Building Definition Language

Safety and Emergency Requirements define protective functions, safe states, emergency actions, responder access, and post-event recovery conditions.

Each requirement shall define:

hazard;

protected Entity or Zone;

initiating condition;

detection;

required response;

response time;

protective device;

authority;

safe state;

redundancy;

manual control;

verification;

restoration condition.

Example:

safety_requirement SR_Water_Leak_001 {

hazard: uncontrolled_water_release;

protected_zone: @Kitchen_Zone;

trigger:

@Kitchen_Leak_Sensor_01.state == alarm;

required_action:

close(@Kitchen_Branch_Shutoff);

maximum_response_time: 10 s;

verification:

@Kitchen_Shutoff_Position == closed;

}

Emergency Requirements may define:

utility isolation;

emergency lighting;

smoke control;

fire suppression;

evacuation support;

responder information;

restricted structural zones;

Post-event requirements shall include inspection, state reconciliation, evidence preservation, and authorized return to service.