Provided, in addition to the requirements of § 152.061, that:
(A) Suspended utility transmission lines are designed such that the lowest point of the suspended line is at least six feet higher than the base flood elevation;
(B) Towers and other appurtenant structures are designed and placed to withstand and offer minimal obstruction to flood flows;
(C) Alternatives such as alternative routes, directional drilling, and aerial crossings are considered when technically feasible; and
(D) Utility transmission lines carrying toxic or flammable materials are buried to a depth of at least twice the calculated maximum scour depth determined by an engineer for the base flood.
(Ord. 484, passed 4-20-2015)
Statutory reference:
Related provisions, see ARM § 36.15.602(4)