The plumbing system installed in the building has two main objectives to be served. They are:
- 1. Supply of water for the human use
- 2. To get rid of human waste
The plumbing system of a building will include the water distribution pipes, the fixture and the fixture traps, the waste, soil and the vent pipes, the building drain and building sewer, storm drainage system with their connected devices, connections and appurtenances within the building and outside, that is within the property line.
The figure-1 shows the basic plumbing system arrangement.