Provided, in addition to the requirements of § 11.06.090.020, 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 (ARM § 36.15.602(4));
(B) Towers and other appurtenant structures are designed and placed to withstand and offer minimal obstruction to flood flows (ARM § 36.15.602(4));
(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 (ARM § 36.15.602(4)).
(Prior Code, § 11.06.090.060) (Ord. 6, passed 3-16-1981; Ord. 2021-15, passed 12-20-2021)