ML18353A842

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

ML18353A842
Person / Time
Site:	Palisades
Issue date:	01/05/1976
From:	Sewell R Consumers Power Co
To:	James Keppler Office of Nuclear Reactor Regulation
References
LER AO 1975-027-00
Download: ML18353A842 (2)

Text

_,,-

consumers

• Power company January 5, 1976

/

Mr. J. G. Keppler US Nuclear Regulatory Commission ,'**,

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 (Signed)

Ralph B. Sewell Nuclear Licensing Administrator CC:, Director of Nuclear Reactor Regulation, USNRC 111

.*---=-- .*

• IEN~EE ** Palisades

[PLEASE PRINT ALL REQUIRED INFORMATION) 1 u:ftle TYPE t£J TYPE

~4 111111111 I 9 I 9 I B 30 31 32 (lo) (//)_

EVENT DATE REPORT DATE l1l2l2J1l1J5I lol11ol5l7l51 69 74 75 BO lo'2f I When the 'A' cooling tower *pump was removed from service following plant shutdown, the I 1 as ea

@Ifil I water lost to the mixing basin caused the temperature at discharge to be 45. 5 degrees I 7 89 . ~

@El IF.* The delta-Twas 8.4 degrees F which .is above the Tech Spec limit of 5 degrees F. I 1 as ea folsl I Due to the infrequency of occurrence and the negligible impact on environment, a Tech I 7 8 9 80 lolsl I Spec Change has been requested to permit sJ:tort periods of time (continued on Li'ne 18) I 7 8 9 (I j\ fl'/) ~1.*.r-I PRME06) /J 'J) . ht>)' BO SYST{M C~USE .J J COMPONENT CO~PoNiNf ( '4' CODE CODE COMPO ENT CODE 6UPPUER MANUFACTURER VD.ATON

@El I Hf Ff' W I vi Al LI vi ol PI W I BI 21 5 I ol W 7 8 9 10 11 12 17 43 44 47 48 CAUSE DESCRIPTION {/ 'I)

Iola! I The valve closing time is too slow to prevent weir overflow following pump trip. I 7 8 9 80 lolsl

• 1i7 89!:--/~~~0:-;-)~~~~~------~------~--,.7~~~}-.,....-------------~~----~~----B~O f!°ACIUtY . I :uJ (;J. 2.) ME1'ff011' OF (:i. 'I J Bl

~WER EJ2]

7 8 STATUS

• f.Q_j 9 10 I ol ol 0 I 12 13 OTHEFI STATUS NA 44 I w DISCOVERY 45 I Environmental 46 DISCOVERY'DESCRIPTION.

Monitoring Progra.Itl 80 FORM OF.* r1 / 1 1 (:1.',p) .

ACTIVIT~~/ CONTENT (;i.t,,) L;( 1/

of rn Rr~S,EO OF r~LrS~ ._I___AM_O_u_N.,....T-0-~-~;....CT-IV_ITY_ ___.I LOCATION NA RELEASE 7 8 9 10 11 ,44 45 80 PERSONNEL EXPOSURES NUMBE~ 9)

[ill] I 01 01 01 rpfz .':::--*___

~ DESCRIPTION(.:U)

N_A_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _-.J 7 8 9 11 12 13 BO PERSONNEL INJURIES NUMBEflQ1!} OESCRIPTIDN(lJ}

'EE] I o I o I ol NA 7 8 9 11 ~-----------------------------------------------------~-----------1 12 13 'I) BO Probable consequ'ences

~ I No effect on public health and safety.

7 8 9 80 LOSS OR DAMAGE TO FACILITY

[YPEfUJ. DESCRIPTION t1 b)

E1fil LIJ 7 8 9

• 10 NA 80 PUBLICITY (3 '))

EE] l Copies of this report are being sent to MI news.media.

I 89 80

• ADDITIONAL FACTORS (} ~).

~ I with delta-T above 5 degrees F. (A0-75-27) 7 89 1___ , BO rnosr---------------------------------------------------------8..JO 7

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