ML20137J260
| ML20137J260 | |
| Person / Time | |
|---|---|
| Site: | Comanche Peak  |
| Issue date: | 09/12/1984 |
| From: | TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC) |
| To: | |
| Shared Package | |
| ML17198A292 | List:
|
| References | |
| FOIA-85-59 QI-QP-11.0-8, NUDOCS 8512020574 | |
| Download: ML20137J260 (5) | |
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TEXAS UTILITIES GENERATING CO.
t TUGC0 INSTRUCTION e
h's QI-Q P-11.0-8 Rev. 2
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Page 1 of 5 SEP 121984 CONCRETE PRODUCTION INSPECTION w
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1.0 REFERENCES
1-A Specification 2323-SS-9, " Concrete" 1-B CP-QP-16.0, "Nonconfomances" 1-C CP-QP-18.0, " Inspection Reports' lhh 2.0 GENERAL
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2.1 PURPOSE AND SCOPE This instruction establishes the inspection criteria utilized during the production of concrete to assure compliance with Reference 1-A.
3.0 INSTRUCTION ggg 3.1 INSPECTION REQUIREMENTS j 3.1.1 Daily Batch Plant Operations Acceptance criteria for daily batch plant operations.
(*) Designates hold point items checked before commencing batching operations.
- a. All mix design canis approved and signed by a QC Inspector.
- b. Detemination of aggregate moistures.
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- c. Determination of FM for fine aggregate. b1 BBA
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TEXAS IITILITIES GENERATING CO.
TUGC0 INSTRUCTION QL-QP-11.0-8 Rev. 2
- CPSES -
Page 2 of 5 SEP 121984
- d. Aggregate moisture detenninations empensated for.
- e. Aggregate gradation testing complete.
- f. Mix design card used corresponds to mix specified by the field.
- g. Mix design card has same proportions as original mix design.
- h. Conrete bulk materials stored in accordance with Reference 1-A.
- i. Batch plant scales in calibration.
- j. Infonnation on batch tickets is correct.
- k. Batch ticket print-outs within specified tolerances for cement, aggregates, water and admixtures.
- 1. Random check of batch ' tickets for verification of water-cement ratio.
t 3.1.2 Concrete Mixing and Conveying Acceptance criteria for daily mixing and conveying:
a.
Truck mixers clean and free of concrete build up.
b.
Trucks empty prior to start of loading.
c.
Check of central mixer operation time after addition of materials.
d.
Truck mixers loaded at backup plant required to cmplete 70 revolutions at mixing speed before start of delivery.
e.
Truck revolution counters must function properly.
f.
Batch tickets properly filled out for receipt and add-water after delivery.
3.2 NONCONFORMANCES Nonconfonning conditions shall be reported in acconiance with Reference 1-B.
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TEXAS UTILITIES GENERATING CO.
TUGC0 INSTRUCTION QI-QP-11.0-8 Rev. 2 IV CPSES -
Page 3 of 5 SEP 121954 3.3 DOCUMENTATION The QC Inspector shall verify on the Inspection Report (Figure 1) that requirements of this instruction have been met and upon conpletion submit in accortlance with Reference 1-C.
3.4 CONCRETE DESIGN MIX PROP 0RTION REPORT l
The responsible Civil Quality Control Level II Insoector shall verify concrete design mix proportions for each mix number on the Concrete Design Mix Proportion Report (Figure 2) when prepared by Site Engineering.
The revision will then be approved by the Project Civil Engineer and issued through the Site Docisnent Control Center.
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QI QP-11.0 8 R. 2 Page 4 of 5 SEP 121984 Figure 1
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QI-QP-11.0-8 R. 2 Page 5 Of 5 SEP 121984 Figure 2 9
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