Page 409 - 2018_IFC

AEROSOLS

ties, as defined in NFPA 13 where any of the following for the storage of aerosol products shall comply with Table
conditions are met: 5104.3.1.
1. Base product does not have a fire point where tested TABLE 5104.3.1
in accordance with ASTM D92, and nonflammable NONSEGREGATED STORAGE OF LEVEL 2 AND 3 AEROSOL
b
propellant. PRODUCTS IN GENERAL PURPOSE WAREHOUSES
MAXIMUM NET WEIGHT PER FLOOR (pounds) b
2. Base product does not sustain combustion as tested
AEROSOL Palletized or
in accordance with Appendix H, “Method of Testing LEVEL solid-pile storage Rack storage
for Sustained Combustibility,” in DOTn 49 CFR Unprotected Protected a Unprotected Protected a
Part 173, and nonflammable propellant. 2 2,500 12,000 2,500 24,000
3. Base product contains up to 20 percent by volume 3 1,000 12,000 1,000 24,000
(15.8 percent by weight) of ethanol, isopropyl alco- Combination
hol or a combination thereof in an aqueous mix, and 2 and 3 2,500 12,000 2,500 24,000
nonflammable propellant.
For SI: 1 foot = 304.8 mm, 1 pound = 0.454 kg, 1 square foot = 0.0929 m . 2
4. Base product contains 4 percent by weight or less of a. Approved automatic sprinkler system protection and storage arrangements
an emulsified flammable liquefied gas propellant shall comply with NFPA 30B. Sprinkler system protection shall extend 20
within an aqueous base. The propellant shall remain feet beyond the storage area containing the aerosol products.
emulsified for the life of the product. Where such b. Storage quantities indicated are the maximum permitted in any 50,000-
square-foot area.
propellant is not permanently emulsified, the propel-
lant shall be nonflammable. 5104.3.2 Segregated storage. Storage of Level 2 and 3
aerosol products segregated into areas utilized exclusively
5104.1.2 Plastic aerosol X products. Plastic aerosol X for the storage of aerosol products shall comply with Table
products are those products, in containers larger than 4 5104.3.2 and Sections 5104.3.2.1 and 5104.3.2.2.
fluid ounces (118 ml), that do not meet the criteria pro-
vided in Section 5104.1.1. TABLE 5104.3.2
SEGREGATED STORAGE OF LEVEL 2 AND 3 AEROSOL
5104.1.2.1 Storage, use or handling. The storage, use PRODUCTS IN GENERAL PURPOSE WAREHOUSES
or handling of plastic aerosol X products shall be pro- MAXIMUM
SEGREGATED
hibited. STORAGE AREA a
STORAGE
SPRINKLER
5104.2 Storage in Groups A, B, E, F, I and R. Storage of SEPARATION Percentage Area REQUIREMENTS
Level 2 and 3 aerosol products in occupancies in Groups A, of building limitation
area
B, E, F, I and R shall be limited to the following maximum (percent) (square
feet)
quantities: e, f
Separation area 15 20,000 Notes b, c
1. A net weight of 1,000 pounds (454 kg) of Level 2 aero- Chain-link fence enclosure d 20 20,000 Notes b, c
sol products.
1-hour fire-resistance-rated
2. A net weight of 500 pounds (227 kg) of Level 3 aerosol interior walls 20 30,000 Note b
products.
2-hour fire-resistance-rated 25 40,000 Note b
3. A combined net weight of 1,000 pounds (454 kg) of interior walls
Level 2 and 3 aerosol products. 3-hour fire-resistance-rated
The maximum quantity shall be increased 100 percent interior walls 30 50,000 Note b
where the excess quantity is stored in storage cabinets in
For SI: 1 foot = 304.8 mm, 1 square foot = 0.0929 m . 2
accordance with Section 5704.3.2. a. The maximum segregated storage area shall be limited to the smaller of
5104.2.1 Excess storage. Storage of quantities exceeding the two areas resulting from the percentage of building area limitation and
the area limitation.
the maximum quantities indicated in Section 5104.2 shall
b. Automatic sprinkler system protection in aerosol product storage areas
be stored in separate inside flammable liquid storage shall comply with NFPA 30B and be approved. Building areas not
rooms in accordance with Section 5104.5. containing aerosol product storage shall be equipped throughout with an
approved automatic sprinkler system in accordance with Section
5104.2.2 Aerosol cooking spray products. Storage of
903.3.1.1.
aerosol cooking spray products in A, B, E, F and R occu- c. Automatic sprinkler system protection in aerosol product storage areas
pancies shall not be more than 1,000 pounds (454 kg) net shall comply with NFPA 30B and be approved. Sprinkler system
weight. protection shall extend a minimum 20 feet beyond the aerosol storage
area.
5104.3 Storage in general purpose warehouses. Aerosol d. Chain-link fence enclosures shall comply with Section 5104.3.2.1.
product storage in general purpose warehouses utilized only e. A separation area shall be defined as an area extending outward from the
for warehousing-type operations involving mixed commodi- periphery of the segregated aerosol product storage area as follows.
ties shall comply with Section 5104.3.1, 5104.3.2. or 1. The limits of the aerosol product storage shall be clearly marked on
5104.3.3. the floor.
2. The separation distance shall be not less than 25 feet and maintained
5104.3.1 Nonsegregated storage. Storage consisting of
clear of all materials with a commodity classification greater than
solid pile, palletized or rack storage of Level 2 and 3 aero-
Class III in accordance with Section 903.3.1.1.
sol products not segregated into areas utilized exclusively
f. Separation areas shall only be permitted where approved.
376 2018 INTERNATIONAL FIRE CODE ®
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