The purpose of the sanitary drainage system is to remove effluent discharged from plumbing fixtures and other equipment.
DFU are used to calculate the drainage flow from fixtures and the required capacities of sewer service systems.
Dimensions of copper tubes ASTM B306 Drain Waste and Vent - DWV.
Calculate the discharge length from the open end of a partially filled horizontal pipe.
Dimensions of cast iron soil pipes.
Drain pipes and vent stack sizing.
Support of Drain Waste and Vent - DWV - pipes.
Drainage Fixture Units (DFU) connected to building drains and sewers.
Support spacing for reinforced Epoxy fiberglass pipes.
Minimum pitch of horizontal drainage pipes.
Capacities of horizontal storm drain piping systems.
The Legionella Pneumophila bacterium thrives in water supply systems and air conditioning systems - and may cause the Legionnairs disease.
Plumbing or sanitation codes are a set of rules and regulations imposed by cities, counties or states.
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
Plumbing sanitary and water riser diagram - example.
Calculate expected volume flow load in sanitary drainage systems.
Maximum Drainage Fixture Unit - DFU - loads in sanitary piping systems.
Septic systems handles waste from drain systems.
Viscosity of sewage sludge vs. content of solids.
Carrying capacities of sewer and wastewater pipes - gpm and liter per second.
Roof drain capacities.
Storm-water runoff coefficients for various surfaces
In sewage piping and pumping systems the fluid flow rate must be kept within certain limits to avoid operating problems.
It is fundamental to keep the potable water in the water supply systems uncontaminated.