Page 355 - 2018_IFC

HIGH-PILED COMBUSTIBLE STORAGE

be considered fire department access doors unless 2. Aisles that are in high-piled storage areas
2
approved. exceeding 2,500 square feet (232 m ) in area,
3206.7.7 Locking devices. Locking devices on fire not open to the public and protected by a
department access doors shall be approved. sprinkler system designed for multiple-row
racks, shall be not less than 24 inches (610
3206.7.8 Key box. Where fire department access doors are mm) wide.
required, a key box shall be installed in accordance with
Section 506.1. The key box shall contain keys or devices 3206.10.1.2 Nonsprinklered buildings. Aisles in non-
to allow for entry through the fire department access sprinklered buildings shall be not less than 96 inches
doors. (2438 mm) wide.
3206.8 Smoke and heat removal. Where smoke and heat 3206.10.2 Clear height. The required aisle width shall
removal is required by Table 3206.2 it shall be provided in extend from floor to ceiling. Rack structural supports and
accordance with Section 910. catwalks are allowed to cross aisles at a minimum height
of 6 feet 8 inches (2032 mm) above the finished floor
3206.9 Fire department hose connections. Where exit pas- level, provided that such supports do not interfere with fire
sageways are required by the International Building Code for department hose stream trajectory.
egress, a Class I standpipe system shall be provided in accor-
dance with Section 905. 3206.10.3 Dead-end aisles. Dead-end aisles shall not
exceed 20 feet (6096 mm) in length in Group M occupan-
3206.10 Aisles. Aisles providing access to exits and fire cies. Dead-end aisles shall not exceed 50 feet (15 240 mm)
department access doors shall be provided in high-piled stor- in length in all other occupancies.
2
age areas exceeding 500 square feet (46 m ), in accordance
with Sections 3206.10.1 through 3206.10.3. Aisles separating Exception: Dead-end aisles are not limited where the
storage piles or racks shall comply with NFPA 13. Aisles length of the dead-end aisle is less than 2.5 times the
shall comply with Chapter 10. least width of the dead-end aisle.
Exception: Where aisles are precluded by rack storage 3206.11 Portable fire extinguishers. Portable fire extin-
systems, alternate methods of access and protection are guishers shall be provided in accordance with Section 906.
allowed where approved.
3206.10.1 Width. Aisle width shall be in accordance with SECTION 3207
Sections 3206.10.1.1 and 3206.10.1.2. SOLID-PILED AND SHELF STORAGE
Exceptions:
3207.1 General. Shelf storage and storage in solid piles, solid
1. Aisles crossing rack structures or storage piles, piles on pallets and bin box storage in bin boxes not exceed-
that are used only for employee access, shall be ing 5 feet (1524 mm) in any dimension, shall be in accor-
not less than 24 inches (610 mm) wide. dance with Section 3206 and this section.
2. Aisles separating shelves classified as shelf stor- 3207.2 Fire protection. Where automatic sprinklers are
age shall be not less than 30 inches (762 mm) required by Table 3206.2, an approved automatic sprinkler
wide. system shall be installed throughout the building or to 1-hour
3206.10.1.1 Sprinklered buildings. Aisles in sprin- fire barriers constructed in accordance with Section 707 of
klered buildings shall be not less than 44 inches (1118 the International Building Code. Openings in such fire barri-
mm) wide. Aisles shall be not less than 96 inches (2438 ers shall be protected by opening protectives having a 1-hour
mm) wide in high-piled storage areas exceeding 2,500 fire protection rating. The design and installation of the auto-
2
square feet (232 m ) in area, that are accessible to the matic sprinkler system and other applicable fire protection
public and designated to contain high-hazard commodi- shall be in accordance with the International Building Code
ties. and NFPA 13.
Aisles shall be not less than 96 inches (2438 mm) 3207.2.1 Shelf storage. Shelf storage greater than 12 feet
wide in areas open to the public where mechanical (3658 mm) but less than 15 feet (4572 mm) in height shall
stocking methods are used. be in accordance with the fire protection requirements set
forth in NFPA 13. Shelf storage 15 feet (4572 mm) or
Exceptions:
more in height shall be protected in an approved manner
1. Aisles in high-piled storage areas exceeding with special fire protection, such as in-rack sprinklers.
2
2,500 square feet (232 m ) in area, that are
open to the public and designated to contain 3207.3 Pile dimension and height limitations. Pile dimen-
high-hazard commodities, and that are pro- sions, the maximum permissible storage height and pile vol-
ume shall be in accordance with Table 3206.2.
tected by a sprinkler system designed for mul-
tiple-row racks of high-hazard commodities, 3207.4 Arrays. Where an automatic sprinkler system design
shall be not less than 44 inches (1118 mm) utilizes protection based on a closed array, array clearances
wide. shall be provided and maintained as specified by the standard
used.

322 2018 INTERNATIONAL FIRE CODE ®
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