ML19325C730
| ML19325C730 | |
| Person / Time | |
|---|---|
| Site: | Rancho Seco |
| Issue date: | 10/11/1989 |
| From: | Keuter D SACRAMENTO MUNICIPAL UTILITY DISTRICT |
| To: | Martin J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| References | |
| 89-14, AGM-NUC-89-144, NUDOCS 8910170222 | |
| Download: ML19325C730 (2) | |
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" SACRAMENTO MUNICIPAL UTILITY DISTRICT D 6201 S Street, P.o. Bos 15830 Sacramento CA 958521830 (916) 452 3211' 6*
' AN ELECTRIC SYSTEM SERVING THE ~ HEART OF CALIFORNIA b!!
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AGM/NUC 89-144-y
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, October:ll,- 1989
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1U. S. Nuclear Regulatory Commission
. Attn:
J. B. Martin, Regional' Administrator.
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Region V,,.
1450 Maiia' Lane, Suite 210 Halnut. Creek, CA--94596 b
n Docket' No. '5' 0-312,
. Rancho Seco Nuclear Generating Station License No. DPR-54
- SPECIAL REPORT NUMBER 89-14:
FIRE BARRIERS BREACHED MORE THAN 7-DAYS a
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Dear Mr. Martin:
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Fire ' barriers.:for' Zones 20,-.32,17 and 31 were not restored to' operable status within-the 7 days required by the Rancho Seco Technical Specifications. The Sacramento Municipal Utility District hereby submits Special Report No. 89-14 d
11niaccordance with Technica1'. Specification 3.14.6.2.
- Members of youristaff with questions requiring additional information or 7
' clarification may contact Mr. Kurt Zimmerman at (209F 333-2935, extension 4627; i
iSincerely, f
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-Dan-R. Keuter.
- Assistant _ General Manager
-Nuclear
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l 8910170222 891011 PDR ADOCK 05000312 b
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RANCHO SECO NUCLEAR GENERATING STATION O 1444o Twin Cities Road, Herald, CA 95638-9799;(209) 333 2935 4.
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l, SPECIAL REPORT NUMBER 89 1 o
Wlt!. ' y Fire: Barriers Breached More Than 7.0ays-v;
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'Date of Occurrence y
September;15 and September 20,.1989.
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lPla't-Conditions at Time ot Occurrence n
.The' plant has been'in cold shutdown since June 9, 1989.
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fIdentification of Occurrence s
The fire barriers :for ' Zones. 20, 32,17 and 31 were not returned to operable 1
status within 7.~ days as required by Rancho Seco Technical Specification j
a 3.14.6;2-.
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. bescriotion'ofOccurrence
,The barriers for' Zones 20 and 32 were breached on September 8,1 1989.
Zone '7 1
and 31. barriers were breached on September.13,1989. These barriers were.
breached in support of the Refueling Interval Diesel Generator (G-886B) SFAS
'and. Loss of Offsite Power-Loading Scheme Surveillance Test, SP.3198.-
dorrective Action Taken-Operability ~of fire detectors was. verified on at least one side of-the breached barriers and: hourly' fire.. watches ' established in accordance with
'-Technical Specification 3.14,6.2.
The barriers for Zones 20 and 32 were
- restored;to: operable. status on September 29. 1989
'The. barriers for Zones 17 and:31 were restored to operable status.on October 2, 1989.
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