Obtain permission from the bridge/CCR to start the gas burning.
Carry out a health-check of the safety chain for the main gas valve, ensure that all burner fuel valves are indicating the open position and stable FO flame is established in boilers.
Open the main gas valve.
Upon completion of gas purging of main gas line, open boiler gas valves Gp and Gs
When gas purge of boiler lines completed, open individual gas burner valves on each boiler.
