ML17056B799
| ML17056B799 | |
| Person / Time | |
|---|---|
| Site: | Nine Mile Point  |
| Issue date: | 04/09/1992 |
| From: | Brinkman D Office of Nuclear Reactor Regulation |
| To: | Sylvia B NIAGARA MOHAWK POWER CORP. |
| References | |
| TAC-M81833, NUDOCS 9204230089 | |
| Download: ML17056B799 (8) | |
Text
Docket Nos.
50-220 April 9, 1992
~
Hr.
B. Ralph Sylvia Executive Vice President, Nuclear Niagara Mohawk Power Corporation 301 Plainfield Road
- Syracuse, New York 13211
Dear Mr. Sylvia:
SUBJECT:
REQUEST FOR ADDITIONAL INFORMATION CONCERNING NINE MILE POINT UNIT NO.
1 INSERVICE TEST RELIEF REQUEST CTS-RR-1 (TAC NO. H81833)
In attachment 2 of its letter dated October 8,
- 1991, Niagara Mohawk Power Corporation (NHPC) submitted four inservice testing relief requests.
Additional information, as identified in Enclosure 1, is required for the NRC staff to complete its review of one of these relief requests (CTS-RR-1).
The NRC staff discussed the requested additional information in a telephone conference on April 2, 1992, with Hr. Nick Spagnoletti and others on your staff.
In order to complete our review in a timely manner, we request that you respond within 30 days of receipt of this letter.
This requirement affects one respondent and, therefore, is not subject to Office of Management and Budget review under P.L.96-511.
Sincerely, Original Signed By Donald S.
Brinkman, Senior Project Manager Project Directorate I-l Division of Reactor Projects - I/II Office of Nuclear Reactor Regulation
Enclosure:
Request for Additional Information cc w/enclosure:
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Docket No. 50-220 UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON. D.C. 20555 April 9, 1992 Mr. B. Ralph Sylvia Executive Vice President, Nuclear Niagara Mohawk Power Corporation 301 Plainfield Road
- Syracuse, New York 13211
Dear Mr. Sylvia:
SUBJECT:
RE(VEST FOR ADDITIONAL INFORMATION CONCERNING NINE MILE POINT UNIT NO.
1 INSERVICE TEST RELIEF REQUEST CTS-RR-1 (TAC NO. M81833)
In attachment 2 of its letter dated October 8, 1991, Niagara Mohawk Power Corporation (NMPC) submitted four inservice testing relief requests.
Additional information, as identified in Enclosure 1, is required for the NRC staff to complete its review of one of these relief requests (CTS-RR-1).
The NRC staff discussed the requested additional information in a telephone conference on April 2, 1992, with Mr. Nick Spagnoletti and others on your staff.
In order to complete our review in a timely manner, we request that you respond within 30 days of receipt of this letter.
This requirement affects one respondent and, therefore, is not subject to Office of Management and Budget review under P.L.96-511.
Sincerely, 74
'ce
Enclosure:
Request for Additional Information cc w/enclosure:
See next page onald S.
Brinkman, Senior Project Manager Project Directorate I-1 Division of Reactor Projects - I/II Office of Nuclear Reactor'egulation
Mr. B. Ralph Sylvia Niagara Mohawk Power Corporation Nine Nile Point Nuclear Station Unit No.
1 CC:
~
Mark J. Wetterhahn, Esquire Winston 5 Strawn 1400 L Street, NW Washington, DC 20005-3502 Supervisor Town of Scriba Route 8, Box 382
- Oswego, New York 13126 Hr. Joseph F. Firlit Vice President Nuclear Gener ation 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 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 Hr. Kim Dahlberg Unit 1 Station Superintendent Nine Mile Point Nuclear Station Post Office Box 32
- Lycoming, New York 13093 Hr. David K. Greene Manager Licensing Niagara Mohawk Power Corporation 301 Plainfield Road
- Syracuse, New York 13212 Charles Donaldson, Esquire Assistant Attorney General New York Department of Law 120 Broadway New York, New York 10271 Hr. Paul D.
Eddy State of New Yor k Department of Public Service Power Division, System Operations 3 Empire State Plaza
- Albany, New York 12223
Enclosure Request for Additional Information Concerning Nine Nile Point Nuclear Station Unit No.
1 Inservice Testing Relief Request CTS-RR-1 NMPC is requested to resubmit relief request CTS-RR-1 (containment spray system containment isolation check valves) and include the following points in the submittal:
1.
Describe the burden associated with performing a water flow test.
2.
Describe the burden associated with cutting out one valve of each size to perform disassembly and inspection of the valves and reweld them back in place.
3.
Describe the burden associated with performing an air flow test.
4.
Discuss the feasibility of the various non-intrusive test methods examined.
5.
Discuss the feasibility of using a boroscope to conduct visual inspections on the check valves.
6.
Provide either a vendor drawing or discussion that includes the valve manufacturer and model number.
7.
Provide any history, if available, on the valves from the valve manufacturer.
8.
Provide details of the 1994 proposed modifications for each valve
~ including:
- a. valve replacement type (if valve is to be replaced)
- b. valve safety function and bases for that function before and after modification
- c. type of inservice testing to be conducted on valve after modification In addition, NNPC is requested to include in this relief request a written commitment to perform the modifications during the 1994 refueling outage.
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