ML20005G595
| ML20005G595 | |
| Person / Time | |
|---|---|
| Site: | Davis Besse |
| Issue date: | 01/05/1990 |
| From: | Shelton D TOLEDO EDISON CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| 1754, TAC-M74524, NUDOCS 9001190375 | |
| Download: ML20005G595 (2) | |
Text
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a . TOLEDO F EDISON l o :; ac.m en.,en,y. t DONALD C. SHELTON - vc.en,= = % t 141sj e4s eam Docket Number 50-346 F [ . License Number NPF-3 l ' Serial Number.1754~ January 5, 1990 l i ] 'E
- United. States Nuclear-Regulatory Commission Document Control Desk y
4 , Washington,,D..C. 20555. Subject s= Proposed Alternative' to ASME Section XI Requirements for End of E Interval Hydrostatic' Test of the-Steam Generators and Auxiliary ?' Feedvater Valve Replacement (TAC Number'M74524) a ' Gentlemen: s .ASME Boiler ahd Pressure Vessel Code, Section XI requires that the Class 2 portion of the steam generators, associated auxiliary feedvater,. main feedvater, and main steam piping be'hydrostatically tested at or near the end V 'of~each 10-year;in-service inspection (ISI) interval. The test, conducted in
- accordance with Section
- XI, requires the test parameters to be 1313 psig at j
'130'F:ts 200*F for.a'4-hour hold time. Toledo Edison submitted pursuant to T 10CFR50.55 a, Paragraphs (a)(3) ands (g)(5)(iii) a. request (Serial Number 1686,
- dated-Augusti7,jl989)-for-the Nuclear Regulatory Commission-(NRC) approval of a proposed-alternative to these testing requirements. On the basis of time, l
' cost, and. radiological considerations, the request proposed an alternative to L pertorm a hydrostatic test similar.to the requirements for Class.1 piping. ~ The alternate' test would.have been a 4-hour pressure test at 957 psi (110% above opernting pressure) and normal system operating temperature followed by l a VT-2, visual inspection'of the entire test boundary. Dased on recent t'elephone discussions with the NRC staff, Toledo Edison l understands:that the NRC staff vill not consider approval of the proposed b ' alternative. Accordingly, Toledo Edison hereby withdraws the request for approval of' the subject proposed alternative (Serial Number 1686). 3 l' ((. l g DR D THE TOLEDO' EDISON COMPANY ' EDISON PLAZA 300 MADISON AVENUE TOLEDO, OHIO 43652 W 1- _____--.L.____.___.-.____.,
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. Should further information be required : please' contact Mr. R., V. Schrauder, [J Manager-Nuclear Licensing, at (419) 249-2366.' lj
- Very truly'yours.
k ( R-lGBK/ssg .cct 'P..LM. Byron', DB-1 NRC' Senior Resident' Inspector; / A.fB.:' Davis, Regional-Administrator, NRC Region-III> ' T. V. Vambach,. NRC/NRR DB-1 Senior Project Manager . State.of10hio e (- i ~l .p-< 41 \\ t ' x 7,, 9 . e-L ' !,5 n
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