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// CODE SNIPPET

[F] 415.11.5 HPM Rooms, Gas Rooms, Liquid Storage Room Construction

Building Code 2015 of Utah > 4 Special Detailed Requirements Based on Use and Occupancy > 415 Groups H-1, H-2, H-3, H-4 and H-5 > 415.11 Group H-5 > 415.11.5 HPM Rooms, Gas Rooms, Liquid Storage Room Construction
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HPM rooms, gas rooms and liquid shall be constructed in accordance with Sections 415.11.5.1 through 415.11.5.9.

[F] 415.11.5.1 HPM Rooms and Gas Rooms

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HPM rooms and gas rooms shall be separated from other areas by fire barriers constructed in accordance with Section 707 or horizontal assemblies constructed in accordance with Section 711, or both. The fire-resistance rating shall be not less than 2 hours where the area is 300 square feet (27.9 m2) or more and not less than 1 hour where the area is less than 300 square feet (27.9 m2).

[F] 415.11.5.2 Liquid Storage Rooms

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Liquid storage rooms shall be constructed in accordance with the following requirements:
  1. Rooms greater than 500 square feet (46.5 m2) in area, shall have no fewer than one exterior door approved for fire department access.
  2. Rooms shall be separated from other areas by fire barriers constructed in accordance with Section 707 or horizontal assemblies constructed in accordance with Section 711, or both. The fire-resistance rating shall be not less than 1 hour for rooms up to 150 square feet (13.9 m2) in area and not less than 2 hours where the room is more than 150 square feet (13.9 m2) in area.
  3. Shelving, racks and wainscotting in such areas shall be of noncombustible construction or wood of not less than 1-inch (25 mm) nominal thickness or fire-retardant-treated wood complying with Section 2303.2.
  4. Rooms used for the storage of Class I flammable liquids shall not be located in a basement.

[F] 415.11.5.3 Floors

Except for surfacing, floors of HPM rooms and liquid storage rooms shall be of noncombustible liquid-tight construction. Raised grating over floors shall be of noncombustible materials.

[F] 415.11.5.4 Location

Where HPM rooms, liquid storage rooms and gas rooms are provided, they shall have no fewer than one exterior wall and such wall shall be not less than 30 feet (9144 mm) from lot lines, including lot lines adjacent to public ways.

[F] 415.11.5.5 Explosion Control

Explosion control shall be provided where required by Section 414.5.1.

[F] 415.11.5.6 Exits

Where two exits are required from HPM rooms, liquid storage rooms and gas rooms, one shall be directly to the outside of the building.

[F] 415.11.5.7 Doors

Doors in a fire barrier wall, including doors to corridors, shall be self-closing fire door assemblies having a fire protection rating of not less than 3/4 hour.

[F] 415.11.5.8 Ventilation

Mechanical exhaust ventilation shall be provided in liquid storage rooms, HPM rooms and gas rooms at the rate of not less than 1 cubic foot per minute per square foot (0.044 L/s/m2) of floor area or six air changes per hour.

Exhaust ventilation for gas rooms shall be designed to operate at a negative pressure in relation to the surrounding areas and direct the exhaust ventilation to an exhaust system.

[F] 415.11.5.9 Emergency Alarm System

An approved emergency alarm system shall be provided for HPM rooms, liquid storage rooms and gas rooms. Emergency alarm-initiating devices shall be installed outside of each interior exit door of such rooms.

Activation of an emergency alarm-initiating device shall sound a local alarm and transmit a signal to the emergency control station.

An approved emergency telephone system, local alarm manual pull stations or other approved alarm-initiating devices are allowed to be used as emergency alarm-initiating devices.

Related Code Sections


415.11.5 Special Detailed Requirements Based on Occupancy and Use, HPM Rooms, Gas Rooms, Liquid Storage Room Construction
HPM rooms, gas rooms and liquid shall be constructed in accordance with Sections 415.11.5.1 through 415.11.5.9 ...
Building Code 2018 of Utah > 4 Special Detailed Requirements Based on Occupancy and Use > 415 Groups H-1, H-2, H-3, H-4 and H-5 > 415.11 Group H-5 > 415.11.5 HPM Rooms, Gas Rooms, Liquid Storage Room Construction
415.11.5 Special Detailed Requirements Based on Use and Occupancy, HPM Rooms, Gas Rooms, Liquid Storage Room Construction
HPM rooms, gas rooms and liquid shall be constructed in accordance with Sections 415.11.5.1 through 415.11.5.9 ...
Building Code 2015 of Utah > 4 Special Detailed Requirements Based on Use and Occupancy > 415 Groups H-1, H-2, H-3, H-4 and H-5 > 415.11 Group H-5 > 415.11.5 HPM Rooms, Gas Rooms, Liquid Storage Room Construction
415.11.5.6 Special Detailed Requirements Based on Use and Occupancy, Exits
Where two exits are required from HPM rooms, liquid storage rooms and gas rooms, one shall be directly to the outside of the building ...
Building Code 2015 of Utah > 4 Special Detailed Requirements Based on Use and Occupancy > 415 Groups H-1, H-2, H-3, H-4 and H-5 > 415.11 Group H-5 > 415.11.5 HPM Rooms, Gas Rooms, Liquid Storage Room Construction > 415.11.5.6 Exits
415.11.5.3 Special Detailed Requirements Based on Occupancy and Use, Floors
Except for surfacing, floors of HPM rooms and liquid storage rooms shall be of noncombustible liquid-tight construction. Raised grating over floors ...
Building Code 2018 of Utah > 4 Special Detailed Requirements Based on Occupancy and Use > 415 Groups H-1, H-2, H-3, H-4 and H-5 > 415.11 Group H-5 > 415.11.5 HPM Rooms, Gas Rooms, Liquid Storage Room Construction > 415.11.5.3 Floors
415.11.5.3 Special Detailed Requirements Based on Use and Occupancy, Floors
Except for surfacing, floors of HPM rooms and liquid storage rooms shall be of noncombustible liquid-tight construction. Raised grating over floors ...
Building Code 2015 of Utah > 4 Special Detailed Requirements Based on Use and Occupancy > 415 Groups H-1, H-2, H-3, H-4 and H-5 > 415.11 Group H-5 > 415.11.5 HPM Rooms, Gas Rooms, Liquid Storage Room Construction > 415.11.5.3 Floors
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