§ 1140. Drainage system guidelines.

Stormwater conveyance facilities that may include, but are not limited to, culverts, stormwater drainage pipes, catch basins, drop inlets, junction boxes, headwalls, gutter, swales, channels, ditches and energy dissipaters shall be provided when necessary for the protection of public right-of-way and private property adjoining project sites. Existing or proposed stormwater conveyance facilities designed to carry runoff from more than one parcel shall meet the following requirements:

(a)

Methods to calculate stormwater flows shall be in accordance with the GSMM;

(b)

All culverts, pipe systems and open channel flow systems shall be sized in accordance with the stormwater management plan using methods contained in the GSMM; and

(c)

Design and construction of stormwater conveyance facilities shall be in accordance with the criteria and specifications found in the GSMM.

(Ord. No. 17-003 , § 1, 10-2-2017)