ML20137G481
| ML20137G481 | |
| Person / Time | |
|---|---|
| Site: | Comanche Peak  |
| Issue date: | 07/12/1978 |
| From: | James Smith TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC) |
| To: | |
| Shared Package | |
| ML17198A292 | List:
|
| References | |
| FOIA-85-59 QI-QP-11.0-5, NUDOCS 8512020201 | |
| Download: ML20137G481 (6) | |
Text
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.'EXAS tKILITIES GENERATING CO.
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REVISION PAGE N
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QI-QP-ll.0-5 0
7-12-78 1 of 5 V
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INSPECTION OF PREPARED BY:
hu CONCRETE l
DATE REPAIR J
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v DATE
1.0 REFERENCES
l-A Specification 2323-SS-9, " Concrete" l-B Construction Procedure 35-1195-CCP-12. " Concrete Patching, Finishing and Preparatjon of Construction Joints" (
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,, c 2.0 CENERAL 2.1 PURPOSE AND SCOPE To describe the method for QC inspection of repairs to O
concrete surface defects and.defb'clive concrete.
y 2.2 DEFINITIONS jy.,
2.2.1 Concrete Surface /Defeits Surface defect
' i%e defined as minor air pockets, tie
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holes, honeycombi streaking and, where subsequent coatings are to be appl form fins and protrusions.
2.2.2 Defective Concrete Surface defects shall be considered defective when, during removal to sound concrete, reinforcing steel is exposed.
3.0 INSTRUCTION 3.1 Visual Check of Concrete Surfaces Innediately upon form removal, the QC Inspector shall a.
visually inspect the concrete surface for defects as defined in Paragraph 2.2.
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REVISION PAGE i
QI-QP-11.0-5 0
7-12-78 2 of 5 b.
If surface defects are noted, the QC Inspector shall j
verbally notify B&R Construction to repair the defect
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in accordance with existing procedures.
If defective concrete is noted upon form removal, or c.
is exposed after chipping to sound concrete for surface repairs, it shall be documented by the QC Inspector on j;
the Defective Concrete Report (Figure 1).
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3.2 INVESTIGATION OF DEFECTIVE CONCRETE
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a.
The QC Inspector shall submit the Defective Concrete Report (Figure 1) to the Civil Inspection Supervisor
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for review and investigation of the defect.
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b.
If the defect is of a unique nature, it will be so noted by the Civil Inspection Supervisor / Designee in i
f the disposition portion of Figure 1.
The cognizant j
QC Inspector will then issue a nonconformance report.
c.
If the defect is routine in nature, the Civil Inspection i '
Supervisor / Designee will denote in the disposition por-tion of Figure 1, the applicable sections of Reference 1-B to be used for the repair work..
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a 3.3 REPAIR PROCEDURE 1
For repairs indicated to be unique in nature on the Defective.
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Concrete Report (Figure 1), B&R Construction will establish a repair procedure (disposition) in response to the noncon-i formance report and submit to the TUSI Resident Manager for i
review and approval.
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3.4 REPAIR INSPECTION The Civil Inspection Supervisor / Designee shall review the i
approved repair procedure and direct the cognizant QC In-spector to prepare an inspection checklist to ensure that repairs are made in accordance with it.
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TEXAS UTILITIES GENERATING CO.
REVISION PAGE I"8 E
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CPSES i i QI-QP-l l. 0-5 0
7-12-78 3 of 5 t
2 3.4.1 Inspection Checklist i
I The Inspection Checklist to be prepared on the Inspection
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Report (Figure 2) shall contain the following items to be verified by the QC Inspector:
j Reference to approved repair procedure.
a.
b.
Date of repair, location and name of inspector.
I Preparation of af fected area.
c.
d.
Inspection of bonding material, proportioning and mixing.
e.
Placing Technique.
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Curing.
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j 3.4.2 Doc umentation The QC Inspector shall verify the satisfactory performance O,
of the checklist items on the Inspection Report (Figure 2) a.
and submit it to the QC Documentation Supervisor.
b.
The QC Inspector shall verify satisfactory completion of the repairs by signing the " verification" portion of the nonconformance report.
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REVISION PAGE 1
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Ql-QP-11.0-5 0
7-12-78 4 of 5 FIGURE 1 1
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DEFECTIVE CONCRETE REPORT
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