Page 478 - 2018_IFC

FLAMMABLE AND COMBUSTIBLE LIQUIDS

5705.3.6.2.2 Machine capacities. The quantity of or combustible liquids shall not be conducted in base-
solvent shall not exceed the listed design capacity of ments.
the machine for the solvent being used with the 5705.3.7.3 Fire protection. Rooms or buildings classi-
machine.
fied in accordance with the International Building
5705.3.6.2.3 Solvent quantity limits. Solvent quan- Code as Group H-2 or H-3 occupancies shall be
tities shall be limited as follows: equipped with an approved automatic fire-extinguish-
ing system in accordance with Chapter 9.
1. Machines without remote solvent reservoirs
shall be limited to quantities set forth in Sec- 5705.3.7.4 Doors. Interior doors to rooms or portions
tion 5705.3.5. of such buildings shall be self-closing fire doors in
accordance with the International Building Code.
2. Machines with remote solvent reservoirs using
Class I liquids shall be limited to quantities set 5705.3.7.5 Open systems. Use, dispensing and mixing
forth in Section 5705.3.5. of flammable and combustible liquids in open systems
shall be in accordance with Sections 5705.3.7.5.1
3. Machines with remote solvent reservoirs using through 5705.3.7.5.3.
Class II liquids shall be limited to 35 gallons
(132 L) per machine. The total quantities shall 5705.3.7.5.1 Ventilation. Continuous mechanical
not exceed an aggregate of 240 gallons (908 ventilation shall be provided at a rate of not less than
2
3
L) per control area in buildings not equipped 1 cfm per square foot [0.00508 m /(s • m )] of floor
throughout with an approved automatic sprin- area over the design area. Provisions shall be made
kler system and an aggregate of 480 gallons for introduction of makeup air in such a manner to
(1817 L) per control area in buildings include all floor areas or pits where vapors can col-
equipped throughout with an approved auto- lect. Local or spot ventilation shall be provided
matic sprinkler system in accordance with where needed to prevent the accumulation of haz-
Section 903.3.1.1. ardous vapors. Ventilation system design shall com-
ply with the International Building Code and
4. Machines with remote solvent reservoirs using International Mechanical Code.
Class IIIA liquids shall be limited to 80 gal-
lons (303 L) per machine. Exception: Where natural ventilation can be
shown to be effective for the materials used, dis-
5705.3.6.2.4 Immersion soaking of parts. Work pensed or mixed.
areas of machines with remote solvent reservoirs
shall not be used for immersion soaking of parts. 5705.3.7.5.2 Explosion control. Explosion control
shall be provided in accordance with Section 911.
5705.3.6.2.5 Separation. Multiple machines shall
be separated from each other by a distance of not 5705.3.7.5.3 Spill control and secondary contain-
less than 30 feet (9144 mm) or by a fire barrier with ment. Spill control shall be provided in accordance
a minimum 1-hour fire-resistance rating. with Section 5703.4 where Class I, II or IIIA liquids
are dispensed into containers exceeding a 1.3-gallon
5705.3.6.2.6 Ventilation. Machines shall be located (5 L) capacity or mixed or used in open containers
in areas adequately ventilated to prevent accumula- or systems exceeding a 5.3-gallon (20 L) capacity.
tion of vapors. Spill control and secondary containment shall be
5705.3.6.2.7 Installation. Machines shall be provided in accordance with Section 5703.4 where
installed in accordance with their listings. the capacity of an individual container exceeds 55
gallons (208 L) or the aggregate capacity of multiple
5705.3.7 Rooms or buildings for quantities exceeding containers or tanks exceeds 100 gallons (378.5 L).
the maximum allowable quantity per control area.
Where required by Section 5705.3.5.3 or 5705.3.6.1, 5705.3.7.6 Closed systems. Use or mixing of flamma-
rooms or buildings used for the use, dispensing or mixing ble or combustible liquids in closed systems shall be in
of flammable and combustible liquids in quantities accordance with Sections 5705.3.7.6.1 through
exceeding the maximum allowable quantity per control 5705.3.7.6.3.
area shall be in accordance with Sections 5705.3.7.1 5705.3.7.6.1 Ventilation. Closed systems designed
through 5705.3.7.6.3. to be opened as part of normal operations shall be
provided with ventilation in accordance with Sec-
5705.3.7.1 Construction, location and fire protec-
tion. Rooms or buildings classified in accordance with tion 5705.3.7.5.1.
the International Building Code as Group H-2 or H-3 5705.3.7.6.2 Explosion control. Explosion control
occupancies based on use, dispensing or mixing of shall be provided where an explosive environment
flammable or combustible liquids shall be constructed can occur as a result of the mixing or use process.
in accordance with the International Building Code. Explosion control shall be designed in accordance
with Section 911.
5705.3.7.2 Basements. In rooms or buildings classified
in accordance with the International Building Code as Exception: Where process vessels are designed
Group H-2 or H-3, dispensing or mixing of flammable to contain fully the worst-case explosion antici-

2018 INTERNATIONAL FIRE CODE ® 445
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