kunnothparamba gp proj no118 ring compost kunnothparamba gp proj no118 ring compost , ring compost , two sets of circular ferro-cement resting on circular ferro cement slabs and covered by another circular ferrocement slab with provision for loading the waste from the top and removing the compost from the bottom, when redy. base layer with cow-dunf ( 5 kg ) powder surgical hand gloves for handling waste&manure. a. ferro cemnt ring of internal diameter 0.7 m, thickness 2.5 cm and height 0.5 m placed over a circular ferrocemnt slab of dia 0.75 m and thickness 2.5 cm ( without fixing ) . the ring to have a 30 cmx30cm opening on the side at the bottom with a ferro cement slab cover of the same curved shape which can be removed and refitted back tightly with a locking arrangement for removal of compost when redy. the ring will also have a hole of dia 2.5 cm at the bottom for the leachate to flow out. b. circular ferro cement slab of 0.75 m diameter and 2.5 cm thick with central hole of 0.30 m diameter tocover the ring. the hole will have a lid cover which can be removed and refitted back for loading the wase into the ring and closing it tightly after loading the waste. c. option to provide hdfe sheet 0.15mm thickness in lieu of ferro cement slab at the base can also be given. in such case the cost can be reduced by rs.350 / -