ML17272A880: Difference between revisions

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| issue date = 01/28/1980
| issue date = 01/28/1980
| title = Responds to IE Bulletin 79-28, Possible Malfunction of Namco Model EA180 Limit Switches at Elevated Temps. No Switches Used or Planned for Use in safety-related Applications at Sustained Temps Over 175 F
| title = Responds to IE Bulletin 79-28, Possible Malfunction of Namco Model EA180 Limit Switches at Elevated Temps. No Switches Used or Planned for Use in safety-related Applications at Sustained Temps Over 175 F
| author name = RENBERGER D L
| author name = Renberger D
| author affiliation = WASHINGTON PUBLIC POWER SUPPLY SYSTEM
| author affiliation = WASHINGTON PUBLIC POWER SUPPLY SYSTEM
| addressee name = ENGELKEN R H
| addressee name = Engelken R
| addressee affiliation = NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
| addressee affiliation = NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
| docket = 05000397
| docket = 05000397

Revision as of 02:16, 19 June 2019

Responds to IE Bulletin 79-28, Possible Malfunction of Namco Model EA180 Limit Switches at Elevated Temps. No Switches Used or Planned for Use in safety-related Applications at Sustained Temps Over 175 F
ML17272A880
Person / Time
Site: Columbia Energy Northwest icon.png
Issue date: 01/28/1980
From: Renberger D
WASHINGTON PUBLIC POWER SUPPLY SYSTEM
To: Engelken R
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
References
NUDOCS 8003280060
Download: ML17272A880 (2)


Text

~A~I P S Washington Public Power Supply System A JOINT OPERATING AGENCY P.0.BOX 988 3000 GEO.WA5HINC ION WAY RICHI.ANOw WASHINGTON 99352 January 28, l980 G03-80-170 PHONL'509) 375 5000 Docket No.50-397 Hr.R.H.Engelken, Director U.S.Nuclear Regulatory Commission 1990 North California Boulevard Suite 202, Walnut Creek Plaza Walnut Creek, Califor nia 94956

Subject:

WPPSS NUCLEAR PROJECT NO.2 IE BULLETIN NO.79-28"POSSIBLE HANFUNCTION OF NAHCO MODEL EA180 LIMIT SWITCHES AT ELEVATED TEMPERATURES

Dear Hr.Engelken:

The Washington Public Power Supply System has reviewed the subject IE Bulletin and offers the following in response: According to our records, we have no NAHCO Model EA180 stem mounted limit switches in use or planned fo~use in safety-related applications at sustained temperatures above 175 F.The WNP-2 safety-related limit switches used in high temperature locations are NAHCO Model EA700.Very truly yours, DLR:FJ:crw D.L.RENBERGER ASSISTANT DIRECTOR TECHNOLOGY 8 008880+CC gQ P)(,

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