ML20115H011

Special Rept:On 960703,main Stack Wide Range Gas Radiation Monitor Sys Removed from Svc for Planned Mod.Sys Expected to Be Returned to Svc by 960830 After Mod Work Completed

ML20115H011
Person / Time
Site:	Peach Bottom
Issue date:	07/17/1996
From:	Geoffrey Edwards PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9607220180
Download: ML20115H011 (2)

Text

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+ +' . Garratt D.Edwvd3

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PECO NUCLEAR recocoe c - eev A Unit of PECO Energy hetta,YA 17 14-9032 717 456 4244 Fax 717 456 4232 July 17, 1996 Docket Nos. 50-277 & 278 License Nos. DPR-44 & 56 Document Control Desk U. S. Nuclear Regulatory Commission Washington, DC 20555

SUBJECT:

PEACH BOTTOM ATOMIC POWER STATION UNIT 2 & 3 SPECIAL REPORT- MAIN STACK WIDE RANGE GAS RADIATION MONITOR SYSTEM OUT OF SERVICE GREATER THAN SEVEN DAYS

REFERENCES:

PEACH BOTTOM ATOMIC POWER STATION TECHNICAL REQUIREMENTS MANUAL 3.6.D.1

Dear Sir:

Description of Occurrence On 7/03/96, the Main Stack Wide Range Gas Radiation Monitor System (GRMS) was removed from service for a planned modification. The purpose of this modification is to replace both the Narrow Range GRMS and the Wide Range GRMS with more reliable equipment. This modification is expected to be completed by 8/30/96. The time required to perform this modification is necessary to maintain at least one Narrow Range GRMS channel operable at all times. The Peach Bottom Technical Requiremer'- Manual requires a special report submission within 14 days following an initial seven days of Wide Range GRMS inoperability.

Corrective Actions Taken The Main Stack Wide Range Gas Radiation Monitor System is used for post-accident monitoring. In the remote possibility that an accident was to occur during this period of inoperability, field survey teams would be dispatched to monitor radioactive effluents as defined in the Peach Bottom Emergency Plan.

9607220190 960717 &

PDR S -ADOCK 05000277 PDR h M /

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CCN#96-14063 i

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U. S. Nuclear Regulatory Commission Page 2 Plan for Restorina Eauipment to an Operable Status The system is expected to be returned to service by 8/30/96 after modification -

work is completed.

If you have any questions or require additional information, please do not hesitate to contact us.

Sincerely,

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Garrett D. Edwards GDE/GJUJHG:jhg cc: B. Gorman, Public Service Electric & Gas R. R. Janati, Commonwealth of Pennsylvania T. T. Martin, US NRC, Administrator, Region l R. l. McLean, State of Maryland W. L. Schmidt, US NRC, Senior Resident Inspector l

A. F. Kirby ill, DelMarVa Power ,

H. C. Schwemm, VP - Atlantic Electric I l

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