SCE group SD009 SCE group title Utility air Utility Air Systems. To prevent an unplanned and/or out-of-sequence operation of safety critical air controlled equipment, such as emergency shutdown valves or deluge systems Internal escape ways within the living quarters, offices or workspaces to the primary muster points within the temporary refuge or elsewhere On offshore installations, the route from the primary muster points to either the helideck, or lifeboat Signage systems Escape gates in fences At system level SCE group ER001 SCE group title Temporary Refuge/Primary Muster Areas Temporary refuge (also known as Primary Muster and Command Area) includes all the associated safety systems. The arrangements for TR should provide sufficient protection to enable people to muster safely, to permit the emergency to be assessed, and to allow the appropriate parts of the emergency response plan to be executed during a major incident. At refuge/area level
