ML19340E370
| ML19340E370 | |
| Person / Time | |
|---|---|
| Site: | Fort Saint Vrain  |
| Issue date: | 11/25/1980 |
| From: | Swart F PUBLIC SERVICE CO. OF COLORADO |
| To: | Seyfrit K NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| References | |
| IEB-80-11, P-80413, NUDOCS 8101140191 | |
| Download: ML19340E370 (1) | |
Text
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CENTRAL FILES POR:HQ Public service company ce cded 12015 East 46th Avenue, Suite d',0; Denver, C0 8023' STATE November 25, 1980 Fort Sc. Vrain Unit No.1 1:
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E Mr. Karl V. Seyfrit, Director Nuclear Regulatory Commission il E
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W Region IV 771 ~
9 Office of Inspection and Enforcement y
l0 611 Ryan Plaza Drive Suite 1000 Arlington, Texas 76012 Docket No. 50-267
Subject:
I&E Bulletin 80-11, Masonry Block Walls
References:
P-80198 P-80381
Dear Mr. Seyfrit:
The following is a supplement to Public Service Company of Colorado's 60 day and 180 day responses to IE Bulletin 80-11.
The 60 day response (P-80198) to I&E Bulletin 80-11 indicates a total of 57 Masonry Block wills that have the potential of affecting Class I equipment during a seismic event.
The 180 day response (P-80318) to I&E Bulletin 80-11 states that 65 Masonry Block walls were analyzed and reevaluated as to their ability to withstand a seismic event.
The difference in the totals (57 vs. 65) is due to the fact that 8 additional Masonry Block walls were identified on a follow up inspection that had the potential of affecting Class I equipment during a seismic event.
The follow up inspection was made at the request of Mr. Dickerson, the Senior NRC Resident Inspector at FSV, and was made after PSC's 60 day response to I&E 80-11.
However, none of the eight walls identified in the follow up inspection required reinforcing.
Very truly yours, f
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