ML18352A342

Licensee Event Report ER-76-013, Discharge of Cooling Water Above 5oF Limit

ML18352A342
Person / Time
Site:	Palisades
Issue date:	05/21/1976
From:	Bixel D Consumers Power Co
To:	James Keppler NRC/RGN-III
References
LER 1976-013-00
Download: ML18352A342 (2)

Text

~-JI consumers

• Power company General Offices: 212 West Michigan Avenue, Jackson, Michigan 49201

• Area Code 517 788-0550 May 21, 1976 Mr James G. Keppler .

Office of Inspection Enforcement Region ITI US Nuclear Regulatory Com.mission 799 Roosevelt Road Glen Ellyn, IL 60137 DOCKET 50-255, LICENSE DPR-20 ...

PALISADES PLANT - ER:.._76-13 DISCHARGE ABOVE 5°F LIMIT

• Attached is a reportable occurrence which relates to the Palisades Plant, This occurrence involves the discharge of cooling water above the 5°F limit and has been classified as a prompt reportable event.

David A, Bixel Assistant Nuclear Licensing Administrator

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• LICENSEE EVENT REPOR*

CONTROL BLOCK: ._I__.____...l__.l___.l_..1...........1 Palisades (PLEASE PRINT ALL REQUIRED INFORMATION]

• 1 6 UCEN SEE LICENSE EVENT NAME LICENSE NUMBER TYPE TYPE

@El jl-11 rlPI AILI ii 10101-10101010101-10101 14111111111 I o 111 7 B9 14 15 25 26 30 31 32 REPORT REPORT

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DOCK~ NUMBER lol 51 ol-1 01215151 EVENT DATE lol5IOl717161 REPORT DATE 1015121111161 7 B 57 5B 59 60 61 BB 69 74 75 BO EVENT DESCRIPTION lol2l !During start-up/shutdown of the plant cooling towers on May 7 and May 9, 1976, I 7 B 9 BO IPl3f I four events occurred which resulted in discharging water above the 5°F limit. On I 7 89 00 lol41 I two of these occasions the 500 million Btu/h limit was exceeded. Most discharges I 7 89 . 00 lol51 I occurred at 6°F over the limit. One event discharged at iv30°F over limit for 10 I 7 89. 80 lolsl f minutes and averaged 18°F over limit. I 7 8 9 PRME BO SYSTEM CAUSE COMPONENT COMPONENT CODE - CODE COMPONENT CODE SUPPi.ER MANUFACTURER VIOLATION 7

@01HIFI 8 9 10 W

11 l.zlzlzlzlzlzl 12 17 w 43 Iz I z I z 44 IzI 47 Lx..I 48 CAUSE DESCRIPTION 7

lolal I During plant start-up following the first refueling outage a cooling tower had to 8 9 80 I

. 10101 lbe removed from service to'repair .a leaking condenser tube. The events occurred I

• 7 8 9 BO IT@] I related to this process or to that involving placing of the cooling towers in* I 7 8 9 BO FACILITY METHOD OF DISCOVERY DESCRIPTION w

STATUS  % POWER OTHER STATUS DISCOVERY Em8 7

L£J 9 10 I I 12I 13 NA I 44 45 I

46 NA 80 FORM OF ACTIVITY CONTENT RELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE rn w 7 8 9 WI 10 11 NA I 44 45 NA 80 PERSONNEL EXPOSURES

• NUMBER TYPE DESCRIPTION 7

~I ololol 8 9 11 w12 13 'v 80 PERS'ONNEL INJURIES NUMBER DESCRIPTION

[iEl 1010101 NA 7 8 9 11 12 80 PROBABLE CONSEQUENCES

~ None 7 8 9 80 LOSS OR DAMAGE TO FACILITY TYPE DESCRIPTION

[2]], ~ NA 7 8 9 10 80 PUBLICITY

[ill] NA 7 8 9 80 ADDITIONAL FACTORS

• ~ I (Contd From Cause) service. NPDES limits were not exceeded. We are reviewing this I 7 8 9 80 EJfil I occurrence in relation to present licensing action involving operation of the I 7 .8 9 cooling towers. BO