ML18353A843

Licensee Event Report AO-75-27 - Discharge of Cooling Water to Be 45.5 Degrees F, & Delta-T Above 5oF Limit

ML18353A843
Person / Time
Site:	Palisades
Issue date:	04/05/1976
From:	Sewell R Consumers Power Co
To:	James Keppler Office of Nuclear Reactor Regulation
References
LER AO-1975-027-00
Download: ML18353A843 (2)

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consumers

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

• Area Code 517 788-0550 January 5, 1976 Mr. J. G. Keppler US Nuclear Regulatory CoIDinission 799 Roosevelt Road Glen Ellyn, IL 60137 DOCKET 50-255, LICENSE DPR-20 PALISADES PLANT Transmitted attached is a "License Event Report" for the Palisades Plant.

• • Ralph B. Sewell Nuclear Licensing Administrator CC: Director of Nuclear Reactor Regulation, USNRC

• r 1976 217

.* , {I) lcENSEE EVENT REPORT Palisades

• CONTROL BLOCK:l I *I I - I I [PLEASE PRINT ALL REQUIRED INFORMATION]

6 l~EE 1

NAME f3)

LICENS°E NUMBER .

uc'*'te TY.PE .

{,,{J TYPE

~ IM I I I p I A I LI i I I 0 I 0 1-1 0 I 0 I .0 I 0 I 01-1 0 I 0 J ~4 I 1 I 1 I 1 I 11 I 9 I 9 f 7 B9 14 15 . 25 6 30 31 32

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CATEGORY.

REil~ RE~RT.

TY.PE. SOURCE DOCKeT(~MBER .

(lo)

EVENT DATE

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REPORT DATE 7

@IT)coNT B

I* I* I 57 5B L1J 59 lJJ lo ls lol-1oj21-51 sJ 69 60 61 ea l1l2l2J1l115I lol1f ol5l715l 74 75 80 EVENT &'E~RIPTION

• 10(21 I When the 'A' cooling *tower pump was removed from service following plant shutdown, the I 7 B 9 80 lol3I I water lost to the mixing basin caused the temperature at discharge to be 45. 5 degrees I 7 B 9 ' BO lol41 I F .* The del ta-T was 8. 4 degrees F which .is above the Tech Spec limit of 5 degrees F. I 7 B 9 BO lolsl I Due to t;he infrequency of occurrence and the negligible impact on environment , a Tech I 7 B 9 80 lolsl I Spec Change has been requested to permit sl!ort periods of time (continued on Li"ne 18) I 7 B 9 l/ J\ (/I/) ~l.'rl PRME06) //')) £ 'J~a'

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• 80 SYST{M C~USE .> ./ COMPONENT CO"""PoNiNT '~

SUPPlal MANUFACTURER w w COOE CODE COMPO ENT. CODE

@01 Hf Fj' W !vi Al Livi olPI IBl215IOI 7 B 9 10 11 12 17 43 44 47 48 CAUSE DESCRIPTION {J 'I) fojej I The valve closing time is too slow to prevent weir overflow following pump trip. I 7 8 9 BO lolsl 89 BO

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IA~e!v . % ~WER t;..1) l~ lJ Mk~ OF ' (:2. 'i) BO EEi8 7

STATUS

• [QJ 9

I ol ol 0 I .l_.

10 12 13 OTHER STATUS

. ___NA_ _ __..I 44 w

DISCOVERY 45 46 DISCOVERY'DESCRIPTION I Environmental Monitoring Progra.rn.

80 FORM OE r)

ACTIVIT~.fj CONTENT (;..i,)

l A 1/1 1 (~*~)

7 rn B Rr~sro OF r~Lrsf l.____A_M_O-UN_T_o_~-~-C-TIV_IT_Y._ __.I 9 10 11 44 45 LOCATION at RELEASE NA I BO EEJ I 01 PERSONNEL EXPOSURES NUMBEF(.29}

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DESCRIPTION(.1/)

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7 8 9 11 12 13 80 PERSONNEL INJURIES NUMBE~?j DESCRIPTION(.3.J}

EEJ lol ol ol ~----"'NA_____________________________________~--------J 7 8 9 11 12 13 't) 80 Probable Consequ'ences

~ I No effect on public health and safety.

7 8 9 80 LOSS OR DAMAGE TO FACILITY

!Y.Prp~7 DESCRIPTION @ 6)

EID LIJ 7 89 *10 NA 80 PUBLICITY (3 '))

EE) I Copies of this report are being.sent to MI news.media.

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80

• ADDITIONAL FACTORS

~ l with delta-T above 5 degrees F. (A0-75-27) 7 a. 9 BO