Executes the specific inspections on materials, equipment and construction/installation activities on site.involve in construction, pre commissioning, start up instrument and electrical system in oil, and petrochemical such as installation, fabrication, tubing, termination loop checking, loop folder, IR test, monitoring knowledge in handling workers, assist instrument supervisor in preparing papers for progress report and other paper works inside the department, knowledge in fire and gas installation and termination, according to the design of the project. Provide assistant to qa/qc during walk down with client, can work as qa/qc and monitor all scope of instrumentation job during construction.