Sanitary Drainage Systems
The purpose of the sanitary drainage system is to remove effluent discharged from plumbing fixtures and other equipment.
DFU - Drainage Fixture Units
DFU are used to calculate the drainage flow from fixtures and the required capacities of sewer service systems.
ASTM B306 Copper Tubes for Drain, Waste and Vent - Dimensions and Working Pressures
Dimensions of copper tubes ASTM B306 Drain Waste and Vent - DWV.
California Pipe Flow Metering Method
Calculate the discharge length from the open end of a partially filled horizontal pipe.
Cast Iron Soil Pipes - Dimensions
Dimensions of cast iron soil pipes.
Drain Pipes and Vent Stacks
Drain pipes and vent stack sizing.
Drain Waste and Vent Pipes - Hanger Spacing
Support of Drain Waste and Vent - DWV - pipes.
Drains and Sewers - Capacities vs. Size
Drainage Fixture Units (DFU) connected to building drains and sewers.
Epoxy Pipes - Support Spacing
Support spacing for reinforced Epoxy fiberglass pipes.
Horizontal Drainage Pipe - Required Slopes
Minimum pitch of horizontal drainage pipes.
Horizontal Storm Drain Piping
Capacities of horizontal storm drain piping systems.
Legionella
The Legionella Pneumophila bacterium thrives in water supply systems and air conditioning systems - and may cause the Legionnairs disease.
Plumbing Codes
Plumbing or sanitation codes are a set of rules and regulations imposed by cities, counties or states.
Rainfall Draining of Roof Areas and Vertical Downspouts
Capacities of vertical downspouts when draining roof areas in rainfall.
Rainfall on Roofs and Gutter Slopes
Draining of roof areas and recommended gutter slopes
Rainfall Units Converter
Convert between different rainfall or storm-water units
Riser Diagrams
Plumbing sanitary and water riser diagram - example.
Sanitary Drainage Systems - Volume Flow
Calculate expected volume flow load in sanitary drainage systems.
Sanitary Piping - Drainage Fixtures Unit Loads
Maximum Drainage Fixture Unit - DFU - loads in sanitary piping systems.
Septic Systems
Septic systems handles waste from drain systems.
Sewage Sludge Viscosity
Viscosity of sewage sludge vs. content of solids.
Sewer Pipes - Capacities vs. Slope
Carrying capacities of sewer and wastewater pipes - gpm and liter per second.
Storm-Water Conductors
Roof drain capacities.
Storm-Water Runoff Coefficients
Storm-water runoff coefficients for various surfaces
Waste Water Piping - Flow Capacities vs. Dimensions
In sewage piping and pumping systems the fluid flow rate must be kept within certain limits to avoid operating problems.
Water Supply - Cross-Contamination Control
It is fundamental to keep the potable water in the water supply systems uncontaminated.
