ML20084Q201
| ML20084Q201 | |
| Person / Time | |
|---|---|
| Site: | Quad Cities  |
| Issue date: | 01/18/1974 |
| From: | Kalivianakis N COMMONWEALTH EDISON CO. |
| To: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| Shared Package | |
| ML20084Q196 | List: |
| References | |
| NUDOCS 8306130166 | |
| Download: ML20084Q201 (2) | |
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F I KEPPLER 6[ M DIRECTORATE OF REGULATORY OPERATIONS REGION 3 US ATOMIC ENERGY COMMISSION 799 ROOSEVELT RD GLEN ELLYN IL 60137 REFERENCE QUAD CITIES NUCLEAR POWER STATION DOCKET #50-265DPR30 APPENDIX A SECTION !.0. A.2 AND 3.2.B TABLE 3.2.2 AND 6.6.8 ON JANUARY 17 DURING ROUTINE SURVEILLANCE ON UNIT #2 PS-2-1001-88A WAS FOUND TO TRIP AT 2.05PSIG INCREASING INSTEAD OF THE I.95PSIG SET POINT THIS EXCEEDED THE 2.OPSIG LIMITING CONDITION FOR OPERATION SPECIFIED IN TABLE 3.2.2 0F TECHNICAL SPECIFICATION THE SWITCH RECALABRATED TO I.95PSIG ON JANUARY 17 DURING ROUTINE SURVEILLANCE ON UNIT #2 THE SWITCH #1 0F LIS-2-263-72D WOULD NOT TRIP EVEN THOUGH TEST PRESSURE WAS INCREASED TO GREATER THAN 120 INCHES WATER SWITCH SET POINT IS 112 INCHES WATER THE ECCS CAPABILITY WAS NOT LOST DUE TO THE PROPER OPERATIONS OF SWITCHES IN LIS-2-263-72 A B AND C SWITCH #1 WAS MECHANICALLY TRIPPED AND BEGAN FUNCTIONING PROPERLY THE CAUSE OF THE FAILURE WAS NOT DETERMINED SO THE SWITCH WAS REPLACED AND LIS-2-263-72D WAS RECALABRATED N J KALIVIANAKIS 1251 EDT 4
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UNITED STATES f.
ATOMIC ENERGY COMMISSION l l DIVISION OF COMPLIANCE 3
REGION III trug og 799 ROOSEVELT ROAD TELEPHONE GLEN ELLYN, ILLINots 60137 0123 sss-zseo A.
RO Inspection Report No.
Transmittal Date Distribution:
Distribution:
R0 Chief, FS&EB RO Chief, FS&EB RO:HQ (5)
RO:HQ (4)
DR Central Files L:D/D for Fuel & Materials Regulatory Standards (3)
Licensing (13)
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DR Central Files 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)
R0 Files Licensing (13)
RO Files C.
Incident Notification From: Commonwealth Edison Co., Docket No. 50-265 (Licensee & Docket No. (or License No.)
- January 29, 1974 E?
Transmittal Date bh Distribution:
Distribution:
gy A
R0 Chief, FS&EB RO chief, FS&EB gg RO:HQ (4)
RO:HQ (4)
Licensing (4) pg (n.
g L:D/D for Fuel & MafttJL ials g
DR Central Files DR Central Files g
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5 DW 9