IOGP high potential event report

Incident description:

Fire alarm activated in the kitchen and the gas supply system shut down On 9-Sep-18 at 18h00 during food preparation. Company Security closed the alarm. Gas company was called and investigated, stated a sensor was faulty and did a calibration. on the next day the Fire alarm activated and the gas supply system shut down at 04h00 during food preparation, the Security closed the alarm again. The gas company was called and investigated stated that catering company had removed a gas hose without blanking it off which resulted in a gas leak (gas ball valve was closed but not locked out).

What Went Wrong:

Maintenance work are not controlled by any PTW system; HSE assessment on whether PTW is required or not based on contractor maintenance work activities schedule was inaccurately done; Weekly inspection being conducted by contractor found inadequate. Description of reported issues are either incomplete or unclear.

Corrective Actions:

1. Ensure awareness session is conducted for all catering and facility personnel on PTW and Emergency process. 2. Study replacement of gas supply system with electrical enforce PTW procedure in the accommodation. 3. Improve supervision in the accommodation. 4. Review and modify the maintenance program and control frequency of gas supply confirm the competency and skill of contractors.