ML19225B139
| ML19225B139 | |
| Person / Time | |
|---|---|
| Site: | Beaver Valley |
| Issue date: | 04/17/1979 |
| From: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| To: | |
| Shared Package | |
| ML19225A931 | List: |
| References | |
| 50-412-79-03, 50-412-79-3, NUDOCS 7907230707 | |
| Download: ML19225B139 (1) | |
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APPENDIX A NOTICE OF VIOLATION Duquesne Light Company Docket No. 50-412 This refers to the inspection conducted by representatives of the Region I (Philadelphia) office at tne Beaver Valley Power Station, Unit 2, Shippingport, Pennsylvania, of activities authorized by NRC License No.
CPPR-105.
During this inspection, conducted on March 6-9, 1979, the following apparent item of noncompliance was identified.
10 CFR 50, Appendix B, Criterion IX, states, in part:
" Measures shall be established to assure that... welding (is) controlled and accomplished... in accordance with applicable codes..."
The Beaver Valley Power Station PSAR, Chapter 17, Quality Assurance, paragraph 17.1.9B, states, in part:
" Requirements of special processes are established in Erection and Procurement Specifications."
The Specification for Field Fabrication and Erection of Piping ASME Section 3, 2 BVS-920, Addendum No. 1. states, in part:
...the installer for all ASME Section III piping, is responsible for code compliance... in accordance with ASME Section III-1971. "
The ASME Code,Section III,1971 edition, for : lass 3 piping systems, paragraph ND-4110, directs that:
... components shall be... installed in accordance with the rules of NC-4000." NC-4110 also directs that:
"... components shall be... installed in accordanca with the rules of NB-4000..."
Paragraph NB-4425 States, in part:
"When components of different diameters are welded together...the slope of the transition shalt be such that the length to offset ratio snell not be less than 3 to 1 Cantrary to the above, on February 1,1979, the welding inspector acceoted a nuclear class 3 pipe-to-valve weld joint, as evidenced by the ASME Weld Data Sheet 2 CHS-010-F02, with a diameter transition slope of approximately 3 to 2.
This is an infraction.
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