OAR 837-012-0875: Mortar Racks for Barge Displays

(1) Mortar racks must be constructed in a thorough manner to be capable of holding multiple mortars in position during normal functioning. (2) Mortar racks that are not inherently stable must be secured or braced to stabilize them. Stabilization may be accomplished by using stakes, legs, A-frames, side-boards, or equivalent means. Inherently stable means if the base of the rack, before being loaded with fireworks, were tipped 50 degrees from the horizontal in any direction, it would then return to the horizontal position. (3) Mortar racks must be oriented, angled, or oriented and angled in such a way to maximize spectator safety.