Easement and/or dedicated land shall be provided as described for the following cases or as otherwise required by the City. Certain restrictions may apply as defined by the City.
(a) Easements for Closed Conduits and Appurtenances. An easement of no less than twenty feet in width and sufficient to contain and maintain the closed conduits shall be dedicated on the final map of the subdivision as follows:
"Public Drainage Easement"
Drainage easements for closed conduits shall not traverse a building site and shall, insofar as possible, be placed along or adjacent to lot boundary lines in a straight alignment without angle points.
(b) Easement along Channels. Whenever any open channel or important surface drainage course (as defined by the City) is located within the area being developed, the owner/developer shall provide a permanent easement of sufficient width dedicated to the proper authority for the purpose of widening, deepening, relocating, improving, or protecting the channel for drainage or public use.
(c) Dedications/Easements for Detention/Retention Facilities. Lands encompassing detention/retention facilities that are constructed for residential or industrial subdivisions shall be dedicated to the City to provide for the proper function and maintenance of the facility. This does not apply to facilities on sites having single owners. Approved easements having sufficient width for access to the dedicated lands shall be provided on the final plat.