2019-0117
INTRODUCED BY: LARRY COCHRAN, PARISH PRESIDENT
(DEPARTMENT OF PLANNING AND ZONING)
ORDINANCE NO. ___________
Title
An ordinance to amend the St. Charles Parish Code of Ordinances, Appendix C. St. Charles Parish Subdivision Regulations of 1981, Section IV. Design standards. Paragraph D. Drainage. 2. Roadside Drainage. a. Subsurface Drainage to specify a certain type of stormwater inlet for roadside drainage.
Body
WHEREAS, a high-capacity curb inlet is effective for collecting stormwater at the roadside; and,
WHEREAS, the Public Works Department recommends that the St. Charles Parish Subdivision regulations be revised to require high-capacity curb inlets in new subdivisions; and,
WHEREAS, the Public Works Department recommends adding the following sentence to Section IV, Paragraph D.2.a of the St. Charles Parish Subdivision regulations: "The type of catch basin shall be a curb inlet as manufactured by East Jordan Iron Works, Model V-4302, or approved equal"; and,
WHEREAS, the St. Charles Parish Council wishes to enact standards that are easy to understand and help improve stormwater drainage.
THE ST. CHARLES PARISH COUNCIL HEREBY ORDAINS:
SECTION I. That the Code of Ordinances, Appendix C. Section IV. Design standards. Paragraph D. Drainage. 2. Roadside Drainage. a. Subsurface Drainage. is hereby amended as follows, with additional text in underline and deleted text in strikethrough:
a. Subsurface Drainage. Catch basins shall be spaced to limit the spread of water to four (4) feet into the roadway during the design storm and to limit the maximum flow entering them to one point five (1.5) cubic feet per second in subsurface curb and gutter drainage systems. The maximum spacing of catch basins shall be 60 feet unless modified by the Director of Public Works based on drainage impact analysis. Where curb and gutter is not used the spacing between inlets will not be greater than forty (40) feet apart, unless modified by the Director of Public Work...
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