ML18348A277

License Event Reports 1976-034-00 & 1976-035-00 Re Discharge Cooling Water Above 5oF Limit

ML18348A277
Person / Time
Site:	Palisades
Issue date:	11/11/1976
From:	Bixel D Consumers Power Co
To:	James Keppler NRC/RGN-III
References
LER 1976-034-00, LER 1976-035-00
Download: ML18348A277 (3)

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

• Area Code 517 788-0550 November 11, 1976 Mr James G Keppler Office of Inspection and Enforcement Region III US Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137 DOCKET 50-255 -LICENSE DPR-20 -PALISADES PLANT -ER-76-34 AND 35 DISCHARGE ABOVE 5°F LIMIT Attached are two reportable occurrences which related to the Palisades Plant. These occurrences involve the discharge of cooling water above the 5°F limit. However, the plant NPDES limits were not exceeded.

David A Bixel Assistant Nuclear Licensing Administrator NOV 151976

.ICENSEE EVENT REPORT

• CONTROL BLOCK: I . I [PLEASE ALL REQUIRED INFORMATION] . 1..._ _____ .._...._ __ .....,.6 ' LICENSEE NAME 1 IM I I Ip IA IL I 1 I 7 8 9 . 14 LICENSE NUMBER lolo 1--lololololol-lolol 15 25 LICENSE TYPE l411l1l1l1I 26 . 30 EVENT CATE EVENT TYPE 1-0 I 3 I 31 32 REPORT CATE @IT] CON'T ..... I __ _,I 78 57 58 REPORT TYPE w REPORT SOURCE w DOCKl;T NUMBER I ols lol-lo 121515 I l1lol2 lol1l6I I 1 I 1 I. i I 1 I 1 I 6 I 59 60 61 . 68 69 74 75 . 80 EVENT DESCRIPTION 10'21 I Plant operational problems resulted in tripping of the cooling tower pumps. Re-7 8 9 . . lol3I I establishment of water box vacuum and pump starting lead to a discharge tempera-7 8 9 lol41 I ture above the 5°F limit. The maximum temperature was 0.4°F over the limit and 7 8 9 . . 10151 I the total time over the limit was 8 minutes. 7 8 9 lolsl 7 8 9 SYSTEM CAUSE COOE CODE @0 IHJFI l!J 7 8 9 10 11 CAUSE DESCRIPTION COMPONENT COOE lzlzlzlzlzlzl 12 17 PRIME COMPONENT SUPPl..IER w 43 CEJMPONENT MANUFACTURER I z I ZI z I z I 44 . 47 (ER-76-34)

VIOLATION w 48 I 80 I 80 I 80 I 80 80 lol0I I To reestablish a vacuum in the condenser water box and permit restart of 7 8 9 . . . the pumps I BO I some coolant flow was required.

This flow caused the discharge limit to be ex-7 B 9 I ceeded for a short period of time. NPDES limits were not exceeded.

WBs FACILITY . METHOO OF STATUS % POWER OTHER STATUS DISCOVERY EE1 L£J I 0 I 0 I 0 I -----* N_A __ __.I w 7 8 9 10 12 13 44 45 FORM OF ACTIVITY CONTENT rn OF l._ ___ AM_o_u_N_T

__ _,I I 7 8 9 10 11 44 45 PERSONNEL EXPOSURES NUMBER TYPE OESCRIP.TION W NA 7 B 9 11 12 13 PERSnNNEL INJURIES NUMBER DESCRIPTION ololol NA 7 8 9 11 12 PROBABLE CONSEQUENCES None 7 B 9 LOSS OR DAMAGE TO FACILITY TYPE DESCRIPTION ITifil liJ NA 7 8 9 10 PUBLICITY

[ill] NA 7 8 9

• ADDITIONAL FACTORS 7 8 9 l1lfil 7 8 9 46 DISCOVERY DESCRIPTION NA LOCATION OF RELEASE NA I 80 I 80 80 80 80 80 80 80 BO BO BO

-* _Iii' 9.1cENSEE EVENT REPORT

• CONTROL BLOCK: .._I ___.__._I

[PLEASE PRINT ALL REQUIRED INFORMATION]

LICENSEE NAME 7 8 9 14 REPORT TYPE. 1 5* LICENSE NUMBER ol-lolol 15 25 REPORT SOURCE OOCKE;T NUMBER LICENSE TYPE 14111111111

26. 30 EVENT DATE EVENT TYPE I o I 3 I 31 32 REPORT DATE @IT] CON'T 7 8 57 58 w L1J lol 51ol-101215151 1110121617161 1111111111161 . 59 60 61 68 69 74 75 . 80 EVENT DESCRIPTION 10121 I During plant start-up on October 26 and 27, 1976 three events occurred which re-I 7 8 9 . 80 lol3l I sulted in discharge water al)ove the5°F limit. The disi;harges averaged about 3°F I 7 8 9 80 lol41 I over the limit. The total time over the limit f'or all three events was 88 minutes . I 7 8 9 . lol51 I and the maximum temperature was 11°F over the limit. 7 8 9 lol61 7 8 9 SYSTEM CAUSE CODE CODE . COMPONENT CODE @El I HI F I L!.J lz I z I z I z I z I z I 7 8 9 10 11 12 17 CAUSE DESCRIPTION PANE COMPONENT SUPPlER w 43 COMPONENT MANUFACTURER 1z1z1z1z1 44 47 80 (ER-76-35)

I 80 80 VIOLATION w 48 Iola! I The three events are. related to placing the cooling towers in service in I 7 8 9 80 lolsl I preparation f'or plant start-up.

NPDES limits were not exceeded.

I 7 B 9 . 80 FACILITY METHOD OF STATUS % POWER OTHER STATUS DISCOVERY DISCOVERY DESCRIPTION fill] L£J I ol o Io I NA I w I NA 7 B 9 10 12 13 44 45 46 80 FORM OF ACTIVITY CONTENT RELEASED OF RELEASE E§1 W L!.J I.._ __

AMOUNT OF ACTIVITY I LOCATION OF RELEASE NA NA 7 8 9 10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION [olo I ol l1_J NA 7 8 9 . . 11 12 13 80 PERS.ONNEL INJURIES NUMBER DESCRIPTION EE] 1010101 NA 7 B 9 11 12 80 PROBABLE CONSEQUENCES None 7 8 9 80 LOSS OR DAMAGE TO FACILITY TYPE DESCRIPTION (Ifil liJ NA 7 B 9 10 80 PUBLICITY 7 B 9 80 illfil 7 B 9 80