Section 1020

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SECTION 1020 - SPECIAL HAZARDS

1020.1 Rooms Containing Fuel-fired Equipment. Except in Group R, Division 3 Occupancies, any room containing a boiler, furnace, incinerator or other fuel-fired equipment shall be provided with two exits when both of the following conditions exist:

1. The area of the room exceeds 500 square feet (46.45 ), and

2. The largest piece of fuel-fired equipment exceeds 400,000 Btu per hour (117 228 W) input capacity.

If two exits are required, one may be a fixed ladder. Exits shall be separated by a horizontal distance not less than half the greatest horizontal dimension of the room. Interior openings between a Group H Occupancy and an incinerator room are prohibited.

1020.2 Refrigeration Machinery Rooms. Exits shall be of sufficient number and arrangement such that no portion of the machinery room is more than 50 feet (15 240 mm) in direction of travel from an exit. Doors shall swing in the direction of exit travel and shall be openable from the inside without the use of a key or any special knowledge or effort. Doors shall be tight fitting and self-closing. Machinery rooms containing other than Group A1 refrigerants shall be provided with a minimum of two exits as required in Section 1020.1.

1020.3 Refrigerated Rooms or Spaces. Rooms or spaces containing a refrigerant evaporator and maintained at a temperature below 68°F. (20°C.), when having a floor area of 1,000 square feet (92.9 ) or more, shall be served by at least two exits. All portions of the room or space shall be within 100 feet (30 480 mm) of an exit. Exiting is allowed through adjoining refrigerated rooms or spaces.

EXCEPTION: When using Group A1 refrigerants in quantities limited to the amounts based on the volume set forth in the Mechanical Code.

1020.4 Cellulose Nitrate Film Handling. When cellulose nitrate film is handled in film laboratories, projection rooms and film processing rooms, two exits shall be provided. Doors shall be self-closing and have a fire-protection rating of not less than one hour.