ML19305D509

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Approves 800307 Revised Cable Tray Firestop Design for Use Inside Containment.Revision Makes Minor Changes to Design Approved 781214.Mods Will Not Affect Performance of Firestop in Preventing Propagation of Fire
ML19305D509
Person / Time
Site: Rancho Seco
Issue date: 03/13/1980
From: Reid R
Office of Nuclear Reactor Regulation
To: Mattimoe J
SACRAMENTO MUNICIPAL UTILITY DISTRICT
References
NUDOCS 8004150177
Download: ML19305D509 (3)


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lg, UNITED STATES g

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NUCLEAR REGULATORY COMMISSION

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E WASHING TON, D. C. 20555 o

March 13,1980 Docket No. 50-312 e

f 000r.'ET2D Mr. J. J. Mattimoe 3

i usxno Assistant General Manager and 4

MAR 2 01930> q Chief Engineer Sacramento Mur.icipal Utility District h tmee of the Se:te"af 6201 S Street Deh W &Emi3 s

Sacramento, California 95813 d

P. O. Box 15830 gg3 i

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Dear Mr. Mattimoe:

In our Fire Protection Safety Evaluation Report (SER) for Rancho Seco dated February 28, 1978, we identified many items for which we needed information on the design of modifications which you had connitted to make to plant equipment prior to implementation of the modifications.

By letter of March 7,1980, you provided a revised cable tray firestop f

design for use inside containment. This revision contained minor changes to the design proposed in a letter of October 17, 1978, and approved by us in a letter to you of December 14, 1978.

We have reviewed these

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minor changes and find that these will not affect the performance of---

the firestop in preventing propagation of a fire. Accordingly, we find the design proposed in the March 7,1980 letter to be acceptable.

Sincerely, f

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V' l

Robert W. Reid, Chief Operating Reactors Branch #4 l

Division of Operating Reactors cc: See next page 80011 so i 7 7 1

3Erane'nto Municipal Utility District

w/ enclosure (s):

Christopher Ellison, Esq.

Evid S. Kaplan, Secretary and Dian Grueufch, Esq General Counsel California Energy Commission 001 S Street 1111 Howe Avenue P. O. Box 15830 Sacramento, California 95825 Sacramento, California 95813 Ms. Eleanor Schwartz Sacramento County California State Office Ecard of Supervisors 600 Pennsylvania Avenue, S.E., Rm. 201 827 7th Street, Room 424 Washington, D.C.

20003 Sacramento, California 95814 g

m, Docketing and Service Section a w

Busiress and Municipal Department t

lear e y Commission Sacramento City-County Library Washington, D.C.

20555 82E. Street Sacra ento, California-95814 Resident Inspector P. 0.. Box 48 Cirec3cr, Technical Assossment Divisicn Fair Oaks, California 95628 Cffice of Radiation Programs Dr. Ric-hard F. Co-le

( AU-459)

Atomic Safety and Licensing Board U. S. Enviror. mental Protection Agency Panel Crys al ::a~.1 #2 U. S. Nuclear Regulatory C)mmission Arlirgtor., irginia 20460 Washington, D.C.

20555 U. S. Environmental Protection Agency Mr. Frederick J. Shon Atomic Safety and Licensinc Board i

SC INATOR f, h n n rr sc a ifornia 94111 Mr. F.abert 3. Borsum Babcc:k & Wilcox Elizabeth S. Powers, Esq.

Chairman, Ator.ic Safety and pglear Fower Generation Division Licensing Board Panel

-elte 42C, 7735 Old Georgetown Road U. S. Nuclear Regulatory Commission

!.athesda, Maryland 20014 Washington, DC 20555 James S. Reed, Esq.

Thomas Caxter, Esc.

Michael H. Remy, Esq.

Shaw, Pittran, Potits & Trowbridge Reed, Samuel & Remy 1200 M Street, !!N 717 K Street, Suite 405

.4ashington, D. C.

2003G Sacramento, California 95814 Herbert H. Brown, Esq.

Mr. Michael R. Eaton l

Lawrence Coe Lanpher, Esq.

Energy Issues Coordinator C

Hill, Christopher and Phillips, P. C.

Sierra Club Legislative 0 are 1900 M S:., fM 1107 9th St., Room 1020 9, gl Washincten D. C.

20036 Sacramento, CA 95814 8 3

c; gerc3 ca.c.;

k-Helen Hubbard zT 7

f P. O. Box 63 MAR 2 0 G30>

Sunol, California 94586

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Offi:c cith2 Scretay 9

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Sacramento Municipal Utility District cc w/ enclosure (s):

Atomic Safety and Licensing Board Panel U. S. Nuclear Regulatory' Commission Washington, D.C.

20555 t

Atomic Safety and Licensing Appeal Eoard Panel U. S. Nucl:..r Reculatory Commission Washington, D.C.

20555 California Department of Health l

ATTN:

Chief, Er.vironmental Radiation ~Contrdi Unit Radiological Health Section 71' P Street, Room 498 Sacramento, California 95814 r

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