ML18142B861

LER 1975-013-00 for R. E. Ginna, Transfer of Refueling Water to Containment Basement

ML18142B861
Person / Time
Site:	Ginna
Issue date:	08/22/1975
From:	White L Rochester Gas & Electric Corp
To:	O'Reilly J NRC/IE, NRC Region 1
References
LER 1975-013-00
Download: ML18142B861 (13)

Text

NRI DISTRIBUTION FOR PART 50 DO T MATERIAL (TEMPORARY FORiVI)

Pp CONTROL NO:

FILE. INCIDENT REPORT FILE FROM. Rochester Gas and Electr DATE OF DOC DATE R EC'D LTR TWX RPT OTHER Corp Rochester, N..Y.

L.D White Jr 8-22-75 8-26-75 TO: ORIG CC OTHER SENT AEC PDR Mr James P.O'Reilly not sigHed SENT LOCAL PDR CLASS UNC LASS PROPINFO INPUT NO CYS REC'D DOCKET NO:

50<<244 DESCRIPTION: ENCLOSURES:

Ltr trans the following: Abnormal Occurrence'f75-13 on 8-15-75'.

concer'ning the transfer of r'efueling water to containment basement ~

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PLANT NAME FOR ACTION/INFORMATION >V ~8"-"26"-75 JGB BUTLER (L) SCHWENCER (L) ZIEMANN (L) ~

REGAN (E)

W/ Copies W/ Copies Ml/ Copies W/ Copies CL~RK (I.) STOLZ (L) DICKFR (E) LEAR (L)

W/ Copies Ml/ Copies W/ Copies W/ Copies PARR (L) VASSALLO (L) KNIGHTON (E) SPELS W/ Copies W Copies Ml/ Copies Ml/ Copies KNIEL (L) RPLE (I ) YOUNGBLOOD (E}

Ml/ Copies opies W/ Copies W/ Copies INTERNAL DISTRIBUTION TECH R EVI EW DENTON LIC ASST A/T I ND

~NRC PDR ~SCHROEDER "-'GR IMES R. DIGGS ILI BRAITMAN OGC, ROOMi P-50GA ~ACCARY GAMMILL H. GEARIN (L) SALTZMAN GOS" ICK/STAF F KNIGHT KASTNFR E. GOULBOURNE (L) MELTZ ~

~CASE PAW! ICKI BALLARD P. KREUTZER (E)

GIAMBUSSO SHAO SPANGLER J. LEE (L) PLANS BOYD "~~ STE LLO M. RUSHBROOK (L) IViCDONALD MOOR E,(L) ~"-~ HOUSTON E NVI RO S. RFED (E) CHAPMAN.

DEYOUNG (L) "'"'OVAK MULLER M. SERVICE (L) DUBF (Ltr)

SKOVHOI T (L) ~ROSS DICKER HSHEPPARD (L) E. COUPE GOLLER (L) (Ltr) ~ IPPOLITO KNIG HTON M: SLATER (E) PETERSON P. COLLINS /TEDESCO YOUNGBLOOD H. SMITH (I.} HARTFIELD (2)

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ROCHESTER GAS AND EL,ECTRIC CORPORATIOH o 85'AST AVENUE, ROCHESTER, M.Y. 14649 I.roN D. ivlfITE> JB, Il.hfi'iqOHE VICE PACSIDCtiT inc~ ceae vie 5.46-2700 August 22, 1975 Mr. James P. O'Reilly, Director U. S. Nuclear Regulatory Commission Office of Inspection and Enforcement Region I 'i) c 631 Park Avenue King of Prussia, Pennsylvania 19406 Wry )(

Subject:

Abnormal Occurrence 75-13, Transfer of refueling water to containment basement R. E. Ginna Nuclear Power Plant, Unit No. 1 Docket No. 50-244

Dear Mr. O'Reilly:

In accordance with Technical Specifications, Article 6.6.2a, the attached report of Abnormal Occurrence 75-13 is hereby submitted. Two additional copies of this letter and the attachment are enclosed.

Very truly yours,

~idler d~,

L. D. White, P Jr.

~-

Attachment cc: Mr. Donald P. Knuth (40)

Mr. William G; McDonald '(1) ~

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~UGLY hg75

,g; UCENSEE EVENT REPCI(ITe CONTROL 8LOCK

(PLEASE PRIF4T ALL REQUIRED INFORMATIDN)

LICENSEE LICENSE EVENT NAME LICENSE NUMBER TYPE TYPF Qg09 N Y R E C' 1 0 0 0 0 0 0 0 0 0 4 1 1 1 1 ~0 '1 14 15 25 26 30 31 32 REPORT REPORT CATEGORY TYPE SOURCE DOCKET NUMBER EVENT DATE REPORT DATE

~o< coNT ~DI T L 0 5 0 0 2 4 4 0 8 1 5 7 5, 0 8 2 2 7 5 7 8 57 58 59 60 61 68 69 74 75 60 EVENT DESCRIPTION

~02 Durin erformance of eriodic test PT-2. 3 Safe uard Valve eration a flow ath 7 8 9 80

[oD3] from refueling water storage tank RWST to containment sum B was inadvertentl esta 7 89 80 t00j4 lished and containment'integrity requirement was violated. Upon receipt of alarms and 7 8 9 80

[oa~l evaluating indications, operator immediately secured flow path. A similar ocCIIrrence, 7 0 9 7

Jog 0 S which did not involve containment inte rit, was re orted as AO 75-10.

