bids are invited for sitc of 6x3tr ductable split ac units supply of 3tr metal body copper coil evaporator and copper coil condenser ductable ac units , installation testing and commissioning of 3 tr ductable air conditioning units , supplying and laying of copper refrigerant pipes for 3 tr ductable ac units , extra for supply and charging of additional refrigerant gas , providing indoor unit ceiling mounting bracket system , supplying and laying of 2.5sq.mm 4 core pvc or xlpe insulated and pvc sheathed copper conductor unarmoured cable , supplying and installing 300 mm width x 50 mm depth x 1.6 mm thickness size perforated painted with powder coating m.s. cable trays , providing and laying of 40mm dia fire retardant corrosion free medium class u pvc pipe along with accessories , providing and laying of 32mm dia fire retardant corrosion free medium class u pvc pipe along with accessories , providing and laying of 25mm dia fire retardant corrosion free medium class u pvc pipe along with accessories , supply fabrication and installation of 22 swg gi sheet plenum or duct complete with all accessories , supply and fixing of rectangular fire retardant canvas duct connector , supplying and fixing of powder coated extruded aluminium supply air grills with fixed front louvers supply and installation of 3tr metal body copper coil evaporator and copper coil condenser ductable ac units, , split air conditioner (ceiling mount type), as per is: 1391 (part 2) total quantity : 361