- ระยะเวลางานไม่เกิน 7 วัน ให้ทำการ

-Period not exceeding 7 days, do the random checks once a job (including a planned stay in normal Maintenance). -More than 7 day period, make random checks every 7 days. In that case, found that the contractor does not comply with the requirements of the company. Must stop the operations immediately and to make new work. After the contractor conducted was in accordance with company requirements successfully. 2.7 accuracy and timeliness in the delivery of the job.

- A period not exceeding seven days to randomly check one time / work (including the Maintenance Plan regular)
- a period of more than seven days to make a random check every seven days
, in case the contractor. non-compliance of the Company. To stop the operation immediately. And to start a new job. After the contractor to resolve to meet the requirements of companies already 2.7 accuracy and timeliness of delivery.

The work does not exceed 7 day, random check 1 times / work (including the Maintenance plan normal).The work more than 7 day, random check every 7 days.In the case found that the Contractor does not comply with the requirements of the company. Have to stop work immediately. And will start working again. After the company contractors corrected according to the requirements of the company successfully.2.7 accuracy and on time delivery.