ML19323E385

Interim Deficiency Rept Re Pipe Hanger Nonconformances. Insp Revealed 23 Deficient Hangers.Preliminary Data Shows Cause to Be Inadequate Training &/Or Insp Procedures. Reinsp Will Be Performed to Verify Cause

ML19323E385
Person / Time
Site:	Grand Gulf
Issue date:	04/18/1980
From:	Dale L MISSISSIPPI POWER & LIGHT CO.
To:
References
AECM-80-82, NUDOCS 8005230474
Download: ML19323E385 (2)

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i ' MISSISSIPPI POWEP & LIGHT COMPANY Helping Build Mississippi P. O. B O X 164 0, J AC K S O N, MIS SIS SIP PI 3 9 2 0 5 pmCDUCTION DEPAe? MENT April 18, 1980

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Office of Inspection & Enforcement -~

U. S. Nuclear Regulatory Commission 71 Region II

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cf ATTENTION: MR. J. P. O'REILLY, DIRECTOR

SUBJECT:

Grand Gulf Nuclear Station Units 1 and 2, Dochet Nos. 50-416/417 File 0272/15525/15526 PRD-80/09, Status Report, Pipe Hanger Nonconformences AECM-80/82 On March 19, 1980, Mississippi Power & Light Company notified Mr. F. Cantrell of your office of a potentially reportable deficiency at the Grand Gulf Nuclear Station construction site. The deficiency concerns pipe hanger nonconformances.

This matter was identified in an NRC jobsite visit, designated 50-416/80-08.

As a result of that visit, an investigative inspection of seventy-seven (77) pipe hanger installations was conducted. This inspection revealed that twenty-three (23) of the hangers inspected exhibited specification nonconformances.

Currently, these nonconformances are being evaluated. Our preliminary findings indicate that this deficiency was due, at least in part, to inadequate i

training and/or inspection procedures.

Corrective actions proposed or taken, to date, include:

1. A complete reinspection of all accessible pipe hangers will be conducted.

Data from reinspections and any other available information will be used in the evaluation of any inaccessible hangers.

2. The applicable quality control instruction pertaining.to the inspection of hanger installation has been revised. This revision expands the description and scope of aspects to be inspected. Training is scheduled as appropriate, to insure personnel familiarity with the revised instruction.

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l 80052300% //O Member Middle South utilities System f

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O MISSISSIPPI POWER & LIGHT COMPANY 1

0FFICE OF INSPECTION & ENFORCEMENT

ATTENTION

MR. J. P. O'REILLY, DIRECTOR PRD-80/09, STATUS REPORT, PIPE HANGER NONCONFORMENCES APRIL 18, 1980 PAGE 2 (Continued)

We expect to provide to you our final report and determination of reportability, as per 10 CFR 50.55(e), no later than July 30, 1980.

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L. F. Dale Nuclear Project Manager JGC/JDR:lj cc: Mr. N. L. Stampley Mr. R. B. McGehee Mr. T. B. Conner Mr. Victor Stello, Jr., Director Division of Inspection & Enforcement i U. S. Nuclear Regulatory Commission

! Washington, D. C. 20555 e

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