ML20137J079
| ML20137J079 | |
| Person / Time | |
|---|---|
| Site: | Comanche Peak  |
| Issue date: | 08/16/1983 |
| From: | TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC) |
| To: | |
| Shared Package | |
| ML17198A292 | List:
|
| References | |
| FOIA-85-59 QI-QP-11.0-15, NUDOCS 8512020543 | |
| Download: ML20137J079 (4) | |
Text
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4 INSTAUCTION ISSUE USO CATE p
TEXAS UTILITIES GENERATING CO.
NUMBER bd CPSES QI-QP-11.0-15; 1
1 of.
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4UG 16 1983 '
!PREPAREDBY: (([
YlD a-VERIFICATION OF r
CATE BASE PLATES FOR g/.
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GROUTING APPROVED BY: /,d' </ C Vd f'2_.
CA a l
APFROVED BY:
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DATE
1.0 REFERENCES
1-A Gibbs and Hill Specification 2323-55-9, "Concretc" 1-B CP-QP-18.0, " Inspection Reports" p94(
1-C CP-QP-16.0, "Nonconfoma f
2.0 PURPOSE AND SCOPE N#*
h't O The purpose of trfi
- ns truction is to provide the criteria to be used when performing verification of seismically, 1
p) iAj' mounted component support base plates located in Seismic,,s Category I Buildings for grouting in accordance with $tt; h,bq#\\)
requirements of Reference 1-A.
3.0 INSTRUCTION 3.1 BASE PLATE GROUTING AND SHIMMING I
Component support base plates mounted to concrete surfaces shall not exceed a 1/16" gap between the base plate and concrete for a minimum of 80*. of the base plate area. The gap between the base plate and concrete for a maximum of 20". may exceed 1/16" but at no point shall the gap exceed 1/2".
The gap shall be measured from the periphery of the l
baseplate (See Attachment 1).
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Shim material may consist of steel shim plates or washers of a size necessary to allow proper Hilti bolt torquing without base plate defomation.
The grout fill holes shall be 1/4" diamater and shall not be drilled within 1 inch of a l
concrete anchor.
Additionally, the grout fill holes shall be located outside the bolt hole pattern.
NOTE:
Floor mounted component supports that are not flush niounted require shimming and grouting.
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INSTRUCTION ISSUE REVISION ',
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i 3.2 DOCUMENTATION Ins pections, including nonconforming condi tions, shall be recorded on an Inspection Report in accordance with j
Reference 1-B.
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' TEXAS UTILITIES GENERATING CO.
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l ATTACHMENT 1 EXAMPLE: BASE PLATE 10" x 10" l
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INSTRUCTION ISSUE 4
REVISION PAGE NUMBER DATE i
1 6 TEXAS UTILITIES GENERATING CO.
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