ML20127C084
| ML20127C084 | |
| Person / Time | |
|---|---|
| Site: | Waterford  |
| Issue date: | 09/20/1976 |
| From: | J.A. JONES CONSTRUCTION CO. |
| To: | |
| Shared Package | |
| ML17198A241 | List:
|
| References | |
| FOIA-84-455 W-SITP-7, NUDOCS 8506220140 | |
| Download: ML20127C084 (9) | |
Text
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4 Procedure No. W-SITP-7 l
l J. A. JONES CONSTRUCTION COMPANY ;
i SITE INSPECTION AND TEST PROCEDURE .
FOR INSPECTION OF CONCRETE PLACING, CURING, FINISHING AND REPAIR WATERFORD SES UNIT NO. 3 CONTRACT NO. W3-NY-4 ENGINEERING CONSTRUCTION QUALITY ASSURANCE REV. DATE REVIEWED BY DATE REVIEWED BY DATE sAPER(IVED BY DATE o aene osL- is n ML sAh t& L n/uk l /Y S.76 6/kln 12klyr hW /2/rkc {.
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- J..A. JONES CONSTRUCTION. COMPANY PAGE 10F 5 PROCEDURE NO.
SITE INSPECTION AND TEST PROCEDURE:
W-SITP-7 REV. NO. 3 TITLE: INSPECTION OF CONCRETE PLACING, CURING, FINISHING AND REPAIR DATE:4/20/76 WRTERFORD SES UNIT NO. 3 CONTRACT NO. W3-Ny-4 PROJECT TITLE:
1.0 PURPOSE To specify the surveillance and Inspection activities that will be per-formed by J. A. Jones quality Verification personnel to assure that con-erste placing, curing, finishing and repair activities are correctly performed.
2.0 $$2P[
This procedure covers the placing, curing, finishing and repair of structural concrete for Waterford SES Unit No. 3, Phase i Concrete Construction.
3.0 REFERENCES
3.1 J. A. Jones Construction Work Procedure, W-WP-7, " Concrete Placing, Curing, Finishing and Repair'.
3.2 Ebasco Specification No. LOU-1564.472, latest revision, " Concrete Placement, Curing and Finishing," as applicable.
l 3.3 ANSI N45.2.5-1974, " Supplementary Quality Assurance Requirements for Installation, inspection and Testing of Structural Concrete
> and Structural Steel During the Construction Phase of Nuclear Power Plants".
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- 4.0 RESPONS181LITIES i
4.1 The Owner is responsible for furnishing material and services as defined in the Contract. The Engineer is responsible for material receiving inspection, procedure review, testing and documentation i of such tests as required.
4.2 J. A. Jones is responsible for forming, placing, curing, finishing and repair of structural concrete in accordance with approved
- drawings, specifications and procedures.
- 4. 3 ' J. A. Jones quality Verification personnel are responsible for surveillance and verification of the concrete placement, curing, finishing and repair activities conducted by J. A. Jones construc-tion personnel.
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J. A. JONES CONSTRUCTION COMPANY PAGE 2 0F 5 PROCEDURE NO.
SITE INSPECTION AND TEST PROCEDURE:
- W-SITP-7 REV. NO. 3 TITLE: INSPECTION OF CONCRETE PLACING, CURING, FINISHING AND REPAIR DATE: 9/20/76 PROJECT TITLE: WATERFORD SES UNIT NO. 3 CONTRACT NO. W3-NY-4 5.0 INSPECTION 5.1 The assigned Quality Verification inspector (s) shall, as a minimum, perform the following inspection / verification / surveillance activities:
5.1.1 Verify that all actions listed on J. A. Jones Concrete Pre-Placement Checklist Record are satisfactorily completed and that each blank on this form is properly signed and dated or marked "N/A" If not appilcable. The Inspector (s) shall in-dicate acceptance of these actions by signing and dating the
' appropriate areas of this form.
