ML20236P054
| ML20236P054 | |
| Person / Time | |
|---|---|
| Site: | Big Rock Point File:Consumers Energy icon.png |
| Issue date: | 11/13/1987 |
| From: | Frisch R CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.) |
| To: | NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM) |
| Shared Package | |
| ML20236P056 | List: |
| References | |
| GL-84-11, NUDOCS 8711170128 | |
| Download: ML20236P054 (1) | |
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t 4f POWERING MKHIGAN'S PROGRESS General offices: 1945 West Parnall Fload, Jackson, MI 49201 * (517) 788-0550 November 13, 1987 i
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4 Nuclear Regulatory Commission Document Control Desk
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Washington, DC 20555 DOCKET 50-155 - LICENSE DPR BIG ROCK POINT PLANT -
GENERIC LETTER 84-11 INTERGRANULAR STRESS CORROSION CRACKING (IGSCC)
INSPECTION PROGRAM REVISION By letter dated September 30, 1987, Consumers Power Company submitted our Intergranular Stress Corrosion Cracking (IGSCC) Inspection Program for Big Rock Point. Additional review has determined that an additional seven welds not previously listed are partially susceptible to IGSCC. All of these welds are branch connection welds where the branch connection is welded to larger
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cast stainless steel pipe. Cast stainless steel pipe is not considered susceptible to IGSCC. Therefore, all of these additional welds will be examined from the branch connection side only.
Attachment I contains the necessary revisions to incorporate the addition welds. Areas that have been changed are indicated by a vertical line in the right hand margin. This attachment supersedes the previous listing submitted with our September 30,19% letter.
N Ral h R Frisch t
Senior Licensing Analyst CC Administrator, Region III, NRC NRC Resident Inspector - Big Rock Point Plant Attachment 8711170128 871113 PDR ADDCK 05000155 G
PDR gO OC1187-0203-NL01 El