SECTION
414 HAZARDOUS MATERIALS
[F] 414.2 Control areas.
Control areas shall comply with Sections 414.2.1 through 414.2.5
and the International Fire Code.
414.2.1 Construction requirements.
Control areas shall be separated from each other by fire
barriers constructed in accordance with Section
706 or horizontal assemblies constructed in accordance
with Section 711, or both.
[F] 414.2.2 Percentage of
maximum allowable quantities. The percentage of maximum
allowable quantities of hazardous materials per control
area permitted at each floor level within a building shall
be in accordance with Table
414.2.2.
[F] 414.2.3 Number. The
maximum number of control areas within a building shall
be in accordance with Table
414.2.3.
414.2.4 Fire-resistance-rating
requirements. The. required fire-resistance rating for
fire barriers shall be in accordance with Table
414.2.2. The floor construction of the control area
and the construction supporting the floor of the control
area shall have a minimum 2-hour fire-resistance rating.
Exception: The floor construction
of the control area and the construction supporting the floor
of the control area is allowed to be 1-hour fire-resistance
rated in buildings of Type II A, IlI A and VA construction,
provided that both of the following conditions exist:
1.The
building is equipped throughout with an automatic
sprinkler system in accordance with
Section 903.3.1.1, and
2.The
building is three stories or less in height.
[F] 414.2.5 Hazardous material
in Group M display and storage areas and in Group S storage
areas. The aggregate quantity of nonflammable solid
and nonflammable or noncombustible liquid hazardous materials
permitted within a single control area of a Group M display
and storage area, a Group S storage area or an outdoor control
area is permitted to exceed the maximum allowable quantities
per control area specified in Tables
307.1(1) and 307.1(2)
without classifying the building or use as a Group H occupancy,
provided that the materials are displayed and stored in
accordance with the International Fire Code and quantities
do not exceed the maximum allowable specified in Table
414.2.5(1). In Group M occupancy wholesale and retail
sales uses, indoor storage of flammable and combustible
liquids shall not exceed the maximum allowable quantities
per control area as indicated in Table
414.2.5(2), provided that the materials are displayed
and stored in accordance with the International Fire Code.
The maximum quantity of aerosol
products in Group M occupancy retail display areas, storage
areas adjacent to retail display areas and retail storage
areas shall be in accordance with the International Fire Code.
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