ML20100F210
| ML20100F210 | |
| Person / Time | |
|---|---|
| Site: | Nine Mile Point  |
| Issue date: | 11/21/1984 |
| From: | Hooten B NIAGARA MOHAWK POWER CORP. |
| To: | Starostecki R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| (55(E)-84-47), (NMP2L-0256), NUDOCS 8412060493 | |
| Download: ML20100F210 (2) | |
Text
.-
y M V NIAGARA R UMOHAWK NBAGARA MOHAWK POWER CORPORATION /300 ERIE BOULEVARD WEST. SYRACUSE, N Y.13202/ TELEPHONE (315) 474-1511 November 21, 1984 (NMP2L 0256)'
Mr. R. W. Starostecki, Director-U. S. Nuclear Regulatory Commission Region I Division of Project and Resident Programs 631 Park Avenue King of Prussia, PA _19406 Re: Nine Mile Point - Unit 2 Docket No. 50-410
Dear Mr. Starostecki:
Enclosed is an interim report in accordance with 10CFR50.55(e) for the problem concerning High Pressure Core. Spray System battery
-terminations. This problem was reported via tel-con to S. Collins of your staff on October 22, 1984.
Very truly yours, B. G. Hooten Director Nuclear Operations BGH/GG:saa xc: ' Director of Inspection and Enforcement U. S. Nuclear Regulatory Commission Washington, DC 20555 R. Gramm, NRC Resident Inspector Project File-(2)
KOOhokfo PDR.
I i
1 Ji JL4L__.
m y.
NIAGARA MOHAWK POWER CORPORATION
'NINE MILE POINT-- UNIT 2
~ DOCKET NO. 50-410 Interim Report for a Problem Concerning High Pressure _ Core Spray System Battery (Terminations (55) e)-84-47)
Description of the Problem
- The problem ~ concerns the effect of-the termination cables on the seismic qualification of.the Class 1E High Pressure Core Spray System battery, Mark
. No. 2BYS* BAT 2C/BYS, supplied by General Electric Company..
One -750 KCM external cable per pole was used.
This condition was identified during -
Inspection No. 50-410/84-11.
IEEE 344-1975 also states that tha effect of--
electrical connections, conduit, sensing lines, etc. shall be considered.
In. addition, subsequent to the --identification of.the above condition, it was
- observed that three battery cell connection posts were damaged.
This damage
- is believed to have occurred due to the use of 750 KCM cable.
The matter is still under investigation and a final report will be submitted by February 22, 1985 d
i e
B 4
4 -
e--4 w
.+,.,-w.r..,-3
.-,--,e.,ww.-,
..me..
.r-, -
,-p.is
-+.ie
-