§ 21-53. Drainage impact statement.

(a)

A drainage impact statement shall be submitted prior to the approval and commencement of construction for any alteration or improvement of natural or existing drainage involving an area of more than one (1) acre in size, and, for any drainage works or facilities which are accepted, owned, operated and maintained by the parish police jury.

(b)

The drainage impact statement and request for project approval shall be presented to the parish police jury on forms furnished by it and may include, but not be limited to, plans in duplicate drawn to scale clearly showing the nature, location, dimensions, and elevations of the proposed project or construction including landscape alterations, watercourses, existing structures, and, existing and proposed drainage facilities. Additionally, the following information is required:

(1)

Elevations in relation to mean sea level.

(2)

Description of the extent to which any watercourse, reservoir or floodway will be altered or relocated as a result of the proposed construction.

(3)

Description of the impact which the proposed construction would have on storm drainage and flooding conditions in upstream and downstream areas.

(4)

Drainage calculations to substantiate the adequacy of all major components of a storm drainage system which are required to transfer runoff to a receiving stream, channel or discharge point.

(5)

Copies of all federal, state, and other local permits and certifications applicable to the proposed project.

(6)

Written certification by a registered professional engineer that, to the best of his knowledge and belief, the proposed project will not adversely damage or impact upstream or downstream property owners or segments of the drainage system except as noted or stated in the drainage impact statement.

(Ord. No. 7944, 3-11-85)