Section Saf-C 5020.05 - Mortar Rack Mounting(a) Single shot or "finale" mortars may be rack-mounted to adequately constructed wooden racks. Each mortar shall be securely fastened to its rack and each rack securely supported individually and at both ends.(b) Single shot mortars shall comply with the following: (1) Spacing between mortars in a rack shall be at least 1/2 the diameter of the adjacent mortar;(2) Parallel racks or rows of racks shall be no less than 12 inches apart at both the top and bottom of each mortar. The distance shall be measured from outside shell to outside shell of each mortar;(3) Rack mounted single shot mortars may be used in accordance with the provisions of Saf-C 5020.02;(4) Strapping or plywood of an equivalent thickness used to secure mortar racks shall be double nailed or screwed at all connecting points;(5) Mortars of various sizes shall not be intermixed within the same rack; and(6) Mortars of the same size shall be placed in groups, and the groups shall be separated from one another.(c) Prevention of repositioning shall be accomplished by using mortar racks that are designed to withstand a shell exploding in a mortar, causing it to burst.(d) Whenever more than 3 shells are to be chain fused, measures shall be taken to prevent adjacent mortars from being repositioned in the event that a shell explodes in a mortar, causing it to burst.(e) Chain fused mortar racks shall be limited to a maximum of 10 mortars per rack.(f) Racks shall not contain any mortar larger than 6 inches in diameter.(g) Staple guns shall not be permitted to be used to secure quick match that is connected to aerial shells, mines, or comets.N.H. Admin. Code § Saf-C 5020.05
(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
Amended by Volume XXXVII Number 15, Filed April 13, 2017, Proposed by #12124, Effective 3/6/2018, Expires 3/6/2027.