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Sanitary Drainage Systems

The purpose of the sanitary drainage system is to remove effluent discharged from plumbing fixtures and other equipment.

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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 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.

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Septic Systems

Septic systems handles waste from drain systems.

Sewer Pipes - Capacities vs. Slope

Carrying capacities of sewer and wastewater pipes - gpm and liter per second.

Stormwater Conductors

Roof drain capacities.

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.

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Unit Converters

Temperature

oC
oF


Load Calculator!

Length

m
km
in
ft
yards
miles
naut miles


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Area

m2
km2
in2
ft2
miles2
acres


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Volume

m3
liters
in3
ft3
us gal


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Weight

kgf
N
lbf


Load Calculator!

Velocity

m/s
km/h
ft/min
ft/s
mph
knots


Load Calculator!

Pressure

Pa (N/m2)
bar
mm H2O
kg/cm2
psi
inches H2O


Load Calculator!

Flow

m3/s
m3/h
US gpm
cfm


Load Calculator!

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