PNO-III-80-226, four Voids Discovered in Final Pour for Unit 1.Const Delays Not Expected.State of Mo Notified
| ML19341C074 | |
| Person / Time | |
|---|---|
| Site: | Callaway  |
| Issue date: | 12/08/1980 |
| From: | Fiorelli G, Knop R, Wescott H NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| To: | |
| References | |
| PNO-III-80-226, NUDOCS 8102280587 | |
| Download: ML19341C074 (1) | |
PRELIMINARY NOTIFICATION Date: December 8, 1980 PRELIMINARY NOTITICATICN OF EVENT OR UNUSUAL OCCUREtiCE--PNO-III-80 226 This oreliminary notification constitutes EARLY notice of events o 3
safety or puolic interest significance.
The in fomation cresentyl u"Es_ %;f init1I 11v received witnout verification or evaluation and is batab611y F
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that is known by 1E staf r as of tnis date.
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J Facility: Union Electric Company b
@% h Callaway Units 1 and 2 (Docket No. 50-483; 50-486)
Subject:
VOIDS IN CONTA7NMENT DOME - UNIT 1 3
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Union Electric noti #ied RIII (Chicago), that four voids were found in the final pour of the dome for Unit 1.
The voids were found af ter removing unsound concrete.
The '.argest void after evacuation was seventeen feet long by twenty inches wide by six to twelve inches in deoth. The three other voids after evacuation were 2 fe et by 2 feet, 4 feet by 1 foot and 6 feet by 1 1/2 feet with a depth of 7 to 14 inches. None of the voids were open to the surface initially.
The pour was made in culy 1980.
It is not expected that construction delays will occur as a result o f tr.i s matter.
Region III will be sending inspectors to the site to follow the licensee's investigation pro g ram.
Neither RIII nor the licensee intend to issue a press release at this time.
The State of Missouri is being notified.
Region III received notification of this incident by telephone at 4:30 p.m. (CST),
December 5, 1980.
This information is current as of 9:00 a.m. (CST) on December 8, 1980.
Contact:
H. Wescott, RIII R. C. Knop, RIII G. Fiorelli, RIII 384-2596 384-2578 384-2695 Distribution:
Transmitted H St. //.d 7 Chairman Ahearne Ccmmi'ssioner Hendrie S. J. Chilk, SECY Ccmmissioner Gilinsky Cctrmissioner Bradford C. C. Kamerer, CA ACRS (For Distribution)
Transmitted:
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W. J. Dircks, ECO H. R. Denton, NRR C. Michelson, AE00 R. H. Vollmer, NRR Landow_
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J. J. Fouchard, PA R. J. Mattson, NRR J. J. Cummings, 0IA N. M. Haller, MPA D. F. Ross, NRR
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