ML20211F573

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Notice of Violation from Insp on 780110-13
ML20211F573
Person / Time
Site: South Texas  STP Nuclear Operating Company icon.png
Issue date: 01/27/1978
From:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
To:
Shared Package
ML20150F241 List:
References
FOIA-85-378 50-498-78-01, 50-498-78-1, 50-499-78-01, 50-499-78-1, NUDOCS 8610310199
Download: ML20211F573 (1)


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50-498/78-01

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50.499/78-01

- Appendix A NOTICE OF VIOLATION i' Based on the results of the NRC inspection conducted on January 10-13, 1978, it appears that certain of your activities were not conducted in '

full compliance with the conditions of your NRC Construction Permit Nos.

CPPR-128 and 129 as indicated below

Failure to Follow Procedures During Concrete Placement 10 CFR Part 50, Appendix B, criterion V requires that activities l:

affecting quality be prescribed by documented instructions, pro-cedures, or drawings of a type appropriate to the circumstances and that these activities be accomplished in accordance with these instructions, procedures, or drawings.

1. Brown & Root construction procedure A040KPCCP-4, Revision 3

- entitled, " Concrete Placement," states that when the ambient ~

temperature is from 30 to 45 degrees Fahrenheit, the minimum

^f temperature of the concrete when delivered to the pour location shall be 50 degrees Fahrenheit or higher.

[

Contrary to the above, on January 13, 1978, Concrete Test Load Ticket No. 03680 for concrete delivered and placed in placement

' IH2-WB indicated a concrete temperature of 46 degrees Fahrenheit when ambient temperature was below 45'F.

' This is an infraction.

f 2. Brown & Root quality control procedure STP-QCP-4.4, dated April e 1,1976, and entitled, " Concrete Inspection," defines character-istics to be inspected during each concrete placement. Vibrators are to be inserted in the concrete between 5 and 15 seconds and i -' at a spacing within the limits of Table 5.1.4 of American Concrete s Institute Standard ACI 309-72,

  • Recommended Practice for Consolida-

~

tion of Concrete." This spacing is 2-1/2 feet for the vibrators being used.

Contrary to the above, on January 10 and 13,1978, vibrator spacing on placements FH1-W202and FH2-W8 was observed to be as great as four feet.

This is an infraction.

'f 8610310199 860930

. PDR FOIA GARDE 85-378 PDP l

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