Section 296-52-69085 - Multiple magazines(1) When two or more storage magazines are located on the same property, each magazine must comply with the minimum quantity of explosives and separation distance requirements for: (a) Magazines (Table H-21);(b) Inhabited buildings, railways, and highways (Table H-20).(2) Distances that do not meet requirements. If the separation distance between two or more magazines is less than the distance required (Table H-21), the magazines must: (a) Be considered one magazine; and(b) Comply with the minimum distance requirements for inhabited buildings, railways, and highways (Table H-20).(3) Distance of grouped magazines to other magazines. Each magazine in a group must comply with minimum magazine distance requirements (Table H-21) in relation to other magazines not considered part of the group.(4) Quantity of explosives.(a) Magazine group. The total quantity of explosives stored in a magazine group (two or more) must: (i) Be considered one magazine; (ii) Not exceed the requirements of Table H-21 for one magazine.(b) Detonator magazine. The quantity of explosives contained in a detonator magazine takes precedence over the minimum magazine distance requirements (Table H-21) when determining the separation distance required between a detonator magazine and magazines that contain other types of explosives.(c) Detonator strength. Strengths of blasting and electric detonators: (i) Up to #8 detonators must be rated as one and one-half pounds of explosives per one thousand detonators;(ii) Detonators greater than #8 must be computed on the combined weight of explosives.Wash. Admin. Code § 296-52-69085
Amended by WSR 17-16-132, Filed 8/1/2017, effective 9/1/2017Statutory Authority: RCW 49.17.010, [49.17].040, and[49.17].050 . 02-03-125, § 296-52-69085, filed 1/23/02, effective 3/1/02.