The organization has established and implemented process for control supplier as identify in work instruction of control of subcontractor W-SH-09 rev6. However some deficiency was noted as follow
• Base on sampling work at height permit date 27 June 16 by outsource Power air at compressor room was indicated that scaffolding were required inspection items hand rail for protection and work permit was check ok compliance. But base on site visit found was not hand rail on site.
• Base on sampling work at height permit date 27 June 16 by outsource Chemlab for monitoring and measurement of stack. This work was done without evident record for inspection and approved by safety.
• Observed contractor working on vacuum line installation at compressor room (28 Jun 16 at 10:30), Work permits (Working at Height and Hot Work) were not approved following site procedure.