ML19210E379

LER 79-054/03L-0:on 791029,standby Diesel Engine 1B Tripped on High Cooling Water Temp During Surveillance Test.Caused by Incorrect Lineup of Cooling Water Valves.Cooler Isolated to Repair Cooling Water Tube Leak.Operator Reinstructed

ML19210E379
Person / Time
Site:	Fort Saint Vrain
Issue date:	11/28/1979
From:	Gahm J PUBLIC SERVICE CO. OF COLORADO
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19210E378	List: ML19210E377 ML19210E379
References
LER-79-054-03L, LER-79-54-3L, NUDOCS 7912040433
Download: ML19210E379 (1)

Text

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NRC FORM 363 U. S. NUCLEAR REGULATORY COMMISSION (7 71)

LICENSEE EVENT REPORT CONTROL BLOCK: l 1

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(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

ITT 8l I9 c l 01 7

e l S I v i 1411@l LICENSEE CODE 15 010 l- 1010101010 LICENSE NUM8ER l- 01025l@l41111 26 l210 l@l57 CAT LICENSE TYPE JO I

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OATE EQ

? 8 60 61 DOCKET NUMBER 68 69 EVENT OATE EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h o 2 l Standbv diesel engine 1B tripped on high cooling water temOerature during surveillancel Reportable per Fort St. l g I test because cooling water valves were lined up incorrectly.

0 4 iVrain Technical Specification AC 7.5.2(b)3. No accompanying occurrence. Cooler l O s l isolated, bypass not opened. No affect on public health or safety. Redundant diesel o s Iengine available and operable. I O 7 I I 8

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E CODE SUSC E COMPON ENT CODE SUS ODE SU E 7

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9 10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LER EVENT YEAR REPORT No. CODE TYPE N O.

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CAUSE DESCRIPTION AND CORRECTIVE ACTIONS 1 O I Standbv diesel engine 1B cooler isolated to repair cooline water tube leak. Clear- l i1 1 l ance point form specified opening cooler hvoass valve. Valve was not opened as re- l 1 2 l quired. Operator reinstructed. Cooling water restored. Surveillance test com- l 3 l oleted. l 1 4 l I 7 8 9 80 STA %POWCR OTHER STATUS 015 RY DISCOVERY OESCRIPTION 1 5 I Gl@ 0 l 0 l 0 l@l N/A l lBl@l Surveillance Test l ACTIVITY CO$ TENT RELEASEO OF RELEAM A.*.90VNT OF 4CTIVITY LOCATION OF RELEASE l TTI I Z @ LZ_j@ N/A l l N/A l

' * * ' " 8 PERSONNEt ExPOSSES NUMBER TYPE DESCRIPTION 1 7 l 0l 0 0l@lZ '

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' ' ' ,ERSONNE't mu' RIES NUMBER DESCRIPTION i l a

1 01 01 01@l12 N/A 80 7 8 9 11 LOSS OF OR OAMAGE TO FACILITY

, , "ilg\ "RIX" h00$p hiN@l195\n 1475 134 l 7 8 9 to ~ " " u u u U ffl j l L 30 2 0 912040t M i ,,, f"hiilj NAME OF PREPARER,, -[ J. W. Gahm PHONE:

(35)735-2253 o

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