ML17056B140
| ML17056B140 | |
| Person / Time | |
|---|---|
| Site: | Nine Mile Point  |
| Issue date: | 11/20/1990 |
| From: | Brinkman D Office of Nuclear Reactor Regulation |
| To: | Burkhardt L NIAGARA MOHAWK POWER CORP. |
| References | |
| TAC-68570, NUDOCS 9011300071 | |
| Download: ML17056B140 (8) | |
Text
November 20, 1990 Docket No. 50-220 Mr. Lawrence Burkhardt III Executive Vice President
- Nuclear Niagara Mohawk Power Corporation 301 Plainfield Road
- Syracuse, New York 13212 Distribution eeea=
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Dear Mr. Burkhardt:
SUBJECT:
NINE MILE POINT UNIT 1 - REQUEST FOR ADDITIONAL INFORMATION REGARDING STATION BLACKOUT (TAC NO. 68570)
By letter dated April 13, 1989, Niagara Mohawk Power Corporation submitted its response to the station blackout rule (10 CFR 50.63).
The NRC staff is reviewing your submittal and has identified information that is required to continue our review.
The enclosed Request for Additional Information identifies the information we need to continue our evaluation of your submittal.
The requested additional information was identified to members of your staff during a telephone conference call on October 9, 1990.
Please provide this information to us within 45 days of the date of this letter so that we can complete our evaluation in a timely manner.
This requirement affects one respondent and, therefore, is not subject to Office of Management and Budget review under P.L.96-511.
S incerely, ORIGINAL SIGNED BY)
Enclosure:
Request for Additional Information cc w/enclosure:
See next page Donald S. Brinkman, Senior Project Manager Project Directorate I-1 Division of Reactor Project - I/II Office of Nuclear Reactor Regulation PDI-1: LA CVogan o /za/90 PDI-I:PM/
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Docket No. 50-220 UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D. C. 20555 November 20, 1990 Mr. Lawrence Burkhardt III Executive Vice President - Nuclear Niagara Mohawk Power Corporation 301 Plainfield Road
- Syracuse, New York 13212
Dear Mr. Bur khardt:
SUBJECT:
NINE MILE POINT UNIT 1 - REQUEST FOR ADDITIONAL INFORMATION REGARDING STATION BLACKOUT (TAC NO. 68570)
By letter dated April 13, 1989, Niagara Mohawk Power Corporation submitted its response to the station blackout rule (10 CFR 50.63).
The'RC staff is reviewing your submittal and has identified information that is required to continue our review.
The enclosed Request for Additional Information identifies the information we need to continue our evaluation of your submittal.
The requested additional information was identified to members of your staff during a telephone conference call on October 9, 1990.
Please provide this information to us within 45 days of the date of this letter so that we can complete our evaluation in a timely manner.
This requirement affects one respondent and, therefore, is not subject to Office of Management and Budget review under P.L.96-511.
Sincerely,
Enclosure:
Request for Additional Information cc w/enclosure See next page Donald S. Brinkman, Senior Project Manager Project Directorate I-1 Division of Reactor Project - I/II Office of Nuclear Reactor Regulation
Mr. L. Burkhardt, III Niagara Mohawk Power Corporation Nine Mile Point Nuclear Station, Unit No.
1 CC:
Mr. Mark J. Wetterhahn, Esquire
- Bishop, Cook, Purcell 8 Reynolds 1400 L. Street, N.W.
Washington, D.
C.
20005-3502 Supervisor Town of Scriba R.
D. ¹4
- Oswego, New York 13126 Mr. Joseph F. Firlit Vice President - Nuclear Generation Niagara Mohawk Power Corporation Nine Mile Point Nuclear Station Post Office Box 32
- Lycoming, New York 13093 Resident Inspector U.S. Nuclear Regulatory Commission Post Office Box 126
- Lycoming, New York 13093 Mr. Gary D. Wilson, Esquire Niagara Mohawk Power Corporation 300 Erie Boulevard West
- Syracuse, New York 13202 Regional Administrator, Region I U.S. Nuclear Regulatory Commission 475 Allendale Road King of Prussia, Pennsylvania 19406 Ms.
Donna Ross New York State Energy Office 2 Empire State Plaza 16th Floor Albany, New York 12223 Mr. Kim Dahlberg Unit 1 Station Superintendent Nine Mile Point Nuclear Station Post Office Box 32
- Lycoming, New York 13093 Mr. Peter E. Francisco, Licensing Niagara Mohawk Power Corporation 301 Plainfield Road
- Syracuse, New York 13212 Charlie Donaldson, Esquire Assistant Attorney General New York Department of Law 120 Broadway New York, New York 10271'r.
Paul D.
Eddy State of New York Department of Public Service Power Division, System Operations 3 Empire State Plaza
- Albany, New York 12223
/
Request For Additional Information Regarding Station Blackout Niagara Mohawk Power Corporation Nine Mile Point Unit I Docket No. 50-220 The following information is requested to continue the station blackout review.
1.
The independence of offsite power grouping is concluded to be "I3." If it is believed that the grouping should be "I2," provide details supporting such a classification.
2.
Provide details of the loss of instrumentation and controls due to the shedding of the MG sets to conserve the Class-1E battery capacity.
3.
Provide an analysis of RCS inventory assuming a leak rate of an 18 gpm per pump (5 pumps) and the maximum allowable technical specification leak rate.
4.
Provide an analysis supporting the condensate inventory requirements (including appropriate references) and describe the manual actions needed to control the emergency condensers.
Identify the location of the gravity flow feed valve.
5.
Provide an analysis of the adequacy of the removal of control room ceiling panels and the appropriate location of the removed panels to provide sufficient air flow for, better heat dissipation in the control room.
6.
Provide an analysis of the temperature rise in the drywell.
7.
The quality assurance requirements for the SBO equipment need to be listed.
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