ML19257D777

Submits Addl Info Requested by NRC Re Application for Amend to Licenses DPR-44 & DPR-56.Describes Normal Operation & post-accident Temp & Humidity for Each Location Where Retrofit Hardware Will Be Located

ML19257D777
Person / Time
Site:	Peach Bottom
Issue date:	01/30/1980
From:	Daltroff S PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	Ippolito T Office of Nuclear Reactor Regulation
References
NUDOCS 8002060416
Download: ML19257D777 (7)

Text

{{#Wiki_filter:, PHILADELPHIA ELECTRIC COMPANY 2301 M ARKET STREET P.O. BOX 8699 PHILADELPHI A. PA.19101 SHIELDS L. DALTROFF ELacin c em cTsom January 30, 1980 Re: Docket Nos. 50-277 50-278 "r. Thomas A. Ippolito, Chief Operating Reactors Branch a3 Division of Operating Reactors United States Nuclear R e gu la t o ry C ommi s s i on Washingtca. DC 20555

Dear Mr. Ippolito:

O n N ove mb e r 5, 1979, a cartial response was submitted to your October 5. 1979 request for additional information with respect to ou r Augus t 27. 1979 application for amendment to Pacility Operating License Nos. DPR-44 and DPR-56 for the Peach Bottom Atomic Power Station Unit M os. 2 and The p rop os ed s. amendments involve the use of analog transmitter / trip unit systems for certain engineered saf eguard sensors. The requests which we could not respond t o p re vi ou s ly concerninq environmental inf orma tion are restated belou with the necessary information. 1. Provide the interface inforration specified in the GE Topical Report NEDO-21617-A t.. each of the four parameters specified in y ou r application for amendment. Resnonse Iten 5.4 3 1 of G3 Topical Report NEDO-21617-A asks for normal operation and p os t accident temperature and hunidity for each location where the re t rof it hardware will be located. This information is included in the response to requested information item 2. 2. For each location, state the maximum and mi ni mu m abnormal environmental conditions that are expected Aool 1928 356 3 /// 8 0 (n20 6 0 Y/4 9

Mr. Thomas A.

Ippolito,

? age 2 during normal, accident, and p os t-acciden t situations. The information should include magnitude and duration. Resoonse The required information is supplied in Appendix A which includes Table 1 and Graphs 1 through 4. Very t ru ly yours, [ i / ..i a l Enclosure 1928 357

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