ML19289C869
| ML19289C869 | |
| Person / Time | |
|---|---|
| Site: | Haddam Neck File:Connecticut Yankee Atomic Power Co icon.png |
| Issue date: | 01/08/1979 |
| From: | Fontecilla H Office of Nuclear Reactor Regulation |
| To: | Desiree Davis, Eisenhunt D Office of Nuclear Reactor Regulation |
| References | |
| TASK-06-08, TASK-6-8, TASK-RR NUDOCS 7901250341 | |
| Download: ML19289C869 (1) | |
Text
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o UNITED STATES y '
NUCLEAR REGULATORY COMMisslON j
WASHINGTON, D. C. 2055S
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January 8, 1979 Docket No. 50-213 MEMORANDUM FOR: Darrell G. Eisenhut, Acting Assistant Director for Systems & Projects, D0R THRU:
Don K. Davis, Chief, Systematic Evaluation Program Branch, 00R FROM:
Herbert M. Fontecilla, Systematic Evaluation Program Branch, D0R
SUBJECT:
CORRECTION TO MINUTES OF VISIT.TO HADDAM NECK PLANT ON SEPTEMBER 1978 B. Ilberman of NUSCO has called Tom Wambach, Project Manager, to indicate the following errors in the information obtained while at the site in the area of control room habitability. This visit was documented in memo from H. M. Fontecilla to D. G. Eisenhut, dated November 21, 1978.
1.
The control room walls are not a minimum of 18 inches of concrete as indicated. The roof is 22", the exterior walls are 20", and the interior walls, 16".
2.
The leakage across the damper is not 500 c/m as indicated.
Instead, the infiltration rate is 276 c/m at a pressure differential of 1/8" water gauge excluding the leakage across the damper.
3.
There are not three airpacks of 120 ft.3 each, but three airpacks of 40 ft, each.
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Herbert M. Fontecilla Systematic Evaluation Program Branch, D0R 79012503{
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