ML20072G266

Estimates That Dilution Pump Sys Renovation Program Will Be Completed by Nov 1983,based on Anticipated Receipt Date of Diffusers & Required Installation Time

ML20072G266
Person / Time
Site:	Oyster Creek
Issue date:	06/15/1983
From:	Fiedler P GENERAL PUBLIC UTILITIES CORP.
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
NUDOCS 8306280406
Download: ML20072G266 (2)

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GPU Nuclear g

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Writer's Direct Dial Numbec June 15, 1983',

Mr. Boyce H. Grier Of fice of Inspection and Enforcement x

U. S. Nuclear Regulatory Commission Region I 631 Park Avenue King of Prussia, PA 19406 s

Dear Mr Grier:

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Subject:

Oycter Creek Nuclear Generatfog Station Docket No. 50-219

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Dilution Pump Improvement Program In our original submittal, dated July 1,1981, GPU Nuclear (GPUN) presented a proposed course of action to ameliorate the Oyster Creek Station dilution pumps '

reliability and operability. Initially it was proposed that full implementation of the corrective actions would be achieved, considering delivery of equipment and installation time required, by August 1983. However, as work progressed and upon further inspection of the system, it has been identifie'd that the pump diffusers also require replacement. These parts have to be specially fabricated and it is pre sently estimated that this equipment will be on site in August of 1983.

Presently, approximately 35 percent of the overall dilution pump renovation is complete. This includes the complete rebuilding of one dilution' pump, installation of one lube oil cooler, new pipe installation, and installation of -

self cleaning pipe line strainers. Based upon the anticipated receipt datei'of the dif fusers and their required installation time, GPUN estimates that the dilution pump system renovation will now be completed November,1983.

.It. should be n'oted that if the dif fusers did not need replacement, the dilution pdmp-system renovation would have been completed by our originally projected Aukust,1983 completion date. Als o, the dilution pump system refurbishment is not part of the critical path for the present refueling and maintenance outage which is presently expected to be completed by January 1984. With the incorporation of Amendment 66 into Appendix B of the Oyster Creek Environmental Technical Specifications and by the conditions of our NJPDES permit, it is not necessary to operate the dilution pumps when the station is not operating. Under the presently revised schedule for the dilution pump system renovation, work on the pump system will be' completed well in advance of the return to operation of the station and therefore, before operation or operability of the diultion pumps is required by our NJPDES permit.

8306280406 830615 PDR ADOCK 05000219 P

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g3 GPU Nuclear is a part of the General Public Utilities System

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Mr. Boyce H. Grier Page 2 m

'S If you have any questions or require additional information, please do

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not hesitate to contact Mr. Douglas Moore of our Licensing and Regulatory

.-, Af faits Department at (609) 971-4630.

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Very truly yours,

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Petbr B. Fiedler Vice President and Director

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Of fice of Inspection and Enforcement U. S. Nuclear Regulatory Commission Wa shing ton, D.C.

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'NRC Resident $ Inspector Oyster Cres'c Nuclear Generating Station Forked River, NJ- 08731

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