ML20141G185
| ML20141G185 | |
| Person / Time | |
|---|---|
| Site: | Calvert Cliffs  |
| Issue date: | 04/28/1997 |
| From: | Katz P BALTIMORE GAS & ELECTRIC CO. |
| To: | Miller H NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| NUDOCS 9705220198 | |
| Download: ML20141G185 (2) | |
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i Ps:Ts.n E. K47z Baltimore Gas and Electne Company Calven Chffs Nuclear Power Plant Plant General Manager 1650 Calven Cliffs Parkway Calven Chffs Nuclear Power Plant Lusby. Maryland 20657 410 495-4101 April 28,1997 U. S. Nuclear Regulatory Commission Region I 475 Allendale Road King of Prussia, PA 19406 ATTENTION:
Mr.11. J. Miller, Regional Auministrator
SUBJECT:
Calvert Cliffs Nuclear Power Plant Unit No. 2; Docket No. 50-318 Fire Detection Instrumentation -- Special Report Technical Soecification 3.3.3.7. Action Statement b He attached Special Report is submitted in accordance with Calvert Cliffs Unit 2 Technical Specification 3.3.3.7. The report concerns the inoperability of the fire detection instruments in the Unit 2 Containment No. 22A Reactor Coolant Pump Motor Bay for a period in excess of 14 days.
Should you have questions regarding this matter, we will be pleased to discuss them with you.
Very truly yours,
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Document Control Desk, NRC Director, n'roject Directorate I-1, NRC l R. S. Fleishman, Esquire Resident inspector, hRC J. E. Silberg, Esquire R.1. McLean, DNR A. W. Dromerick, NRC J. H. Walter, PSC 220008 9705220198 970428
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l' s ATTACIIMENT (1)
UNIT 2 FIRE DETECTION INSTRUMENTATION SPECIAL REPORT I
Baltimore Gas and Electric Company submits this Special Report concerning an inoperable fire detection instrument, as required by Technical Specification 3.3.3.7, Action Statement b.
ACTION TAKEN i
On March 17,1997, the fire detection instruments in the Unit 2 Containment No. 22A Reactor Coolant Pump Motor Bay were disabled via a temo;rary alteration. Unit 2 Technical Specification 3.3.3.7,
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Action Statement a was entered when the heat detection for the No. 22A Reactor Coolant Pump Bay was J
declared inoperable on March 17,1997. In accordance with this Action Statement, the containment air temperature is being monitored once per hour at the locations listed in Technical Specification 4.6.1.5.
CAUSE OF INOPERABIIITY He heat detection circuits in No. 22A Reactor Coolant Pump Motor Bay were disabled to support the j
removal of No. 22A Reactor Coolant Pump Motor during the current Unit 2 refueling outage. Rese heat detection instruments are in close proximity to the pump and must be removed before the pump motor can be removed. The heat detection circuits were not restored within the 14 days required by Technical j
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Specification 3.3.3.7, Action Statement b.
j PLANS AND SCHEDULE.', }Ok RESTORING THE SYSTEM TO OPERABLE STATUS He appropriate ~ compensatory actions will continue in accordance with the Technical Specification 3.3.3.7, Action Statement a until the No. 22A Reactor Coolant Pump Bay fire detection instruments are restored to an operable status. The fire detection instruments will be tested and operable prior to Unit 2 restart.
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