05000244/LER-1979-019-03, /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

/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: 05000244/LER-1979-019, Frowards LER 79-019/03L-0 05000244/LER-1979-019-03, /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
References
LER-79-019-03L, LER-79-19-3L, NUDOCS 7910220354
Download: ML17261A145 (2)

LER-1979-019, /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

Event date:
Report date:
2441979019R03 - NRC Website

text

U. S. NUCLEAR REGULATORY COMMISSION NT REPORT

~

(OAR 1339)

{PLEASE PRINT OR TYPE ALLREQUIRED INFORMATION)

NRC FORM 366 I7-77) r f

79-019/

CENSEE EVE CONTROL BLOCK:

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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

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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 feedwater 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

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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 willcontinue to be inspected in accordance with the station ISI 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 AMOUNTOF ACTIVITY 6

~Z Q33

~ZQ34 NA 7

8 9

10 11 45 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Q39 7

~0000 00Q3 7 Z

Q38 NA 7

8 9

11 12 13 PERSONNEL INJURIES NUMBER DESCRIPTIONQ41 8 ~00 OQR NA DISCOVERY DESCRIPTION Q32 IE Bulletin 79-14 LOCATIONOF RELEASE 80 80 80 80 7

8 7

8 o

7 8

9 11 12 LOSS OF OR DAMAGETO 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