ML19211C437
| ML19211C437 | |
| Person / Time | |
|---|---|
| Site: | Haddam Neck File:Connecticut Yankee Atomic Power Co icon.png |
| Issue date: | 01/04/1980 |
| From: | Graves R CONNECTICUT YANKEE ATOMIC POWER CO. |
| To: | |
| References | |
| CYH-80-001, CYH-80-1, NUDOCS 8001110367 | |
| Download: ML19211C437 (2) | |
Text
,
CONNECTICUT YANKEE ATOMIC POWER COMPANY
[
HADDAM NECK PLANT RR =1 BOX 127E EAST HAMPTON, CONN. 06424 s
..J January 4, 1980 CYH 80-001 U. S. Nuclear Regulatory Commission Region 1 Office of Inspection and Enforcement 631 Park Avendue King of Prussia, Pennsylvania 19406 Attn:
Mr. Boyce Grier, Director
Reference:
Facility Operating License No. DPR-61 Docket No. 50-213 Reportable Occurrence LER 80-01/1P
Dear Mr. Grier:
In accordance with the requirements of Connecticut Yankee Technical Specifications, Section 6.9.2",
the following preliminary report concerning the results of diesel generator automatic load sequence timer surveillance tests is hereby submitted.
A routine operability verification test was conducted January 3, 1980 to insure that the emergency diesel generator automatic load sequence timers were functioning within allowable limits. The timers for Service Water Pumps lA and 1B and Containment Air Recirculation Fan F 17-1 failed to meet the surveillance test acceptance criteria.
Accordingly Emergency Diesel Generator 2A and its associated core cooling equipment were declared out of service while the timers were rendjusted. er replaced.
In accordance with an Adninistrative Technical Specification, the redundant emergency diesel generator automatic load sequence timers were tested for operability. The timer for containment air recirculation fan F 17-3 was found approximately four (4) seconds outside the test acceptance criteria.
The timer was adjusted to its required setting and the timer test was repeated with all timers meeting the test acceptance criteria.
1743 005 4
6 8001110 3 h
_5
J' The timers for service water purr l-373'and containment air recirculation fan F 17-1 were replaced.
The t;;at for service water pump P-37-1A was readjusted.
The timer surveillance test for this train of equipment was repeated with all timers meeting the test acceptance criteria.
The frequency of timer surveillance tests has been increased to insure continued reliability.
A follow-up report will be submitted within fourteen (14) days.
Very truly yours, N
Richard H. Graves Station Superintendent RHG:TWC/jhb cc:
Dir., Management Info, and Program Controls, Wash., D. C.
(2) m 1743 006