ML20006F246
| ML20006F246 | |
| Person / Time | |
|---|---|
| Site: | Davis Besse  |
| Issue date: | 02/21/1990 |
| From: | Hannon J Office of Nuclear Reactor Regulation |
| To: | Shelton D TOLEDO EDISON CO. |
| References | |
| TAC-75848, NUDOCS 9002270289 | |
| Download: ML20006F246 (3) | |
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February 21, 1990
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Docket No. 50-346 DISTRIBUTION:
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NRC & Local PDRs PDIll-T r/f' JZwolinski JHannon TWambach PKreutzer OGC-WF1 Mr. Donald C. Shelton EJordan ACRS(10) o Vice President - Nuclear PDIII-3 Gray KWichman I
Toledo Edison Company Edison Plaza - Stop 712 300 Madison Avenue L
Toledo, Ohio 43652
Dear Mr. Shelton:
SUBJECT:
REQUEST FOR PROPOSED ALTERNATIVE TO REQUIREMENTS OF ASME SECTION III FOR THE DAVIS-BESSE Hl: CLEAR POWER STATION (TACNV.75848)
By letter dated February 8,1990 Toledo Edison Company requested approval for the use of B&W steam generator plugs manufactured with an alternate material. The alternate material is a nickel base alloy, ASME designation 50-166(Alloy 690).
The staff has reviewed your request and supporting information and concludes that the use of Alloy 690 as a proposed alternative to the use of Alloy 600,
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in accordance with the requirements of the ASME Boiler and Pressure Vessel Code, will provide an acceptable level of quality and safety and because Alloy 690 has superior anti-corrosion properties to Alloy 600.
Use of Alloy 690 in this application is hereby authorized under the provisions of 10 CFR 50.55a(a)(3) at Davis-Besse Nuclear Power Station.
Sincerely,
/s/
John N. Hannon, Director Project Directorate III-3 i
i Division of Reactor Projects - III, IV, V and Special Projects Office of Nuclear Reactor Regulation cc: See next page a
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February 21, 1990 l
Docket No. 50-346 Mr. Donald C. Shelton t
Vice President - Nuclear Toledo Edison Company Edison Plaza - Stop 712
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300 Madison Avenue Toledo, Ohio 43652
Dear Mr. Shelton:
SUBJECT:
REQUEST FOR PROPOSED ALTERNATIVE TO REQUIREMENTS OF ASME SECTION III FOR THE DAVIS-BESSE NUCLEAR POWER STATION (TACNO.75848)
By letter dated February 8,1990 Toledo Edison Company requested approval for the use of B&W steam generator plugs manufactured with an alternate material. The alternate meterial is a nickel base alloy, ASME designation SB-166(Alloy 690).
lhe staff has. reviewed your request and supporting information and concludes that the use of Alloy 690 as a proposed alternative to the use of Alloy 600, in accordance with the requirements of the ASME Boiler and Pressure Yessel Code, will provide an acceptable level of quality and safety and because Alloy 690 has superior anti-corrosion properties to Alloy 600. Use of Alloy-690 in this-epplication is hereby authorized under the provisions of 10 CFR 50.55a(a)(3)atDavis-BesseNuclearPowerStation.
Sincerely.
-w #7 l,
S.
John N. Hannon, Director Project Directorate III-3 Division of Reactor Projects - III, IV, Y and Special Projects Office of Nuclear Reactor Regulation cc:
See next page u
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.i Mr. Donald C. Shelton Davis-Besse Nuclear Power Station Toledo Edison Company Unit No. 1 i
cc:
David E. Burke, Er.4,,
The Cleveland Elect'ric Radiological Health Program Illuminating Conpany Ohio Department of Health P. O. Box 5000 1224 Kinnear Road Cleveland, Ohio 44101 Columbu.1, Ohio 43212 Mr. Robert W. Schrauder Attorney General Manager, Nuclear Licensing Department of Attorney Toledo Edison Company General Edison Plaza 30 East Broad Street 300 Madison Avenue Columbus, Ohio 43215 Toledo, Ohio 43652 Mr. James W. Harris, Director-Gerald Charnoff, Esq.
(AddresseeOnly) i Shaw, Pittman, Potts Division of Power Generation and Trowbridge Ohio Department of Industrial Relations 2300 N Street N.W.
2323 West 5th Avenue Washington, D.C. 20037 P. O. Box 825 Columbus, Ohio 43216 Regional Administrator, Region 111 U.S. Nuclear Regulatory Comission Ohio Environmental Protection Agency 799 Roosevelt Road 361 East Broad Street Glen Ellyn, Illinois 60137 Columbus, Ohio 43266-0558 President, Board of Mr. Robert B. Borsum County Comissioners of i
Babcock & Wilcox Ottawa County Nuclear Power Generation Division Port Clinton, Ohio 43452 Suite 525, 1700 Rockville Pike Rockville, Maryland 20852 State of Ohio Public Utilities Commission Resident Inspector 180 East Broad Street U.S. Nuclear Regulatory Commission Columbus, Ohio 43266-0573 5503 N. State Route 2 Oak Harbor, Ohio 43449
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