tender for solid waste management ( house hold ) ring compost ring compost , ring compost 1. ferro cement ring of diameter 0.7m , thickness 2.5cm and height 0.5mplaced ocver a circular ferro cement slab of dia 0.75m and thickness 2.5cm. the ring willhave a hole of dia 2.5cm at bottom for the leachate to flow out. 2. circular ferro / cement cover slab of 0.75m diameter and 2.5cm thick with central circular hole of 0.3m diameter to cover the ring. a lid which can be removed and refitted backfor loading the waste into the ring and closing it tightly after loading the waste.3 ) infrastructure requirement - two set of circular ferro cement rings resting on circular ferro cement slab and covered by another circular ferro cement slab with provision for loading the waste from the top and removing the compost from the bottom when ready 4 ) base layer with cow dung ( approximately 5 kg ) powder, surgical hand gloves for handling waste and manure