1. (a) In display locations where ground excavation or trenching is not feasible, due to un-removable ground conditions such as tar, the commissioner or the fire chief shall allow single fire and reloadable mortars of up to 6 inches in diameter to be buried to ¾ its length in sturdy wooden boxes with partitions, at least 2 feet wide by 3 feet in height filled with clean sand, and provided with 18 inch spacing between mortars or direct that the display location be moved to a site where trenching is feasible.
2. (b) In lieu of using sturdy wooden boxes with partitions, as set forth in (a) above, sturdy 55 gallon steel drums filled with rock-free sand or earth may be used so long as no more than 2 mortars are placed in each drum.

3. (c) The commissioner or fire chief, in determining whether the display location shall be moved to a site where trenching is feasible, shall consider:

   1. (1) Whether there is an area around the proposed display location where trenching is available;
   2. (2) Whether the nearest available trenchable site is adequate to hold the audience for the fireworks display; and
   3. (3) Whether the nearest available trenchable site meets the requirement set forth in Saf-C 5017.

Source. (See Revision Note at Chapter Heading for Saf-C 5000) #6055, eff 7-1-95, EXPIRED: 7-1-03 New. #8117, INTERIM, eff 7-14-04, EXPIRED: 1-10-05 New. #8261, eff 1-21-05; ss by #9765-A, eff 8-2-10; ss by #12124, eff 3-6-17