ML20127C030
| ML20127C030 | |
| Person / Time | |
|---|---|
| Site: | Waterford  |
| Issue date: | 11/24/1975 |
| From: | J.A. JONES CONSTRUCTION CO. |
| To: | |
| Shared Package | |
| ML17198A241 | List:
|
| References | |
| FOIA-84-455 W-SITP-7, NUDOCS 8506220123 | |
| Download: ML20127C030 (9) | |
Text
{{#Wiki_filter:9 s Procedure No. W-5iTP-7 J. A. JONES CONSTRUCTION COMPANY SITE INSPECTION AND TEST PROCEDURE , FOR INSPECTION OF CCNCRETE PLACING, CURING, FINISHING AND REPAIR s WATERFORD SES UNIT NO. 3 CONTRACT NO. W3-NY-4 s ENG INEERING CONSTRUCTION QUALITY ASSURANCE REV. DATE REVIEWED BY DATE REVIEWED BY DATE =APRROVED BY DATE o "aw orfa wan 24, a66 %%2k . n/d
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0 J. A. JONES CONSTRUCTION COMPANY PAGE 107 5 SITE INSPECTION AND TEST PROCEDURE: PROCEDURE 30. 4 W-SITP-7 RE'!. I;0. O TITLE: INSPECTION OF CONCRETE PLACING, CURING. FINISHING AND REPAIR DATE: 11/24/75 PROJECT TITLE: WATERFORD SES UNIT NO. 3 CONTRACT NO. W3-NY-4 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-crete placing, curing, finishing and repair activities are correctly perfo rmed. 2.0 SCOPE . I 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 Repalf'. l 3.2 Ebasco Specification No. LOV-1564.472, latest revision, " Concrete Placement, Curing and Finishing," as applicable. 3.3 ANSI N45.2.5-1974, " Supplementary quality Assurance Requirements for Installation, inspection and Testing of Structural Concrete i and Structural Steel During the Construction Phase of Nuclear Power Plants". 4.0 RESPONSIBILITIES 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 f of such tests as required. 4.2 J. A. Jones is respo'nsible 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 constru:-
tion personnel. I n
J. A. JONES CONSTRUCTION COM?ANY PACE 2 OF 5 5'TE INSPECTION AND TEST PROCEDURE: PROCEO'.'?.E 50. W- S IT P-7 REV. 50. 0 TITLE:lNSPECTION OF CONCRETE PLACING, CURING, FINISHING AND REPAIR DATE: 11/24/75 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 com-pleted and that each blank on this form is properly signed and dated or marked "N/A" If not applicable. The Inspec-tor (s) shall Indicate acceptance of these actions by sign-Ing and dating the appropriate areas of this form. , 5.1.2 Perform surveillance of the performance of concrete slump testing accomplished at the job site to verify a maximum of four ,) Inches and a minimum of two (2) Inches of slump are nr. exceeded at the time of placement. 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 th'at concrete is placed within 60 minutes or 300 revolutions, 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. 5.1.6 Perfor'm surveillance to assure that all concrete is dis-charged vertically until the concrete comes to rest in the structures. - 5.1.7 Perform surveillance of concrete deposition to assure that concrete is deposited as near as practicable to its final position. 5.1.8 Perform surveillance to assure that the free height of drop of concrete does not exceed five (5) feet.
J. A. JONES CONSTRUCTION COMPANY PACE 3 OF 5 SITE INS?ECTION AND TEST PROCEDURE: PROCED"2I NO. V-SITP-7 REV. No. O TITLE: INSPECTION OF CONCRETE PLACING, CURING, FINISHING AND REPAIR DATE: 11/24/75 PROJECT TITLE: WATERFORD SES UNIT NO. '3 CONTRACT NO. W3-NY-4 5.1.9 Perform surveillance to assure that concrete chutes, wh'en used, have slopes between 1 to 3 and 1 to 2 inclusive. 5.1.10 Perform surveillance to assure that concrete is placed in horizontal layers of from 6 to 20 inches in thickness. 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-crete are approximately horizontal. . 5.1.13 Perform surveillance to assure that concrete is consolidated to maximum practicable density, is free from rock pockets 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 munute. 5.1.15 Perform survelliance to assure that vibrators are Inserted vertically at approximate. two (2) foot intervals and with-drawn slowly to prevent formation of pockets and that vibrators 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 surveillance to assure that stone pockets or mortar pendages are not formed. Should these occur, they will be dug out, reformed 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 hort-zontal edges of the concrete next to the forms on surfaces which will be exposed are brought to a horizontal plane per-pendicular to the plane of the forms.
