Before any person, firm, copartnership, corporation, group, or association shall conduct or sponsor a fireworks display which involves individual fireworks items of more than two grains of pyrotechnic composition, a written request must be directed to the City Police Chief and the Fire Chief for a permit to conduct such a fireworks display, which permit shall be issued, if:
(A) The spectators are kept at least 150 feet from the source of the display; and
(B) Aerial fireworks are directed away from spectators, inhabited and developed areas, and away from other areas where injuries to persons, property, and combustion from falling live or spent fireworks is probable.