(1) The Plan Commission shall not approve any subdivision which does not make adequate provision for storm or flood water runoff channels or basins.
(2) The storm water drainage system shall be separate and independent of any sanitary sewer system.
(3) Storm sewers, where required, shall be designed by the rational method, or other methods as approved by the Town Engineer, and a copy of the design computations shall be submitted along with the construction plans.
(4) Inlets shall be provided so that surface water is not carried across or around any intersection, nor for a distance of greater that 400 feet on local streets, 300 feet on collector streets, and as indicated by approved calculations submitted to the Town Engineer based upon a ten year design storm and maximum spread as provided by the Town Engineer on arterial streets. Additional inlets shall be required when encroachment of storm water into the street disrupts traffic under the ten year design storm.
(5) The subdivider shall provide a grading plan at a maximum scale of one inch = 60 feet showing surface water drainage patterns on each lot and street.
(6) The subdivider shall provide storm water conveyance facilities in accordance with the town standards, Ord. 17-97, “Drainage and Erosion Control Ordinance” as codified in §§ 54.01 through 54.15 of this code of ordinances, and the Storm Water Drainage Manual by Christopher B. Burke, Highway Extension and Research Project for Indiana Counties and Cities, School of Engineering, Purdue University, West Lafayette, Indiana.
(Ord. 22-97, passed - -1997; Ord. 4-2000, passed - -2000)