GO2-81-556, Forwards Suppl 2 to Engineering Evaluation of WNP-2 Sacrificial Shield Wall
| ML17276A823 | |
| Person / Time | |
|---|---|
| Site: | Columbia  |
| Issue date: | 12/29/1981 |
| From: | Matlock R WASHINGTON PUBLIC POWER SUPPLY SYSTEM |
| To: | Engelken R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| Shared Package | |
| ML17276A826 | List: |
| References | |
| GO2-81-556, NUDOCS 8201130010 | |
| Download: ML17276A823 (3) | |
Text
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INTERe:AL DISTRIBUTION
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.elTMEIdT NC THIS I.ETTER IDOES) IDOES NOT) ESTABLISH A NEW COMMITMENT.
I'IPP% CORrRESPONDENCE NO.
December 29, 1981 G02-81-'556 L,II, e
Mr.
R.
H. Engelken, Director Office of Inspection and Enforcement Nuclear Regulatory Comnission Region Y
1450 Miaria Lane Suite 210 Walnut Creek, California 94596
Subject:
NUCLEAR PROJECT 2
1 ENGINEERING EYALUATION OF THE WNP-2 SACRIFICIAL SHIELD WALL
'UPPLEMENT NO.
2
References:
(a)
G02-80-168, August 1, 1980, DL Renberger (Supply System)
'to RH'Engelken (NRC), "Sacrificial Shield Wall (SSW)
Corrective Action Plan" (b)
G02.-80-183, August 20,
- 1980, DL Renberger (Supply System) to RH Engelken (NRC), "Sacrificial Shield Wall (SSW)
Corrective Action Plan Supplement Number 1" (c) 602-81-254, August 27,
- 1981, RG Matlock (Supply System) to RH Engelken (NRC), "Evaluation of Sacrificial Shield Wall External Weld Defects" (d)
GI2-81-45, March 25,
- 1981, RL Tedesco (NRC) to RL Ferguson (Supply System),
"Evaluation of the Hardship Request Exemptions for Weld Defects in the WNP-2 Sacrificial Shield Wall"
~ Refer'ence (a) transmitted to you and the Office of Inspection and Enforcement (IEE),
a report entitled "Engineering Evaluation of the WNP-2 Sacrificial Shield Wall.".
Reference (b) transmitted Supplement No.
1 to the subject re-port which addressed It'E concerns/questions on the overall evaluation of the sacrificial shield wall.
AUTHDR:
PW Harnesses
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RG Matlock SECTION I
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H. Engelken Page Two December 29,'1981 t:.02-81-556 Attached ~lease
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devia-ions from the original girth weld plan, discusses deficiencies identi-fied during preparation of the girth weld joint, and revised t b!o.~ T.,T..I,"
and II!.3.5 discussed in R~ erence (c).
None of the recently identified deficiencies fall outside the bounding assu."..p-tions made in the original SSW evaluation, nor do they invalidate the 'conclu-s.'ons, with respect to the integrity of the
- SSW, made in that or~ainal evalua dion, which was submitted to the NRC by Reaerence (a).
i~
a=inal supplement closing out pr vious open items such as ASTY> A~88 and, A36 material
.esting and three-dimensional finite element analysis will be submitted upon completion of sacrificial shield wall repair activIt es
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The final supplement. is scheduled for submittal prior to July, 1, 1982.
Any addi-tional defects or nonconforming conditions identified during or after the repair will be dispositioned utilizing normal project procedures, and will be available for review by the NRC Resident Inspector as necessary.
.gi;7/>MA Pr gram Direeaor, MNp-2 PWH kjf Attachment cc:
JJ Verderber: - B&R NY RE Snaith - B&R NY AI Cygelman - B&R 954M JE. Richardson
- B&R Site TA liangelsdorf - Bechtel 982 WS Chin - BPA ND Lewis - EFSFC, Olympia V. Stello -
NRC RA Feil -
NRC Resident Inspector JC Plunkett, Jr. -
NUS Corporation RA Schwencer NRC WNP-2 Files
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