Construction Quality Control Procedures

In this article i have explained all about the inspection any civil activities the procedure of inspection, parties involved in the inspection and all the documents required for conducting an inspection at construction project.

Civil Inspection

 Purpose:  The purpose of this procedure is to outline the general guidelines necessary to assure that the civil construction activities performed on the Construction projects are performed in accordance with applicable codes, standards, specifications and drawings.

 Scope

This procedure will cover general inspection criteria in the areas of: Safety, Survey Control, Soils Inspection, Reinforcing Steel Inspection, Concrete Inspection, Grouting Inspection, Structural Steel Inspection.

Construction activities and subsequent inspection criteria shall be based on job site specifications, procedures and drawings. In lieu of jobsite specifications or where referenced by jobsite specifications, national codes and standards shall be used.

 Responsibility

Generally, it will be the responsibility of the Main contractor and subcontractors to insure that construction activities are performed in accordance with applicable specifications, procedures, drawings, codes and standards.

Contractor reserves the right to perform whatever inspections and tests are deemed necessary to insure that construction activities are being performed in accordance with job requirements and/or to require sub-contractors and/or testing agency personnel to perform these inspections and tests. Contractor also reserves the right to review the qualifications of all subcontractor and/or testing agency personnel performing inspections and/or tests, and to request that personnel be replaced if their qualifications are not appropriate for the inspections and tests being performed.

 Reference Documents

Following is a partial list of reference documents that may be useful in the implementation of this procedure. 

  • International standards
  • Local Authority codes & specifications.
  • Specifications of the project

 Safety

Every employee has an individual responsibility for his or her personal safety and for the safety of others as well. Each employee should be knowledgeable of the safety rules applicable to his or her work. Employees must accept personal responsibility for cooperating and complying with all HSE policies and procedures. Prior to beginning work, all employees shall review and have a thorough understanding of all applicable safety procedures contained in the Construction HSE Policies and Procedures Manual.

 Survey Control

It will generally be the main contractor’s/ subcontractors responsibility to furnish his own survey crew and to establish survey control for the ongoing construction based on previously established control monuments. The contractor shall establish and maintain survey control to the accuracy required to meet industry and job site standards and requirements. The contractor may hire a separate survey company in lieu of using in house personnel, but may not use the same survey crew and/or company currently employed by others in the same project. Construction Services reserves the right to review and approve the qualifications of the third party survey company.

Main contractor also reserves the right to perform its own independent surveys to confirm compliance to industry and job site standards and requirements & the supervision consultants has to verify all the survey points.

Soils Inspection

Earthwork construction activities shall be performed in accordance with job site specifications, procedures and drawings. Soils inspection shall be performed by qualified personnel who shall verify that requirements of the specifications, procedures and drawings are being met.

Test Reports

Test results should be recorded on test reports on relevant appropriate forms. Test results done by appointed third party must be transmitted to QA/QC department and Consultant and be reviewed for conformance with specifications & must be submitted for consultants’ approvals.

Reinforcing Steel Inspection

Reinforcing steel shall be received, stored and handled in accordance with procedures of Receipt, Storage and Handling of Products. As part of the receipt inspection, mill test reports shall be checked against the appropriate ASTM standards and fabricated bars shall be randomly checked against the bar lists for compliance. Any nonconforming items shall be processed in accordance with procedures.

Concrete Inspection and Testing

Concrete construction activities shall be performed in accordance with job site specifications, procedures and drawings. Concrete inspection and testing shall be performed by qualified personnel who shall verify that requirements of the specifications, procedures and drawings are being met. Tests of concrete required to determine compliance to specifications shall be made by a certified Concrete Field

Testing Technician:

 Unless specified elsewhere in the specifications and/or drawings, a minimum of six concrete cubes shall be made and will be considered a set. Unless stated elsewhere, the cubes will be tested as follows: 2 cubes at 7 days, 2 at 28 days and 2 held in reserve. Test results should be recorded on a spreadsheet and in a manner consistent with QC procedure: Statistical Techniques.

Concrete Pre placement

Concrete pre placement construction activities shall consist of foundation preparation, rebar and embed placement, form construction and all other activities necessary to prepare for concrete placement

Concrete Placement

Concrete placement activities shall consist of the actual placing of the concrete and all

testing that is required on the fresh concrete prior to and during placement.

Concrete Post Placement

Concrete post placement activities shall consist of application and maintenance of curing compound or other methods of curing, form removal, concrete repair and storage of concrete cubes. The subcontractor shall demonstrate to QA/QC that curing has been maintained by the submittal of curing records.

Grouting Inspection

Non shrink structural grout shall be shipped to the job site in bags and shall be received,

stored and handled in accordance with procedure Receipt, Storage and Handling of Products. Specifically, bagged grout shall be stored in accordance with Storage Requirements. Any nonconforming items shall be processed in accordance with procedures.

 

62Shares

1 thought on “Construction Quality Control Procedures”

Leave a Reply