Stormwater Management exam questions fully solved & updated 2024

Stormwater management goals -reduce peak flow rate -reduce runoff volume -zero runoff -stormwater quality controls Stormwater mangement methods -surface infiltration -rooftop storage -porous pavements -subsurface disposal -stormwater detention -parking lot ponding -blue-green detention -flow regulators -rainwater harvesting Porous pavements -grasscrete -monoslabs -porous asphalt/pavement Subsurface disposal -recharge basins -percolation trenches Stormwater retention Permanent storage in ponds, lakes Stormwater detention Storage with subsequent slow release to storm sewers, open watercourses, and groundwater percolation Detention products -corrugated metal pipe -concrete vaults -plastic media Blue-green detention storage in open channels or natural watercourses (Parks, drainage ditches) What are the mechanical devices to control rate of flow in detention facilities? -hydrobrake (dissipate energy) -stormgate Stormwater filters -vortfilter -MFS