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)

Text

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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 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

• I CONTROL BLOCK: 1...______.._....___.....,.6 .I [PLEASE P~INT ALL REQUIRED INFORMATION] .

LICENSEE LICENSE EVENT NAME LICENSE NUMBER TYPE TYPE 1 IM I I Ip IA IL I 1 I lolo 1--lololololol-lolol l411l1l1l1I 1-0 I 3 I 7 8 9 . 14 15 25 26 . 30 31 32

' REPORT REPORT DOCKl;T NUMBER EVENT CATE REPORT CATE

@IT] CON'T I.....___,I 78 57 58 w w TYPE 59 SOURCE 60 I61ols lol-lo 12151568I l1lol2 lol1l6I I751 I 1 I. i I.1 I 1 I 680I 69 74 EVENT DESCRIPTION 10'21 I Plant operational problems resulted in tripping of the cooling tower pumps. Re- I 7 8 9 . . 80 lol3I I establishment of water box vacuum and pump starting lead to a discharge tempera- I 7 8 9 80 lol41 7 8 9 I ture above . .

the 5°F limit. The maximum temperature was 0.4°F over the limit and I 80 10151 I the total time over the limit was 8 minutes. (ER-76-34) I 7 8 9 80 lolsl 80 7 8 9 PRIME SYSTEM CAUSE COMPONENT CEJMPONENT COMPONENT COOE SUPPl..IER MANUFACTURER VIOLATION w

COOE CODE 7

@0 IHJFI 8 9 10 l!J 11 lzlzlzlzlzlzl 12 17 w43 Iz I ZI z. I z47I 44 48 CAUSE DESCRIPTION lol0I I To reestablish a vacuum in the condenser water box and permit restart of the pumps I 7 8 9 . . . BO

~ I some coolant flow was required. This flow caused the discharge limit to be ex- I 7 B 9 80

~ I ceeded for a short period of time. NPDES limits were not exceeded. I WBs FACILITY . METHOO OF 80 w

STATUS  % POWER OTHER STATUS DISCOVERY DISCOVERY DESCRIPTION EE18 7

L£J 9

I 0 I 0 I 0 I -----*N_A_ ___.I 10 12 13 44 45 46 NA 80 FORM OF rn ACTIVITY CONTENT Rl~SiD r~LiSE l.____AM_o_u_N_T_~-~-A-CT,...IV_IT_Y_ __,I LOCATION OF RELEASE OF I NA 7 8 9 10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE OESCRIP.TION 7

~lololol B 9 11 W12 13 NA 80 PERSnNNEL INJURIES NUMBER DESCRIPTION

~I ololol NA 7 8 9 11 12 80 PROBABLE CONSEQUENCES

~ None 7 B 9 80 LOSS OR DAMAGE TO FACILITY TYPE DESCRIPTION ITifil8 9liJ 7 10 NA 80 PUBLICITY

[ill] NA 7 8 9 BO

• ADDITIONAL FACTORS 7 8 9 BO l1lfil8 9 7 BO

~

-* _Iii' CONTROL BLOCK:

LICENSEE NAME 9.1cENSEE EVENT REPORT

. _I___.__._I__,___.._.,.j~'

1 5*

LICENSE NUMBER

[PLEASE PRINT ALL REQUIRED INFORMATION]

LICENSE TYPE EVENT TYPE

~IMlrlPIAILl1I lolol~lolololol ol-lolol 14111111111 I oI 3 I 7 8 9 14 15 25 26. 30 31 32 REPORT REPORT TYPE. REPORT DATE w SOURCE OOCKE;T NUMBER EVENT DATE

@IT] CON'T ~I,.........,~I L1J lol 51ol-101215151 1110121617161 1111111111161 7 8 57 58 . 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 . 80 lol51 I and the maximum temperature was 11°F over the limit. (ER-76-35) I 7 8 9 80 lol61 7 8 9 PANE 80 SYSTEM CAUSE COMPONENT COMPONENT CODE CODE . COMPONENT CODE SUPPlER MANUFACTURER VIOLATION

@El I HI 7 8 9 10 F I L!.J 11 lz I z I zI z I z I z I 12 17 w43 1z1z1z1z1 44 47 w48 CAUSE DESCRIPTION Iola! I The three events are. related to placing the cooling towers in service in I 7 89 80 lolsl I preparation f'or plant start-up. NPDES limits were not exceeded. I 7 B 9 . 80

~9.!;----------~------------------------------------....,..-------------------------------------.180

~E FACILITY METHOD OF OTHER STATUS DISCOVERY DISCOVERY DESCRIPTION w

STATUS  % POWER fill]

7 B L£J 9

I ol o Io I 10 12 13 NA I 44 45 I

46 NA 80 FORM OF ACTIVITY CONTENT RELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE E§1 W L!.J I..__ _~---~ NA I 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 10 NA 7 B 9 80 PUBLICITY 7 B 9 80 illfilB 9 7 80