supply of design, supply, erection, testing and commissioning of air dryer test beddesign, supply, erection, testing and commissioning of air dryer test bed,design, supply, erection, testing and commissioning of air dryer test bed as per rdsos tec hnical circular no. rdso/2011/el/tc/0108, rev0 dated -07.03.2011 and technical details mentioned in an nexure enclosed. air dryer test bench should be plc based model and the test bench should have data acq uisition dedicated software, digital display and printing facility. calibration certificate for all the measuring i nstrument provided in the test bench should be provided along with supply. [ warranty period: 30 month s after the date of delivery ] ]