Sanitary drainage system

plumbing system

water supply pipings to and from the building

drainage system

conveys liquid waste to points of disposal

sanitary drainage

piping that conveys waterborne wastes from plumbing fixtures

stack

any vertical piping

soil pipe

pipe that conveys liquid matter containing fecal remnants

soil stack

pipe that conveys discharge of water closets or similar fixtures

waste pipe

any piping that carries liquid waste free of fecal matter

branch

any other piping other than main, riser or stack

building/house drain

horizontal piping that carries excrement out of the building to the sewer

building/house sewer

connects discharge of building to the main or public sewer

sewage

liquid waste containing animal and/or vegetable matter

drainage fittings

special type of fittings used in drainage system

deadend

any end part of a piping system, commonly a cap

drain

a pipe that carries waterborne wastes

min drain pipe size of Bathtub, Bidet, Sink, Wash basin, in sets

38 1 1/2

min drain pipe size of Floor drain, Shower, and Sink, service

51 2

min drain pipe size of Water closet

76 3

min drain pipe size of Wash basin (lavatory), single

32 1/2

horizontal drainage piping shall provide a cleanout

each run of piping which is more than 15 meters in total developed length

cleanouts to be omitted every

1.5m in length

An additional cleanout shall be provided on a horizontal line with an aggregate offset angle of direction exceeding

135 degrees

every cleanout shall be installed

to the direction of flow

each cleanout in piping 51 mm or less shall be installed

clearance for not less that 305mm

fixture drain or trap size 32

1

fixture drain or trap size 38

2

fixture drain or trap size 50

3

fixture drain or trap size 65

4

fixture drain or trap size 75

5

fixture drain or trap size 5100

6

Trap

a fitting/device that provides a liquid seal to prevent emission of sewer gases

trap seal

vertical distance between top dip and crown weir of a trap

dip

lowest portion

crown weir

highest point

P trap

drum trap

running trap

grease trap

s trap