ML20210U716

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Forwards Addl Info Re Plans for Mod of Control Room Emergency Habitability Sys (Crehs) & Control Room Pressure Envelope.Planned Mods Will Increase Capacity of Crehs,Add Control Room Ventilation Monitors & Remove Temporary Wall
ML20210U716
Person / Time
Site: Beaver Valley
Issue date: 02/09/1987
From: Sieber J
DUQUESNE LIGHT CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20210U721 List:
References
NUDOCS 8702180567
Download: ML20210U716 (2)


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'Af Telephone (412) 393-6000 Nuclear Group P.O. Bo 4 Shippingport, PA 15077-0004 February 9, 1987 l

U. S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555

Reference:

Beaver Valley Power Station, Unit No. 1 Docket No. 50-334, License No. DPR-66 Additional Information Regarding Control Room Wall Removal Gentlemen:

This letter forwards additional information regarding our plans for modification of the Unit 1 Control Room Emergency Habitability Systems (CREHS) and the control room pressure envelope.

The current configuration of the CREHS is described in the Updated Final Safety Analysis Report, Section 9.13.4.

Testing of CREHS is performed in accordance with Technical Specification surveillance requirements.

Planned modifications to these systems include:

1. Increasing the capacity of CREHS (Attachment 1),
2. Addition of control room ventilation radiation monitors (Attachment 2), and
3. Removal of the temporary wall separating the Unit 1 and Unit 2 control rooms (Attachment 3).

If there are any questions concerning this matter, please contact my office.

Very truly yours, h.

Vice President, Nuclear Attachments OSho334 h PDR s l

f Banvar Vality Powar Station, Unit No. 1 Dockst No. 50-334, Licenso No. DPR-66 Ahditional Information Regarding Control 4 Room Wall Removal Page 2 cc: Mr. W. M. Troskoski, Resident Inspector U. S. Nuclear Regulatory Commission Beaver Valley Power Station Shippingport, PA 15077 U. S. Nuclear Regulatory Commission Regional Administrator Region 1 631 Park Avenue King of Prussia, PA 19406 Mr. Peter S. Tam U. S. Nuclear Regulatory Commission Project Directorate No. 2 Division of PWR Licensing - A Washington, DC 20555

- Mail Stop 340 Addressee only Director, Safety Evaluation & Control Virginia Electric & Power Company P.O. Box 26666 One James River Plaza Richmond, VA 23261 Mr. Jack Hayes U. S. Nuclear Regulatory Commission Project Directorate No. 2 Division of PWR Licensing - A Washington, DC 20555

- Mail Stop 416 -

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