>ip.l.ower Cor)rp.Upper Col>>p.Upper Co>>lp.Corit.P).Lss.Iris(.r.Itoi>>n f>>s tr..Bor)>>)Li)wL'v Coi>>p.l.()iiev Co>>rp.Purge Air Inlet Purge hir Outlet Purge hir Inlet Purge Air 0<<tlet Prrr'lie hir Inlet Pi>>ge hir Oiitlet Relief Fan Isolation I'i>>ge hir liilrit I ui ge h)l'l)ll e't I'll)')rL A I i'rl 1 e t I)r>>'lie hir Oiitlet Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Only one purge inlet path and one puvge outlet path))my be opened in Modes 1, 2, 3 and 4.

0 v%.)1 r.