Sprinklers Required On Outdoor Roof Decks

Mounting plate has 4 pre drilled holes.

Sprinklers required on outdoor roof decks.

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. When exceeding this height the most feasible alternative is to consider it an accessory occupancy ibc 2012 505 2 and 508 2. This soaking of the roof and landscape also releases moisture into the air lowering ambient temperatures and increasing humidity levels.

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. 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. 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. 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.

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. Where provisions of. Considering a roof deck as a story may be acceptable when the height of the deck does not exceed 2 3 stories depending on the construction type and whether or not sprinklers are used.

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. Designed primarily for attachment to a vertical surface such as a roof fascia to support 1 sprinkler head. 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. 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.

In addition to the ham lake results there are plenty of success stories where am exterior sprinkler system has protected a house from burning.