ML19250A679
| ML19250A679 | |
| Person / Time | |
|---|---|
| Site: | Peach Bottom  |
| Issue date: | 10/05/1979 |
| From: | Ippolito T Office of Nuclear Reactor Regulation |
| To: | Bauer E PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC |
| References | |
| NUDOCS 7910240216 | |
| Download: ML19250A679 (3) | |
Text
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,og UNITED STATES y
3.n ( 3 g NUCLEAR REGULATORY COMMISSION 5
E WASHINGTON, D. C. 20555 5
October 5, 1979 Docket Nos. 50-277 and 50-278 Mr. Edward G. Bauer, Jr.
Vice President and General Counsel Philadelphia Electric Company 2301 ffarket Street Philadelphia, Pennsylvania 19101
Dear Mr. Bauer:
Your letter dated October 27, 1979 requested amendments to Facility Operating License Nos. DPR-44 and 56 for the Peach Bottom Atomic Power Station Unit Nos. 2 and 3.
The proposed amendments involve the use of analog transmitter / trip unit systems for certain engineered safeguard sensors.
In the course of our review we have determined that the additional infomation identified in the enclosure is required. Request this information be provided within 30 days of your receipt of this letter.
Should you have any questions, please contact us.
Sincerely, 0:
] ',
e Thomas L.i ppollto, hief Operating Reactors Branch #3 Division of Operating Reactors
Enclosure:
Request for Additional Information cc w/ enclosure: See page 2 1204 iT011 791o240 2 6
Mr. Edward G. Bauer, Jr.
Philadelphia Electric Company
-2 October 5,1979 cc:
Eugene J. Bradley Philadelphia Electric Company Assistant General Counsel 2301 Market Street Philadelphia, Pennsylvania 19101 Troy B. Conner, Jr.
1747 Pennsylvania Avenue, N. W.
Washington, D. C.
20006 Raymond L. Hovis, Esquire 35 South Duke Street York, Pennsylvania 17401 Warren K. Rich, Esquire Assistant Attorney General Department of Natural Resources Annapolis, Maryland 21401 Government Publications Section State Library of Pennsylvania Education Building Commonwealth and Walnut Streets Harrisburg, Pennsylvania 17126 M. J. Cooney, Superintendent Generation Division - Nuclear Philadelphia Electric Company 2301 Market Street Philadelphia, Pennsylvania 19101 Edward Greenman U. S. Nuclear Regulatory Commission Office of Inspection and Enforcement Peach Bottom Atomic Power Station P. O. Box 399 Delta, Pennsylvania 17314 Philadelphia Electric Company ATTN: Mr. W. T. Ullrich Peach Botton Atomic Power Station Delta, Pennsylvania 17314 1204 002
PEACH BOTTOM ATOMIC POWER STATION UNITS 2 AND 3 REQUEST FOR ADDITIONAL INFORMATION Several aspects of the design and implementation of the protection system modifications do not appear to satisfy the conditions under which the staff approved the use of analog transmitter / trip unit systems for engineered safeguard sensor trip outputs. Accordingly, pro.ide:
1.
The interface information specified in GE Topical Report NED0-21617-A for each of the four parameters specified in your application for amendment, and 2.
For each location, stace the maximum and minimum abnormal environmental conditions that are expected during normal, accident, and post-accident situations. This information should include both magnitude and duration.
3.
For each parameter, state the position of the trip output logic select switch in terms of the opening or closing of the trip output contacts on a loss of power.
1204 ORD3