AECM-83-0637, RO 83-086/0:on 830829,listed Fire Barriers Opened to Support Planned Maint Activities.Fire Watches Established & Barriers Restored

RO 83-086/0:on 830829,listed Fire Barriers Opened to Support Planned Maint Activities.Fire Watches Established & Barriers Restored

ML20078H438
Person / Time
Site:	Grand Gulf
Issue date:	10/05/1983
From:	Dale L MISSISSIPPI POWER & LIGHT CO.
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
AECM-83-0637, AECM-83-637, RO-83-086-0, RO-83-86, NUDOCS 8310140169
Download: ML20078H438 (2)

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e MISSISSIPPI POWER & LIGHT COMPANY Helping Build Mississippi EdMEMidd5 P. O . B O X 164 0, J AC K S O N, MIS SIS I39205 October 5, 1983 OII/ pf.

NUCLEAR PRODUCTION DEPARTMENT 0 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 83-086/0 - Fire Rated Assemblies Opened to Support Planned Maintenance Activities AECM-83/0637 Beginning on August 29, 1983, the following barriers were opened to support planned maintenance activities. The barriers were restored on the dates indicated.

FIRE BARRIERS INCIDENT DATE RESTORATION LA41-LO38 in U710 09-03-83 09-14-83 LA58-LO91 09-12-83 09-20-83 LA48-LO91 09-12-83 09-20-83 PENETRATIONS CE441B 09-14-83 09-23-83 CE224E 09-14-83 09-23-83 CE372F 09-14-83 09-23-83 CE32G 09-14-83 09-23-83 CE365G 09-14-83 09-23-83 CE26E 08-29-83 09-14-83 CE27E 08-29-83 09-17-83 DE3A 08-29-83 09-14-83 DE21A 09-04-83 09-19-83 DE19A 09-04-83 09-19-83 DE15A 09-04-83 09-19-83 Fire watches were established in accordance with Technical Specification 3.7.7 until the barriers were restored.

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AECM-83/0637 Mi'21SSIPPI POWER Q LIGHT COMPANY *E" This is reported as a Special Report pursuant to Technical Specification 6.9.2 since the seven (7) day Limiting Condition for Operation (LCO) was exceeded. The event had no affect on the health and safety of the public and did not constitute a threat to plant safety. This is submitted as a final report.

Yours truly, g, e L. F. Dale Manager of Nuclear Services EBS/SHH: sap cc: Mr. J. B. Richard Mr. R. B. McGehee Mr. T. B. Conner Mr. G. B. Taylor Mr. Richard C. DeYoung, Director Office of Inspection & Enforcement U. S. Nuclear Regulatory Commission Washington, D. C. 20555 Document Control Desk U. S. Nuclear Regulatory Commission Washington, D. C. 20555