ML20155F913

Advises That Util Submittal of Documentation Did Not Provide Sufficient Info to Conclude That Operability Under Design Basis Events Fully Demonstrated.Util Should Follow Noted Guidance Identified in Generic Ltr 88-07

ML20155F913
Person / Time
Site:	Trojan File:Portland General Electric icon.png
Issue date:	06/07/1988
From:	Crutchfield D Office of Nuclear Reactor Regulation
To:	Cockfield D PORTLAND GENERAL ELECTRIC CO.
References
GL-88-07, GL-88-7, NUDOCS 8806170102
Download: ML20155F913 (4)

Text

. . . .

June 7, 1988 Docket No. 50-344 Mr. David W. Cockfield Vice President, Nuclear Portland General Electric Company 121 S.W. Salmon Street Portland, Oregon 97204

SUBJECT:

ENVIRONMENTAL QUALIFICATION OF CONTAINMENT PENETRATIONS AT TROJAN During a Region III Environmental Qualification (EQ) Inspection at the Braidwood Station conducted during February and March 1988, it was determined that the environmental qualification of four Bunker Ramo containment pene-tration assemblies had not been adequately demonstrated. In response to a recent request, you provided information regarding the verification of qualification for Amphenol penetration assemblies installed at Trojan which i may be identical to the Bunker Ramo penetrations. After reviewing this information we conclude that environmental qualification has still not been demonstrated for these assemblies. The documentation (test reports) used to support your position that these penetration assemblies are qualified is .>

similar to that used for Braidwood 2. That documentation did not provide >

sufficient information (for example, insulation resistance test data) to conclude that operability under design basis events has been fully demon--

strated.

Since EQ had not yet been established for the subject penetrations installed at Yrojan, you should follow the guidance identified in Generic Letter 88-07, "En rironmental Qualification of Electrical Equipment Important to Safety for Nuclear Power Plants," dated April 7,1988, regarding written Justification for Continued Operation.

This letter does not require any response. However, your evaluation in support of making a finding of operability should be made available for NRC review regarding the demonstration of equipment operability.

Sincerely, Original Signed by r DennisM.Crutokthid Odkggg7 Dennis M. Crutchfield, Director pg4 Division of Reactor Projects - III, .

IV, V and Special Projects '

Office of Nuclear Reactor Regulation cc: See next page DISTRIBUTION Docket File PDS Reading NRC & Local PDRs ACRS 10 J. Partlow

(G Knighto'n"3 J. Lee E. Jordan 0GC A. Thadani T. Chan G. Holahan P. Shema ki PD5/PM PD5/LA S ADR/ / /

T. Cha pt J. Lee A i G. field 06/>-/88 06/ /88 0 / 9 /88 0 /88 6/]/88 Mghton .

6/%/88  ;

' June 7, 1988 l

1 I Docket No. 50-344 Mr. David W. Cockfield Vice President, Nuclear Portland General Electric Company 121 S.W. Salmon Street Portland, Oregon 97204 l l

SUBJECT:

ENVIRONMENTAL QUALIFICATION OF CONTAINMENT PENETRATIONS AT TROJAN During a Region III Environmental Qualification (EQ) Inspection at the Braidwood Station conducted during February and March 1988, it was determined that the environmental qualification of four Bunker Ramo containment pene-tration assemblies had not been adequately demonstrated. In response to a recent request, you provided information regarding the verification of qualification for Amphenol penetration assemblies installed at Trojan which may be identical to the Bunker Ramo penetrations. After reviewing this infonnation we conclude that environmental qualification has still not been demonstrated for these assemblies. The documentation (test reports) used to support your position that these penetration assemblies are qualified is similar to that used for Braidwood 2. That doct; mentation did not provide sufficient information (for example, insulation resistance test data) to conclude that operability under design basis events has been fully demon-strated.

Since EQ had not yet been established for the subject penetrations installed at Trojan, you should follow the guidance identified in Generic Letter 88-07, "Environmental Qualification of Electrical Equipment Important to Safety for Nuclear Power Plants," dated April 7,1988, regarding written Justification for Continued Operation.

This letter does not require any response. However, your evaluation in support of making a finding of operability should be made available for FRC review regarding the demonstration of equipment operability.

Sincerely.

Original signed by Dennis M. Crutehtiy Dennis M. Crutchfield, Director Division of Reactor Projects - III, IV, Y and Special Projects O'fice of Nuclear Reactor Regulation cc: See next page DISTRIBUTION Docket File PDS Reading NRC & Local PDRs ACRS 10 J. Partlow G. Knighton J. Lee E. Jordan OGC l A. Thadani T. Chan G. Holahan P. Shema ki ,

PD5/PM PD5/LA SA . ADR gj [/ / l T. Cha pt J. Lee Af i G. lH i field I 06/A/88 06/ /88 06 8 0

]/88 6/]/88 ESghton .

6/5/88 l

C ntoy o UNITED STATES g

8 o NUCLEAR REGULATORY COMMISSION I $  : ,$ WASHINGTON, D, C. 20665

%,,,,, June 7, 1988 Docket No. 50-344 Mr. David W. Cockfield Vice President, Nuclear Portland General Electric Company 121 S.W. Salmon Street Portland, Oregon 97204

SUBJECT:

ENVIRONMENTAL QUALIFICATION OF CONTAINMENT PENETRATIONS AT TROJAN During a Region III Environmental Qualification (EQ) Inspection at the Braidwood Station conducted during February and March 1988, it was determined that the environmental qualification of four Bunker Ramo containment pene-tration assemblies had not been adequately demonstrated. In response to a recent request, you provided information regarding the verification of qualification for Amphenol penetration assemblies installed at Trojan which may be identical to the Bunker Ramo penetrations. After reviewing this information we conclude that environmental qualification has 1,till not been demonstrated for these assemblies. The documentation (test reports) used to support your position that these penetration assemblies are qualified is similar to that used for Braidwood 2. That documentation did not provide sufficient information (for example, insulation resistance test data) to conclude that operability under design basis events has been fully demon-strated.

Since EQ had not yet been established for the subject penetrations installed at Trojan, you should follow the guidance identified in Generic Letter 88-07, '

"Environmental Qualification of Electrical Equipment Important to Safety for l Nuclear Power Plants," dated April 7,1988, regarding written Justification for j Continued Operation.

This letter does not require any response. However, your evaluation in support of making a finding of operability should be made available for NRC review regarding the demonstration of equipment operability.

Sincerely, l

!?

Dennis M. rutc d. 1 rector Division of Reactor Pr jects - III,  ;

IV, V Tnd Special Projects Office of Nuclear Reactor Regulation cc: See next page l

I l

i

(- Mr. David L'. Cockfield Portland General Electric Company Trojan Nuclear Plant cc:

Senior Resident Inspector U.S. Nuclear Regulatory Comission l Trojan Nuclear Plant Post Office Box 0 Rainier, Oregon 97048 Michael J. Sykes, Chairman l Board of County Commissior,ers Columbia County St. Helens, Oregon 97501 Mr. William T. Dixon Oregon Department of Energy Salem, Oregon 97310 Regional Administrator, Region V U.S. Nuclear Regulatory Comission 1450 Maria Lane, Suite 210 Walnut Creek, California 94596

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