tender for purchase of household biogas unit purchase of household biogas composting units. , supply biogas unit - 1 m3 capacity , unit with water jacket : frp tanks wth circular shape as digester and floating gas holder with total volume 1 m3 and water jacket in between the digester and the gas holder thickness of 3mm to 4mm. infrastructure requirements :- treatment capacity - 7.5 kg of solid waste per day-inlet device with pipe of diameter 110mm - inlet chamber container, having circular shape of 30 cm diameter and with a lid.- outlet device with pipe of 63 mm. - a plastic can of 10 litre capacity to be used for collecting slurry / effluent for safe disposal. - rubber hose of 25 mm diameter for conveyance of biogas for use with maximum length of 10m.- stove wit single burner. - control valve for regulating gas - mosquito net also be provided over the water jacket.