The employer shall assure that every automatic sprinkler system is provided with at least one automatic water supply capable of providing design water flow for at least 30 minutes.
Automatic sprinkler system in building.
The sprinkler systems can improve firefighting techniques by the fire department as well by creating a two way communication between tenants and firefighters.
Any building or area of a building classified as group a must have automatic sprinklers.
An auxiliary water supply or equivalent protection shall be provided when the automatic water supply is out of service except for systems of 20 or fewer sprinklers.
Residential and landmark buildings are the only high rise buildings exempt from the new sprinkler provisions.
An automatic sprinkler system is also required throughout all occupancies containing storage commodities classified as group a plastics in excess of 5 ft 1 5 m in height over an area exceeding 2500 ft2 232 m2 in area.
Where a building is equipped throughout with an approved automatic sprinkler system in accordance with section 903 3 1 1 the building area limitation in table 503 is permitted to be increased by an additional 200 percent is 2 for buildings with more than one story above grade plane and an additional 300 percent is 3 for buildings with no more than one story above grade plane.
In the case of groups a 1 through a 4 automatic sprinkler coverage is required for the area itself as well as any floors between the group a occupancy and the level where building exits are located.