ML18204A083
| ML18204A083 | |
| Person / Time | |
|---|---|
| Site: | Columbia  |
| Issue date: | 06/29/1977 |
| From: | Renberger D Washington Public Power Supply System |
| To: | Engelken R NRC/RGN-V |
| References | |
| IEB-77-01 | |
| Download: ML18204A083 (1) | |
Text
P&
Washington Public Power Supply System A JOINT OPERATING AGENCY P. 0. BOX 968 3000 GSO. WASHINOTON WAY RICHLAND. WASHINOTON SSS52 PHONE (609) 946.968 I Nuclear Regulatory Commission Region V
Suite 202, Walnut Creek Plaza 1900 N. California Boulevard Walnut Creek, California 94596 Attention:
Mr. R.
H. Engelken Director June 29, 1977 G02-77-246 I "II pl Q)l i ~
~7
Subject:
WPPSS NUCLEAR PROJE NO.
2 IE BULLETIN NO. 77-0 DOCKET NUMBER 50-397
Reference:
Letter, R.H. Engelken to D.L. Renberger, same subject, dated April 28, 1977.
Dear Mr. Engelken:
-The referenced letter transmitted IE Bulletin 77-01 concerning ITE pneumatic time delay relays which are used on Colt Industries (Fair-banks-Morse) diesel generators'n response to this IE Bulletin, no ITE pneumatic time delay relays are used in safety.related systems.
All pneumatic time delay relays used on safety related systems will have a repeat accuracy range smaller than +15Ã.
Very truly yours, D. L.
RENBERGER Assistant Director Generation 8 Technology DLR:GLC:ho cc:
Mr. D. Roe, Bonneville Power Administration NRC - Office of Inspection
- 5. Enforcement (Washington, D.C.)