ML19257C800
| ML19257C800 | |
| Person / Time | |
|---|---|
| Site: | Beaver Valley |
| Issue date: | 12/19/1979 |
| From: | Potapovs U NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| To: | Reinmuth G NRC OFFICE OF INSPECTION & ENFORCEMENT (IE) |
| Shared Package | |
| ML19257C801 | List: |
| References | |
| REF-PT21-79-188-000 NUDOCS 8001300466 | |
| Download: ML19257C800 (1) | |
Text
-
h"8 Cog UNITED STATES f
g NUCLEAR REGULATORY COMMISSION REGION IV y
o g 3 A, y
611 RYAN Pt.AZA DHtVt,5tJITE 1000 ARUNGTON, TEXAS 76012 m
.x j
T* /
19 DEC 1979 D
0h$]f,Q MEMORANDUM FOR:
C. W. Reim uth, AD, DRCI, IE, HQS FtOM:
Eldis Potapovs, Chief, VIB, RIV
SUBJECT:
?Quu2.AL PART 21 REPORT
-02 Dece=ber 3, 1979, E. V. Warren, Quality Assurance Engineer, for
' Newport News Industries 0;NI) phoned to report that Duquesne Light Company, had socified then that welding defects had been identified in the neutron shield for Scaver Valley Unit 2.
The Field Service Engineers for NNI had been sent to the site to evaluate the veld defects and had reported that all of the indications appeared to be in the areas of the gusset plates which reinforce the neutron shield wall to the base plate. There are approximately eighty (80) equally spaced arcund the erineter of the shield wall.
NSI has not deter:ined the cause of the defects but reports that the neutron shield was not purchased as a Section III Code iten, and the only NDI specified by the cust:=er was LP the various veld layers as the velding progressed.
They also report that they do not have the expertise to evaluate the safe:y significance and reportability of the defects in cornliance with 10 CFR 21, but will request the custorer to perfou this evaluation for them.
A copy of N';I w-itten repcrt of this matter is attached.
A routine inspectica of NNI vill be scheduled in March or April,1980, which will include a followup inspection concerning this matter.
k Uldis Potapovs, Chd ef Vendor Inspection I ranch
Attachment:
As stated cc: w/ attach ent E. Carlsen, RI Docket File 99900292 1833 281 '
8001300 4
..