ML20037B908

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Forwards Request for Addl Info Re Matls Employed in Reactor Vessel Const & Review of Specimens Employed in Surveillance Program.Info Requested within 60 Days
ML20037B908
Person / Time
Site: Big Rock Point, Palisades  File:Consumers Energy icon.png
Issue date: 05/20/1977
From: Desiree Davis
Office of Nuclear Reactor Regulation
To: Bixel D
CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
References
NUDOCS 8101120377
Download: ML20037B908 (4)


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nil Mev) at the inner surface of the reactor vessel wall as of March 31, 1977. 2. Provide the effective full power years (EFPY) of operation accumulated as of March 31, 1977. 3. Identify the firm or fims that fabricated your reactor vessel. 4. h. Provide a sketch of the reactor vessel showing all materials welds, in the beltline region

  • and provide an identification number for each material.

b. Provide the following infomation for each of the weldh in the beltline region: (1) Shop control number or procedure qualification number; (2) Filler metal and heat number; (3) Type of flux and batch number; i j (4) Welding process (sub arc, electroslag, manual metal arc, etc.) (5) Post-weld heat treatment; (6) Chemical composition (particularly Cu, P and S content); 1 (7) Drop weight T I NDT i (8) RT I NDT (9) Charpy upper shelf energy (unitradiated); i (10) Tensile properties (unirradiated); e (11) Firm perfoming weld if more than one firm participated in welding; (12) The maximum end-of-life fluence at the vessel inner wall.

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