Objectives of Quality Assurance
The objectives of quality assurance are:
- To monitor activities to meet quality outputs
- To deliver outputs on time
- To see that projects are completed within the budget allocated
- Do things right the first time
The principles of quality assurance in the project team are based on the following main principle of quality assurance:
- A means of getting it right first time, every time
- Good management sense and
- The responsibility of everyone involved in carrying out the related activity.
Quality assurance is achieved through quality control. In order to achieve quality, the staffs assigned to do the job should have the necessary skill and experience to do the works.
Quality control, which is a part of a quality assurance program, is a function that has for years been recognized as the inspection and testing of materials and workmanship to ensure that the work meets the requirements of the specifications.
Quality Assurance Organization
Quality Assurance System will be established by creating a quality management team and defining the responsibility of each Quality Assurance team.
The quality assurance system will be properly implemented for proper quality control of works and materials as per the requirement of the specification and other recommended manuals and standards.
The project site will be managed by a project manager dully approved by the Engineer. As depicted in the attached Organization chart, different team of Engineers, foremen, supervisors and superintendents will be assigned for the project manager to assist him in accomplishing the overall goal of the project. Also assistance from the head office shall be provided to the project manager for the proper and timey execution of the works.
Quality Assurance Plan
At each stage of the project the Contractor will devise a means of controlling the quality of outputs of each activity by identifying the possible problems and measures to be taken for solution of each of the problems.
The purpose of organizing our work by using a quality assurance system is to prevent mistakes and to improve our ability to deliver the desired quality. Hence the contractor will develop Quality assurance which represents all those planned and
systematic activities implemented within a Quality System and demonstrated as needed, to provide adequate confidence that a product or service will satisfy given requirements for quality.
The Quality assurance plan will be formal document describing in comprehensive detail the necessary QA, QC, and other technical activities that must be implemented to ensure that the results of the work performed will satisfy the stated performance criteria. The principles of quality assurance in the project are based on the following main principles of quality assurance:
- The contract’s general approach to providing a quality control system.
- Detailed description of the request systems for checking completed works and for the inspection of elements when required prior to performing works.
- Methods and frequency of testing for all elements of the works.
- Reporting procedures.
- Procedures for rectifying deficiencies identified.
- Standard formats proposed for use in the system with a description of how they are to be used during the project.
- software proposed for use in maintaining system records and reporting the copy of which will be provided for the free use of both Employer’s representative (the supervisor )
Quality Assurance Measures
To execute the work which complies with the quality and accuracy of dimensions to the requirement of Design drawing and Specification, a quality control system with experienced staff, together with all necessary facilities to ensure adequate supervision and positive control of the works at all times, will be implemented at all stages of construction.
As part of the quality measures the contractor will perform the following but not limited to:
- Prior to setting out of work, the condition of all references and all survey monuments will be checked and assured that they are true in regard to position and level.
- Additional reference beacons will be established at suitable location where they will not be disturbed during construction.
- Accurate control of line & level will be provided at all stages of construction.
- All survey control data, calculations, surveying and measuring required for setting and maintaining the necessary lines and grades will be undertaken by the contractor.
- Detailed survey records will be maintained. This record will include graphic notes depicting control points used and relationship to other control points or reference points, description, coordinates and location description.
- The Contractor shall perform the construction engineering, necessary calculations, staking work, including
1. Run a level circuit to check or reestablish plan benchmarks
2. Set stakes for construction limits, right-of-way, drainage items, slopes, pavement Structure, embankment and sub-grade controls, bridge control points for vertical and horizontal alignment of all components, and any other stakes necessary to control lines and grades.
- Furnish all stakes, templates, straightedges, and other devices necessary to check, mark, and maintain points, lines and grades.
- On bridges, establish four benchmarks, two on each side of each structure unless physical conditions prohibit placement.
- Maintain orderly and clear field notes in standard field notebook consistent with standard engineering practice.
1. Use standard field books consistent with those customarily used by the construction industry
2. Allow Employer’s Representative to inspect these field books at any time
- Correct any errors
- Assume any responsibility for final accuracy of construction
- Different formats will be prepared as part of the quality assurance to be prepared during construction period
- A request will be submitted to obtain an approval for each completed elements of the work from the Engineer and no proceeding to subsequent elements of work until approval is granted.
- The results and data of relevant tests, measurement and levels indicating compliance with the specification on completion of every part of the work will be submitted to the Employer’s Representative to obtain approval.
- The responsibility system for quality inspection system will be established for all the technical personnel such as Chief Engineer, Site Engineers, Office Engineers and all other staffs responsible for quality assurance for each element of work. The quality person responsible for the work will take the responsibility for that particular work.
- The quality inspection regulations from the contractor shall be established in consultation with the supervision consultant.
- Quality control will be undertaken to supervise and instruct by the related Engineer and carry out the quality control maters according to the design drawing, the technical speciation and other relevant standards.
- The instruments, equipment and other facilities will be checked for complying with the requirements of quality inspection and testing and timely calibrated according to the relevant regulations. The instruments, equipment and other facilities brought to the site for the purpose of quality control will be replaced if they are found to be unsatisfactory in accuracy.
- The manufacturer certificate will be submitted to supervision consultant for the construction materials mobilized to the site to be incorporated in to the work and also tested at site if required. The materials which do not comply with the speciation will be discarded.
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