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limited to City of Paris Code of Ordinance Exhibit 9A Subdivision, IX Design of Improvements, <br />E: Drainage: <br />"Storm sewers, bridges, culverts, inlets, and drainage channels or ditches of a <br />permanent design adequate to carry off such rainfall shall be installed by the <br />subdivider throughout the entire length of the drainage area where the surface <br />drainage traverses the subdivision. The subdivider may construct in lieu of <br />storm sewers suitable drainage channels which shall be of sufficient width, <br />depth and shape to carry off the surface drainage and allow for maintenance <br />operations in keeping such ditches open. All drainage ditches so constructed <br />shall have their sides sloped so as to retard erosions; the flow line of said <br />ditches shall be permanently established by small low flow concrete sections, <br />and the banks of all curves or bends shall be permanently protected to prevent <br />erosion. No open drainage channels shall be constructed within the areas <br />dedicated as public streets and alleys in said subdivision; provided, however, <br />that in cases where utilization of the land of the improved development warrants <br />otherwise, such ditches may be located in the center portion of the street <br />(except at street intersections where culverts or bridges of a permanent design <br />shall be constructed) where a right-of-way not less than eighty (80) feet in width, <br />plus width, for drainage channel, is provided. <br />Computations to determine whether such lots or land will be flooded by rainfall <br />and the size of drainage facilities adequate to prevent flooding shall be based <br />upon the "Rational Method" using the Texas State Highway Department's <br />Frequency of Rainfall for District 1, and a five-year cycle for residential areas, <br />Class 1 & 2, ten-year cycle for apartment areas and mass housing projects, and <br />twenty -five-year cycle for areas of lower zoning classification than residential. <br />No street shall be designed or allowed in any subdivision to carry more surface <br />water than can be carried by the street when the water is running curb deep. <br />All drainage easements over or across adjacent tracts of land that are <br />necessitated by the subdividing of a tract of land shall be secured and furnished <br />to the City by the subdivider." <br />BASIC SITE EVALUATION: <br />As development is proposed, our engineering comments will require runoff on the western and <br />southern borders of Shine in Paris, LLC's property contain curbing or another approved method <br />in advance of their property line fence to keep runoff from traveling into the yards of the addresses <br />mentioned above. They will be required to collect stormwater runoff into properly sized detention <br />