PERCOLATION PIT METHOD

Constructed in the open space at required intervals.
Size " 1m x 1m x 1.5m (depth)
Filled with broken bricks / pebbles
Suitable for sandy sub - soil area
One unit for 300 sq.ft area (approx.)

PERCOLATION PIT WITH BORE METHOD

A borehole to be drilled at the bottom of the percolation pit.
Bore hole size : 150 - 300 mm dia with 10 -15 ft depth (approx.)
Filled with broken bricks. Suitable for clay area.

Note :
1. Above structures are meant for area with small catchment like individual houses.
2. RCC slab cover is optional.
3. Top (1') portion may be filled with sand.

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