J. A. JONES CONSTRUCTION COMPANY PAGE 4 07 3 SITE ISS?ICTION AND TEST PROCEDURE: PROCEDURE 30. V- S I T P - 7 REV. NO. 3 TITLE: _ INSPECTION OF CONCRETE PLACING, CURING, FINISHING AND REPAIF DATE:11/24/75 PROJECT TITLE: WATERFORD SES UNIT NO. 3 CONTRACT NO. W3-NY-4 5.1.19 Perform surveillance to assure that wash water is removed
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in a manner to prevent staining of exposed surfaces. 5.1.20 Verify that, except for slip forming, each placement in multi-pie lift work is allowed to sit for at least 48 hours prior to start of a subsequent placement. 5.1.21 Perform surveillance that all curing of concrete is done by - con.tinuous maintenance of water on all exposed surfaces, un-less otherwise approved by the Engineer. 5.1.22 Verify that curing temperature is maintained above 50 F and - that concrete is maintained in a moist condition for at least the first seven (7) days after placement. Curing in-formation shall be recorded on Attachment C. 5.1.23 Perform surveillance to assure that concrete repair and fin-Ishing is performed in accordance with approved specifications procedures and drawings. 5.1.24 Collect a copy of the concrete delivery from each concrete truck as it arrives in pouring area. Tickets shall be attach-ed to the Daily Concrete inspection Report, Reference Attach-ment B. 5.2 The quality Verification Supervisor shall, as a minimum, perform the following functions: L 5.2.1 Indicate his approv'al of the Concrete Pre-Placement CheckIIst 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-placement checklist if 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 inclu-sicq in the quality Records File.
J. A. JONES CONSTRUCTION COM?ANY PAGE 5 0F 5 PROCEDURE NO. S TE INSPECTION AND TEST P,ROCEDURE: W-SITP-7 REV. NO. O TITLE: INSPECTION OF CONCRETE PLACING, CURING, FINISHING AND REPAIR DATE: 11/24/75 PROJECT TITLE: WATERFORD SES UNIT NO. 3 CONTRACT NO. W3-NY-4 6.0 OCCUMCNTATION 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. 6.2 Ebasco Pre-Placement Checklist. 6.3 J. A. Jones Concrete inspection Report. 6.4 J. A. Jones Curing Log. , 7.0 ATTACHMENTS
. 71 J. A. Jones Concrete Pre-Placement Checklist Record.
7.2 J. A. Jones Daily Concrete inspection Report. 7.3 J. A. Jones Concrete Curing Log. 1 6
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ATTACHMENT B J. A. JONES CONSTRUCTION COMPANY WATERFORD UNIT NO. 3 DAILY CONCRETE INSPECTION REPORT Report No: Date: Shift: Quality Verification Inspector: Placement Area / Location: Area / Location Released By Engineer (Ebasco): Yes No Date: Concrete Delivery Acceptable: Yes No Comments: Concrete Placement Acceptable: Yes No Comments: Consolidation Acceptable: Yes No Comments /Results: Finishing Acceptable: Yes No Comments /Results: Curing Acceptable: Yes No Comments: Other Comments or Remarks: Form No. W-SITP-7.1
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- ATTACHMENT C
- J. A. JONES CONSTRGTION COMPANY
? j WATERFORD UNIT NO. 3
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CONCRETE CualNG LOG I I PLACEMENT NO. . 1
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DATE TIME CURRENT HIGH LOW CONTINUCUS, Q.V. . TEMPERATURE TEMP TEMP MOISTURE l .lNSPECTOR
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