ACI 311 7-2014 Inspection Services Specification for Cast-in-Place Concrete Construction.pdf

1、Inspection Services Specification for Cast-in-Place Concrete ConstructionReported by ACI Committee 311ACI 311.7-14First PrintingJune 2014ISBN: 978-0-87031-902-0Inspection Services Specification for Cast-in-Place Concrete ConstructionCopyright by the American Concrete Institute, Farmington Hills, MI.

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11、 the annually revised ACI Manual of Concrete Practice (MCP).American Concrete Institute38800 Country Club DriveFarmington Hills, MI 48331Phone: +1.248.848.3700Fax: +1.248.848.3701www.concrete.orgThis Reference Specification covers quality assurance inspec-tion services for preplacement, placement, a

12、nd post-placement of cast-in-place concrete. This Reference Specification can be made applicable to any construction project by citing it in the inspec-tion services contract. The specifier shall supplement the provi-sions of this Reference Specification as needed by specifying indi-vidual project r

13、equirements in the inspection services contract if so required.Keywords: accredited; cast-in-place; certified; inspection agency; place-ment; post-placement; preplacement; special inspection; specification.CONTENTSSECTION 1GENERAL REQUIREMENTS, p. 11.1Scope, p. 11.2Units of measurement, p. 21.3Refer

14、enced standards, p. 21.4Definitions, p. 21.5Reporting requirements, p. 31.6Qualifications, p. 3SECTION 2PREPLACEMENT INSPECTION, p. 32.1General requirements, p. 32.2Embedments, p. 32.3Mild steel reinforcement, p. 32.4Bonded post-tensioned steel reinforcement, p. 32.5Unbonded post-tensioned steel rei

15、nforcement, p. 4SECTION 3PLACEMENT INSPECTION, p. 43.1Concrete quality, p. 43.2Conveyance and placement, p. 43.3Consolidation, p. 43.4Finishing, p. 4SECTION 4POST-PLACEMENT INSPECTION, p. 44.1Protection and curing, p. 44.2Strength test specimens, p. 44.3Stressing and grouting, p. 44.4Formwork, shori

16、ng, shore removal, and reshoring, p. 5OPTIONAL REQUIREMENTS CHECKLIST, p. 5(Mandatory portion follows)SECTION 1GENERAL REQUIREMENTS1.1Scope1.1.1 Services specifiedThis Reference Specifica-tion sets the minimum requirements for quality assurance inspection of cast-in-place concrete whenever inspectio

17、n services are required by the local building codes or the Contract Documents. It includes inspection requirements for preplacement (reinforcement, forms, and embedments), placement (conveyance and consolidation), and post-place-ment (finishing, curing, stressing, grouting, and formwork removal) of

18、cast-in-place concrete, as well as requirements for personnel qualification and inspection agency accredi-tation. All inspection services required in this specification Michael C. Jaycox*, Chair Jimmie D. Hannaman Jr., SecretaryACI 311.7-14Inspection Services Specification for Cast-in-Place Concrete

19、 ConstructionAn ACI StandardWilliam T. AtkinJoseph W. ClendenenMario R. DiazDonald E. DixonJohn V. GruberRobert L. HenryCharles J. HookamVenkatesh S. IyerClaude E. JaycoxRobert S. JenkinsJose Damazo JuarezEric D. King*Michael T. Russell*Eugene TakhtovichWoodward L. VogtGeorge R. Wargo*Michelle L. Wi

20、lson*Members of task group that prepared this specification.ACI 311.7-14 was adopted May 6, 2014, and published June 2014.Copyright 2014, American Concrete Institute.All rights reserved including rights of reproduction and use in any form or by any means, including the making of copies by any photo

21、process, or by electronic or mechanical device, printed, written, or oral, or recording for sound or visual reproduc-tion or for use in any knowledge or retrieval system or device, unless permission in writing is obtained from the copyright proprietors.The materials, processes, quality control measu

22、res, and in-spections described in this document should be tested, moni-tored, or performed as applicable only by individuals holding the appropriate ACI Certification or equivalent.1shall be performed by an inspection agency engaged by the Owner.1.1.2 IndependenceAn inspection agency shall be objec

23、tive, competent, and independent from the Contractor responsible for the Work being inspected. The Owner or the Owners Representative shall not delegate these services to the Contractor, Construction Manager, Construc-tion Manager at Risk, or any other party responsible for constructing the Work.1.1

24、.3 Coordination with ContractorThe Owner shall instruct the Contractor to coordinate with the inspection agency, provide access to the Work, and provide notification when Work is ready for inspection.1.2Units of measurement1.2.1 UnitsThere are no units of measurement in this document.1.3Referenced s

25、tandardsStandards of ACI and ASTM cited in this specification are listed by name and designation, including year.1.3.1 American Concrete InstituteACI 311.6-09Specification for Ready Mixed Concrete Testing Services1.3.2 ASTM InternationalASTM C1077-11Standard Practice for Agencies Testing Concrete an

26、d Concrete Aggregates for Use in Construction and Criteria for Testing Agency EvaluationASTM E329-11Standard Specification for Agencies Engaged in Construction Inspection, Special Inspection, or Testing Materials Used in ConstructionThese publications may be obtained from:American Concrete Institute

27、38800 Country Club Dr.Farmington Hills, MI 48331www.concrete.orgASTM International100 Barr Harbor DriveWest Conshohocken, PA 19428www.astm.org1.4Definitionsacceptable or accepteddetermined to be satisfactory by Architect/Engineer.acceptanceacknowledgement by Architect/Engineer that submittal or comp

