Page 410 - 2018_IFC

AEROSOLS

5104.3.2.1 Chain-link fence enclosures. Chain-link 5104.4.3 Rack storage aisles. Rack storage shall be
fence enclosures required by Table 5104.3.2 shall com- arranged with a minimum aisle width of 8 feet (2438 mm)
ply with the following: between rows of racks and 8 feet (2438 mm) between
racks and adjacent solid pile or palletized storage. Where
1. The fence shall be not less than No. 9 gage steel
wire, woven into a maximum 2-inch (51 mm) early suppression fast-response (ESFR) sprinklers provide
diamond mesh. automatic sprinkler protection, the minimum aisle width
shall be 4 feet (1219 mm).
2. The fence shall be installed from the floor to the 5104.4.4 Combustible commodities. Combustible com-
underside of the roof or ceiling above.
modities other than flammable and combustible liquids
3. Class IV and high-hazard commodities shall be shall be permitted to be stored in an aerosol product ware-
stored outside of the aerosol storage area and not house.
less than 8 feet (2438 mm) from the fence.
Exception: Flammable and combustible liquids in 1-
4. Access openings in the fence shall be provided quart (946 ml) metal containers and smaller shall be
with either self- or automatic-closing devices or a permitted to be stored in an aerosol product warehouse.
labyrinth opening arrangement preventing aero- 5104.5 Storage in inside flammable liquid storage rooms.
sol containers from rocketing through the access Inside flammable liquid storage rooms shall comply with
openings. Section 5704.3.7. The maximum quantities of aerosol prod-
5. Not less than two means of egress shall be pro- ucts shall comply with Section 5104.5.1 or 5104.5.2.
vided from the fenced enclosure. 5104.5.1 Storage rooms of 500 square feet or less. The
5104.3.2.2 Aisles. The minimum aisle requirements for storage of aerosol products in flammable liquid storage
2
segregated storage in general purpose warehouses shall rooms less than or equal to 500 square feet (46 m ) in area
comply with Table 5104.3.2.2. shall not exceed the following quantities:
TABLE 5104.3.2.2 1. A net weight of 1,000 pounds (454 kg) of Level 2
SEGREGATED STORAGE AISLE WIDTHS AND DISTANCE TO aerosol products.
AISLES IN GENERAL PURPOSE WAREHOUSES 2. A net weight of 500 pounds (227 kg) of Level 3
MAXIMUM aerosol products.
MINIMUM DISTANCE FROM
STORAGE CONDITION
AISLE WIDTH (feet) STORAGE TO 3. A combined net weight of 1,000 pounds (454 kg) of
AISLE (feet) Level 2 and 3 aerosol products.
Solid pile or 4 feet between piles 25 5104.5.2 Storage rooms greater than 500 square feet.
palletized a The storage of aerosol products in flammable liquid stor-
4 feet between racks and age rooms greater than 500 square feet (46 m ) in area
2
Racks with ESFR
a
sprinklers adjacent Level 2 and 3 25 shall not exceed the following quantities:
aerosol product storage
1. A net weight of 2,500 pounds (1135 kg) of Level 2
8 feet between racks and aerosol products.
Racks without ESFR
a
sprinklers adjacent Level 2 and 3 25 2. A net weight of 1,000 pounds (454 kg) of Level 3
aerosol product storage
aerosol products.
For SI: 1 foot = 304.8 mm. 3. A combined net weight of 2,500 pounds (1135 kg)
a. Sprinklers shall comply with NFPA 30B.
of Level 2 and 3 aerosol products.
5104.3.3 Aerosol cooking spray products. Solid pile, The maximum aggregate storage quantity of Level 2
palletized or rack storage of aerosol cooking spray prod- and 3 aerosol products permitted in separate inside storage
ucts in a general purpose warehouse shall not be more than rooms protected by an approved automatic sprinkler sys-
2,500 pounds (1135 kg) net weight, unless protected in tem in accordance with NFPA 30B shall be 5,000 pounds
accordance with NFPA 30B.
(2270 kg).
5104.4 Storage in aerosol product warehouses. The total 5104.6 Storage in liquid warehouses. The storage of Level
quantity of Level 2 and 3 aerosol products in a warehouse uti- 2 and 3 aerosol products in liquid warehouses shall comply
lized for the storage, shipping and receiving of aerosol prod- with NFPA 30B. The storage shall be located within segre-
ucts shall not be restricted in structures complying with gated storage areas in accordance with Section 5104.3.2 and
Sections 5104.4.1 through 5104.4.4. Sections 5104.6.1 through 5104.6.3.
5104.4.1 Automatic sprinkler system. Aerosol product 5104.6.1 Containment. Spill control or drainage shall be
warehouses shall be protected by an approved wet-pipe provided to prevent the flow of liquid to within 8 feet
automatic sprinkler system in accordance with NFPA 30B. (2438 mm) of the segregated storage area.
Sprinkler protection shall be designed based on the highest 5104.6.2 Sprinkler design. Sprinkler protection shall be
classification level of aerosol product present.
designed based on the highest level of aerosol product
5104.4.2 Pile and palletized storage aisles. Solid pile and present.
palletized storage shall be arranged so the maximum travel 5104.6.3 Opening protection into segregated storage
distance to an aisle is 25 feet (7620 mm). Aisles shall have areas. Fire doors or gates opening into the segregated stor-
a minimum width of 4 feet (1219 mm).

2018 INTERNATIONAL FIRE CODE ® 377
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