ML20125C760
| ML20125C760 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 05/31/1985 |
| From: | Hukill H GENERAL PUBLIC UTILITIES CORP. |
| To: | Murley T NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| Shared Package | |
| ML20125C743 | List: |
| References | |
| 5211-85-2105, NUDOCS 8506120147 | |
| Download: ML20125C760 (3) | |
Text
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- : SPU Nuolear corporation 1: G 4n 4uClear.
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. Middletown; Pennsylvania 17067 0191 i
? I 717 944 7821 i TELEX 84 2306 f Writer's. Direct DialNumber:
Ii 5211-85.-2105
- iMay 31,'1985
- DH. Thomas E. Marley Region I. Regional Administrator U.S. ; Nuclear; Regulatory Commission
! ! 631 Park: Avenue King of Prussia, Pa. ) 19406
? Bear.br.rMurley:
Three' Mile ' Island Muclose Station' Unit 1 (THI-1)
I10pedating liicens'.No.;DPR-50 e
- i. Docket No'.80-289
!. Restart. License conditionN PowertAscensinn Schedule
- One~ ofi the cdnditions imposed by the. Cdemission in lifting.the Shutdown Order to ialldw the restart df; TMI-1, is as'follows:
l
?(I) To ensure a safe return toioperation.ilicensee is i
- i to submit aipower ascension -schedule,, with : hold
- i points as necessary at apprdpriate. power levels.
3 t i to the NRC staff for istaff ts approval. The~ plant 3ssuch'aschedule..p"ior to staff; approval of
- cannot be restarted
. i > spUNis: power ascension schidule (secuerlce) fwhich. fncludes hold. points at d
i. appropriatetpower levels is :includec, as Attachment 1. : The information
- provided in the: attachment is from my dffidavitiwhich,vas: filed on Ma'y 24 J ? 1985 in. order to : state.theireadiness 6f THI-1 to startuptand.icomplete the ilow
- power physics und power:asednsion: test: program without delay.
l' IiIncluded asipart of my iffidavit werescopies df.the ditafled. sequence prints I along with an outline of the basic. sequence and expected time durations.for
-t:tiie restartipower ascension: test program. Updated copies of the. sequence
- diagrams ard :also provided in Attachment 2.'
This revision incorporatesithe
- ddtailed sequencing of. major elements of the test. program.' iMinor revisions i. may be needed as :additidnal 'infomation becomes available.
1 This:schddule 'ref.lects our best current estimate of the timecnecessary to e allow us to safely,:cardfully.:and inia control. led mannericomplete the restart t t test. program.' Although we a'nticipate.that :the orograni wil.1 take 99'daysi it i is important to; understand.that.each Step:must >e perfomed, satisfactorily in a controlled manner prior to begint! ng the next step withoutrconcern for how f
1,long it.may take.
8506120147 8506 5 PDR ADOCK 050 2
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G i ! GPU Nuclear Corporation:Is a subsidiary of the General:Public Utilities Corporation 1
- 5211-8542105
- i Asistated in odr letter in regard to: Restart ' Hold Points Wated:0ay.246!1985, during>the restart sequence we will obtain verbal authorization from the-i, Region!I Regional Administrator prior to ! initial criticality; prior to
- proceeding,beyond low power testing (i.e.. nominal 5% power).; prior to i tmturning to power.following.theiplanned : reactor : trip on loss of feedwater; iprior to continuing be, yond the 48% power: test period; and prior to continuing i,2 yond the'75% power test, period. i Based on tour recent. discussions 'with.the
- NRC staff, we'will also obtain verbal concurrence from the Regional iAdministrator to proceed to 100%! operation follo$ng.the 100% power reactor 4
itrip.
We request (NRC : staff apprdval of ourischedule in Jorder to satisfy theiabove i
.. condition.
iISincerely.
H. fl.I li kill 1Directod.' TMI-1 1rH0HMWt5/spb
< :cc. J. F. :Stolz l. R Conte IAttachments i-10282A e
e
- ! ATTACHMENT I IITMI-1 RESTART' POWER ASCENSION TEST FROGRAM SCHEDULE AND SEQUENCING
- (a) Fina_1 Heatup.and Surve111ande Testino: 5 days : required to -heatup ithe plant -using non-nuclear heat to flot shutdown conditions.
