ML20236A220
| ML20236A220 | |
| Person / Time | |
|---|---|
| Site: | Rancho Seco |
| Issue date: | 10/05/1987 |
| From: | Firlit J SACRAMENTO MUNICIPAL UTILITY DISTRICT |
| To: | Martin J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| References | |
| 87-19, AGM-NPP-87-261, NUDOCS 8710220131 | |
| Download: ML20236A220 (2) | |
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$suun "VE" SACRAMENTO MUNICIPAL UTluTY DISTRICT O P. O. Box 15830, Sacra to A 95852-1830, (916) 452-3211 -
October 5, 1987 NCN
-AGM/NPP 87-261 i
4 U. S. Nuclear Regulatory Commission Attn:
J. B. Martin, Regional Administrator E
Region V Office of Inspection and Enforcement 6- @
1 1450 Maria Lane, Suite 210 co
- t:
c$.
l Halnut Creek, CA 94596
'O l
DOCKET NO. 50-312 i
RANCHO SECO NUCLEAR GENERATING STATION o
l LICENSE NO. DPR-54 l
SPECIAL REPORT NUMBER 87-19 ZONE 110 FIRE PROTECTION SYSTEMS IN0PERABLE
Dear Mr. Martin:
l Zone 110 Fire Detection Instruments and Automatic Hater Spray System for the l
Auxiliary Feedwater Pump area were not restored to operable status within the l
14 days specified in the Rancho Seco Technical Specification. Thus, in accordance with Technical Specifications 3.14.1, 3.14.3 and 6.9.5.E, the Sacramento Municipal Utility District hereby submits Special Report 87-19 describing the problem and actions taken.
Please contact me if you have any questions.
Members of your staff with questions requiring additional information or clarification may contact Kurt Zimmermann at (916) 452-3211 extension 4627.
Sincerely, k
0 ny Joseph F. Firlit Assistant General Manager, Nuclear Power Production Attachment 8710220131 871005 PDR ADOCK 05000312; S
PDR I
cc:
G. Kalman, NRC, Bethesda (w/at 5) db A. D'Angelo, NRC, Rancho Seco (
)
F. J. Miraglia, NRR, Bethesda (
)
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l
. RANCHO SECO NUCLEAR GENERATING STATloN Cl 1444o Twin Cities Road, Herald, CA 95638 9799;(209) 333 2935 26-el
.v.
SPECIAL REPORT NUMBER 87-19'-
Zone'110 Fire Protection Systems Inoperable DATE OF REPjBI~
October 5, 1987-
.DATE OF OC_CURRENCE' September,20, 1987 l
PLANT CONDITIONS PRIOR TO OCCURRENCE <
The plant has been in a major outage with the reactor.in cold shutdown.
IDENTIFICATION OF OCCURRENCE 4
The following. fire protection components were not restored to operable stat'u's within fourteen (14) days as specified in Technical. Specifications 3.14.1.1 and 3.14.3.1.
j Zone 110 Fire Detection Instruments for the ' Auxiliary Fee'd Pump area Zone 110 Automatic Water Spray System for the Auxiliary Feed Pump area-DESCRIPTION OF OCCURRENCE i
On September 6, 1987, the Flame Detection System wa's disabled t'o prevent system actuation during modification work on the auxiliary feed pumps.
The Automatic Hater Spray System is inoperable when the detection is disabled.
CORRECTIVE ACTION TAKEN A continuous fire watch was posted in accordance with Technical Specifications 3.14.1.2 and 3.14.3.2.
The system was restored to operable-status on October 1, 1987.
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