Typical storm-water runoff coefficients for various surfaces:
|Gardens, lawns, parks||0.05 - 0.25|
|Pavements, inferior block||0.40 - 0.50|
|Pavements, stone or brick||0.75 - 0.80|
|Pavements, asphalt||0.85 - 0.90|
|Roads, gravel||0.15 - 0.30|
|Roadways, macadamized||0.25 - 0.60|
|Roofs||0.70 - 0.95|
|Walks, gravel||0.15 - 0.30|
The purpose of the sanitary drainage system is to remove effluent discharged from plumbing fixtures and other equipment.
Dimensions of Poly(Vinyl Chloride) (PVC) Sewer Pipes with belled end.
Properties like freezing point, viscosity, specific gravity and specific heat of ethylene glycol based heat-transfer fluids, or brines.
Minimum pitch of horizontal drainage pipes.
Capacities of horizontal storm drain piping systems.
Calculate cross-sectional average velocity flow in open channels.
Capacities of vertical downspouts when draining roof areas in rainfall.
Draining of roof areas and recommended gutter slopes
Convert between different rainfall or storm-water units
Carrying capacities of sewer and wastewater pipes - gpm and liter per second.