Buried or suspended utility transmission lines may be permitted; provided 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) When technically feasible, the crossing will not disturb the bed and banks of the stream and alternatives such as alternative routes, directional drilling and aerial crossings are considered; 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. 2013-01, passed 1-30-2013)
Statutory reference:
Uses requiring permits, see ARM 36.15.602(4)