Catchment survey, IMD rainfall, BWSSB 20 L/m² rule, filter and recharge-well sizing, AutoCAD layout and a costed BOQ.
Free preview
- Site survey: tape, levelling instrument, roof and paved-area measurement
- IMD rainfall normals for Bengaluru
- BWSSB rainwater-harvesting rule (20 L/m² roof, 10 L/m² paved)
- Falling-head percolation (infiltration) pit test
- +2