ML20197B147

Special Rept 86-14:on 860922 & 27,nonfunctional Fire Barrier Penetration Seals Not Restored to Functional Status within 7 Days.Hourly Fire Watch Patrol Established within 1 H. Restoration Expected by 861130

ML20197B147
Person / Time
Site:	Oyster Creek
Issue date:	10/09/1986
From:	Fiedler P GENERAL PUBLIC UTILITIES CORP.
To:	Murley T NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
86-14, NUDOCS 8610280096
Download: ML20197B147 (3)

Text

___ _______ ______ _

s' -

'N G

GPU Nuclear Corporation Nuclear  ::::::ar 88 Forked River.New Jersey 08731-0388 609 971-4000 Wnter's Direct Dial Number:

October 9, 1986 l

1 Dr. Thomas E. Murley, Administrator Region I U.S. Nuclear Regulatory Commission 631 Park Avenue King of Prussia, PA 19406

Subject:

Oyster Creek Nuclear Generating Station Docket No. 50-219 Special Report 86-14 Enclosed is Special Report No. 86-14 which is submitted in accordance with Technical Specifications 3.12.E.3.

If any questions or comments should arise, please contact Mr. George Busch, Oyster Creek Licensing Engineer at (609)971-4909.

Very truly yours,

,b . s $

t iedl Vice President and Director Oyster Creek PBF/GB/ dam Enclosure cc: NRC Resident Inspector Oyster Creek Nuclear Generating Station Forked River, NJ 08731 8610280096 861009 PDR ADOCK 05000219 S PDR GPU Nuclear Corporation is a subsidiary of the General Public Utilities Corporation 1U. 3

- OYSTER CREEK NUCLEAR GENERATING STATION Forked River, New Jersey 08731 Special Report 86-14 Report Date '

October 9, 1986 Occurrence Date September 22 and 27,1986 Identification of Occurrence Non-Functional fire barrier penetration seals were not restored to functional status within 7 days from the time of discovery as required by Technical Specification paragraph 3.12.E.3.

Description of Occurrence On September 15, 1986 and September 20, 1986, the following non-functional fire barrier conditions were observed during a fire barrier penetration field inspection:

Area Description Electrical Tray Room Cracked and missing pieces of grout material around 7 conduits and a crack in the wall was observed.

Monitor & Control Area Cracked and missing pieces of grout (Stairway) material around penetrating objects above doorway was observed.

Old Cable Spreading Room Cracked and missing pieces of grout (Northwall) material and missing pieces of RTV foam was observed around 5 penetration seals.

Monitor & Control Area The cell structure of RTV foam for 2 (Southwall) penetration seals was not in compliance with Dow Corning's minimum requirements. Also cracks in wall was observed.

Reactor Bldg. Westwall The cell structure of RTV foam for 5 penetration seals was not in compliance ,

with Dow Corning's minimum requirements.

3PECIAL REPORT 86-14

, .PAGE 2 Due to the scope of the above repair activity, the fire barriers were not restored to functional status with 7 days as required by Technical Specifications paragraph 3.12.E.3 Corrective Action An hourly fire watch patrol was established within one hour of discovering the non-functional fire barriers as required by Technical Specifications paragraph 3.12. E . 2. The fire barriers in question will be restored to functional status by November 30, 1986.

(0666A)