project no 27/26 -ring compost 2025-26 ring compost , ring compost , ferro- cement ring of internal diameter 0.70m,thickness 2.50cm, and height 0.50m placed over a circular ferro cement slab of dia 0.75m and thickness2.5cm ( without fixing) .the ring to have a 30cmx30cm opening on the side at the bottom with a ferro cement slab cover of the same curved shape.which can be remooved and refitted back tightly with a locking arrangement for removal of compost when ready. the ring will also have a hole of diameter 2.5 cm at the bottom for the leachate to flow out .circular ferro cement cover slab of 0.75m diameter and 2.5 cm thick with central circular hole of 0.30 m diameter to cover the ring .the hole will have a lid cover which can be removed and refitted back for loading the waste in to the ring and closing it tightly after loading the waste. option to provide hdpe sheet 0.15mm thickness in lieu of ferro cement slab at the base also be given