28、leted Work is acceptable.accreditationact or result of having an inspection agencys quality system, including equipment calibration and personnel certifications, reviewed and accredited by a qualified third-party accreditation agency.Architect/Engineerarchitect, engineer, architectural firm, enginee

29、ring firm, or architectural and engineering firm issuing construction contract documents, administering the Work under Contract Documents, or both.certificationact of having an individuals skills and knowledge of a certain subject tested, verified, and docu-mented by ACI or other independent third p

30、arty.continuous inspectionfull-time observation of Work requiring inspection by a special inspector who is present in the specific area where the Work is being performed.contract/services agreementprofessional agreement between the Owner and inspection agency for provisions of inspection services.Co

31、ntractorperson, firm, or entity under contract for the construction of the Work.inspection agencyperson, firm, or entity under contract for the inspection services.inspection servicesperiodic or continuous special inspections as required in this Specification and inspection services contract between

32、 the Owner and inspection agency.inspection services contractset of documents supplied by the Owner to the inspection agency as the basis for inspec-tion; these documents may contain contract forms, contract conditions, specifications, drawings, addenda, and contract changes that are used as the bas

33、is of the inspection services; a different set of Contract Documents will exist between the Owner and Contractor; such documents will make reference to the inspection services contract.Ownercorporation, association, partnerships, indi-vidual, or public body or authority with whom the Contractor ente

34、rs into an agreement and for whom the Work is provided.periodic inspectionpart-time or intermittent observa-tion of Work requiring special inspection by an approved special inspector who is present in areas where the Work is being executed or at the completion of the Work. All items requiring inspec

35、tion must be inspected before closing or before the Work is no longer accessible to inspect.Project Specificationwritten document that details requirements for the Work in accordance with service parameters and other specific criteria.servicesentire inspection scope as described in the inspection se

36、rvices contract between the inspection agency and owner.special inspectioninspection of construction requiring the expertise of an approved special inspector to ensure compliance with the approved Contract Documents.special inspectoremployee of the inspection agency or an individual that is qualifie

37、d and certified to perform the inspections described in this Reference Specification.testing agencyperson, firm, or entity under contract for monitoring the quality of the materials as specified in the Contact Documents.verifyact of reviewing, inspecting, testing, and reporting that Work inspected i

38、s or is not in conformance with Contract Documents.Workentire construction or separately identifiable parts thereof required to be furnished under the Contract Documents.American Concrete Institute Copyrighted Material www.concrete.org2 INSPECTION SERVICES SPECIFICATION FOR CAST-IN-PLACE CONCRETE CO

39、NSTRUCTION (ACI 311.7-14)1.5Reporting requirements1.5.1 Comply with special inspection requirements of the applicable building code and with the additional require-ments of the Contract Documents.1.5.2 Notify the Contractor of deviations from approved Contract Documents in a timely manner with a non

40、com-pliance report (NCR); if uncorrected during the same day noted, notify the Owner, Architect/Engineer, and Building Official with the NCR.1.5.3 Compile an NCR Log (NCL) or similar document noting construction items not conforming to the Contract Documents. The NCL will describe the nonconformance

41、, date noticed, and individuals or organizations informed. Upon completion of the corrective action, update the NCR and NCL to identify the action and date of acceptance by the Architect/Engineer, Building Official, or both, as appropriate.1.5.4 Submit progress reports to the Owner, Architect/Engine

42、er, and the Building Official, describing inspec-tions and tests that were performed, nonconformances, and compliance of Work with the Contract Documents.1.5.5 Submit a final summary report stating whether Work requiring inspection was, to the best of the inspectors knowledge, in conformance with th

43、e approved Contract Documents and applicable provisions of the building code.1.6Qualifications1.6.1 Inspection agencyInspection agency shall submit to Owner their qualifications and the qualifications of their inspectors as required in 1.6.1.1 and 1.6.1.2.1.6.1.1 Special InspectorsInspectors conduct

44、ing special inspections of concrete preplacement (reinforce-ment, embedments, and forms), placement (conveyance and consolidation), and post-placement (finishing, curing, stressing, grouting, and form and shore removal) as defined in the building code shall be currently certified by ACI as a Concret

45、e Construction Special Inspector (CCSI) or Trans-portation Construction Special Inspector (TCSI).1.6.1.2 Inspection agencyThe inspection agency shall conform to the requirements of ASTM E329 and C1077 as it pertains to concrete inspection and local building code requirements. The inspection agency s

46、hall be accredited by The American Association for Laboratory Accreditation (A2LA) or The International Accreditation Service (IAS).SECTION 2PREPLACEMENT INSPECTION2.1General requirements2.1.1 Review the Contract Documents and required building codes for inspection requirements.2.1.2 Review structur

47、al and material submittals approved by the Architect/Engineer.2.1.3 Take part in preconstruction meetings to discuss project inspection requirements and proper sequencing of required inspection services and the duties of all parties concerned.2.1.4 Before cast-in-place concrete construction, verify

48、that the substrate condition (soil subgrade, decking, or other materials beneath the concrete construction) has been inspected and approved for concrete placement.2.1.5 Verify that block-outs are correct for location, size, and condition.2.2Embedments2.2.1 Verify the formwork complies with requireme

49、nts in construction Contract Documents for cleanliness and will provide concrete elements of the specified size and shape.2.2.2 Verify that the location and preparation of joints are in accordance with the Contract Documents.2.2.3 Verify that the type, quantity, size, spacing, and loca-tion of embedments are as specified and are supported and secured with approved materials to prevent displacement during concrete placement.2.3Mild steel reinforcement2.3.1 Verify that reinforcing steel is of the type, grade, and si