Laserfiche WebLink
BONESTROO ASSOCIATES ^ 6126361311 07/18/96 16:49 9 :06 W0:145 <br />Task 6 - Develop Wetlands Protection Element <br />1 <br />j <br />a. <br />b. <br />c. <br />d. <br />Obtaio and plot National Wetland Inventory, SCS Hydric Soils, and Mn/DNR <br />Protected Waters maps at half-section scale. Following preparation of composite <br />maps by City Staff, digiti2e these into AutoCAD files. Plot these at half-section <br />and full-city size. <br />Assist City Staff in the classification of waterbodies and wetlands by desirable use <br />Make recommendations for additional field investigation of wetlands and <br />subsequent adjustment of classifications and assist City in establishing a strategy <br />for City Staff to inspect remaining wetlands <br />Prepare wetlands map and waterbodies classification <br />Task 7 - Hydrologic and Hydraulic Modeling <br />a. <br />b. <br />c. <br />Perform hydrologic modeling to develop storm hydrographs <br />1) ImpeAiou.^ areas <br />2) Ultimate land use <br />3) Soil types, tnfil .ation capacitic.s, antecedent moisture conditions <br />4) Precipitation intensity, duration and frequency curves for five-year and 100- <br />ycar storms <br />Perform hydraulic modeling to confirm runoff conveyance and detention facilities <br />1) Subdistricts through system to district outlet <br />2) District through system to watershed outlets <br />3) Compute runoff volumes for routing and ponding <br />Summarize design data in electronic spreadsheet form <br />1) Pond storage volume, high water levels and outflows <br />2) Pipe capacities and sizes <br />3) Channel sizes and locations <br />Task 8 - Develop Water Quality Element <br />a. <br />b. <br />c. <br />d. <br />e. <br />Review existing data on local water quality <br />Perform watci quality uiodcliug <br />Analyze results of modeling and review with City <br />Recommend surface water treatnicnt <br />Recommend monitoring program <br />tl06lVOn>•o