Provided, in addition to the requirements of § 11.06.090.020, that the design is reviewed and approved by an engineer and includes:
(A) Measures to minimize potential erosion from a base flood (ARM § 36.15.603(3)(b)); and
(B) Designs and plans that demonstrate any permanent structure in the stream is designed to safely withstand up to the base flood considering the forces associated with hydrodynamic and hydrostatic pressures, including flood depths, velocities, impact, ice buoyancy and uplift forces associated with the base flood (ARM § 36.15.603(3)(c); 44 C.F.R. § 60.3(a)(3), (d)(3)).
(Prior Code, § 11.06.090.120) (Ord. 6, passed 3-16-1981; Ord. 2021-15, passed 12-20-2021)