ML19319C683
| ML19319C683 | |
| Person / Time | |
|---|---|
| Site: | Rancho Seco |
| Issue date: | 08/09/1971 |
| From: | Rich Smith US ATOMIC ENERGY COMMISSION (AEC) |
| To: | Mattimoe J SACRAMENTO MUNICIPAL UTILITY DISTRICT |
| Shared Package | |
| ML19319C679 | List: |
| References | |
| 14048, NUDOCS 8002210543 | |
| Download: ML19319C683 (2) | |
Text
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s UNITED STATES
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ATOMIC ENERGY COMMISSION L.l g
DIVISIOP OF COMPLIANCE 4
REGION V
- 4 2111 BANCROFT WAY BERKELEY, CALIFORNIA 94704 rum esi-stas enr. ni August 9, 1971 Sacramento knicipal Utility District Docket No. 050-0312 P. O. Box 15830 Sacramento, Calif. 95813 Attention: &. John J. Mattimoe Chief Engineer Gentlemen:
This refers to the inspection conducted by &. R. T. Dodds of this office on July 21-23, 19'1, of construction activities authorized by AEC Construction Permit No. CPPR-56, and to the discussion of our findings held by &. Dodds with W. J. J. Mattimoe, members of his staff, and Bechtel project representa-tives, at the conclusion'of the inspection.
Areas examined during this inspection included (1) the implementation of the QA-QC program relating to Class I piping other than for the primary system.
(2) resolution of noncanformance items identified by.your QA-QC program,
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and (3) the need for, and availability of, documented dimensional checks of
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wall thicknesses of significant size valves to be installed within the,
pressure boundry of the primary coolant system. Within these areas, the inspection consisted of selective examinations of procedures and representa-tive records, interviews with project personnel, and observations by the inspector.
No items of.nonconformance were identified within the scope of this inspection.
It is our understanding, with respect to the following items, that you intend to take the actions indicated:
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Determine whether dimensional checks have been n. ads of significant size' valves within the pressure boundary of the primary coolant system and, where documet.ted results are unavailable, initiate a program to determine the adequacy of valve wall' thickness.
~2 Incorporate essential-variables, such as the rate of shielding gas flow, into the~' instructions to welders (Welder's Guide)'.
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4 John'J.'Mattimoe August 9, 1971 These items will'be examined during the next inspection.
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'No reply to this letter is necessary, but should you have any questions concerning.this inspection, we will be glad to discuss them with you.
S incerely,
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R. W. Smith Director i
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