Page 293 - 2018_IFC

MOTOR FUEL-DISPENSING FACILITIES AND REPAIR GARAGES

Where a repair garage includes a motor fuel-dispensing 2311.4.3 Ventilation. Where Class I liquids or LP-gas are
facility, the fuel-dispensing operation shall comply with the stored or used within a building having a basement or pit
requirements of this chapter for motor fuel-dispensing facili- wherein flammable vapors could accumulate, the basement
ties. or pit shall be provided with mechanical ventilation in
2311.2 Storage and use of flammable and combustible liq- accordance with the International Mechanical Code, at a
1
uids. The storage and use of flammable and combustible liq- minimum rate of 1 / cubic feet per minute per square foot
2
2
3
uids in repair garages shall comply with Chapter 57 and (cfm/ft ) [0.008 m /(s • m )] to prevent the accumulation of
2
Sections 2311.2.1 through 2311.2.4. flammable vapors.
2311.2.1 Cleaning of parts. Cleaning of parts shall be 2311.5 Vehicles powered by liquefied petroleum gas (LP-
conducted in listed and approved parts-cleaning machines
in accordance with Chapter 57. gas). Vehicles powered by LP-gas and the servicing of vehi-
cles powered by LP-gas shall be in compliance with this
2311.2.2 Waste oil, motor oil and other Class IIIB liq- chapter, Chapter 61 of this code and NFPA 58.
uids. Waste oil, motor oil and other Class IIIB liquids
shall be stored in approved tanks or containers, which are 2311.6 Vehicles powered by liquefied natural gas (LNG)
allowed to be stored and dispensed from inside repair and compressed natural gas (CNG). LNG vehicles and
garages. CNG vehicles shall comply with Sections 2311.6.1 and
2311.2.2.1 Tank location. Tanks storing Class IIIB liq- 2311.6.2, as applicable.
uids in repair garages are allowed to be located at,
below or above grade, provided that adequate drainage 2311.6.1 Liquefied natural gas (LNG). LNG vehicle fuel
or containment is provided. system pressure shall be measured and recorded prior to
entering the repair facility. The maximum allowable sys-
2311.2.2.2 Liquid classification. Crankcase drainings tem pressure shall be not more than 170 psig (1172 kPa).
shall be classified as Class IIIB liquids unless otherwise
determined by testing. Pressure greater than 170 psig (1172 kPa) shall be reduced
by operating the vehicle or limited venting outdoors, as
2311.2.3 Drainage and disposal of liquids and oil- required.
soaked waste. Garage floor drains, where provided, shall
drain to approved oil separators or traps discharging to a 2311.6.2 Compressed natural gas (CNG). CNG vehicle
sewer in accordance with the International Plumbing fuel system pressure and the ambient temperature shall be
Code. Contents of oil separators, traps and floor drainage measured and recorded prior to entering the repair facility.
systems shall be collected at sufficiently frequent intervals Pressure greater than the indicated maximum pressure in
and removed from the premises to prevent oil from being accordance with Table 2311.6.2 shall be reduced by defu-
carried into the sewers.
eling the vehicle.
2311.2.3.1 Disposal of liquids. Crankcase drainings
TABLE 2311.6.2
and liquids shall not be dumped into sewers, streams or TEMPERATURE COMPENSATED CYLINDER PRESSURE TABLE a
on the ground, but shall be stored in approved tanks or PRESSURE IN FULL 3,600 PSI
o
containers in accordance with Chapter 57 until GAS TEMPERATURE F CNG CONTAINER, psig
removed from the premises.
123.6 4,500
2311.2.3.2 Disposal of oily waste. Self-closing metal 120 4,455
cans shall be used for oily waste.
110 4,272
2311.2.4 Spray finishing. Spray finishing with flammable 100 4,105
or combustible liquids shall comply with Chapter 24.
90 3,936
2311.3 Sources of ignition. Sources of ignition shall not be
located within 18 inches (457 mm) of the floor and shall com- 80 3,768
ply with Chapters 3 and 35. 70 3,600
2311.3.1 Equipment. Appliances and equipment installed 60 3,432
in a repair garage shall comply with the provisions of the 50 3,263
International Building Code, the International Mechani- 40 3,094
cal Code and NFPA 70.
30 2,926
2311.3.2 Smoking. Smoking shall not be allowed in repair 20 2,757
garages except in approved locations.
10 2,589
2311.4 Below-grade areas. Pits and below-grade work areas 0 2,421
in repair garages shall comply with Sections 2311.4.1
through 2311.4.3. -10 2,253
-20 2,086
2311.4.1 Construction. Pits and below-grade work areas
shall be constructed in accordance with the International -30 1,919
Building Code. -40 1,753
2311.4.2 Means of egress. Pits and below-grade work For SI: °C = [(°F) - 32]/1.8, 1 psig = 6.895 kPa.
areas shall be provided with means of egress in accordance a. 3,600 psi service pressure calculated from the standard gas composition
with Chapter 10. used to create the gasoline gallon equivalent (GGE).

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