§ 33-7.4.2. Design standards.

The design of the storm drainage system shall be done in accordance with the Jefferson Parish Subdivision Public Improvements Standards Manual. The public works director must grant exceptions to these requirements in writing. The use of stormwater BMPs is encouraged for all development and in accordance with section 33-6.26 of this UDC.

(1)

On-site stormwater detention or retention basins shall be required where needed to protect public or private property from increased volumes or velocity of stormwater runoff.

(2)

Erosion and sedimentation controls shall be required during and after new construction as needed to prevent increased erosion or increased deposits of material downstream from the development.

(3)

Stormwater systems shall be designed to minimize future operational and maintenance expenses. All stormwater facilities shall be underground unless the engineering director determines that open facilities are more appropriate.

(Ord. No. 24989 , § VII, 8-12-15; Ord. No. 25405 , § 39, 8-9-17)