• Notify OSC, request support and mobilisation of On Scene Commander and Team
• FRT and Medical Response Team prepare to respond Immediately
• Ensure that site access controls are in place
• Vehicle use to be restricted until depressurisation and gas testing complete
• On arrival at site, brief OSC and handover command
• Establish a Forward Control Point – Upwind, and gives most immediate and direct access to incident location
• Request Mustered Personnel to Stand By, If no persons are missing consider stand down of response teams after depressurisation
• If personnel are missing, formulate search strategy and consider mobilisation of