ML20202J777

Change Notice 001 to Rev 2 to Quality Instruction QI-044, Documentation Review of Concrete Placement

ML20202J777
Person / Time
Site:	Comanche Peak
Issue date:	06/06/1986
From:	Patterson A EVALUATION RESEARCH CORP.
To:
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References
QI-044-01, QI-44-1, NUDOCS 8607170145
Download: ML20202J777 (4)

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EVALUATION RESEARCH CORPORATION

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COMANCHE PEAK RESPONSE TEAM QUALITY INSTRUCTION FOR ISSUE-SPECIFIC ACTION PLAN VII.c C0ATR0iiED COPY CONTROL N0_DF-cot CHANCE NOTICE 001 - PROCEDURE NO.: QI-044 REVISION: 2 ISSUE DATE: 06/06/86 DocumCNTWriord REulEd (]

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                                  -{r!"C"CCT!^" 0F CONCRETE PLACEMENT The QI identified above is hereby changed as shown on the attached page of this notice.

Prepared by t.

                                        -  NN                      Date: S~!3c/R6 G        '
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Approved by: M/[dM// _ Date: ////N Issue Co 16ator M Approved by: Date: [ $4 On-61te QAypresentative k NA (' Approved by: d Dates (p /, Nla QA/QC Review Team ader / 060717014S 0607*1 1 $(, pDR ADOCK 00000* 5 h i

>. CHANGE NOTICE 001 QI-044 Rev. 2

1. Replace Paragraph 5.6.A with the following:

O " Air content is recorded and meets the acceptance criteria shown on the Brown & Root Concrete Design Mix Tabulation located in the TUCCO vault area IF2".

2. Replace Paragraph 5.6.B with the following:

            " Slump is recorded and meets the acceptance criteria shown on the Brown & Root Concrete Design Mix Tabulation located in the TUGC0 vault area IF2".

3. Replace Paragraph 5.6.C with the following:

            " Concrete temperature is recorded and meets the acceptance criteria shown below:

1) Cold Weather Placement

• When the ambient temperature is below 40'F during placement or within 24 hours thereafter. The concrete temperature at the time of placement is to be not less than 50'F for massive pours (sections greater than 2'-6) and not less than 55'F for all other pours.

2) Hot Weather Placement *

(n) When the ambient temperature does not meet the requirement of cold weather placement. The concrete temperature is to be 70'F or less for maosive pours and 90*F or less for all other pours.

• NOTE: Tcmperature may be obtained from the daily temperature graphs located in the TUGC0 vault area IE8.

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o 4 Pcg2 1 of 2 m EVALU ti i KM U CONTROL NO. OF-<n i COMANCHE PEAK RESPONSE TEAM QUALITY INSTRUCTION FOR ISSUE-SPECIFIC ACTION PLAN VII.c CHANGE NOTICE 001 PROCEDURE NO.: QI-044 REVISION: 2 l ISSUE DATE: 06/06/86 REINSPECTION OF CONCRETE PLACEMENT The QI identified above is hereby changed as shown on the attached page of this notice. Prepared by: NN Date: I!3o/B(o Q v i / / Approved by: M/8dMANd@v Dates //.MH . IseueCopMator Approved by: d Date [- A f/ On41te QAypresentative Approved b): Dates (s!L N (, QA/QC Review Team Leader

                                                                     //

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e y , CHANGE NOTICE 001 a' QI-044 Rev. 2

1. Replace Paragraph 5.6.A with the following:

V " Air content is recorded and meets the acceptance criteria shown on the Brown & Root Concrete Design Mix Tabulation located in the TUGC0 vault area IF2".

2. Replace Paragraph 5.6.B with the following:

              " Slump is recorded and meets the acceptance criteria shown on the Brown & Root Concrete Design Mix Tabulation located in the TUGC0 vault area IF2".

3. Replace Paragraph 5.6.C with the following:

              " Concrete temperature is recorded and meets the acceptance criteria shown below

1) Cold Weather Placement

• When the ambient temperature is below 40*F during placement or within 24 hours thereafter. The concrete temperature at the time of placement is to be not less than 50'F for massive pours -

(sections greatet than 2'-6) and not less than 55*F for all other pours.

2) Hot Weather Placement

• When the ambient temperature does not meet the requirement of cold weather placement. The concrete temperature is to be 70*F or less for massive pours and 90'F or less for all other pours.
• NOTE: Temperature may be obtained from the daily temperature graphs located in the TUGC0 vault area 1E8.

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