ML18353A844
| ML18353A844 | |
| Person / Time | |
|---|---|
| Site: | Palisades  |
| Issue date: | 12/22/1975 |
| From: | Bixel D Consumers Power Co |
| To: | James Keppler NRC/RGN-III |
| References | |
| LER UE-1975-011-00, LER UE-1975-012-00 | |
| Download: ML18353A844 (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 Enforcement Region III US Nuclear Regulatory Commission 799 Roosevelt Road Gle~ Ellyn, IL 60137 DOCKET 50-255, L~CENSE DPR-20 PALISADES PLANT, REPORTABLE OCCURRENCES UE-75-11 & UE-75-12 Attached is a reportable occurrence report 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 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> with an additional 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> allowed to reach the hot shutdown condition.
The pump was out of service for 29 hours3.356481e-4 days <br />0.00806 hours <br />4.794974e-5 weeks <br />1.10345e-5 months <br /> and plant shutdown was not required.
c;9-~d~
David A. Bixel
/~
Assistant Nuclear Licensing Administrator CC:
File
CONTROL BLOCK: I 1
liiWENSEE EVENT REPORT
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I ~ I I I
[PLEASE PRINT AU REQUIRED INFORMATION]
LICENSEE NAME aiifil IM I I I p I Al LI ii
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9 14 CATEGORY REPORT TYPE 6
LICENSE NUMBER lolol-lol ol olo lol-lolol 15 25 REPORT SOURCE LICENSE TYPE I 4 I i 11 I i 11 I 26 30 EVENT DATE EVENT TYPE lo I 3 I 31 32 REPORT DATE
@illcoN'T r
- I
- I 7
8 57 58 l.J;J lbJ DOCKl;T NUMBER I o I 5 I o I ~ I o 12 I 5 I 5 I 1111121211151 1112121211151 59 60 61 68 69 74 75 80 EVENT DESCRIPTION lol2I I During normal operation, LPSI 7
8 9 pump seal leakage was observed while performing a I
80 10131 I periodic test.
The pump was removed from service and the redundant pump demonstrated I 7
8 9 lol41 I operable.
7 8 9 There are no records of previous problems.
The seal was replaced with a
~ I similar unit (UE-75-11 & -12).
7 8 9
[oj6I 7
8 9 SYSTEM CODE
@0 Is IF I CAUSE CODE COMPONENT CODE
~ I P lu IM IP I x I x I 7
8 9 10 11 12 17 CAUSE DESCRIPTION PRIME COMPONENT SUPPLIER l!J 43 COMPONENT MANUFACTURER II 1° 17 15 I 44 47 VIOLATION
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48
~ I Seal leakage appears to be caused by improper 0-ring clearance.
The pump is Type 7
B 9
~ I 8X21 Al, Ser A-67393 or 4.
7 8 9 The plant staff will investigate improved seal design I and methods for reducing repair.time.
B9 FACILITY STATUS
% POWER OTHER STATUS EEi W
I ol 1 I 9 I 7
B 9
10 12 13 FORM OF ACTIVITY RELEASED CONTENT NA I
44 rn w OF RELEASE AMOUNT OF ACTIVITY lli._J l.__ ____ ---"'-NA------~
7 B
9 10 11 44 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION
~lo I ol ol w NA 7
B 9 11 12 13 PERffONNEL INJURIES NUMBER DESCRIPTION EE! I 0 I 0 I 0 I NA 7
B 9 11 12 PROBABLE CONSEQUENCES METHOD OF DISCOVERY DISCOVERY DESCRIPTION w I NA.
45 46 LOCATION OF RELEASE NA 45
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J No probable consequences.
Redundant :i?umP was demonstrated operable.
7 B 9 LOSS OR DAMAGE TO FACILITY TYPE DESCRIPTION
~.W NA 7
B 9 10 PUBLICITY illZl NA 7
B 9
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ADDITIONAL FACTORS
~9 illfil 7
B 9 80 I
80 I
80 BO I
BO I
BO I
BO I
BO BO
. BO BQ BO BO BO BO BO