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

NRC FORM 366 I7-77) r CONTROL BLOCK:

1 f

-

6 Qi 79-019/

CENSEE EVE NT REPORT U. S. NUCLEAR REGULATORY COMMISSION

~

{PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

-

(OAR 1339)

[oat N Y R B G 1Q20 0 0 0 0 0 0 0 0 25 Q34 1 1 1 1 QE~QE 7 8 9 LICENSEE CODE 14 15 LICENSE NUMBER 26 LICENSE TYPE 30 57 CAT 58 CON'T REDRT 0 2 4 4 0 9 9

~8 ~LQB 5 0 0 0 7 0 9 1 9 7 9 B 1 1 7 QB 7 8 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 7 8 9 80 SYSTEM CAUSE CAUSE COMP. VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE

~OB ~OH Q77. ~B Q72 ~O Q73 9 U P 0 R T Q74 ~B Q78 ~Z QE 7 8 9 10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION Q17 LERIRO REPoRT ACTION FUTURE EVENT YEAR

~79 21 22 EFFECT

~

23 SHUTDOWN

~01 24 REPORT NO.

9 26

+r 27

~03 28 ATTACHMENT CODE 29 NPRDQ TYPE

~L 30 PRIME COMP.

+31

+0 NO, 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 80 FACILITY Q METHOD OF 7 8 STATUS 9

E GR ~Q28 10 1

% POWER 0 0 12 13 OTHER STATUS NA 44 DISCOVERY

~CQ31 45 46 IE Bulletin 79-14 DISCOVERY DESCRIPTION Q32 80 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE 6 ~Z Q33 ~ZQ34 NA 7 8 9 10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Q39 7 ~0000 00Q3 7 Z Q3 8 NA 7 8 9 11 12 13 80 PERSONNEL INJURIES NUMBER DESCRIPTIONQ41 7

8 8

~00 9

OQR 12 NA 11 80 LOSS OF OR DAMAGE TO FACILITY 43 TYPE DESCRIPTION Z Q4, NA 7 8 9 IO 80 o

ISSUED

~NQ44 PUBLICITY DESCRIPTION ~ NA 79102203~ NRC USE ONLY 7

7 8 9 10 68 69 80 ER NAME OF PREPARER Tohn T. St Martin PHDNE.7 1 6/546-2700, ext 29 1- 253 ~