ML19339B947

Final Deficiency Rept Re Ability of Contractor QA Program to Assure That Design Changes Were Incorporated Into Const Activities.Insp Verified That Changes Were Incorporated.Item Determined Not Reportable Per 10CFR50.55e

ML19339B947
Person / Time
Site:	Marble Hill
Issue date:	11/03/1980
From:	Shields S PSI ENERGY, INC. A/K/A PUBLIC SERVICE CO. OF INDIANA
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
10CFR-050.55E, 10CFR-50.55E, NUDOCS 8011100477
Download: ML19339B947 (2)

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.m 2, sx us ._3 Mr. James G. Keppler, Director Docket Nos.: STN 50-546 U. S. Nuclear Regulatory Commission STN 50-547 Region III . Construction Permit Nos.:

799 Roosavelt Road CPPR - 170 Glen Ellyn, Illinois 60137 CPPR - 171 Marble F.ill Nuclear Generating Station - Units 1 and 2

Dear Mr. Keppler:

On March 7,1980, Mr. S. J. Brewer of Public Service Company of Indiana, Inc. (PSI) notified your office of a potentially reportable item as required by 10 CFR 50.55(e). This item pertained to the ability of the major structural contractor's Quality Assurance Program to assure that PSI or Architect-Engineer initiated design changes were incorporated into plart construction activities.

When this concern t'as originally identified, over 300 safety related design changes had been initiated by PSI and.the Architect-Engineer.

Of these changes, i tcorporation of all except 64 could be verified .

by records of construction activities. As discussed in the interim report of April 2, 1980, PSI's structural contractor performed a visual inspection to verify the incorporation of the 64 design changes in -

question. Fifty-seven of these design changes.were accessible for visual inspection and it was verified that all of these changes were incorporated into construction activities. Of the remaining seven unverified design changes,four were inside pours and could r.ot be verified visually. Three other changes are presently inaccessible due to in place formwork and construction access roads and will be inspected after safety related construction resumes and the formwork and access roads are removed.

l Considering that every change which could be inspected was verified to be incorporated in construction activities and that over 300 safety related changes to date have been made correctly, PSI has a 0/7 S

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P.O. Box 190, New Washington. Indiana 47162 812. 293.4441 8011 y o o '4 ~77 -

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• James G. Keppler November'3, 1980 high degree of confidence that the remaining seven. unverified changes i were in fact incorporated into construction activities. PSI therefore

, concludes that this item would not have adversely affected the safety of operations of the plant and is not reportable under 10 CFR 50.55(e).

If you have any questions on this matter, please feel free to contact me.

r Sincerely,

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t S. W. Shields TDG/cg i

cc: Director of Inspection and Enforcement i U. S. Nuclear Regulatory Cc= mission l

Washington, D. C. 20555 E. R. Schweibinz, P. E.

J. J. Harrisen l

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