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3.2 <br /> <br />3.2.1 <br /> <br />3.2.2 <br /> <br />3.3 <br /> <br />3.3.1 <br /> <br />3.3-2 <br /> <br />3.3.3 <br /> <br />3.3.4 <br /> <br />Hydrologic System <br /> <br />Existing Drainage System <br /> <br />Prepare AutoCAD overlay of City base map identifying the existing <br />storm water conveyance system based upon information provided <br />in the original Plan and City records. <br /> <br />Wetland Delineation <br /> <br />Review and update existing wetlands map and prepare AutoCAD <br />overlay of City base map showing the location of all DNR and <br />COE designated wetlands and waterbodies. <br /> <br />Drainage System Analysis <br /> <br />Model Existing System <br /> <br />Conduct computer analysis of existing conveyance and storage <br />system under existing land use conditions to identify any current <br />or potential deficiencies. It is assumed that copies of the computer <br />models used for the original Plan will not be available for our use. <br /> <br />Model Future System <br /> <br />Conduct computer analysis of conveyance and storage system under <br />future land use conditions to identify necessary conveyance and <br />mitigation measures. <br /> <br />Develop Mitigation Measures <br /> <br />Develop future storm water management practices and facilities <br />necessary for mitigation considering pertinent regulations and <br />guidelines and recommendations of original Plan. <br /> <br />Model Future System with Mitigation <br /> <br />Conduct computer analysis of future conditions with recommended <br />mitigation measures to evaluate system performance. Determine <br />normal water level (NWL), ordinary high water level (OHW), <br />discharge rates and pond volumes for all existing and proposed <br />facilities under future conditions. <br /> <br />~12138 <br /> <br /> <br />