ML16342B058

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Notice of Violation from Insp on 790430-0503
ML16342B058
Person / Time
Site: Diablo Canyon  Pacific Gas & Electric icon.png
Issue date: 06/01/1979
From:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
To:
Shared Package
ML16341C954 List:
References
50-275-79-12, 50-323-79-07, 50-323-79-7, NUDOCS 7908150226
Download: ML16342B058 (4)


Text

APPENDIX A Pacific Gas and Electric Company 77 Beale Street San Francisco, California 94106 Docket Nos.

50-275 and 50-323 Construction Permit Nos.

CPPR-39 and CPPR-69 Notice of Violation Based on the results of an NRC i.nspection conducted during the period of April 30 - May 3, 1979, it appears that certain of your activities were not conducted in full compliance with conditions of Construction Permits Nos.

CPPR-39 and CPPR-69 as indicated below.

A.

10 CFR 50, Appendix B, Criterion V, as implemented by Section 17.1.5 of the FSAR and the PG&E Quality Assurance Manual Section V, states in part that, "Activities affecting quality shall be pre-scribed by documented instructions, procedures, or drawings, of a type appropriate to the circumstances and shall be accomplished in accordance with these instructions, procedures, or drawings."

Paragraph 10 of Drawing 049237; Revision 4 (Piping and Mechanical

'anger and Snubber Supplementary Installation Instructions) specifies a maximum attachment weight of 25 pounds when a tubing support is attached to a large bore hanger.

Contrary to the above, a tubing support (2-FT-640) that weighed 28 pounds was attached to Unit 2 large bore support 49-12V.

This is an infraction applicable to Unit 2.'.

10 CFR 50, Appendix B, Criterion V, as implemented by Section 17.1.5 of the FSAR and the PG&E Quali,ty Assurance Manual Section V, states in part that "Activities affecgjng quality shall be...

accomplished in accordance with '... 'instructions, procedures or drawings."

~

'oley procedure QCP-9 (Quality Control Procedure f'r Installation".

of Raceways, Junction and Terminal Boxes for Mire Pull) Paragraph l.2.5.,

(implementing PG&E Drawing 050029, conduit note 60) states that "1/here non-class 1 conduit shares supports with more than one class 1 raceway, vital or protection channel, an intermediate class 1 support shall be provided."

Pacific Gas and Electric Company Docket Nos.

50-275 and 50-323 APPENDIX A (Con't.)

Foley procedure QCP-9 further requires in Paragraph 4.1.8 (im-plementing PG&E Drawing 050030, note 3) that where raceways, other than those identified as class 1, "cross a class 1 raceway, a

class 1 support shall be constructed on each side of the inter-section."

Contrary to the above requirements, the following conditions were identified on Hay 1, 1979 in the K-100 area of'nit 1:

1.

Non-vital conduits KHT-52 and 53 were both attached to support K-115-6-47 (a vital bus F support) and an unnumbered vital bus H support of detail number 397 without having an intermediate class 1 support provided.

2.

Non-vital conduits K-9424, K-9430 and K-9652 were instal'led above and crossing vital conduit without having a class 1

support provided on each side of the intersection.

This is an infraction applicable to Unit l.