Sprinklers Required On Outdoor Roof Decks Ibc

High rise buildings up to 420 feet in height sprinklers permit the required fire resistance rating of the fire barrier walls enclosing vertical shafts other than exit enclosures and elevator hoistway enclosures to be reduced to 1 hour where automatic sprinklers are installed within the shafts at the top and at alternate floor levels.

Sprinklers required on outdoor roof decks ibc.

An automatic sprinkler system for fire protection purposes is an integrated system of underground and overhead piping designed in accordance with fire protection engineering standards. The 2018 ifc ibc is increasing the fire sprinkler system to include all floors below the level of exit discharge unless the floors are an open parking garage. When exceeding this height the most feasible alternative is to consider it an accessory occupancy ibc 2012 505 2 and 508 2. The system includes a suitable water supply.

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. 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. Where provisions of. 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.

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. Revision no change means of egress from story or roof. 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. 1 e25 15 ibc 1006 3 egress from stories or occupied roofs.

The international building code ibc defines an automatic sprinkler system as the following. The occupancy located on an occupied roof shall not be limited to the occupancies allowed on the story immediately below the roof where the building is equipped throughout with an automatic sprinkler system in accordance with section 903 3 1 1 or 903 3 1 2 and occupant notification in accordance with section 907 5 is provided in the area of the. A sprinkler system is required throughout the floor where the facility is located and extended down to the nearest level of exit discharge. 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.