ML20095G857

Forwards Suppl 1 to Amend Applications 116 & 100 to Licenses NPF-10 & NPF-15,respectively,consisting of Proposed TS Change 407 Changing SR 4.7.5.b to Run Control Room Emergency Air Cleanup Sys Every 31 Days from 10 H to 2 H

ML20095G857
Person / Time
Site:	San Onofre
Issue date:	12/18/1995
From:	Rosenthal R SOUTHERN CALIFORNIA EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20095G861	List: ML20095G857 ML20095G862 ML20095G865 ML20095G870 ML20095G873
References
NUDOCS 9512210343
Download: ML20095G857 (2)

Text

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Southern California Edison Company P.O. Box 128 Tg C 0 t RICHA RD M HOSENBLUM i

4 l U. S. Nuclear Regulatory Commission Attention: Document Control Desk l j Washington, D.C. 20555 l 1

4 Gentlemen:

Subject:

Docket Nos. 50-361 and 50-362

! Control Room Emergency Air Cleanup System Proposed Technical l

Specification Change No. NPF-10/15-407, Supplement 1 San Onofre Nuclear Generating Station Units 2 and 3 1

Reference:

October 14, 1992 letter from R. M. Rosenblum (Southern California Edison (Edison) to Document Control Desk (NRC);

Subject:

Control Room Emergency Air Cleanup System (CREACUS) Proposed Technical

. Specification Change NPF-10/15-407 l

Enclosed is Sup)lement 1 to Amendment Application Number 116 and Amendment

A) plication Num)er 100 to Facility Operating Licenses NPF-10 and NPF-15 for tie San Onofre Nuclear Generating Station (SONGS) Units 2 and 3; respectively.

1 These Amendment Applications, submitted to the NRC by the above reference, consist of Proposed Technical Specification Change Number NPF-10/15-407 (PCN- ,

407). PCN-407 is an amendment request to change Technical Specification (TS) 3/4.7.5, " Control Room Emergency Air Cleanup System."

l I Supplement 1 to Amendment Applications 116 and 100 changes the requirement of Surveillance Requirement (SR) 4.7.5.b to run CREACUS every 31 days from 10 hours1.157407e-4 days <br />0.00278 hours <br />1.653439e-5 weeks <br />3.805e-6 months <br /> to two hours. This change is based on the engineering analysis which is provided for information in the Enclosure. Also, the air flow rate for the CREACUS air conditioning unit was changed from 35,485 cfm to 35,705 cfm to reflect equipment replacement. Changes made to the original amendment request are highlighted and marked with bars in the right margin of the pnclosure.

Other than these changes, all aspects of Amendment Applications Numbers 116

- and 100 remain unchanged. Also enclosed are markups to proposed post-Technical Specifications Improvement Program LC0 3.7.11 " Control Room Emergency Air Cleanup System," and its associated Bases.

It is requested that this licensing action be considered a Cost Beneficial Licensing Action based on the criteria outlined in NRC Administrative Letter 95-02: Cost Beneficial Licensing Actions, dated February 23, 1995. The  ;

expected cost savings from this change over the life of the plant is expected

• 4 to exceed $100,000.

22000.1 9512210343 951218 PDR ADOCK 05000361 A- 5 l

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Document Control Desk Edison requests Amendment Application Numbers 116 and 100 be issued effective l as of its date of issuance, to be implemented within 30 days from the date of l issuance. This will provide adequate time for the necessary procedure changes and training on the new Technical Specifications.

If you have any questions regarding this Supplement, please contact me.

Sincerely, .

Mi Enclosures cc: L. J. Callan, Regional Administrator, NRC Region IV J. E. Dyer, Director, Division of Reactor Projects, NRC Region IV K. E. Perkins, Jr., Director, Walnut Creek Field Office, NRC Region IV J. A. Sloan, NRC Senior Resident Inspector, San Onofre Units 2 and 3 M. B. Fields, NRC Project Manager, San Onofre Units 2 and 3 H. Kocol, California Department Of Health Services 8

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