In addition i. survet.11ances (required. tests and inspection ~ of equipment and : systems) necessary prior to critica11ty'will be c'onducted during thisiperiod.
- (b) Zero and. Low Power Physics T'estinci Initial criticality,Ifollowed by 2
- , days of zero:and low power. physics testing totverify, and. measure parameters associated titithithe refueled core. such a's. temperature
. co'efficients.: rod worth asasurements..and shutdown margin verification.
(c) 42ower Testino:' 3 days' of testing for verification and training of i:
- . operators in matural knd fonced primary coolant circulation. Emergency
- .feedStar automatic iinitiation :and isteam generator water'leveli controls.
. wilt !also be tested during this period.
i 1:(d)iipower calibrationsk: integrated. control.systeml(.8 of fluclear and thetual
. 155. Pow 6r Testing: :2 days Of testing:censistin ICS") -tuning; hnd
- monumencement of < turbine generator initial. testing :an( : operation.
I 1 (e).255 Power Testina: :2 days of testing to continue turbine operation,
. i1ncluding overspeed Itrip tetting and further. ICS tuning.
t '.(f); '405 Power Testing:.5 days for core poweridistHbution%3i?tiruh'eits,
'. including incore detector testing and power. ind'ialaviceNefector correlation; ; At the end of this power plateau,'a verification' gf pTant
- i iperfonsanceiwill be ' conducted by initiating a-loss of amin feedwat.er
.:resulting in a turbine rand: reactor strip.
I J (g)i imonitor:
ng;usispe?ffiaWin.the license.I485:PowltrM3:8iDRth for ' required operator. tra A
i1(h).l75f.hc
- O M, m.i$$4ayshMower distri.bution measurements.
i 41910Elag.ir. core detector estingNdditionally. 4.urbine generator:and
-','Iu g ^_. s e w1T1 be mon red and' adjusted dur,ing this period.
l. (1),.:755-PowerfhihhositbioF' required operator. training.and p1 ant performance l
~
t imon14cr_tng'."2s<specified in the license.
- ! (j),11005 pc.:i;-d.Ung:
5 days of testing, including final Verification of l
- core physTcs. parameters and final:ICS tuning. This tetting Will be iconcluded Wiification of plant responpa to a. turbine / reactor trip at i
.;1005 power.
( - (k); ' Recovery to'1005.SperhtioMays set aside for coirective maintenance r
as required, management review of plant and operatoriphrformance during the. test vie rari. and recovery ofithe plant to ful.1-power operation.
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,;gmgygg gyAygg T 4 NUCLEAR REGULATORY COMMIS510N i RE0lONI
~,5 eest PAmu AvtNut
. suNa er emussia; Pt.NNSVLVANI A 19406
. OUN 0 3.~ 1935
- Docket,Nd. 50-289
- GPU NuclearrCorporation
! ATTN: Mr. H. D.tH0 kill g Vice; President;and Director df TMI-1 P.O. Box:480 Middletown Pennsylvania'. 117057 s
0 Gentlemen:
Subject! e Restar.t. License iCondition w Power Ascension Schedule
.1.his is in response to your letier of;May 31,11985 in whichtyou requested'NRC
! steff appr6 val of your power ascension schedule por6agnt to-Condition.1 ofi the C. Colle6ssionf s Memorandum andi0rder. CLI-85-09.
'a e We havesreviewed thei schedule contailned in your Miy 31,'1985. letter. and find 1.1t acceptable. r In hddition, the. hold points;beyond which you will:ngt 9roceed wtthout nryiverbal. concurrence are acceptable as specified In yot# May.31i i1985 3
3 1 latter.: datisfaction ofithe; appropriate license conditions.will he required
,e prior tg my concurrence f.o peoceed:beyond the ' hold points.
) hm, > N.!
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J mis E. hurley
, glonairA'dmtnistrator 1
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4 R. J: Too16e Operations anid Matatenantd Director; 7MI-1 C. W. Smyths Managert ITMI-1 Licensing i
R. 5; McGoey, Manager,i PWR Lteensing I
G. F: Tr6wbnidge:,: Esquire i i TMI'1 Hdaririg Service rList T Pubite document Room!(PDR) tocA1 P0blic Document :Ro4m (UPDR) t
> Nuclear!SafetyIInformatl6n Centge (NSIC)
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