Design a shore river intake system in a cold climate. Provide the minimum number of ports. The design conditions are: Winter design fl ow rate 4,300 m 3 /d Minimum river elevation held constant by lock and dam system 99.0 m 500-year fl ood elevation 113.3 m River bottom elevation 90.4 m Assume a muck bottom Trash rack: 2 cm diameter; 8 cm between bars Specify the following: Number and location of intake ports Spacing of the ports Depth of lowest port Depth of top port Dimensions of a port Provide a sketch of the following: Intake tower with elevations of ports, reservoir elevations, and lake bottom elevation