I R-1 5.1.2 " Deleted" 4 5.1 3 Perform surveillance of concrete transportation to assure that means of conveyance are mortar-tight and will deliver
- the concrete without segregation or loss of slump.
5.1.4 Verify that concrete is placed within 60 minutes or 300 re-volutions, whichever occurs first, after water is added.
5 1.5 Perform surveillance to assure that concrete which has be- .
- come excessively stiffened so that It cannot be placed in satisfactory condition without the addition of water is not deposited in the work.
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- 5.1.6 Perform surveillance to assure that all concrete is discharged
- vertically until the concrete comes to rest in the structures.
5 1.7 Perform surveillance of concrete deposition to assure that i concrete is deposited as near as practicable to its final
, position.
i 5.1.8 Perform surveillance to assure that the free height of drop of concrete does not exceed five (5) feet.
5.1.9 Perform surveillance to assure that concrete chutes, when used, have slopes between I to 3 and 1 to 2 inclusive.
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J. A. JONES CONSTRUCTION COMPANY PAGE 3 0F 5 SITE INSPECTION AND TEST PROCEDURE: PROCEDURE NO.
W-CITP-7 REV. NO. 3 TITLE: INSPECTION OF CONCRETE PLACING, CURING, FINISHING AND REPAIR DATE: 9/20/76 PROJECT TITLE: WATERFORD SES UNIT NO. 3 CONTRACT NO. W3-NY-4 R-1 5.1.10 Perform surveillance to assure that concrete is placed in accordance with the applicable J. A. Jones Concrete Pour Plan which has been reviewed by Ebasco for each specific pour. -
5.1.11 Perform surveillance to assure that any tendency to segre-gation is corrected by shoveling stones into mortar, not mortar over stones.
5.1.12 Perform surveillance to assure that bedding planes of con-crate are approximately horizontal.
5.1.13 Perform surveillance to assure that concrete is consolidated to maximum practicable density, is free from rock pockets 5 and fits tightly against all form surfaces and embedded items.
5.1.14 Perform surveillance to assure that correct vibrators are used, i.e. Internal high-frequency type with a speed of not less than 6000 revolutions per minute.
5 1.15 Perform surveillance to assure that vibrators are inserted vertically at approximate two (2) foot Intervals and with-drawn slowly to prevent format ion of pockets and that vibra-tors are not used to transport concrete. Vibrators shall penetrate the layer being placed and the underlayer as well.
Adequate vibrating, melding and blending of succeeding batches'will be assured by surveillance.
5 1.16 Perform surveillance to assure that contact of vibrators with reinforcing steel is minimized and that form or surface vibrators are not used without Engineer's approval.
5.1.17 Perform surveill.ance to assure that stone pockets or mortar pondages are not fo rmed. Should these occur, they will be dug out, reforned and refilled.
5.1.18 Perform surveillance to assure that the top layer of any block or any day's work is trued-up to a rectangular edging strip set horizontally in the forms and that, if work is suspended on any section for more than one hour, the horizon-tal edges of the concrete next to the forms on surfaces which will be exposed are brought to a horizontal plane perpendl-cular to the plane of the forms.
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J. A. JONES CONSTRUCTION COMPANY PAGE 4 0F 5 i PROCEDURE NO.
SPECIAL PROCESS PROCEDURE W-SITP-7 RE NO 3 T ITI.g . ggTION OF CONCRETE PLACING, CURING, FINISHING AND PROJECT TITLE: WATERFORD SES UNIT NO CONTRACT NO. W3-NY-4 5.1.19 Should the placement of concrete be curtailed for any N*A reason, or if the placing gets out of sequence, the Quality Verification Inspector shall test the surface of any concrete that is suspect of setting up before
, consolidation with fresh concrete. Testing shall be by inserting a blunt end rod into the suspected concrete sur-face at various location to assure adequate coverage of the suspected area. If the rod cannot be inserted to a depth greater than three (3) Inches the inspector shall notify the ConstructionlSuperintendent that a possible cold joint condition exists, continued placement shall discontinue, and action must be taken in accordance with paragraphs 3.4, 7.13.4.3, and 7.13.4.4 of J. A. Jones
, Work Procedure W-WP-7 " Concrete Placing, Curing, Finishing and Repairs". Form, W-SITP-7.1 shall be used to completely document the above inspection, which shall include area
, af fected, batch number of epoxy used, etc.
