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Standpipe systems shall be installed where required by Sections 905.3.1 through 905.3.8. Standpipe systems are allowed to be combined with automatic sprinkler systems.
Exception: Standpipe systems are not required in Group R-3 occupancies.
[F] 905.3.1 Height
Class III standpipe systems shall be installed throughout buildings where any of the following conditions exist:
  1. Four or more stories are above or below grade plane.
  2. The floor level of the highest story is located more than 30 feet (9144 mm) above the lowest level of fire department vehicle access.
  3. The floor level of the lowest story is located more than 30 feet (9144 mm) below the highest level of fire department vehicle access.
Exceptions:
  1. Class I standpipes are allowed in buildings equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1 or 903.3.1.2.
  2. Class I standpipes are allowed in Group B and E occupancies.
  3. Class I standpipes are allowed in parking garages.
  4. Class I standpipes are allowed in basements equipped throughout with an automatic sprinkler system.
  5. Class I standpipes are allowed in buildings where occupant-use hose lines will not be utilized by trained personnel or the fire department.
  6. In determining the lowest level of fire department vehicle access, it shall not be required to consider either of the following:
    6.1.  Recessed loading docks for four vehicles or less.
    6.2.  Conditions where topography makes access from the fire department vehicle to the building impractical or impossible.
[F] 905.3.2 Group A
Class I automatic wet standpipes shall be provided in nonsprinklered Group A buildings having an occupant load exceeding 1,000 persons.
Exceptions:
  1. Open-air-seating spaces without enclosed spaces.
  2. Class I automatic dry and semiautomatic dry standpipes or manual wet standpipes are allowed in buildings that are not high-rise buildings.
[F] 905.3.3 Covered and Open Mall Buildings
Covered mall and open mall buildings shall be equipped throughout with a standpipe system where required by Section 905.3.1. Mall buildings not required to be equipped with a standpipe system by Section 905.3.1 shall be equipped with Class I hose connections connected to the automatic sprinkler system sized to deliver water at 250 gallons per minute (946.4 L/min) at the hydraulically most remote hose connection while concurrently supplying the automatic sprinkler system demand. The standpipe system shall be designed to not exceed a 50 pounds per square inch (psi) (345 kPa) residual pressure loss with a flow of 250 gallons per minute (946.4 L/min) from the fire department connection to the hydraulically most remote hose connection. Hose connections shall be provided at each of the following locations:
  1. Within the mall at the entrance to each exit passageway or corridor.
  2. At each floor-level landing within interior exit stairways opening directly on the mall.
  3. At exterior public entrances to the mall of a covered mall building.
  4. At public entrances at the perimeter line of an open mall building.
  5. At other locations as necessary so that the distance to reach all portions of a tenant space does not exceed 200 feet (60 960 mm) from a hose connection.
[F] 905.3.4 Stages
Stages greater than 1,000 square feet in area (93 m2) shall be equipped with a Class III wet standpipe system with 11/2-inch and 21/2-inch (38 mm and 64 mm) hose connections on each side of the stage.
Exception: Where the building or area is equipped throughout with an automatic sprinkler system, a 11/2-inch (38 mm) hose connection shall be installed in accordance with NFPA 13 or in accordance with NFPA 14 for Class II or III standpipes.
[F] 905.3.4.1 Hose and Cabinet
The 11/2-inch (38 mm) hose connections shall be equipped with sufficient lengths of 11/2-inch (38 mm) hose to provide fire protection for the stage area. Hose connections shall be equipped with an approved adjustable fog nozzle and be mounted in a cabinet or on a rack.
[F] 905.3.5 Underground Buildings
Underground buildings shall be equipped throughout with a Class I automatic wet or manual wet standpipe system.
[F] 905.3.6 Helistops and Heliports
Buildings with a rooftop helistop or heliport shall be equipped with a Class I or III standpipe system extended to the roof level on which the helistop or heliport is located in accordance with Section 2007.5 of the International Fire Code.
[F] 905.3.7 Marinas and Boatyards
Standpipes in marinas and boatyards shall comply with Chapter 36 of the International Fire Code.
[F] 905.3.8 Landscaped Roofs
Buildings or structures that have landscaped roofs and that are equipped with a standpipe system shall have the standpipe system extended to the roof level on which the landscaped roof is located.

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