ML20196E677

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Forwards Rev 3 to ERPT-E0220, Rept on Conformance of Nuclear Svc Electrical Bldg & Diesel Generator Bldg Electrical Installation to Reg Guide 1.75, Presenting Clarification for Actual Configuration at Facility
ML20196E677
Person / Time
Site: Rancho Seco
Issue date: 02/22/1988
From: Croley B
SACRAMENTO MUNICIPAL UTILITY DISTRICT
To: Miraglia F
Office of Nuclear Reactor Regulation
Shared Package
ML20196E681 List:
References
RTR-NUREG-1286, RTR-REGGD-01.075 AGM-TA-88-052, TAC-63030, NUDOCS 8803010235
Download: ML20196E677 (3)


Text

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hSMUDSACT AMENTO MU*."CIPAL UTIUTY DISTRICT O P. O. Box 15830. Sacramento CA 95852-1830,(916) 452-3211 AN ELECTRIC SYSTEM SERVING THE HEART OF CALIFORNIA TEB 2 2 1988 AGM/TA 88-052 U. S. Nuclear Regulatory Commission Attn: Frank J. Miraglia, Jr.

Associate Director for Projects 11555 Rockville Pike Rockville, MD 20852 Docket No. 50-312 Rancho Seco Nuclear Generating Station License No. DPR-54 TDI DIESEL GENERATOR / ELECTRICAL AUXILIARY BUILDING COMPLIANCE WITH RG 1.75

Dear Mr. Miraglia:

On December 8,1987, the District submitted Revision 2 of Engineering Report ERPT-E0220, "Report On Conformance of NSEB and DG Building Electrical Installation To Regulatory Guide 1.75."

Further discussions were held with Mr. Iqbal Ahmed of your staff regarding separation criteria of Class 1 and Class 2 cable trays and cable raceways described in NUREG 1286, Section 4.7.3.2 A 1 & 2. In response to those discussions, attached is Revision 3 which presents further clarifications for the actual configuration at Rancho Seco described in our engineering report.

The changes for Revision 3 are marked in the margins of the affected pages.

Please contact me if you have any questions. Members of your staff with questions requiring additional information or clarification may contact Mr. Masa Nakao at (209) 333-2935, extension 4916.

Sincerely, 8803010235 880222 PDR ADOCK 05000312 P PDR

/B. G. Croley, Acting Assistant General Manager, Technical and Administrative Services Attachment cc: G. Kalman, NRC, Rockville F A. D'Angelo, NRC, Rancho Seco I 'III J. B. Martin, NRC, Walnut Creek l RANCHO SECO NUCLEAR GENERATING STATION D 14440 Twin Cities Road, Herald, CA 9J638-9799; (2o9) 333 2935

ENGINEERING REPORTS EG8802100013 COVER SHEET

Subject:

REPCRT ON CONFORMANCE OF NSEB AND DG BUILDING ELECTRICAL' INSTALLATION TO ,'

REGULATORY GUIDE 1,75 '

Control Number: ERpi. E0220 Contractor's Number: ,

Controlled distribution [X] YES []NO (Regulardistribution) j!

Quality Assurance record [x]YES [ ] N0 di Rev No. Date Original Issue and Revision History SE Accroyal  ;

O 6/11/87 Original Issue #J @p  !'

1 9/11/87 Added References to Wyle Laboratories Report p T/- I 2 12/1/87 Revised Section 3 of Appendix A ,

3 2/5/88 Revised Page 6 and A-2 9

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p. ERPF E 0220 ENGINEERING REPORTS DISTRIBUTION LIST -g

-Control Number: ERPT-E0220 REGULAR []. _ CONTROLLED [X)' ,

Title- Name Location

1. T. Fetterman MS 208-9
2. J. Gough MS 208-9
3. S. Miller MS 208-E.
4. M. Basu MS 208-2
5. 3. Kumar MS 208-9
6. . R. Pilapil MS 201-T11
7. T. Sheehan MS 208-E j3. . T. Singh MS 208-G
9. J. Delezenski~ MS 298
10. R. Colombo MS 286

- 11. J. Williams MS 208-8

12. R. Hollar MS 272
13. T. Shaw MS 208-3
14. T. Kahn MS 208-11
15. E. Stockman MS 294
16. M. Reale MS 294
17. J. Carbone MS 217
18. J. Baldauf MS 204
19. P. Hatago MS 208-9

. .. .