A. All indoor fuel oil storage tanks must be vented to the outside of the building; vent piping must be at least two feet from any opening in the building extending vertically a minimum of two feet above grade and capped with a screened rain hood.
B. Vent for oil storage tanks installed in public buildings must extend ten feet above grade and capped with screened rain hood, a minimum of two feet from any opening.
C. All fuel oil storage tank vent piping shall drain to tank and be free of traps.
D. Fill pipes for fuel oil storage tanks shall be a minimum pipe size of two inches and shall pitch to the tank. Fill pipes on indoor storage tanks shall extend to the outside of the building to a point accessible for filling the tank with fuel oil, not closer than two feet from any opening of the building, unless authorized by the plumbing inspector.
E. All fill pipes shall be equipped with raintight caps that will discourage tampering.
F. All gravity feed tanks shall be equipped with a hard seat shutoff valve at the tank outlet.
G. Oil feedlines from storage tank to burner, both suction and return lines, shall be iron pipe and malleable fittings or copper tubing. Copper tubing may be spliced with sweat coupling and hard type solder with melting point above one thousand degrees Fahrenheit with approved fittings.
H. Suction and return lines, from storage tank to burner, shall be sized to manufacturer's specifications whenever possible.
(Prior code § 14.301(1)).