ML20079Q102
| ML20079Q102 | |
| Person / Time | |
|---|---|
| Site: | Hatch  |
| Issue date: | 05/06/1983 |
| From: | Nix H GEORGIA POWER CO. |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| GM-83-421, RO-50-366-83-01, RO-50-366-83-1, NUDOCS 8305110364 | |
| Download: ML20079Q102 (3) | |
Text
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Georgia Power Cornpany Post Office Box 433 Banley, Georgia 31513 Telephone 912 367-7781 912 537-9444
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Georgia Power
( l,]'[ g Edwin 1. Hatch Nuclear Plant GM-83-421 PLANT E.
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HATCH Special Report Docket No.
50-366 United States Nuclear Regulatory Commission Office of Inspection and Enforcement Region II Suite 3100 101 Marietta Street Atlanta, Georgia 30303 ATTENTION:
Mr. James P.
O'Reilly Pursuant to Section 6.9.2 of Hatch Unit Two Technical Specifications, please find attached Special Report No.
50-366/1983-001, Rev.
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[ General Manager II. C. ~ Nix
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SPECIAL REPORT 50-366/1983-01, Rev. 1 3
LICENSEE
- GEORGIA POWER COMPANY FACILITY NAME EDWIN 1.
HATCH DOCKET NUMBER 50-366 Tech. Specs. section(s) which requires report:
Unit 1 Tech. Specs. section 3.1.13.3, ACTION b and Unit 2 Tech. Specs, section 3.7.6.2, ACTION a, required this report due to spray / sprinkler systems for Unit 1 East Cableway and Unit 2 East Cableway not being restored to operable status within 14 days.
Plant conditions at the time of the event (s)-
On. January 25, 1983,. Unit 2 was in steady state operation at 1714 MWt (approximately 70% power)
On March 14, 1983, Unit I was in the run mode, increasing reactor power on a ramp from 1825 MWt (approximately 75% power) to 2082 MWt (approximately 85% power)
Detailed description of the event (s)-
1.
On January 25, 1983:
Unit 2's East Cableway spray / sprinkler system was taken out of service for the performance of modifications on it.
2.
On March 14, 1983:
Unit l's East Cableway spray / sprinkler system was taken out of service for the performance of modifications on it.
Consequences of the eventJs):
Within I
hour of each of the event's (fire zones) event
- dates, continuous fire watches were assigned to appropriate areas of the i
plant to inspect the inoperable zones as required per Unit 1 Tech.
- Specs, section 3.13.3, ACTION a
and Unit 2 Tech.
- Specs, section i
3.7.6.2, ACTION a.
The fire watches remained in effect until affected inoperable zones were returned to operable status.
The health and safety of the public were not affected by these non-repetitive events.
Cause(s) of the event (s)-
1.
The Unit 2 East Cableway spray / sprinkler systom was modified to l
provide protection for an area of the Unit 2 East Cableway that i
I was previously protected by an extension of the Unit 1
l spray / sprinkler system.
l l
2.
The Unit 1 East Cableway spray / sprinkler system was modified to replace non-seismic hangers with seismic
- hangers, move 13 sprinkler
- heads, and remove the extension of spray / sprinkler system providing coverage in Unit 2 East Cableway.
The sprinkler heads were moved to provide better spray coverage for affected areas under protection.
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Special Report 50-366/1983-01, Rev. 1 Page Two Plans for restoring the sprav/ sprinkler systems to operable status:
1.
The Unit 2 East Cableway spray / sprinkler system was returned to operable status on April 1,
1983.
2.
The Unit 1 East Cableway spray / sprinkler system was returned to operable status on March 30, 1983.
.