ML20084E328
| ML20084E328 | |
| Person / Time | |
|---|---|
| Site: | Ginna  |
| Issue date: | 01/21/1974 |
| From: | Platt C ROCHESTER GAS & ELECTRIC CORP. |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| Shared Package | |
| ML20084E306 | List: |
| References | |
| AO-50-244-74-01, AO-50-244-74-1, NUDOCS 8304150019 | |
| Download: ML20084E328 (3) | |
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A!I1M(1640)(1-033426A021)PD 01/21/74 1634 1UX 4 :tE RCC s
C C t dC. 'iESTER NY JAN21 r?..; 'W:S P 0'REILLY, DIRECTOR
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4 JI' Jico. ATE OE REGULATORY OPERATIOdS tt;i c.N 1 US ATGM:C DIERGY COMMISSION 031 P AG AVulUE K !NG OF PEU.:SIA, PDitISYLVidIIA 19406 UNCONTROLLED 02 AB'IOR:1AL OCCURRDICE 74-1, REACTIVITY OF SUBJ ECT U:iANTICIPATED CHANGES IN GREATER.THA'1 1/ DELTA K/K Pi aCCOnttilCE UITH THE TECICIICAL SPECIFICATION 6.6.2A ANIOR'ihL OCCURRCICE REPORTS, UHICH REQUIRES tiOTIFICATION BY TEl.EPHONE AMD 8
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TELEGef.PH. THE FOLLOUING REPORT IS SUBMITTED D'! I h M Yy JtdUNRY 18 1974 UG2iniDI RE!!0VED THE MINUAY COVE 1 IND T"E P. "JA Y P:Si?.T FPO:1 THE," A* STEtJi CDiER ATOR EDT tr.G SC; TIC i. Ali A:.. E, !Jia if.;0 INSTALLED Ct! THE REACTOR VESCEL HEAD VE9T IND *i'G F JLL:N; Ala THr.0U;3 THE PRESSURIZER VENT, THT.0UCR THE LOCT:: (T.J UATE R
L"".Et Fi THE LOOPS Uf.S BEIMG MAINTAIMED IN t.CCORDt.10E UITH fjP20V4D Pr ;GD'J:'.E' ) NiD EISCHARGI"G TO THE CONTAINME:IT EXHI.UST EUCT.
J t.S T::d "A" STET.M GDiERisTCR HOT LEG INSERT UAS EDChD. THF. lie VAS id IN-aUSH OF AIR TO THE "A" STET.M CDIERATOR.
Tills IN-R'lS" 07 AI O
CAUSED AN UMBALANCE OF THE UATER THAT UAS STILL IN THE STEAM C.NERI,T) j R
TUBES, /J1D THIS WATER THDI DRAINED INTO THE LOOPS AllD DILUTED THE
.J WATER IN THE REACTOR.
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T 0: REACTOR COOLA SYSTEM WATER VAS SPPROXI TELY 400 PPM e
IN'1 ',T.Di THE U!!IT WAS REMOVED FROM SERVICE ON J ANU ARY 1, 197 %
0". tie.GY 2 1974 THE REACTOR C00LAtlT SYSTEM UAS BOSATED TO A.ioT i
EL"ROU1CCdITICtl-657PPME0RON.
LATEtt CN UMEN IT UAS DECIDED TO C0 TO A COLD S:IUTDCV:? r01LITIOM, TW. pes.CTcn C00LA iT S'lSTDI UAS DORATED TO 913 PPM LORr.l.
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". ','0.mL HEAT RE'10 VAL SYSTEM VAS Iti OPERATIO!! MAItlTAINIi!G T:;E G010 C:wiD;.1 C01DITIOf.
LPI IT FEcAME APPARDiT THAT THE UNIT UOULD DE DC'JII FOR F 0D:VL
'!Hr. OPE 3ATORS VERE TOLD TO It! CREASE THE EORC1 CG::CE1 Tim I 0 UE"/.S,:ATER TH AN 2,000 PPM I!i A?iTICIPATI0!! 07 A EETUELIN'i Odi~.~.F.
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ThE CTEAM CE::E3ATORS HAD EURPED SEVERAL TI!iES t.FIER Ti:E IS IN/.RY SYSTE'1 VATER LEVEL UAS LOVERED TO A LEVEL IN ACCORDlJICE UITH THE f
g FECCDU2E. BUT EVIDDITLY A LARCE AMOU:IT. 0F 913 PPM FORC1 YATO Uf.S MILL I1 THE STEAM GE'IERATOR TUDES UHDI THE RESIDUAL E'/.T F.D:m L Si wi L*/ S PLACED I:I OPERATIO:1.
THE RESIDUAL 1: EAT RD'.0 /AL.D J 41 l
Ti 3 ITT SUOTI0ti FP.0:1 T;IE ' A' H AI:1 C0OLANT LCOP HOT 1.EC /C E c i. '. 7 C
'i.: "'i 2 TO THE *B" I'Afri C00Ltl:T LOOP COLD LEG.
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CI-D'L. ' G l'"_3 MIXFS Ti:E UATER Di THE RE.'.CTC2, DUT IT D'ES '.ai a. R
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. ~.. UATER I!! T:7. STEi.M GL :E:: ATOR DRAM ^ 70 Y::E !
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- . a 'r.L T!:". 2,123 PFM UATEP. THf T UAS EEF:G CI?.CCL?.TI.D T'.
s FECHWI: 0 IN A FIN AL DORCN CO. ICE'!TRATI',:1 0F 1, '5 D
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C.. a '.: :'; TF l0dOH THE REACTCR. THIS UAS A Ci!WCE I:1.MCT ' IT 'i i
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- IMATELY 3/
UHICH UAS GREATEP. THA!! CUR TECHNIr'L SrLCI-F ~ ;'.T C1 LI::IT 07 h L":CCMTROLLED OP. CIA:iTICIPATED Cilt.W P:
Eii.0TiiiTY.
THERE.UERE lio SAFETY IMPLICATIQUS CF THE I:iClis!T EECsU3 3
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i IT 0?ILY EEDUCED O'UR SHUTDOUN MARGIti FROM APPROXIMATELY 16/ TO 13/.
5:2 ATIC'l UAS STARTED II'MEDI ATELY DY THE OPEP,ATORS, AIID 2 HOURS LATER j
THE BORON CONCDITRATIO!! Iti THE REACTOR C00LAtiT SYSTEM UAS BACK TO
'1 2103 ppd.
1 CHf.RLES E PLATT, SUPERINTCIDDIT I
CI'iNA STATI0ft i
ROCHESTER CAS & ELECTRIC CORP.
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TO (Name and w,.it)
IhlilAL1 REMARKS ROC!IESTER GAS AND ELECTRIC R0 Ch ie f, F &EB RO:llQ (4)
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R0 Fi1es D^tt DR Central Files A0 74-1 Dircerorato of TO (Name and unit) lNITI ALS REMARKS The above A0 is forwarded for information.
Licensing (4) l OCC l
Distribution will be made by this office to the 1
1 PDR, Local PDR, NSIC, DTIE, and State TO (Name and unit)
INITLALS REMARK $
Repre sentatives.
DATE F ROM (Name and unst)
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E. J. Brunner Region I PHONE %
DATE 8-337-1246 1/29/74 USE OTHER 54CE FOR ADDITIONAL RLMARKS croegevi o.4 5..#,
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