Safety services (fire pumps, fire detection and alarms, air handling for smoke control, evacuation systems, emergency lifts including motor-room-less) have supplies and wiring that keep operating in fire (WS classification per the relevant standard or deemed types), separate main switches from general supplies, switchboards to Clause 2.10 and the NCC, and supplies not used for other purposes unless availability is assured.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.