Design a swale to convey a runoff of 60 ft3/s at a slope of 3%. The grassed swale will be located on Karst soil which is easily erodible and covered with Reed Canarygrass. The roughness coefficient is 0.05. No stormwater treatment (water quality check) is required. Show all the calculations to

Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter16: Highway Drainage
Section: Chapter Questions
Problem 10P
Question

Design a swale to convey a runoff of 60 ft3/s at a slope of 3%. The grassed swale

will be located on Karst soil which is easily erodible and covered with Reed Canarygrass. The roughness

coefficient is 0.05. No stormwater treatment (water quality check) is required. Show all the calculations to

 

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