In the protection zone of setting gas extinguishing systems, there should be evacuation passageway and safety exist, so that the people can evacuate the protection zone in 30s.
The ventilation should be done in the protection zone after fire extinguishing, mechanical exhaust devices should be installed in underground protection zone, windowless or window-fixed underground protection zone, and between storage rooms, the air outlet should be better installed under protection zone, directly accessible to outdoors.
In the building with gas fire extinguishing system, it’s better to install special air respirator or oxygen respirator.
The gas fire extinguishing system pipe network, which is installed in explosive dangerous place, should be set static-free ground connection.
Evacuation passageway and exit of the protection zone should be set up emergency lighting devices and lighting evacuation signs. In the protection zone, there should be fire and extinguisher exhausting acoustic alarm, and in every entry, there should be light alarm and gas extinguishing system protection signs.
The protection zone door should be opened to outdoors, and can be closed automatically, the evacuation exit door must be able to opened inside of the protection zone.
The gas fire extinguishing system in the protection zone with regular stream of people, with people there, should be set up in manual operation.
