ML17296A947
| ML17296A947 | |
| Person / Time | |
|---|---|
| Site: | Palo Verde  |
| Issue date: | 07/08/1980 |
| From: | Van Brunt E ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR |
| To: | Engelken R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| References | |
| ANPP-15860, IEB-80-08, IEB-80-8, NUDOCS 8009030674 | |
| Download: ML17296A947 (4) | |
Text
"4~
& <QCSEQVK*K53'P P. 0 BOX 21666
'HOENIX, ARIZONA 85036 Docket Nos. 50-528, 50-529, 50-530 Mr. R.
H. Engelken,'irector Nuclear Regulatory Commission Region V
'990 N. California Boulevard Suite 202 Walnut Creek Plaza Walnut Creek, California 94596
Subject:
NRC I8E Bulletin No. 80-08 dated April 7, 1980 File:
80-005-'026
Dear Mr. Engelken:
July 8, 1980 ANPP-15860 JNA/JPS~t 71 Y~4-pg
~~CO,P'-'-
- ('he design and construction of PVNGS has been reviewed in regards to NRC I8E Bulletin No. 80-08, Examination of Containment Liner Penetration Welds Our response to the action items are as follows
1.
The PVNGS design incorporates butt welded sleeve connections for continuity of the containment boundary as described in the ASME Boiler and Pressure Vessel Code.
2 (a)
Construction is in accordance with ASME Section III, Division 1, 1974 Edition through the Winter 1975 Addenda.
(b)
The subject welds are classified by project documents as
. ASME Section III, Class 2, and are required to be radio-graphed and documented in accordance with Section III.
(c)
The subject welds are butted joints with pipe size and material in accordance with the enclosure.
Backing bars were utilized on only two of the 63 welds discussed under (d) below.
i I
Mr.
R.
H. Engelken, Director July 8, 1980 ANPP-15860 JMA/JPS Page 2
(d)
A total of 63 joints have been welded, 19 of which required repair in accordance with ASME Section III.
A total of 36 weld areas were repaired due to unaccept-able indications which have been categorized as follows:
T e of Defect Number of Repairs Where Defect Occurred Incomplete Fusion Porosity Linear Indication Incomplete Penetration Root Concavity Slag Inclusion Tungsten Inclusion 3.
Not applicable.
16ll 8
6 3
1 1
If you have any questions, please contact us.
h Very truly yours, E.C.~c<~ c4L g+~g E.
E.
Van Brunt, Jr.
APS Vice President, Nuclear Projects ANPP Project Director EEVBJr/JPS/av cc:
J.
M. Allen A.
C.
Rogers J.
A. Roedel F.
W. Hartley D. B. Fasnacht W.
H. Wilson C.
Ferguson U.S. Nuclear Regulatory Commission Director of Reactor Construction Inspection, OIE Washington, D.C.
20555 J.
Kerrigan
T t
j I
t I
i~