ML18353A845
| ML18353A845 | |
| Person / Time | |
|---|---|
| Site: | Palisades  |
| Issue date: | 12/22/1975 |
| From: | Bixel D Consumers Power Co |
| To: | James Keppler NRC/RGN-III |
| References | |
| LER UE-1975-013-00 | |
| Download: ML18353A845 (2) | |
Text
consumers Power company General Offices: 212 West Michigan Avenue, Jackson, Michigan 49201
- Area Code 517 788-0550 December 22, 1975 Mr James G. Keppler.
Office of Inspection Region III US Nuclear Regulatory 799 Roosevelt Road Glen Ellyn, IL 60137 Enforcement Commission DOCKET 50-255, LICENSE DPR-20 PALISADES PLANT, REPORTABLE OCCURRENCE UE-75-13 Attached is a reportable occurrence which relates to the Palisades Plant and has been classified as a condition leading to operation in a degraded mode.
Plant Technical Specifications permit operation to continue for 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> with unidentified primary coolant system leakage between 1 and 10 gpm.
Leakage was identified at a sample isolation valve.
David A. Bixel Assistant Nuclear Licensing CC:
File
REPORT
.NSEE EVENT
- C_(!~J~OL BLOCK:.... I __.____.l~.._I _._I ___.._I___.!
[PLEASE PRINT ALL REQUIRED INFORMATION)
LICENSEE NAME IM I I Ip I A I LI i I 8 9 14 CATEGORY 1
6 LICENSE NUMBER Io Io 1-1 o I o lo lo I o 1-1 o I o I 15 25 REPORT SOURCE DOCKET NUMBER LICENSE TYPE l411l1l1l1I 26 30 EVENT DATE EVENT TYPE I
31 32 REPORT DATE
@IT!coN'T I* I* I 7
8 57 58 REPORT TYPE w 11.J lo Is Io I~ I o I 2 I s I 5 I I 1l1 l2 l2 l1lsl 11 I 2 I 2 I 2 I 1 I s I 59 60 61 68 69 74 75 80 EVENT DESCRIPTION 10121 !During normal operation, 7
8 9 PCS leakage was observed to be slightly greater than 1 gpm 10131 I (unidentified) for about two hours.
Leakage was subsequently identified at a sample 7
8 9 lol41 I isolation valve.
7 8 9 This occurrence was a condition leading to operation in a degraded lo15l !mode and is permitted for 7
8 9 a period of 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> with plant operating.
lol0I I was com:i;>leted (UE-75-13).
7 8 9 SYSTEM CODE
@0 I LI sl 7
8 9 10 CAUSE CODE w 11 CAUSE DESCRIPTION COMPONENT CODE I v I A I L I vi El x I 12 17 PRIME COMPONENT SUPPLIER
~
43 COMPONENT MANUFACTURER
- I 61 1 I 61 s 1 44 47 VIOLATION L!J 48 Valve repair
~ I Valve leakage.
7 8 9 The valve type is SS-64-9-RS-AI-NC.
The valve has been temporarily
@:Jfil capped.
7 8 9 I
80 I
80 I
80 I
80 I
80 80 80
~
9~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~-8~D
~
E FACILITY METHOD OF STATUS
% POWER OTHER STATUS DISCOVERY EE]
~ I 0 I 1 I 9 I NA l.!J 7
8 9
10 12 1 3 44 45 FORM OF ACTIVITY RELEASED CONTENT OF RELEASE AMOUNT OF ACTIVITY rn LzJ
~I.._ ___
N_A ___
7 8
9 10 11 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION
~lo lo lo I LzJ 7
8 9 11 12 13 PERSONNEL INJURIES NUMBER DESCRIPTION EE lo lo Io I 7
8 9 11 12 PROBABLE CONSEQUENCES
~ None.
7 8 9 LOSS OR DAMAGE TO FACILITY TYPE
~l&J 7
8 9 DESCRIPTION NA 10 PUBLICITY
[2£1 NA 7
8 9 ADDITIONAL FACTORS NA 7
8 9 GE 7
8 9 44 NA NA 45 DISCOVERY DESCRIPTION NA 46 80 LOCATION OF RELEASE NA 8D 80 80 80 80 80 80 80 I-.
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