Page 479 - 2018_IFC

FLAMMABLE AND COMBUSTIBLE LIQUIDS

pated within the vessel under process conditions 5705.4 Solvent distillation units. Solvent distillation units
considering the most likely failure. shall comply with Sections 5705.4.1 through 5705.4.9.
5705.3.7.6.3 Spill control and secondary contain- 5705.4.1 Unit with a capacity of 60 gallons or less. Sol-
ment. Spill control shall be provided in accordance vent distillation units used to recycle Class I, II or IIIA liq-
with Section 5703.4 where flammable or combusti- uids having a distillation chamber capacity of 60 gallons
ble liquids are dispensed into containers exceeding a (227 L) or less shall be listed, labeled and installed in
1.3-gallon (5 L) capacity or mixed or used in open accordance with Section 5705.4 and UL 2208.
containers or systems exceeding a 5.3-gallon (20 L)
Exceptions:
capacity. Spill control and secondary containment
shall be provided in accordance with Section 5703.4 1. Solvent distillation units used in continuous
where the capacity of an individual container through-put industrial processes where the source
exceeds 55 gallons (208 L) or the aggregate capacity of heat is remotely supplied using steam, hot
of multiple containers or tanks exceeds 1,000 gal- water, oil or other heat transfer fluids, the tem-
lons (3785 L). perature of which is below the auto-ignition point
of the solvent.
5705.3.8 Use, dispensing and handling outside of build-
ings. Outside use, dispensing and handling shall be in 2. Approved research, testing and experimental pro-
accordance with Sections 5705.3.8.1 through 5705.3.8.4. cesses.
Dispensing of liquids into motor vehicle fuel tanks at 5705.4.2 Units with a capacity exceeding 60 gallons.
motor fuel-dispensing facilities shall be in accordance Solvent distillation units used to recycle Class I, II or IIIA
with Chapter 23. liquids, having a distillation chamber capacity exceeding
60 gallons (227 L) shall be used in locations that comply
5705.3.8.1 Spill control. Outside use, dispensing and with the use and mixing requirements of Section 5705 and
handling areas shall be provided with spill control as other applicable provisions in this chapter.
set forth in Section 5703.4.
5705.4.3 Prohibited processing. Class I, II and IIIA liq-
5705.3.8.2 Location on property. Dispensing activi- uids that are classified as unstable (reactive) shall not be
ties that exceed the quantities set forth in Table processed in solvent distillation units.
5705.3.8.2 shall not be conducted within 15 feet (4572
mm) of buildings or combustible materials or within 25 Exception: Appliances listed for the distillation of
feet (7620 mm) of building openings, lot lines, public unstable (reactive) solvents.
streets, public alleys or public ways. Dispensing activi- 5705.4.4 Labeling. A permanent label shall be affixed to
ties that exceed the quantities set forth in Table the unit by the manufacturer. The label shall indicate the
5705.3.8.2 shall not be conducted within 15 feet (4572 capacity of the distillation chamber, and the distance the
mm) of storage of Class I, II or III liquids unless such unit shall be placed away from sources of ignition. The
liquids are stored in tanks that are listed and labeled as label shall indicate the products for which the unit has
2-hour protected tank assemblies in accordance with been listed for use or refer to the instruction manual for a
UL 2085. list of the products.
Exceptions:
TABLE 5705.3.8.2
1. The requirements shall not apply to areas MAXIMUM ALLOWABLE QUANTITIES FOR
where only the following are dispensed: Class DISPENSING FLAMMABLE AND COMBUSTIBLE
a, b
III liquids; liquids that are heavier than water; LIQUIDS IN OUTDOOR CONTROL AREAS
water-miscible liquids; and liquids with vis- CLASS OF LIQUID QUANTITY (gallons)
cosities greater than 10,000 centipoise (cp) (10 Flammable
Pa · s). Class IA 10
2. Flammable and combustible liquid dispensing Class IB 15
20
in refineries, chemical plants, process facili- Class IC 30 c
ties, gas and crude oil production facilities and Combination Class IA, IB and IC
oil-blending and packaging facilities, termi- Combustible
nals and bulk plants. Class II 30
80
5705.3.8.3 Location of processing vessels. Processing Class IIIA 3,300
vessels shall be located with respect to distances to lot Class IIIB
lines that can be built on in accordance with Table For SI: 1 gallon = 3.785 L.
5705.3.4(1). a. For definition of “Outdoor Control Area,” see Section 202.
b. The fire code official is authorized to impose special conditions regarding
Exception: In refineries and distilleries.
locations, types of containers, dispensing units, fire control measures and
5705.3.8.4 Weather protection. Weather protection other factors involving fire safety.
for outdoor use shall be in accordance with Section c. Containing not more than the maximum allowable quantity per control
5005.3.9. area of each individual class.

446 2018 INTERNATIONAL FIRE CODE ®
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