The Commissioning Plan in projects
One of the most crucial phases during the execution of a project is the commissioning stage. Commissioning is the process by which a plant, equipment or facility is tested to verify that it operates as per design intent or specifications.
A commissioning manager is appointed as part of the Project Management Team; he is responsibilities for the preparation and updating of the commissioning plan and manages the appointed commissioning team.
The purpose of the commissioning plan is to clearly identify the various stages of the project such as design, execution, commissioning, handing over and training. This document outlines the overall process, schedule, organization, responsibilities and documentation for each phase. The details of the test required do not form part of the commissioning plan as these are usually included in the specifications or the QA/QC plan. On the other hand the commissioning plan will identify which tests and documentation are required for each system being commissioned, during which phase of the project these are required and who is responsible for the execution of the tests and their compilation. For ease of reference this is usually done by means of a matrix.
Members of the commissioning team will be involved in the design phase and their responsibility does not include review for design concept, design criteria or compliance with codes but they must compare the design with the interest and needs of the client as identified in the client’s brief.
The primary role of the commissioning team at design stage is to review the design documents to facilitate commissioning during construction, such as:
1. Clear and rigorous design documentation, including detailed and complete sequences of operation.
2. Clear and complete commissioning specifications for the construction phase.
3. Complete O&M documentation requirements in the specifications.
4. Complete training requirements in the specifications.
5. Access of plant and components for commissioning and future maintenance
6. Adequate number of isolating valves, dampers, balancing valves etc., which will permit a proper commissioning procedure.
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