ML20035H114
| ML20035H114 | |
| Person / Time | |
|---|---|
| Site: | Hope Creek  |
| Issue date: | 04/23/1993 |
| From: | Stephen Dembek Office of Nuclear Reactor Regulation |
| To: | Miltenberger S Public Service Enterprise Group |
| References | |
| TAC-M85264, NUDOCS 9305030159 | |
| Download: ML20035H114 (4) | |
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t April 23, 1993 Docket No. 50-354 Mr. Steven E. Miltenberger Vice President and Chief Nuclear Officer Public Service Flectric & Gas j
Company Post Office Box 236 Hancocks Bridge, New Jersey 08038
Dear Mr. Miltenberger:
SUBJECT:
REQUEST FOR ADDITIONAL INFORMATION, HOPE CREEK GENERATING STATION (TAC NO. M85264)
The NRC staff has completed a preliminary review of your license amendment request dated November 19, 1992, and supplemented on December 29, 1992.
This amendment request consists of proposed changes to the Updated Final Safety Analysis Report (UFSAR) for the Hope Creek Generating Station.
The changes would revise your UFSAR commitments for the emergency diesel generator (EDG) fuel oil transfer pump start level and fuel oil storage tank capacity.
The amendment request was made pursuant to the requirements of 10 CFR 50.59(c) because your evaluation identified the changes as unreviewed safety questions.
Additional information is requested, as detailed in the enclosure, in order for the staff to complete their review.
It is requested that the additional information be provided within 30 days of the date of this letter. This requirement affects 9 or fewer respondents and, therefore, is not subject to Office of Management and Budget review under P.L.96-511.
I Sincerely, ORIGINAL SIGNED BY:
Stephen Dembek, Project Manager l
Project Directorate 1-2 l
Division of Reactor Projects - I/II Office of Nuclear Reactor Regulation
Enclosure:
Request for Additional Information cc w/ enclosure:
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Mr. Steven E. Miltenberger Hope Creek Generating Station Public Service Electric & Gas Company cc:
M. J. Wetterhahn, Esquire Mr. J. A. Isabella Winston & Strawn MGR. - Generation Department 1400 L Street, N.W.
Atlantic Electric Company Washington, DC 20005-3502 Post Office Box 1500 1199 Black Horse Pike Pleasantville, New Jersey 08232 R. Fryling, Jr., Esquire Law Department - Tower SE Richard Hartung 80 Park Place Electric Service Evaluation Newark, New Jersey 07101 Board of Regulatory Commissioners 2 Gateway Center, Tenth Floor Hope Creek Resident Inspector Newark, NJ 07102 U.S. Nuclear Regulatory Commission Drawer I Lower Alloways Creek Township Hancocks Bridge, New Jersey 08038 c/o Mary O. Henderson, Clerk Municipal Building, P.O. Box 157 l
Mr. J. Hagan Hancocks Bridge, NJ 08038 Vice President - Nuclear Operations Nuclear Department P.O. Box 236 Hancocks Bridge, New Jersey 08038 Mr. R. Hovey General Manager - Hope Creek Operations Hope Creek Generating Station P.O. Box 236 Hancocks Bridge, New Jersey 08038 Mr. Frank X. Thomson, Jr., Manager Licensing and Regulation Nuclear Department P.O. Box 236 Hancocks Bridge, New Jersey 08038 Regional Administrator, Region I U.S. Nuclear Regulatory Commission 475 Allendale Road King of Prussia, Pennsylvania 19406 Dr. Jill Lipoti, Asst. Director Radiation Protection Programs NJ Department of Environmental Protection and Energy CN 415 Trenton, New Jersey 08625-0415
I Enclosure Reouest for Additional Information i
Recardino Fuel Oil Transfer Pumo Start level 1.
To what extent are the power supplies for the fuel oil transfer pumps independent (i.e., not subject to a common fault)?
2.
To what extent is the logic for starting one pump vs. the alternate pump i
independent (i.e., not subject to common fault)?
3.
How will operators be alerted to a problem concerning the fuel oil transfer pump operation? How would a blown fuse or erroneous fuel oil storage tank low level condition be identified?
4.
Verify that the flow paths from each fuel oil transfer pump to the fuel oil day tank are c'ompletely independent (UFSAR Figure 9.5-22 shows that the lines are independent; however, UFSAR Table 9.5-5 states that a pipe t
failure in one line will cause a complete loss of fuel supply to the EDG).
5.
What specific administrative controls are being implemented to address this situation?
6.
How frequently will each fuel oil transfer pump cycle on and off if the setpoint were changed to comply with the Standard Review Plan guidance?
Is this frequency of operation outside of the pump and motor design rating?
Recardino Fuel Oil Storaae Tank Capacity 1.
Wnat are tha maximum run times if all four diesels are operating after the design basis accident?
2.
What is the basis for the 6 days 16 hours1.851852e-4 days <br />0.00444 hours <br />2.645503e-5 weeks <br />6.088e-6 months <br /> run time?
Is this based on the
" worst case" diesel consumption, or is this based on the total consumption of all operating EDGs and then averaged? If this is based on the worst case diesel consumption, what is the maximum run time for the two other EDGs? What will the run times be if the fuel oil from the idle EDG is used?
3.
What fuel oil rating is credited for determining the diesel engine consumption rate? What assurance is there that a lesser quality fuel oil will not be used?
4.
How do you intend to transfer the fuel oil from the idle EDG's storage tanks to the active EDGs' storage tanks (i.e., what are the applicable details such as pumps required, power supplies, temporary hoses used, etc.)? The reliability of this contingency must be understood by the staff.
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, 5.
Provide the following details on the EDG load / fuel consumption determinations:
Day tank total capacity and usable volume, including consideration for a.
vortex effects.
b.
The fuel oil storage tank total capacity and usable volume.
The worst-case fuel consumption rate over time, based on the load c.
calculations.
How is the fuel oil consumption rate adjusted for different diesel loads?
6.
What administrative controls will be implemented to ensure that fuel oil is available on site in time to ensure continued diesel operation during an event?
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