ML20084S942
| ML20084S942 | |
| Person / Time | |
|---|---|
| Site: | Palisades  |
| Issue date: | 04/16/1974 |
| From: | Dewitt R CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.) |
| To: | Jordan E NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| Shared Package | |
| ML20084S940 | List: |
| References | |
| NUDOCS 8306200301 | |
| Download: ML20084S942 (3) | |
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l ATOMIC ENERGY COMMISSION
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DIRECTOR ATE OF REGULATORY OPER ATIONS REGION lli
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799 ROOSEVELT ROAD ygtgpgoug GLEN ELLYN, ILLINOIS Go137 (312)858-2660 i
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RO Inspection Report No.
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E Transmittal Date Distribution:
Distribution:
R0 Chief, FS&EB R0 Chief, FS&EB RO:HQ (5)
RO:HQ (4)
DR Central Files L:D/D for Fuels & Materials Regulatory Standards (3)
DR Central Files Licensing (13)
RO Files R0 Files B.
RO Inquiry Report No.
Transmittal Date Distribution:
Distribution:
R0 Chief, FS&EB RO Chief, FS&EB RO:HQ (5)
RO:HQ DR Central Files DR Central Files Regulatory Standards (3)
RO Files Licensing (13)
RO Files
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Incident Notification From: Consumers Power Co. Docket No. 50-255 (Licensee & Docket No. (or Licensa No.)
Transmittal Date
- April 24, 1974 Distribution:
Distribution:
.R0_ Chief d S&ER_
R0 Chief, FS&EB RO:HQ (4)
RO:HQ (4)
Licensing (4)
L:D/D for Fuels & Materials DR Central Files DR Central Files RO Files RO Files
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799 ROOSEVELT ROADate did_Ll-l ll GLENELLYN,ILh4h.:of k r[ libI-Oc0 or B'f }
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---~~~~~~A X WHILE REVIEWING THE REFUELING SURVEILLANCE CALIbHATION SnEETS IT WAS NOTED THE PRESSURIZER PRESSURE SENSORS PT-0102 HAD DHIFIED DOWh
-INDICATING ION.
THIS CAUSED A MORE CONSERVATIVE SETTING Oh PRES-SURIZER HIGH PRESSURE TRIP PA-0102H buT A LESS C0hSERVATI',E SETIING l
ON SAFETY IhJECTION SIGNAL PIC-0102LL.
InE LARGEST SENS0rt DHIFT WAS l
PSI - TWO PERCENT.
SYSTEM SETTIhGS HAD bEEN ESTABLISHED ASSUMING r-f,,,,, ggQ3 j
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A FIVE PSI
.5 PERCENT DRIFT AS SPECIFIED BY THE VENDOR.
THUS TWO CHANNELS C AND D WERE FOUND l'i PSI: LOWER 'THAN REQUIRED TECH SPEC
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SETTINGS AS LISTED IN 3.16.1.2. AND CHANNEL A W AS S PSI LOW.
SINCE THESE PHESSURE TRANSMITTERS WEHE SPECIALLY MODIFIED BY (HE VENDOR TO WITHSTAND MHA CONDITIONS, VENDOHS HECOMMENDATIONS ARE BEING SOUGHT.
R B DE WITT CONSUMERS POWER COMPANY PALISADES PLANT IIM ALL DBW l
NNNN SP-1201 4 R$ 99) t
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