Section R650-218-2 - Acceptable Means of Backfire Flame Control(1) A backfire flame arrester that complies with, and is appropriately marked as, SAE J-1928 or UL1111, and that is secured to the engine's air intake with a flame-tight connection, is an acceptable means of backfire flame control.(2)(a) An engine air and fuel induction system that provides adequate protection from the propagation of backfire flame to the atmosphere equivalent to that proved by an acceptable backfire flame arrester is an acceptable means of backfire flame control.(b) A vessel owner or operator shall ensure a gasoline engine utilizing an air and fuel induction system that is operated without an approved backfire flame arrester includes a reed valve assembly, unless the air and fuel induction system is installed in accordance with SAE J-1928 or other standard specified by the Commandant of the United States Coast Guard.(3)(a) An arrangement of the carburetor or engine air induction system that will disperse any flames caused by engine backfire is an acceptable means of backfire flame control.(b) A vessel owner or operator shall ensure that any flame dispersed to the atmosphere outside the vessel is dispersed in such a manner that the flames will not endanger the vessel, persons on board, or nearby vessels and structures.(c) A vessel owner or operator may achieve proper flame dispersion by attaching the induction system to the carburetor or location of the engine air induction system.(d) A vessel owner or operator shall ensure that any attachment made pursuant to Subsection (3)(c) is of metallic construction with flame-tight connections and that the attachment is firmly secured to withstand vibration, shock, and engine backfire.(4) A vessel owner or operator shall ensure an engine air induction system used on a vessel with an integrated engine vessel design is approved, marked, and tested as specified by the Commandant of the United States Coast Guard.Utah Admin. Code R650-218-2
Adopted by Utah State Bulletin Number 2024-02, effective 1/9/2024