Water Curtain Fire Protection
Water courtain will not protect as fine as door.
Water curtain fire protection. I e a fire curtain or an approved water curtain or an active means shall be provided to prevent fire smoke from spreading to the adjacent seating area and the rest of the theatre so as to ensure safe evacuation and relocation of occupants. A water curtain is a device which used to be used by firefighters probably last used extensively in the early 70s to prevent fires from spreading from one building to the next. The portion bounded by fire area separation or occupancy separation walls. Water curtain system is one of the active fire suppression system active fire suppression system means it becomes active only when there is fire.
I ve often heard architects ask about using water curtains or deluge sprinklers when they have a rated fire barrier and are looking to incorporate a window. In the past decades a fire curtain normally made of heavy iron or. When the water curtain is located in an otherwise un sprinklered area the design shall include all the sprinklers located in each fire separation area being protected i e. Sprinklers are to control damage while fire brigade arrive and in warehouses one or two small variables may lead to limited sprinkler effectiveness.
I know of no department that uses them anymore. If sprinklered i guess big warehouse fire doors are more expensive than courtain. Here is an example. In the aspect of fire life safety compartmentation of building plays an important role.