ML20083P150

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Responds to NRC Re Noncompliance Noted in IE Insp Rept 50-454/83-60.Corrective Actions:Isometric Drawings for double-piped,safety-related Instruments Will Be Revised to Show Proper High & Low Pressure Connections
ML20083P150
Person / Time
Site: Byron 
Issue date: 04/05/1984
From: Farrar D
COMMONWEALTH EDISON CO.
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20083P144 List:
References
8402N, NUDOCS 8404190392
Download: ML20083P150 (2)


Text

,.

I O), Commonw:cith Edison

[

O One First Nationai Plaza. Chicago, Ilhoots (Q Chicago, lilinois 60690 O ] Address Reply to: Post Othee Box 767 April 5, 1984 Mr. James G. Keppler Regional Administrator U.S. Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137

Subject:

Byron Generating Station Units 1 and 2 I&E Inspection Report No. 50-454/83-60 Reference (a):

March 6, 1984, letter from R. L.

Spessard to Cordell Reed.

Dear Mr. Keppler:

Reference (a) provided the report of an inspection conducted by Mr. R. Mendez at Byron Station on December 12-16, and 29, 1983.

During that inspection it was determined that certain activities were not in compliance with NRC requirements.

Attachment A to this letter contains Commonwealth Edison's response to the Notice of Violation appended to reference (a).

Please direct any questions regarding this matter to this very ruly yours, A

L.

Farrar Director of Nuclear Licensing im Attachment w

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APR 9af4 g hYO

ATTACHMENT A Response to Notice of Violation Violation 10 CFR 50, Appendix B, Criterion V, as implemented by CECO Topical Report'CE-1-A,.Section 5, requires activities affecting quality be prescribed by documented instructions, procedures, or drawings and shall be accomplished in accordance with these instructions, procedures, and drawings..

Contrary-to.the above, sensing line connections to safety-related instruments 1LT-0529, ILT-0539, and ILT-0549 were installed contrary to the requirements of Sargent & Lundy drawing series M-2036, in that_the sensing lines were connected to the' low pressure side of each instrument instead of the high pressure side of the instruments.

'This-condition has not been identified by the licensee even though 1two of the instruments had been calibrated.

Corrective Action Taken and Results Achieved TheLinstrument' sensing lines for. level transmitters ~ILT-529,

'1LT-539, and lLT-549 have been reconnected in the corrected-orientation.

Corrective Action Taken to-Avoid Further Noncompliance

. Isometric ~ drawings for. double-piped 'sa fety-related ' instruments will be revised tp'show the proper high.and. low pressure connec-tions. -QC inspections of all such instruments will!be conducted utilizing the revised isometric drawings to-verify-correct tubing connections'to the instrument.

Power Azco Pope (PAP) Procedure FP-21 has-been revised to provide'for; documentation of such inspections on Procedure. Form 1103,-Instrument

Attachment:

Record.

All future installations will'be performed and: inspected asE

. identified-above..

Date When Full' Compliance Will Be Achieved Level. transmitters ILT-529, ILT-539.and ILT-549 were:all' reworked. prior to'Aprilul,e1984 3' Revised PAP: Procedure FP-21'was capproved on Januaryl3,11984. !The' reinspection of~ safety-related double-pipedLinstruments: currently 31nstalled'w111:-be. completed by.

PAP?by;Aprilj30,ul984.

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