Twenty-five feet from any structures with fire-resistive exterior walls or sprinkler buildings of other construction, but not less than 1/2 the height of adjacent side wall of the structure.
At least 10 feet from any opening in adjacent walls of fire resistive structures. Spacing from such structures shall be adequate to permit maintenance, but shall not be less than 1 foot.
For capacities up to 1,000 gallons, 50 feet. For capacities of 1,001 gallons or more, 90 feet.
Fifty feet from solid materials which burn rapidly, such as excelsior or paper.
Twenty-five feet from solid materials which burn slowly, such as coal and heavy timber.
Seventy-five feet in one direction and 35 feet in approximately 90° direction from confining walls (not including firewalls less than 20 feet high) to provide adequate ventilation in courtyards and similar confining areas.
Twenty-five feet from congested areas such as offices, lunchrooms, locker rooms, time clock areas, and similar locations where people may congregate.