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Forwards 800725 rept containing evaluation of differing prof opinion raised by J Halapatz re adequacy of weld repair of pressurizer relief line at facility.
Accession Number: ML20062H675
Date Released: Saturday, November 7, 2020
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- ML20062H670 - Forwards 800725 rept containing evaluation of differing prof opinion raised by J Halapatz re adequacy of weld repair of pressurizer relief line at facility. (1 page(s), 8/7/1980)
- ML20062H676 - Submits trip rept for 800116 site visit to review weld repair procedure used for realigning 6-inch pressurizer relief pipe & supporting data.Repair is satisfactory & area should not be susceptible in intergranular stress-corrosion. (6 page(s), 1/25/1980)
- ML20062H678 - Requests that encl IE Insp Rept 50-327/80-12 be forwarded to appropriate branch.Rept has not yet been reviewed by licensee for proprietary info. (1 page(s), 4/22/1980)
- ML20062H682 - Discusses differing prof opinion of adequacy of weld drawbead repair of pressurizer relief pipe.Third-party insp desirable & should be implemented re acceptance of repair. (4 page(s), 6/16/1980)
- ML20062H685 - Ack receipt of 800616 memo to SS Pawlicki re expression of differing prof opinion in matter of adequacy of weld drawbead repair of pressurizer relief pipe.Final action will be taken to close out issue. (3 page(s), 6/23/1980)
- ML20062H690 - Advises of inaccuracy in 800623 memo re expression of differing prof opinion in adequacy of weld drawbead repair of pressurizer relief pipe.Forwards draft memo distributed to NRC personnel prior to 800313 meeting w/util. (6 page(s), 6/25/1980)
- ML20062H693 - Forwards memos & repts on weld drawbead repair of pressurizer relief pipe.Undated draft attached to J Halapatz 800625 memo to R Gamble is unissued.W/o encl. (1 page(s), 6/27/1980)
- ML20062H695 - Comments on differing prof opinion on weld repair of pressurizer relief pipe.Majority opinion remains that repair is acceptable.Concurs w/J Halapatz recommendation that third-party insp be performed. (2 page(s), 6/27/1980)
- ML20062H700 - Comments on differing prof opinion on weld repair of pressurizer relief pipe.Type of repair is common & accepted method.Inservice insp program augmented w/ultrasonic techniques should be implemented. (2 page(s), 6/30/1980)
- ML20062H704 - Comments on J Halapatz 800616 & 25 memos to S Pawlicki & R Gamble,respectively.Implication that weld drawbead repair has significant potential for line break is not accurate & neglects previous safety evaluations & svc experience. (2 page(s), 6/27/1980)
- ML20062H707 - Requests peer review by 800711 re differing prof opinion on weld repair of bent pressurizer relief pipe.Forwards pertinent documents dealing w/repair & w/issues concerning technical (code) acceptability.W/o encl. (1 page(s), 6/30/1980)
- ML20062H710 - Comments on views expressed by immediate supervisor & others in course of resolution of differing prof opinion on repair of pressurizer relief pipe.Engineering judgments,when possible,should be based on test data & not opinion. (5 page(s), 7/8/1980)
- ML20062H713 - Discusses weld drawbead realignment of 6-inch pressurizer relief pipe.Points raised in J Halapatz 800228 memo are tenuous & not applicable. (4 page(s), 7/24/1980)
- ML20062H719 - Responds to 800630 memo re peer review of differing prof opinion on pressurizer relief line weld repair.Repair did not penetrate pipe wall;hydrostatic testing unnecessary. Discussion of repair issues encl. (9 page(s), 7/24/1980)