ML20003B509
| ML20003B509 | |
| Person / Time | |
|---|---|
| Site: | Peach Bottom  |
| Issue date: | 01/21/1981 |
| From: | Reid R Office of Nuclear Reactor Regulation |
| To: | Bauer E PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC |
| References | |
| NUDOCS 8102120299 | |
| Download: ML20003B509 (3) | |
Text
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UNITED STATES
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January.1,1981
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Dockets Nos. 50-277
-12 and 50-278 a
cfy-@m,m Mr. Edward G. Bauer, Jr.
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Vice President and General Counsel Philadelphia Electric Company 2301 Market Street Philadelphia, Pennsylvania 19101
Dear Mr. Bauer:
Your letter dated Noventer 26, 1980 provided infomation on your plans to modify the RPS Power Supply System for Peach Bottom Units Nos. 2 and 3.
Our review of your submittal indicates that additional infor-mation is required. Our requirements for additional infomation are described in the enclosure.
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We request that the additional information be provided within 45 days of yo sr receipt of this letter.
Sincerely, Y
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f Robert W. Reid, Chief Operating Reactors Branch #4 Division of Licensing
Enclosure:
Request for Additional Infomation cc w/ enclosure:
See next page 8102220 p #1
s Philadelphia Electric Company cc w/ enclosure (s):
Eugene J. Bradley U. S. Environmental Protection Agency Philadelphia Electric Company Region III Office Assistant General Counsel ATTN: EIS COORDINATOR 2301 Market Street Curtis Building (Sixth Floor)
Philadelphia, Pennsylvania 19i01 6th and Walnut Streets Philadelphia, Pennsylvania 19106 Troy B. Conner, Jr.
1747 Pennsylvania Avenue, N.W.
M. J. Cooney, Superintendent Washington, D. C.
20006 Generation Division - Nuclear Philadelphia Electric Company Raymond L. Hovis, Esq.
2301 Market Street 35 South Duke Street Philadelphia, Pennsylvania 19101 York, Pennsylvania 17401 Government Publications Section Warren K. Rich, Esq.
State Library of Pennsylvania Assistant Attorney General Fducation Building Department of Natural Resources Commonwealth and Walnut Streets Annapolis, Maryland 21401 Harrisburg, Pennsylvania 171?'
t Philadelphia Electric Company ATTN: Mr. W. T. Ullrich Peach Bottom Atomic Power Station Mr. R. A. Heiss, Coordinator Delta, Pennsylvania 17314 Pennsylvania State Clearinghouse Governor's Office of State Planning Albert R. Steel, Chairman and Development Board of Supervisors
. P. O. Box 1323 Peach Bottom Township Harrisburg, rennsylvania 17120 R. D. #1 Delta, Pennsylvania 17314 Curt Cowgill U.S. Nuclear Regulatory Commission Office of Inspection and Enforcement Peach Bottom Atomic Power Station P. O. Box 399 Delta, Pennsylvania 17314 Director, Criteria and Standards Division Office of Radiation Programs (ANR-460)
U. S. Environmental Protection Agency Washington, D. C.
20460 I
i II Enclesure REQUEST FOR ADDITIONAL INFORMATION PEACH BOTTOM, UNITS 2 & 3 POWER SUPPLY FOR THE REACTOR PROTECTION SYSTEM Ref. 1: Philsdelphia Electric Company letter (S. L. Daltoff) to NRC (R. W. Reid), dated November 26, 1980 l
To assess the acceptibility of the proposed design modification (Ref. 1) to the RPS power supply system the following additional information is needed:
1.
Detailed drawings of the proposed design =odification of the monitoring scheme for the RPS power supply.
The drawings should include component ratings, sche =atic and wiring diagrams.
For detailed information, the relays technical bulletins may also be submitted.
j 2.
Electrical one-line diagram of the onsite distribution syste's showing the RPS power supplies and connections (MG's and alternate source).
3.
Technical Specifications covering limiting conditions of operation when using the alternate source to supply the RPS bus or com=itment to the
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installation of the two protective packages in series with the alternate source.
4.
Proposed Technical Specifications incorporating the setpoints with tolerances of the overvoltage, undervoltage, and underfrequency relays.
The technical specifications should include limi' ting conditions of oper-ation and surveillance requirements.
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Justify that the proposed time delay e# 10 seconds will not damage to or affect the RPS system components from perfor=ing their required safety function.
i 6.
Documentation that in addition to qualifying per IEEE 323-1974 and lEEE 344-1975 that the protective packages will meet the requirements of GDC-2.
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