direct purchase of certain schedule b stores of ge ( north ) santacruz:-supply, install, testing & commissioning of solar water heater system 100 lpd flat plate collector type ( fpc ) comprising of following :- ( a ) flate plate collector - frame less construction, glass bonded with copper tubing, high performance textured toughned glass, single box structure in zinc aluminium sheet. ( b ) hot water tank - outer body in zinc aluminium sheet, inner container made of food grade ss 316l, plasma welding by automated machines, passivated with special chemical for special protection of inner container, pressure with standard capacity 8 bar, container insulation- high density injected with puf with automatic machine, provided with special magnesium anode, multifunction safety valve, electrical back up with thermostat cum cutout. ( c ) mounting assembly for collector & tank made out of ms sections etc. ( d ) necessary piping & all connected items for system ( except water pipiing from water tank to solar heater and solar water system to bathroom )