Sprinklers Required On Outdoor Roof Decks

Understanding that the ibc states that the building area includes areas not bounded by walls but with a roof over the area shall be included in the fire area and that an a 2 occupancy is required to be sprinklered per 903 2 1 2.

Sprinklers required on outdoor roof decks.

Designed primarily for attachment to a vertical surface such as a roof fascia to support 1 sprinkler head. You can read about two such examples of eave sprays and roof sprinkler systems that saved homes in the 2003 cedar fire in san diego and the 2018 camp fire in paradise. Sidewall sprinklers that are used to protect such areas shall be permitted to be located such that their deflectors are within 1 inch 25 mm to 6 inches 152 mm below the structural members and a maximum distance of 14 inches 356 mm below the deck of the exterior balconies and decks that are. Additional mounting holes can be easily be field drilled for precise placement.

Sprinkler protection shall be provided for exterior balconies decks and ground floor patios of dwelling units and sleeping units where the building is of type v construction provided there is a roof or deck above. Mounting plate has 4 pre drilled holes. This soaking of the roof and landscape also releases moisture into the air lowering ambient temperatures and increasing humidity levels. It sounds like the building basement and first floor would require sprinklers based on occupant load given the size occ load for an a 2 will be 100.

When an occupied roof has an assembly occupancy with an occupant load exceeding 100 for group a 2 and 300 for other group a occupancies all floors between the occupied roof and the level of exit discharge shall be equipped with an automatic sprinkler system in accordance with section 903 3 1 1 or 903 3 1 2. The roof deck would not be considered a fire area since it is not enclosed and bounded and would not require sprinklers. Sidewall sprinklers that are used to protect such areas shall be permitted to be located such that their deflectors are within 1 inch 25 mm to 6 inches 152 mm below the structural members and a maximum distance of 14 inches 356 mm below the deck of the exterior balconies. In addition to the ham lake results there are plenty of success stories where am exterior sprinkler system has protected a house from burning.

If over 5000 sq ft or with an occupant load of 100 or more we have 124 and if the are is located on a floor other than the level of exist discharge we are open to the outside grade plane ibc section 903 3 3 1 1 nfpa 13 sprinkler systems. Bracket backplate is 8 by 5 by 3 16 aluminum plate welded to 3 4 npt threaded tube on a 1 25 offset. Sprinkler protection shall be provided for exterior balconies decks and ground floor patios of dwelling units where the building is of type v construction provided there is a roof or deck above. An assembly occupancy on an occupied roof that exceeds an occupant load of 100 for group a 2 occupancy and 300 for all other group a occupancies requires all floors between the occupied roof and level of exit discharge to be equipped with an automatic fire sprinkler system except for open parking garages built with type i or type ii construction.

The roof saver sprinkler kit is an exterior fire prevention system designed to wet roofs gutters decks surrounding trees and shrubs making these fuels less susceptible to ignition.