ML20076E207
| ML20076E207 | |
| Person / Time | |
|---|---|
| Site: | Satsop |
| Issue date: | 08/08/1983 |
| From: | Sorensen G WASHINGTON PUBLIC POWER SUPPLY SYSTEM |
| To: | Novak T Office of Nuclear Reactor Regulation |
| References | |
| GO3-83-620, NUDOCS 8308240229 | |
| Download: ML20076E207 (2) | |
Text
V.
LL Washington Public Power Supply System Box 1223 Elma, Washington 98541 (206)482-4428 Docket 50-508 August 8,1983 G03-83-620 Mr. Thomas M. Novak Assistant Director for Licensing Division of Licensing U. S. Nuclear Regulatory Cormiission Washington, D.C.
20555
Subject:
WNP-3 PLANT SPECIFIC INPUT ON DEPRESSURIZATION AND DECAY HEAT REMOVAL
Reference:
a)
T. M. Novak to R. L. Ferguson, CE Owners Group Study on Depressurization and Decay Heat Removal Capability of CE Plants without PORVs, dated May 24, 1983 b)
R. L. Tedesco to A. E. Scherer, Depressurization and Decay Heat Removal Capability of the CESSAR Design, dated March 26, 1982 c)
T. M. Novak to R. L. Ferguson, Depressurization and Decay Heat Removal for WNP-3, dated May 24, 1983 d)
R. W. Wells to D. G. Eisenhut, Response to NRC Questions on Depressurization and Decay Heat Removal Capabilities in Combustion Engineering Plants, dated October 28, 1982 In reference a), you established the staff position that a decision regarding the need for PORVs on CE plants (currently without PORVs) would be based upon information received by June 30, 1983. The Supply System considers this position to be unreasonable in light of the history of this issue and the limited time available to respond. We therefore request that the staff factor into its decision the WNP-3 plant specific infonnation to be available in September.
Reference b) submitted a series of questions on the CESSAR-F docket and similar letters were sent to other non-CESSAR CE plants without PORVs.
Although the Supply System did not have these questions on the WNP-3 docket until May of 1983 (reference c), we have participated in the CE Owners Group activities since their inception in the fall of 1982.
Reference d) provided a schedule for submittal of generic and plant specific reports in resolution of these questions.
The schedule 8308240229 830908 PDR ADOCK 05000 gg
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Mr. Thomas M. Novak Page 2 WNP-3 PLANT SPECIFIC INPUT ON DEPRESSURIZATION AND DECAY HEAT REMOVAL called for the generic report to be submitted in June 1983 with a WNP-3 specific report in December 1983.
Even prior to your May 24th letter (reference a), the Supply System aggressively pursued the potential for earlier submittal of the WNP-3 report.
It was not possible to reduce the seven to eight months remaining to the extent necessary to meet the June 30, 1983 deadline. The earliest date feasible is September 1983.
The Supply System is confident that the generic information supplied to the staff will support the current design of CE plants and that PORVs do not provide appreciable enhancements to decay heat removal capabilities.
We expect that the WNP-3 report will demonstrate that the addition of PORVs will actually detract from the overall safety of the plant.
Therefore, a decision by the staff on WNP-3 should consider the plant specific report in order to properly address the issue of need for PORVs on WNP-3.
In conclusion, the Supply System requests that the staff not issue a blanket decision regarding the need for PORVs on CE plants without providing the flexibility for a specific evaluation of WNP-3.
G. C. Sorensen Nuclear Safety and Regulatory Programs KWC/ss cc:
J. A. Adams - NESCO D. Smithpeter - BPA Ebasco - Elma WNP-3 Files - Richland
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