ML19309A155
| ML19309A155 | |
| Person / Time | |
|---|---|
| Site: | Rancho Seco |
| Issue date: | 11/17/1972 |
| From: | Maccary R US ATOMIC ENERGY COMMISSION (AEC) |
| To: | Deyoung R US ATOMIC ENERGY COMMISSION (AEC) |
| Shared Package | |
| ML19309A138 | List: |
| References | |
| NUDOCS 8003260868 | |
| Download: ML19309A155 (1) | |
Text
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UNITED STATES O' g+ g; ' q'g,* N [,,[
ATOMIC ENERGY COMM!cC ON waswinaron. o.c. zos.s
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liGV 171372 Richard C. DeYoung, Assistant Director for Pressurized Water Reactors Directorate of Licensing SACRAMENTO MUNICIPAL UTILITY DISTRICT, RANCHO SECO UNIT NO. 1 DOCKET No. 50-312 Plant Name: Rancho Seco Unit 1 Licensing Stage: vL Docket Number: 50-312 Responsible Branch and Project Manager: PWR-4; B. C. Buckley Requested Completion Date: None Technical Review Branches Involved: Haterials Engineering Branch Description of Task: Review Construction Incident Report Review Status: Complete The Materials Engineering Branch has reviewed the report on " Weld Defects Found in Steam Generator Lateral Support, Rancho Seco Nuclear Generating We conclude that the weld cracking Station Unit No.1," dated July 1972.
experienced during fabrication was similar to that often previously reported O
and described in the technical literature, and is not unusual in fabrications o'f this general design made of materials such as the ASTMA514 used.
We also conclude that the repair procedures and inspections performed were adequate to aseure that the final fabrication is acceptable,because,they are similar to those that have commonly been used to produce acceptable fabrications of this type using this material.
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R. R. Maccary, Assistant Director i
for Engineering Directorate of Licensing O)
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