ML20072B820
| ML20072B820 | |
| Person / Time | |
|---|---|
| Site: | Limerick  |
| Issue date: | 06/10/1983 |
| From: | Bradley E PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC |
| To: | Schwencer A Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 8306140395 | |
| Download: ML20072B820 (4) | |
Text
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Go - 3 51 PHILADELPHIA ELECTRIC COMPANY 2301 M ARKET STREET P.O. BOX 8699 PHILADELPHI A. PA.19101 cDw ARD o. m AUER, JR.
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CUG ENE J. BR ADLEY associate e$reemat covassh DON ALD SLANKEN f.UDOLPH A. CHILLEMI E. C. KIR K H A LL T. H. M AHER CORNELL June 10, 1983 PAUL AUERSACH asseevant eseesans causesst C'DW A N D J. CU LLEN. J R.
THOM AS H. MILLE R, J R.
IliENE A. Mc KENN A assestant coweesub Mr. A.
Schwencer, Chief Licensing Branch No. 2 Division of Licensing U.
S.
Nuclear Regulatory Commission Washington, D.C.
20555
Subject:
Limerick Generating Station, Units l&2 Information for Power Systems Branch
Reference:
Telephone Call with Mr.
E.
Tomlinson, Power Systems Reviewer & Philadelphia Electric Company, June 7, 1983
Dear Mr. Schwencer:
The attached draft change to FSAR Section 9.5.3.2.2 is being made as a result of the referenced telecon.
This change will be formally incorporated into the FSAR revision scheduled for July 1983.
Sincerely, j
Euge J.
Bradley JTR/gra/18 Copy to:
See Attached Service List O hh2 (I>
PDR I
I
cc:
Judge Lawrence Brenner (w/o enclosure)
Judge Richard F. Cole Judge Peter A. Morris Troy B. Conner, Jr., Esq.
A'n P. Hodgdon, Esq.
n Mr. Frank R. Romano Mr. Robert L. Anthony Mr. Marvin I. Lewis Judith A. Dorsey, Esq.
Jacquelina I. Ruttenberg Thomas Y. Au, Esq.
Mr. Thomas Gerusky Director, Pennsylvania Emergency Management Agency Steven P. Hershey Charles W. Elliott, Esq.
Donald S. Bronstein, Esq.
Mr. Joseph H. White, III David Wersan, Esq.
Robert J. Sugarman, Esq.
Martha W. Bush, Esq.
Atomic Safety and Licensing Appeal Board Atomic Safety and Licensing Board Panel Docket and Service Section 4
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leave the de-supplied power system to provide lighting f& the remote operations required in those areas as well as access to those areas.
@ N 5 EA T A ) 3 4.t., A T M A 9.5.3.2.3 Ottdoor Security and Roadway Lighting Outdoor security and roadway lighting is provided by sodium vapor l
luminaires.
The lighting illuminates the " security area and the security fence to 0.2 fc or greater, l
The outdoor lighting poles do not exceed 130 feet in height.
Any 130-foot pole is designed to withstand a sustained wind velocity of 90 mph and gusts of up to 117 mph.
Shorter poles are designed l
to withstand winds of higher velocity.
All exterior lighting poles are designed in accordance with 1975 AASHTO specifications for structural supports for highway luminaires.
I The security area lighting is supplied from the non-Class 1E
,,l; buses.
The other outdoor area lighting is generally supplied
[
from the normal 440V buses.
In the far areas, remote from the normal 440V source, this lighting is supplied from the nearby 1
Class 1E buses.
The lighting supplied from the Class 1E buses is shed on a LOCA signal.
This lighting, however, can be manually reconnected to the Class IE buses following a LOCA through administrative controls.
9.5.3.3 Safety Evaluation l
The lighting systems are not safety-related and are classified as I
non-Class 1E.
When components of the lighting systems are locat'ed within seismic Category I structures, these components I
are supported on a selective basis to seismic Category IIA requirements described in Section 3.2.
The basis for providing l
Category IIA supports is to prevent the lighting equipment from falling on safety-related equipment and impairing its ability to perform safe shutdown functions during a seismic event.
Lighting is provided to permit the operators.to shut down the plant safely and maintain it in a safe shutdown condition at all times.
The lighting system provides lighting at all times in areas used during reactor shutdown or emergency.
During normal plant operation, all plant lighting systems are energized from the respective unit auxiliary buses and startup buses.
In the event of ac power loss from both unit auxiliary s
9.5-27 Rev. 19, 04/83
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