The building drain is the part of the lowest horizontal piping of a drainage system which receives the discharge from soil, waste and other drainage pipes inside the walls of the building and conveys it to the building sewer beginning one meter outside the building wall.
- One or more building drain ventilating pipes should always be incorporated in a drainage system and the diameter shall not be less than 75 mm.
- Building drain – refers to the lowest horizontal pipe of a drainage system which receives the discharge from soil, waste and other drainage pipes inside the walls of the building. It extends for up to 1 meter from building and discharges into the Building sewer.
- Connecting Building Drain to PSS Steps:
- Step 1: Establish Details about the PSS
- Step 2: Connecting – Preliminary Works
- Step 3: Connecting
- Connecting Building Drain to a Septic Tank
- Step 1: Collect key details about terrain and number of users in
- building
- Step 2: Connecting building sewage to a manhole
- Step 3: Connecting manhole to septic tank
- Step 4: Connecting septic tank to external disposal system