ML20148Q278
| ML20148Q278 | |
| Person / Time | |
|---|---|
| Site: | Peach Bottom  |
| Issue date: | 03/30/1988 |
| From: | Gallagher J PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC |
| To: | Butler W Office of Nuclear Reactor Regulation |
| References | |
| RTR-REGGD-01.137, RTR-REGGD-1.137 TAC-47379, TAC-47380, NUDOCS 8804120384 | |
| Download: ML20148Q278 (5) | |
Text
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s; PHILADELPHIA ELECTRIC COMPANY 2301 MARKET STREET P.O. BOX 8699 PHILADELPHI A, PA 19101 (2 s) aas soo
' """ D E$NO ""
March 30, 1988 v CE NUCLEAR S E R VIC E S Docket Nos. 50-277 50-278 Mr. W. R.
Butler, Director Project Directorate I-2 Division of Reactor Projects I/II U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C.
20555
SUBJECT:
Peach Bottom Atomic Power Station Diesel Generator Fuel Oil System (TAC Nos. 47379, 47380)
REFERENCE:
January 22, 1988 letter from R. E. Martin, NRC, to E. G.
Bauer, Jr., PECo
Dear Mr. Butler:
The referenced letter requested that Philadelphia Electric Company (PECo) provide specific confirmatory information to permit the NRC to complete its review of a Technical Specification Amendment Application for bringing Peach Bottom into conformance with Regulatory Guide 1.137.
The Amendment Application was filed on October 1, 1981, and amended on November 15, 1984, November 24, 1986, September 2, 1987 and November 18, 1987.
The NRC's requests are restated below followed by PECo's response.
1.
NRC Request:
The licensee is requested to confirm that the diesel generator fuel oil system is, as apparently indicated by UFSAR Appendices C and D, included on the PBAPS Q-list and is designed to seismic Category I criteria.
99041203B4 00s330 PDR ADOCK 05000277 P
PDR I 1
Mr. W.
R.
Butler March 30, 1988 Page 2
Response
The diesel generator fuel oil storage tanks, day tanks, transfer pumps, piping, pipe supports, and wye-strainers are included on the Peach Bottom Q-list.
The applicable Q-numbers are 47.42, 47.43, 47.51, 47.53, 47.55 and 47.57, respectively.
Furthermore, an itemization of each Q-listed component in the diesel generator fuel oil system is included on the new Q-list which was recently completed to provide a more detailed listing of Peach Bottom components.
The new Q-List is currently undergoing final verification prior to issuance.
The diesel generator fuel oil system was designed to Seismic Category I criteria applicable at the time the plant was constructed.
As shown on Bechtel Corporation piping isometric drawing FSK-M-433, all piping that is designated as "HDR" on P&ID M-323, Revision 13, is seismically analyzed by seismic span criteria and gravity spans.
The information pertaining to the diesel generator fuel oil piping was transferred from P&ID M-323 to P&ID M-377, Sheet 4, during a recent computer aided design upgrade of the Peach Bottom P&ID's.
The current revision of P&ID M-377, Sheet 4, is attached.
2.
NRC Request:
Specify the standards for design of the fuel oil piping.
Response
l The diesel generator fuel oil piping is considered a "balance of plant" system and is designed and installed in accordance with ANSI B31.1, 1967 edition.
This is documented in UFSAR Appendix A.
3.
NRC Request:
Provide the results of the testing committed to in the November 18, 1987 submittal when available.
Response
The testing committed to in our November 18, 1987 letter has been completed.
With two transfer pumps operating simultaneously taking suction from the same storage tank, each pump delivered twenty gallons per minute of fuel oil to its day
Mr. W. R.
Butler March 30, 1988 Page 3 tank.
The Diesel Generators consume approximately three gallons per minute of fuel oil operating at rated load.
Careful observation during the test revealed no evidence of cavitation or equipment malfunction.
If you have any questions or require additional information, please do not hesitate to contact us.
Very truly yours, i
Attachment cc:
Addressee W. T.
Russell, Administrator, Region I, USNRC R. E. Martin, NRC Peach Bottom Project Manager T.
P. Johnson, Resident Site Inspector t
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