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Chapter 4-Site-Sc /natal Storm Water BMPs • <br />Advantages of Storm Water Conveyances (Channels/Gutters/Drains/Sewers) <br />• Direct storm water flows around industrial areas <br />• Prevent temporary flooding of industrial site <br />• Require low maintenance <br />• Provide erosion resistant conveyance of storm water runoff <br />• Provide long-term control of storm water flows <br />Disadvantages of Storm Water Conveyances (Channels/Gutters/Drains/Sewers) <br />• Once flows are concentrated in storm water conveyances, they must be routed through <br />stabilized structures all the way to their discharge to the receiving water or treatment plant <br />to minimize erosion <br />• May increase flow rates <br />• May be impractical if there are space limitations <br />• May not be economical, especially for small facilities or after a site has already been <br />constructed <br />• <br />• <br />r? <br />U <br />4-6