ML20050K202
| ML20050K202 | |
| Person / Time | |
|---|---|
| Site: | Diablo Canyon  |
| Issue date: | 03/29/1982 |
| From: | Burdoin J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| To: | |
| Shared Package | |
| ML20050K109 | List: |
| References | |
| 50-275-82-07, 50-275-82-7, NUDOCS 8204140212 | |
| Download: ML20050K202 (2) | |
Text
_
APPE!! DIX A fl0TICE OF VIOLATIO'l Pacific Gas and' Electric Connany Docket flo. 50-275 (C0fi)
- p. O. Box 7442 Construction Permit flo. CPPR-39 San Francisco, California 94120 Based on the results of inspections conducted during the period of February 8-12 and February 22-26, 1982, and in accordance with the Interim Enforcement Policy, 45 FR 66754 (October 7,1980) the following violation was identified.
10 CFR 50, Appendix B, Criterien V, as implemented by Section 17.1.5 of the FSAR and the FG&E Quality Assurance Manual Section V states in part that,
" Activities affecting quality shall be prescribed by documented instructions, procedures, or drawings...and shall be' accomplished in accordance with these instructions procedures, or drawings...."
Pullman Power Products Engineering Specification Diablo (ESD) flumber 223 states in paragraph 6.4.3.3 that "That Field Q.C. Inspector shall verify that all locknuts are in place and tight and that there is full thread engagement at all connections, at least flush."
In paragraph 6.8.2.4(b) that, "The final surface of all welds shall be substantially free of sharp surface irregularities, excess surface slag, slag inclusions and shall have a good workmanship appearance."
In paragraph 6.8.2.4(c) that, " Undercut, extending the length of the weld, shall not exceed 1/32" in depth. Local undercut shall not exceed 1/16" when the length of a local undercut area does not exceed 1/2" in any 6" length of weld."
In paragraph 6.8.2.4(d) that, " Arc strikes on support members shall be mininized, flo arc strikes on pipe shall be pemitted."
In paragraph 6.8.2.5(a) that, "The fillet weld size shall be as specified on the drawing."
Pacific Gas and Electric Structural Steel Specification Diablo Canyon flumber 8833XR states that the naxinum allowable depth for gouges and 1
other similiar discontinuities shall be 0.062 inches.
Contrary to the above, on February 9 and February 24, 1982, the following were identified:
4 I
8204140212 820329 PDR ADOCK 05000275 Q
PDR l
i
l (1) pipe Support !!unber 57-117,R,:
Undercut was found in one area of the T-shoe strap welds that was approxinately 5/8" long and 1/16" deep, and adjacent to the undercut was a slag pocket that made it impossible to Also, deternine visually if the undercut was deeper or longer.
one arc strike was found on the Class I pipe for this support.
pipe Supnort flunber 41-60R: A gouge was found on the supporting (2) structural steel for this suonort which neasured 0.5 inches in lenoth and 0.080 inches in depth.
pipe S_uffort flunber 2155-42: This support was found to have one (3)
Uefd that was not as detailed on the as-built drawing. The weld detail as specified was later determined to be a drafting error, and the weld on the support is as the Designer / Engineer intended. Also, on one end of the pipe support a nunber of weld discrepancies were found " circled" indicating that work on the support was inconplete. !!owever, this support was presented to the inspectors as exanined by Quality Control and considered acceptable.
(4) pipe _Supnort flunber 2180-18:
l This support was found to have two bolts on the T-shoe strap for the supoort that did not have full thread engagement.
i All of the above pipe supports had been examined and accepted by Quality Control prior to this inscoction.
This is a Severity Level V violation (Supplement II).
pursuant to the provisions of 10 CFR 2.201, pacific Gas and Electric Company is hereby required to submit to this office within thirty days of the date of this flotice, a written statement or explanation in reply, including:
(1) the corrective steps which have been taken and the results achieved; (2) corrective steps which will be taken to avoid further itens of noncompliance; Consideration nay be and (3) the date when full conpliance will be achieved.
given to extending your response time for gocd cause shown.
t I
dated J. F. Burdoin,~ Reactor Inspector l
Reactor Construction projects Section 1 l
l l
-