05000155/LER-1986-001, :on 860117,during Review of Fire Detection Test Procedures,Failure to Test Three Recirculation Pump Fire Detectors During 1985 Refueling Outage Noted.Caused by Procedural Inadequacy.Test Performed on 860215
| ML20137Y040 | |
| Person / Time | |
|---|---|
| Site: | Big Rock Point File:Consumers Energy icon.png |
| Issue date: | 03/06/1986 |
| From: | Ryan Alexander, Johnson B CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.) |
| To: | NRC OFFICE OF ADMINISTRATION (ADM) |
| References | |
| LER-86-001, LER-86-1, NUDOCS 8603120102 | |
| Download: ML20137Y040 (3) | |
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Big Rock Point Technical Specification 4.3.3.8.1 requires that the fire detection instruments located in the recirculation pump room shall be tested at each refueling outage.
Contrary to the above, it was discovered during a review of the fire detection test procedures, that the three detectors providing coverage for the recircula-tion pumps were not tested during the 1985 Refueling Outage.
A determination to perform the test at the next plant outage or major power reduction was made after consulting with the resident inspector. This was accomplished successfully during a short maintenance outage on February 15.
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Description of Event
On January 17, 1986, during a completion review of the six-month procedure
" Functional Test of Fire Detectors," it was discovered that the three detectors in the recirculation pump room were not tested during the 1985 Refueling Outage as required by Technical Specification 4.3.3.8.1.
With the plant being in power operation at the time of discovery, these detectors could not be immediately tested since the recirculation pump room is inaccessible due to the high radiation Icvels which exist during power opera-tion. Big Rock Technical Specifications 3.3.3.8 does not include an action statement requiring plant shutdown.
A review of the last three functional test procedures showed that no detector failures had occurred. A decision was made not to shut down the plant to perform the surveillance based on the determination that continued operation of the plant with the detectors untested posed less of a threat to plant safety and operational stability than the imposition of transients on the reactor by shutting down and restarting. The resident inspector was advised of the situation and agreed with our decision not to shut down to perform the surveillance.
These detectors were successfully tested on February 15, 1986 during a short maintenance outage.
Cause of Event
The cause for missing the surveillance requirement is attributed to a proce-dural inadequacy.
Since the Tech Specs require that all detectors except the three in the recirculation pump room be tested on a six-month interval, the Operations Department elected to control the activity for all the detectors with a six-month frequency surveillance procedure. This procedure required the detectors in the recirculation pump room only to be tested during a refueling outage.
In this case, the procedure was performed just prior to the refueling outage (recirculation pump room detectors not included) and no tracking system was in place to ensure that the three detectors would be rescheduled for testing during the outage.
Corrective Actions
On February 12, 1986, a new surveillance procedure was approved which separates the three recirculation pump room detectors from the six-month surveillance test. This new test is scheduled to be performed each refueling outage, independent of the other detectors.
Additional Information
Previous similar event regarding missed Technical Specification surveillance test was Big Rock Point LER 84-14.
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LER0286-0028-NLO2
e O Consumers Power Company oeneral of rces: 1945 West Parnall Road, Jackson, MI 49201 * (517) 788 0560 March 6, 1986 US Nuclear Regulatory Commission Document Control Desk Washington, DC 20555 DOCKET 50-155 - LICENSE DPR BIG ROCK POINT PLANT -
LICENSEE EVENT REPORT 86-001 - FAILURE TO PERFORM REQUIRED SURVEILLANCE TEST Licensee Event Report (LER)86-001, Revision 1 (Failure to Perform Required Surveillance Test) is attached. This event is reportable to the NRC per 10CFR50. 73 (a) (2) (i).
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Brian D Johnson Staff Licensing Engineer CC Administrator, Region III, USNRC NRC Resident Inspector - Big Rock Point Attachment
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