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 technical circular no. rdso/2011/el/tc/0108, rev0 dated -07.03.2011 and technical details mentioned in annexure enclosed. air dryer test bed should be plc based model and the test bed should have data acquisition dedicated software, digital display and printing facility. calibration certificate for all the measuring instrument provided in the test bench should be provided along with supply. [ warranty period: 30 months after the date of delivery ]