ML17261A145

LER 79-019/03L-0:on 790919,loose Nuts on Anchor Bolts Were Found on Pipe Supports & on Svc Water Piping to Standby Auxiliary Feedwater Pump.Caused by Nuts Working Loose During Sys Operation.Nuts Were Torqued to Current Requirement

ML17261A145
Person / Time
Site:	Ginna
Issue date:	10/19/1979
From:	St Martin J ROCHESTER GAS & ELECTRIC CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML17249A212	List: ML17249A210 ML17261A145
References
LER-79-019-03L, LER-79-19-3L, NUDOCS 7910220354
Download: ML17261A145 (2)

Text

U.S.NUCLEAR REGULATORY COMMISSION NT REPORT~(OAR 1339){PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

NRC FORM 366 I7-77)r f 79-019/CENSEE EVE CONTROL BLOCK: Qi 1 6 N Y R B G 1Q20 0-0 0 0 0 0-0 0 Q34 1 1 1 1 QE~QE 9 LICENSEE CODE 14 15 LICENSE NUMBER 25 26 LICENSE TYPE 30 57 CAT 58[oat 7 8 CON'T~8 7 8 REDRT~LQB 0 5 0 0 0 2 4 4 7 0 9 1 9 7 9 B 1 0 1 9 7 9 QB 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES

+10 During inspections required by IE Burietin 79-14, loose nuts on anchor bolts were~o3 found on pipe supports SW-1 4 1,-1 42,-1 43,-.1 45, and-1 46, on service water piping~o4 to the"D" standby auxiliary feedwater pump.Although the pump was declared'I~os inoperable (T~S~3~4~2.d)all three auxiliary feedwater pumps and the alternate~OB standby auxiliary f eedwater pump were operable.7~O7~OS 80 7 8 9~OB 7 8 SYSTEM CAUSE CAUSE COMP.VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE~OH Q77.~B Q72~O Q73 9 U P 0 R T Q74~B Q78~Z QE 9 10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LERIRO EVENT YEAR REPORT NO.CODE TYPE NO, Q17 REPoRT~79~~01 9+r~03~L++0 21 22 23 24 26 27 28 29 30 31 ACTION FUTURE EFFECT SHUTDOWN ATTACHMENT NPRDQ PRIME COMP.COMPONENT TAKEN ACTION ON PLANT METHOD HOURS l@2 SUBMITTED FORM SUB.SUPPLIER MANUFACTURER Q18~Z Q18~ZQ20~Z Q27 0 0 0 0~N Q23~N Q24~A Q28 G 1 9 0 Q28 33 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS Q27 o Construction requirements at the time of installation (1975-1977) did not detail anchor bolt torqueing requirements.

Nuts worked loose during system operation.

Nuts were torqued to current requirements, and pump was then declared operable.These anchor 3 bolts will continue to be inspected in accordance with the station IS I program.4 7 8 9 FACILITY STATUS%POWER OTHER STATUS Q E 1 0 0 NA 44 METHOD OF DISCOVERY GR~Q28~CQ31 7 8 9 10 12 13 44 45 46 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNT OF ACTIVITY 6~Z Q33~ZQ34 NA 7 8 9 10 11 45 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Q39 7~000 0 0 0Q3 7 Z Q3 8 NA 7 8 9 11 12 13 PERSONNEL INJURIES NUMBER DESCRIPTIONQ41 8~00 OQR NA DISCOVERY DESCRIPTION Q32 IE Bulletin 79-14 LOCATION OF RELEASE 80 80 80 80 7 8 7 8 o 7 8 9 11 12 LOSS OF OR DAMAGE TO FACILITY 43 TYPE DESCRIPTION Z Q4, NA 9 IO PUBLICITY ISSUED DESCRIPTION

~~NQ44 NA 9 10 80 80 79102203~NRC USE ONLY Tohn T.St Martin NAME OF PREPARER 7 68 69 80 ER PHDNE.7 1 6/546-2700, ext~29 1-253