AECM-83-0726, RO 83-098/0:on 830929,during Special insp,fire-rated Penetration AE-176D on Elevation 166 Ft in Auxiliary Bldg Declared Inoperable.Caused by Improper Installation. Penetration Reworked to Conform to Specs

RO 83-098/0:on 830929,during Special insp,fire-rated Penetration AE-176D on Elevation 166 Ft in Auxiliary Bldg Declared Inoperable.Caused by Improper Installation. Penetration Reworked to Conform to Specs

ML20081M794
Person / Time
Site:	Grand Gulf
Issue date:	11/07/1983
From:	Dale L MISSISSIPPI POWER & LIGHT CO.
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
AECM-83-0726, AECM-83-726, RO-83-098-0, RO-83-98, NUDOCS 8311170376
Download: ML20081M794 (2)

Text

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, .. l f P MISSISSIPPI POWER & LIGHT COMPANY Helping Build Mississippi P. O. B O X 164 0. J A C K S O N. MIS SIS SIP PI 3 9 2 0 5 November 7, 1983 NUCLE AR PRODUCTION OEPARTMENT U.S. Nuclear Regulatory Commission Region II 101 Marietta St., N.W., Suite 2900 Atlanta, Georgia 30303 Attention: Mr. J. P. O'Reilly, Regional Administrator

SUBJECT:

Grand Gulf Nuclear Station Unit 1 Docket No. 50-416 License No. NPF-13 File: 0260/L-835.0 Special Report 83-098/0 - Fire Rated Penetration AE-176D Declared Inoperable AECM-83/0726 On September 29, 1983, during a special inspection, fire rated penetration AE-176D on elevation 166 feet in the Auxiliary Building was declared inoperable due to its improper installation. The penetration was reworked to conform to design specifications.

An hourly fire watch was established in accordance with Technical Specification 3.7.7 until the penetration was restored to operability on October 21, 1983.

The event had no effect on the health and safety of the public and did not constitute a threat to plant safety. Nonconformances included; cracking in Sylgard, material not bonded to substrate, and damming board not intact.

Material Nonconformance Report (MNCR) 00932-83 was issued to document the appropriate action. This is reported as a Special Report pursuant to Technical Specification 6.9.2 since the seven (7) day Limiting Condition for Operation (LCO) time limit was exceeded. This is submitted as a final report.

Yours truly, L. F. Dale f4 Manager of Nuclear Cervices EBS/SHH:rg Attachment 8311170376 831107 cc: See next page PDR ADOCK 05000416 S PDR .m g:pCb\L CO b Member Middle South Utilities System

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• AECM-83/0726

1. E" MISSISSIPPI POWER O LI2HT COMPANY cc: Mr. J. B. Richard (w/a)

Mr. R. B. McGehee (w/o)

Mr. T. B. Conner (w/o)

Mr. G. B. Taylor (w/o)

Mr. Richard C. DeYoung, Director (w/a)

Office of Inspection & Enforcement U. S. Nuclear Regulatory Commission Washington, D. C. 20555 Document Contrcl Desk (w/a)~

-U. S. Nuclear Regulatory Commission Washington, D. C. 20555