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

• *

• _,,-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 ,'**, . */ .. consumers Power company 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

• • Palisades

• [PLEASE PRINT ALL REQUIRED INFORMATION) 1 u:ftle t£J TYPE TYPE 111111111 B 30 I 9 I 9 I 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 a s 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 a s 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'/)

PRME06) /J 'J) . ht>)' BO SYST{M .J J COMPONENT ( '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 *1i Bl 7 f!°ACIUtY . I :u J (;J. 2.) ME1'ff011' OF (:i. 'I J STATUS %

OTHEFI STATUS DISCOVERY DISCOVERY' DESCRIPTION.

• f.Q_j I ol ol 0 I NA I w I Environmental Monitoring Progra.Itl EJ2] 7 8 9 10 12 13 44 45 46 FORM OF.* r1 / 1 1 CONTENT (;i.t,,) L;( 1/ rn OF

._I ___

__ __.I (:1.',p) . LOCATION of RELEASE NA 7 8 9 10 11 ,44 45 PERSONNEL EXPOSURES 80 80

9) rpf DESCRIPTION(.:U)

[ill] I 01 01 01 z .':::--* ___ 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 12 13 'I) BO Probable consequ'ences I No effect on public health and safety. 7 8 9 LOSS OR DAMAGE TO FACILITY [YPEfUJ. DESCRIPTION t1 b) E1fil LIJ NA 7 8 9

• 10 PUBLICITY (3 ')) EE] l Copies of this report are being sent to MI news.media.

• 89 ADDITIONAL FACTORS (} I with delta-T above 5 degrees F. (A0-75-27) 7 89 80 80 I 80 1 ___ ,, !°" BO rn 7 osr---------------------------------------------------------8..JO