ML17272A880: Difference between revisions

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{{#Wiki_filter:~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  
{{#Wiki_filter:~ A
~ I P                 Washington Public Power Supply System A JOINT OPERATING AGENCY S          P. 0. BOX 988   3000 GEO. WA5HINCION WAY RICHI.ANOw WASHINGTON 99352 PHONL'509) 375 5000 January 28, l980 G03-80-170 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:==
==Subject:==
WPPSS NUCLEAR PROJECT NO.2 IE BULLETIN NO.79-28"POSSIBLE HANFUNCTION OF NAHCO MODEL EA180 LIMIT SWITCHES AT ELEVATED TEMPERATURES
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, D. L. RENBERGER ASSISTANT DIRECTOR TECHNOLOGY DLR:FJ:crw 8 008880 +CC                  gQ P)(,


==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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Latest revision as of 16:47, 29 October 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

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~ I P Washington Public Power Supply System A JOINT OPERATING AGENCY S P. 0. BOX 988 3000 GEO. WA5HINCION WAY RICHI.ANOw WASHINGTON 99352 PHONL'509) 375 5000 January 28, l980 G03-80-170 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, D. L. RENBERGER ASSISTANT DIRECTOR TECHNOLOGY DLR:FJ:crw 8 008880 +CC gQ P)(,

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