80 SYSTEM CAUSE PRME Abnormal Occurrence 50-244 75-13) 80 COMPONENT COMPONENT CODE CODE COMPONENT CODE SUPPUER MANUFACTURER 'L00LATIDN Q<zj ~SP ~A V A L V E X E H 9 9 9 7 8 9 10 11 12 17 43 44 47 48 CAUSE DESCRIPTION 7

[oaf 8 9 Q erator closed MOV-851B erroneousl reo ened it before the next ste to stroke 80

~09 MOV-850B, and initialed the procedure step "Close MOV-851B" . He noted it was time 7 8 9 80

~10 for his hourly readings and turned to the Head Control (cont'd. on attached sheet) 7 89 80 STATUS 'OWER FACILITY, OTHER STATUS METHOD OF DISCOVERY Qg 7 8 9 E ~io o 10 12 13 NA 44 a

DISCOVERY DESCRIPTION Operator observations after alarms FORM OF 45 46 ACTNITY COATENT RELEASEO OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE Q~g H z NA NA 7 8 9 10 11 44 45 00 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Q~jo ~00 0 E NA 7 8 9 11 1'2 13, 80 PERSONNEL INJURIES NUMBER DESCRIPTION

[g09 7

~00 0 11 12 NA 80 OFFSITE CONSEQUENCES Qs]

7 8 9 80 LOSS OR DAMAGE TO FACILITY TYPE DESCRIPTION

[ice] H 7 89 10 80 PUBLiCITY 7 0 9 ADDITIONAL FACTORS Q~g Following evaluation of conditions it was learned that containment integrity requiremen 7 8 9 Qqg] was violated for approximately 3 minutes, and approximately(cont'd.on attached sheet) 7 09 00 NAIViE: Bruce A. Snow PHDNEI 7 16 546 2700, ext ~ 29 1-2 14 QI'i1 011 A*'l

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-Licensee Event R~~or 2.

50-&$ 4/75-13 Cause Descri tio'n cont'd.

Operator to ask him to take them. Returning to the procedure he saw that the next step a'fter the last step he had initialed was to open MOV-850B. Upon the opening of MOV-850B with MOV-851B open, flow was established from the RWST to Sump B.

The PORC recommended the following immediate remedial action:

1. Make an inspection of containment to evaluate the extent of any possible damage.

2. Pump out Sump B and inspect it for any debris, and inspect the Reactor Coolant Drain Tank located there for any possible damage.

3. Have health physics personnel evaluate the extent of airborne contamination.

4.. Reprimand the Control Room operator.

Further actions to prevent recurrence recommended by PORC are to change PT-2. 3 to incorporate requ'irements that

1. No other activities relative to maintenance or testing may b'e performed

'which may distract Control Room personnel involved in the performance of this test. In the event any emergency and/or unusual conditions develop, the test is to be terminated until such conditions cease to exist.

I

2. The Control Room personnel involved in the test will not have simultaneous Control Room responsibilities relative to normal duties and routine operations.

3. More definite precautions are to be added to PT-2.3 at the steps concerned involving valves which created the inadvertent flow path.

I Additional Factors cont'd.

k 12,000 gal. of refueling water was transferred to containment. The Technical Specification for RWST inventory was not violated. There were indications that approximately 1 inch of water had been on the floor. No damage to any safe-guards equipment was noted. Processing the developed waste water is being carried out according to normal procedures.

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%age.~.btu" Be.'taraed arouffd to coatkaae,the procechxr'e and ha sap that tha otep"after the 1ast stop that..hi iaitis?ed van to Q~?SV&50B "Ho had ~

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1 never:cXoscd: 89V-05XB'e Wcn. ho opcxatcxF the switch to open; 80V-0508-ar ~

path'van open from the, Refueling; Hater Storage TanTic to contaiment Smrp. 9

-Shortly, after this. operation the. htgb XeveX alazsc in Sump 9 sounded in. the .

controL eocene follcrzcd chart Ey aftazwaxIda. by a. high XevaX aXszm. in. Su=p CL Sy the time. the operator rcaXf=cd-. what. hnd happened and .coulct get. l3Ã-85XE closc4 approximatoEy IZ 000 SaXXons of. ReMeing Pater Storage TaaEc water had run'nto Sump 9 avarHcrus6-onto thc containacnt. basement floor, and drained through. tha floor drains ta Sump fL %he appzoxianta tiara. that contcxxcment integrity. van .vfioXatecE ona 3 csinutes Tha PORC.saat. at: ISO, revkccced tha occurrence and made the foXZasring.

rccaumdntions."

(a) IhEce an Knspwtioa.of contatumnnt;.

(b) ReprimancE the contxoX racaa operator (c) Eave the Kcalth Phys%ca perammcE-:take a particuXatn aampXe in the baaeuent of containmant (d) Pump the water fanic Sump PI and ihspect the Sump. 8 area for any debris aud also: inspect CElL Reactor Coolant 9?Sin Tank vhich't@ Xocatcd in.

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iLn. inspection vas made of: containment at. I530 'Xhc: on1y evidence of the water vas several usmXX puddles oK water here and them. on. the floor, Sump B fuXL of.'water and'n indfcation. ia aevaraX- pIacea. that approxfanteZy X~

of water had been. on tha basement. floor She plant. continued operation. at XODX power. aX'I during tha occurrence and no operating problems hnvo been. encounteract since the occurrence CharXeadf Plat t,

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