Compressed Natural Gas (CNG) motor vehicle fuel-dispensing equipment installation requirements are outlined in 2021 International Fire Code (IFC) Section 2208 – Compressed Natural Gas Motor Fuel-Dispensing Facilities.
IFC 2021, Section 2208.3 – Equipment Location and Protection:
Requires that CNG dispensing equipment be installed at least:
10 feet from property lines
20 feet from public streets, highways, sidewalks, or railroads
10 feet from buildings or structures
Why Other Options Are Incorrect?
A. 40 ft. from trolley wires.
The IFC does not specify a 40-ft requirement for trolley wires in relation to CNG fuel-dispensing equipment.
B. 15 ft. from a public street.
Incorrect because IFC 2208.3 states that the minimum required distance from a public street is 20 feet, not 15 feet.
D. 5 ft. from an undeveloped property line.
Incorrect, as the minimum clearance from any property line is 10 feet, not 5 feet.
✅ Correct Answer: C. 20 ft. from a railroad track.
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