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.

Sprinklers required on outdoor roof decks ibc.

1 e25 15 ibc 1006 3 egress from stories or occupied roofs. The system includes a suitable water supply. 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. 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.

The international building code ibc defines an automatic sprinkler system as the following. 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. 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. 1006 3 1 egress based on occupant load.

Where provisions of. 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. Revision no change means of egress from story or roof. When exceeding this height the most feasible alternative is to consider it an accessory occupancy ibc 2012 505 2 and 508 2.

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. 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. Clarifies that when determining the means of egress design requirements from a story or occupied roof each story or roof will be provided with the minimum number of exits for that specific. 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.