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drainage area, the Rational Method of analysis was used to estimate <br /> storm water discharges for the required storm frequencies. <br /> The design of the total drainage system for both general areas will <br /> provide structures for precipitation events and storm interval fre- <br /> quencies meeting the requirements of local, state and federal regula- <br /> tions and maintain or enhance the surface water quality in the <br /> drainage basin. -The objectives of the design is to provide a system <br /> that will: <br /> a) minimize erosion and sedimentation problems; <br /> b) maintain or enhance the pre-development surface <br /> water quality; <br /> c) - provide an efficient system of drainage of <br /> runoff from specified storm events that is as <br /> economical, efficient and easily maintained <br /> as practicable; and <br /> d) provide a degree of protection to downstream <br /> facilities by detention of peak flows from <br /> severe storms. <br /> • 8 <br />