ML17056A628

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Advises That 900118 Response to NRC Bulletin 89-002, Stress Corrosion Cracking of High Hardness Type 410 Stainless Steel Internal Preloaded Bolting in Anchor/Darling Model S350W Swing Check Valves..., Acceptable
ML17056A628
Person / Time
Site: Nine Mile Point  Constellation icon.png
Issue date: 02/15/1990
From: Martin R
Office of Nuclear Reactor Regulation
To: Burkhardt L
NIAGARA MOHAWK POWER CORP.
References
IEB-89-002, IEB-89-2, TAC-74280, TAC-74281, NUDOCS 9002260230
Download: ML17056A628 (4)


Text

Docket Nos.

50-220 and 50-410 F

B is 1990 Mr. Lawrence Burkhardt, III Executive Vice President, Nuclear Operations Niagara Mohawk Power Corporation 301 Plainfield Road

Syracuse, New York 13212

Dear Mr. Burkhardt:

SUBJECT:

REVIEW OF

RESPONSE

TO BULLETIN 89-02 FOR NINE MILE POINT UNITS 1 AND 2 (TAC NOS. 74280 and 74281)

By letter dated January 18, 1990, the Niagara Mohawk Power Corporation (NMPC) responded to Bulletin 89-02, "Stress Corrosion Cracking of High Hardness Type 410 Stainless Steel Internal Preloaded Bolting in Anchor Darling Model S350W Swing Check Valves or Valves of Similar Design."

In the response, NMPC confirmed that the valve inspections requested by the Bulletin were not necessary since neither of the Nine Mile Point units have Anchor Darling Model S350W valves nor do they have other valves of similar design with preloaded Type 410 SS bolt materials as addressed by the Bulletin.

Therefore, the staff considers NMPC's action of responding to the Bulletin to be complete.

Accordingly, the actions related to TAC Nos.

74280 and 74281 for NMP-1 and 2

are considered to be complete.

S in cere ly, ORtGIMAt: SfGNED BY:

cc:

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Mr. L. Burkhardt III N,iagara Mohawk Power Corporation Nine Mi oint Nuc Iear Station',

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Mr. Troy B. Conner, Jr., Esquire Conner h Wetterhahn Suite 1050 1747 Pennsylvania

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20006 Supervisor Town of Scriba R. D. ¹4

Oswego, New Yor k 13126 Mr. 8ames L. Willis General Supt.-Nuclear Generation Niagara Mohawk Power Corporation Nine Mile Point Nuclear Station Post Office Box 32
Lycoming, New York

)3093 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 Hew York, Hew York 10271 Mr. Paul D. Eddy State of New York Department of Public Service Power Division, System Operations 3 Empire State Plaza
Albany, New Yor k 12223

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