ML20154F390
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UNITED STATES -
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i ATOMIC ENERGY COMMISSION l
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g oivielON OF COWLIANCE 4
REGION V 4r allt SANCROFT WAY BERMELEY, CAR.lFORNIA 94704 vet
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October 16, 1970 i
4 J. P. O'Reilly, Chief Reactor Inspection and Enforcement Branch i
Division of Compliance Headquarters PACIFIC GAS AND E1.ECTRIC COMPANY - DIABLO CANYON UNIT NO.1
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DOCKET NO. 50-275 l
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l The attached report contains the details of our recent inspection of construction act.tvities at the site of the subject facility.
No items l
of nonconformance were noted during the visit. The inspection was conducted on September 15 and 16,1970 pursuant to PI 3800/2 in accordanca with the master inspection schedule for the project.
W. Kelley (C0:11) j accompanied Johnson to specifically review nondestructive testing proce-dures and techniques utilized, capabilities of NDT Inspectors, and evaluate i
the welding of the containment liner and the liquid holdup tanks as an l
independent check on activities previously reviewed by Region V.
In visw of the licensees' response to the issues raised during our l
previous inspections, we are confident that the onsite QA group will thoroughly investigate and evaluate the circumstances surrounding Kelley's l
observation of the dye penetrate test in question. Since we have been assured that the licensee's evaluation will be directed toward the adverse
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implications of the QA-QC program and since the test is not a PSAR requirement 4
we propose no further action concerning the item at this time. However, we
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plan to review the licensee's investigation of the adequacy of the dye i
penetrant test in question, to determine its scope and depth.
If the investigation is found to be superficial or concurs with Kelley's obser-vation the item will then be a subject for discussion with PG&E in that i
the QA-QC program may not be functioning effectively in this area of activity.
4 Mr. Kelley's report has been attached to the report as Appendix A.
i You will note, as discussed in the management interview, that the licensee i
j believes the concrete sampling and test procedures are proper and does not 1
intend to change them unless directed by us to do otherwise.
Therefore, if i
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0005230217 080510 i
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the tocation of testing is not considered to be consistent with.CO:HQ policies, and we desire sampling to be donc at point of placement rather than at the batch plant, it will require DRL correspondence with the i
licensee because the code (ASTM-C172), is permissive in this respect.
awab O. S. Spencer Senior Reactor Inspector
Attachment:
CO Rpt No 50-275/70-4 by A D. Johnson & W. D. Kelley dtd 10/16/70 cc E. G. Case, DRS (3)
P. A. Morris, DRL R. S. Boyd, DRL (2)
R. C. DeYoung DRL /,2)
D. J. Skovholt, DRL (3)
P. W. Howe, DRL (2)
L. Kornblith, Jr., CO Regional Directors, 00 Reg files
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