tender for source level waste management project, project no so982/23 source level waste management geebin , items , geebin - 3 bin system ( 2 kg / day capacity ) specification and size • 29 litre capacity polypropylene copolymer ( ppcp ) bins ( 2 nos ) , each bin have an inner digester and an outer covering bin in cylindrical shape, each with a base ring having the facility to collect leachate and filter plate. the bin has a top lid having aeration facility and an upper ring to hold the top lid for treating 2kg waste per day. • one lid for covering the top most bins is provided. • each bin has two parts. inner digester and outer covering bin as protective system which helps to prevent entering of flies and insects into the digester. • filter plates are fixed at the bottom of the digester for easy drain of leachate. leachate trays are placed above the base ring. • base rings are provided for holding the upper bin duly meant for fixing the leachate tray and one upper ring for fixing the lid. infrastructure requirement • inner digester bin dimensions are, 331 mm dia, 335 mm height, 2.4 mm gauge. it is 29 litre capacity and has 2 mm dia holes all around for ventilation. • outer bin dimensions are 383 mm dia, 335 mm height, 2.4 mm gauge, 1.5 mm dia holes provided all around for ventilation. upper plate has 384mm dia, 51 mm height and 2.75 mm thickness for fixing the lid. • the base rings are having 2.75 mm gauge, 384 mm dia and centre hole of 204 mm dia duly meant for fixing leachate tray and for holding the upper bin. • the bins contain a lid 418 mm dia, 112 mm height, 2.6mm thickness and 2 mm dia holes are provided at 65 mm width all round for ventilation of hot air. • each inner & outer bins are vertically divided into halves. inner bin is assembled with 6 nut & bolts, and the outer bin is assembled with 10 nut & bolts. • filter plates 320 mm dia, 2.4 mm thickness and the central portion 15mm dia with 3mm dia holes for easy drain of leachate. • microbes enriched inoculum for water absorption and aeration. ( starter ) • tool ( hand fork ) for stirring the waste.