5.1.20 Perform surveillance to assure that wash water is removed -
In a manner to prevent staining of exposed surfaces.
5 1.21 verify that, except for slip forming, each placement, in multiple Ilft work is allowed to sit for at least 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> prior to start of a subsequent placement.
R-3 5.1.22 Perform surveillance to assure that all curing of concrete is continuous. Curing may be accomplished by (1) continuous maintenance of water on all exposed surfaces or by the use of approved curing compounds on the interior and exterior wall surfaces of the Reactor Auxiliary, Connon Foundation Structure, and Fuel Handling Buildings. Curing compounds are not authorised for the Reactor Building. Type of curing and specific locations where curing compounds are used shall be documented on the J. A. Jones Concrete .,
Curing Log. I R-3 5.1.23 Verify that curing temperature is maintained above 50* F.
and that proper curing is maintained for at least the first j
seven (7) days after placement. Whenever ambient tempera-ture is 65 F. or greater, it will not be necessary to i
n' essure concrete surface temperature. Curing temperature
! information shall be recorded on the J. A. Jones Curing <
. Log.
5.1.24 Perform surveillance to assure that concrete repair and i
finishing is performed in accordance with approved j
specifications, procedures, and drawings.
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J. A. JONES CONSTRUCTION COMPANY PAGE SOF 5 PROCEDURE NO.
SITE INSPECTION AND TEST PROCEDURE: W-SITP-7 REV. NO. 3 TITLE: INSPECTION OF CONCRETE PLACING, CURING, FINISHING AND R.EPAIR DATE: 9/20/76 PROJECTTITL5: WATERFORD SES UNIT NO. 3 CONTRACT NO. W3-NY-4 5.2 The Quality Verification Supervisor shall, as a minimum, perform the following functions:
5.2.1 Indicate his approval of the Concrete Pre-Placement Checklist Record by dating and affixing his signature to this form. (Reference Attachment A) .
5.2.2 Act as Contractor's representative in signing of Ebasco Services, Inc. Pre-Pla ement Checklist, i f required.
5.2.3 Assure that the Engineer's approval has been obtained prior to the placement of any concrete and secure a copy for inclusion,in the Quality Records Flie.
6.0 DOCUMENTATION .
J. A. Jones Quality Verification personnel Will provide necessary documenta-tion by use of,the following forms:
6.1 J. A. Jones Concrete Pre-Placement Checklist Record.
R-3 6.2 J. A. Jones Concrete Inspection Report.
R-3 6.3 J. A. Jones Curing Log.
7.0 ATTACHMENTS P
7.1 J. A. Jones Concrete Pre-Placement Checklist Record.
7.2 J. A. Jones Daily Concrete inspection Report.
73 J. A. Jones Con' crete Curing Log.
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ATTACHMENT 8 i .
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-i J. A. JONES CONSTRUCTION COMPANY WATERFORD UNIT NO. 3 DAILY CONCRETE'1NSPE'CTl0N REPORT Report No: Date: Shift:
Quality Verification inspector:
4 4
Placement Area / Location:
I Area / Location Released By Engineer (Ebasco): Yes No Date:
Concrete Delivery Acceptable: Yes No Comments:
4 Concrete Placement Acceptable: Yes No I
- Comments:
Consolidation Acceptable: Yes No Comments /Results:
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Finishing Acceptable: Yes No Comments /Results: .
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- Curing Acceptable
- Yes No Comments:
[ Other Comments or Remarks:
4 i Form No. W-51TP-7.1 i
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