ML20082U673
| ML20082U673 | |
| Person / Time | |
|---|---|
| Site: | Quad Cities  |
| Issue date: | 09/16/1991 |
| From: | Schrage J COMMONWEALTH EDISON CO. |
| To: | Murley T NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM), Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 9109200294 | |
| Download: ML20082U673 (1) | |
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1400 Opus Piece Downers Grova, Illinois 60515 September 16,1991 Dr. Thomas E. Murley, Director Offico of Nuclear Roactor Regulation U.S. Nuclear Regulatory Commission Washington, DC 20555 Attn: Document Control Desk
Subject:
Quad Cities Nuclear Station Units 1 and 2 Upgrade of Foodwater System Piping to Support Exomption of Feedwater i
Check Valves from 10 CFR 50 Appendix J Testing l
NBC DockeLNos,_50:254 and 50:265-l Referonco:
(a)
R. Stols to T.E. Murley letter i
dated January 25,1991 (b)
Conferenco Call on September 3,1 31 between Commonweal") Edison Company (CCCo)
(R Stols, et al) and NRR (L. Olshan, et al)
Dear Dr. Murley:
On September 3,1991, members of the Commonwealth Edison Company's and Nuclear Regulatory Commission's staffs conducted a teleconference to discuss the referenced lotter requesting an exemption of the Foodwater chock valvos from the 10 CFR 50 Appendix J test program. The purpose of this lotter is to provklo a response to a question from NRR with respect to the request for exemption. In the request, CECO committed to perform Ty se C tests on 1 he inboard and outboard check valves until the outboard feedwater lping (up to ' he feedwater heaters) was upgraded to meet selsmic and safety related pl Ing requlrcments.
Attor the piping is upgradod, Type C tests would be discontinued, and t io valvos would be included in the in-Sorvice Testlng Program, with a requiroment for a water leakage test on the valves.
During the September 3,1991 teleconference, the NRR staff requested a schedule for the completion of the upgrade of the feodwater piping. CECO willinitiato engineering activitles to support the completion of the piping upgrado during the Quad Citios Unit 1 and Unit 2 twelfth refuel outages (01 R12 and O2R12) scheduled to begin on September,1991 and March 1992 respectively. CECO will koop the Project Manager aware of the status of the piping upgrado activities, and promptly notify the ProJoct Manager of any potential scheduto chaages including revisions to the associated refuel outage schedules.
If thero are any questions or comments regarding this responso, please contact me at (708) 515-7283.
7 Sincoroly, Ac%* d o r 9, (, S G l/ John LYSchrago i/
M Nu'5 fear Licensing Administrator cc:
A. Bert Davis, Regional Administrator - Rlll d
L.N. Olshan, Project Manager - NRR i
T.E. Taylor Senior Resident inspector - Quad Cities
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