supply of , supply, installation / commissioning and proving out of one set consisting three items and quantity mentioned against each. ( i ) 15 hp screw air compressor with inbuilt air dryer and receiver, ( free air delivery max ) : 40.7 cfm, working pressure at 13 bar, ( swl : 12.5 bar ) , motor:15 hp / 11 kw, noise level max : 65db ( a ) - 01 number ( ii ) refrigerator type air dryer suitable for air compressor. inlet capacity: 116.54 cfm, max. working pressure: 13 bar, pressure drop max :0.14 bar, outlet pressure dew point : +3deg. centigrade, max power consumption at 50hz: 951 watts, electrical supply: 230 volts / 1ph / 50 hz, compressed air connections : g1 - 01 number ( iii ) air receiver: 500 litres / 0.5m 3 at 13 bar working pressure with safety valve, drain valve, pressure gauge. - 01 number compressor model g11ff a 13 tm of atlas copco make / model sk 22 of kaeser make / model en15 of elgi make / model kes-18 of kirloskar make . firm should submit test certificate from oem while supplying the material. { warranty: minimum two years } [ warranty period: 24 months after the date of delivery ]