ML20024H631
| ML20024H631 | |
| Person / Time | |
|---|---|
| Site: | Nine Mile Point  |
| Issue date: | 05/22/1991 |
| From: | Office of Nuclear Reactor Regulation |
| To: | |
| Shared Package | |
| ML20024H629 | List: |
| References | |
| NUDOCS 9106070156 | |
| Download: ML20024H631 (3) | |
Text
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m ENCLOSURE-
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UNITED STATES W L i NUCLEAR REGULATORY COMMISSION
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WASHINGTON, D C 205E4
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SAFETY. EVALUATION.BY THE.0FFICE.0F. NUCLE AR. REACTOR RfGUL ATION REL ATED.TO REEVALUATION-0F.NORMALLY-L IT.AND. NUISANCE. Al ARNS REFERENCED.IN. LICENSE.CONDIT10N.2,C(9)(b)
NIAGARA. MOHAWK-
-] CORPORATION NINE NILE POINT. NUCLEAR iTAT10N UNIT.?
00CKET.NO.-50-410
=1.0 ' INTRODUCTION By letter dated January 9, 1991 Niagara Mohawk Power Corporation (the licensee) submitted a report in response to License Condition 2.C(9)(b) of the Nine Mile Point'2 Facility Operating License No. NPF-69.
License Condition 2.C(9)(b) required NMPC to submit, prior to startup following the first refueling. outage, a reevaluation of normally lit and nuisance alarms for NRC review in accordance with its-August 21, 1986, letter.
2.0 EVALUATION-License Condition 2.C(9)(b) reads as follows:
" Prior to startup following the first refueling outage, Niagara Mohawk
-Power Corporation shall orovide the results-of the reevaluation of normally lit and nuisance alarms for NRC review.in_accordance with its August 21, 1986 letter."
The licensee _ provided the results of the alarm reevaluation in accordance-with the reauirements of the August 21,1986. -letter. to the NRC via a January 9, 1991, letter.- The letter provided the staff with a detailed tabulation of 153 continaously or frequently lit annunciator windows with their associated
--corrective actions.
The tabulation also included a schedule for the correction of the identified
-problems.= The recommended corrective actions were implemented on 97 annunciator
' windows.before restart from the first refueling outage.- Approximately 39 annunciators will be' corrected before restart from the second refueling outage and the remaining 17 will be corrected before restart from the third outage.
The licensee's corrective actions for eliminating normally lit and nuisance alarms are acceptable because they are consistent with good human factors practices.
The schedule proposed by the licensee for resolution of the remaining alarms is acceptable to the NRC staff.-
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3.0 LONCLUSION The staff concludes that 1.icense Condition 2.C(9)(b) has been satisfied.
The staff finds that the recommended corrective actions and schedule for implementation of corrections to normally lit and nuisance alarms provided in the licensee's letter of January 9, 1991, are acceptable.
Principal Contributor P. Clare Goodman Date:
May 22, 1991 i.
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May 22,1991 1
Docket No. 50-410 DISTRIBUTION >
-Docket File OGC NRC/ Local PDRs EJordan PDI.1 Reading ACRS(10)
SVa rga Plant File Mr. B. Ralph Sylvia JCalvo CVogan Executive Vice President, Nuclear RACapra DBrinkman Niagara Mohawk Power Corporation JWermiel CGoodman 301 Plainfield Road CCowgill Syracuse, New York 13211
Dear Mr. Sylvia:
SUBJECT:
SAFETY EVALUATION FOR REEVALUATION OF NORMALLY LIT AND NUISANCE ALARMS REFERENCED IN LICENSE CONDITION 2.C(9)(b) NINE MILE POINT NUCLEAR STATION, UNIT N0. 2 (TAC NO. 79720)
By letter dated January 9, 1991, Niagara Mohawk Power Corporation (NMPC) submitted a report in response to License Condition 2.C(9)(b) of the Nine Mile Point 2 Facility Operating License No NPF-69.
License Condition 2.C(9)(b) required NMPC to submit, prior to startup following the first refueling outage, a reevaluation of normally lit and nuisance alarms for NRC review in accordance with its August 21, 1986, letter.
The NRC staff has reviewed your January 9,1991, report.
Our Safety Evaluation is enclosed. As stated in the enclosed Safety Evaluation, the NRC staff has determined that the requirements of License Condition 2.C(9)(b) have been satisfied, in the event that NMPC should wish, as an administrative matter, to request the deletion of this condition, that should be done ' y an application for amendment to the licent.e.
This completes our efforts on TAC No. 79720 Sincerely.
Original signed by:
Donald S. Brinkman, Senior Project Manager Project Directorate 1 1 Division of Reactor Projects.1/II Office of Nuclear Reactor Regulation l
Enclosure:
l Safety Evaluation cc w/ enclosure:
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0FFICIAL RECORD COPY l
Document Name: NMP 2 SE TAC 79720
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