maintenance of air conditioners installed in various buildings under police department at port blair during 2024-25- 1 gas chargingpressure testing for leakage flushing vaccummisingthe system, gas charging with r-22/r-32/410a servicing the unit testing for satisfactory performance, replacement of necessary spare parts i/c re installation of the unit etc as required for ac. 2 1.5 ton 3 2 ton 4 3 ton 5 4 ton 6 replacement of compressorreplacement of defective compressor unit with new one suitable for following capacity room ac i/c pressure testingfor leakage, flushingvaccumisingthe system gas charging with r-22/r-32/410a servicing the unit, paintingand testingfor satisfactory performance, replacement of necessary spare parts i/c reinstallation of the unit duly tested etc as required. 7 1.5 ton 8 2 ton 9 4 ton 10 replacement of condensor coilreplacement of damaged condensor coil with new copper condensor coil suitable forfollowing capacitysplit type ac i/c dismantling the damaged coil, fixing the new one, gas charging, re-installation and plating patch repair work if any, testing and commissioning the unit etc as required. 11 1.5 ton 12 2 ton 13 re-installation of split type acre-installation, testing and commissioning of following capacity split type air conditioner suitable for wall mounting/floor mounting / floor standing complete i/c cutting/ drilling holes on the wall for passing gas pipes , fixing pvc pipe on the wall through the holes and cementing, painting to give an even look and smooth finish, wrapping pvc non adhesive tape over insulation of gas pipe etc including gas charging as required and as per the direction of e-in-c. 14 1.5 ton/ 2 ton/3 ton /4 ton 15 providing and fixingof refrigerant copperpipes of following sizes (suction & delivery) of split type ac i/c providing electrical cables, insulation, extra gas charging, drain pipe and covering with pvc non adhessive tape over the insulation of refrigerant pipes to give smooth finish and as per the direction of e-in-c 16 refrigerant pipes of sizes 3/4 & 1/2 17 refrigerant pipes of sizes 5/8 & 3/8 18 supplying of un-skilled daily rated labourers for assisting a.c mechanic and stand by duty on as and when required basis. 19 supply of spares supplying of following air conditioner spares and accessories for maintenance work on as and when required basis. 20 indoor unit pc board suitable for hitachi 02 ton inverter air conditioner, model : - rmb524hbeag or its equivalent. 21 outdoor unit pc board suitable for hitachi 02 ton inverter air conditioner, model: - rmb524hbeag or its equivalent. 22 indoor unit pc board suitable for vestar 02 ton inverter air conditioner, model: - vasks225itet/ilwt or its equivalent 23 outdoor unit pc board suitable for vestar 02 ton inverter air conditioner, model: - vasks225itet/ilwt or its equivalent 24 4 kva voltage stabilizer .make v guard model vnd 400v or its equivalent. 25 5kva voltage stabilizer. make v guard model vnd 500 or its equivalent. 26 single core contactor 27 three phase contactor 28 three phase preventer (l&t) 29 45 mfdpin type (alu body) 30 60mfd pin type(alu body) 31 pcb assy. split ac common-artic/universal 32 insulation tape(roll) 33 freon (r-22) gas 34 refrigerent (r-32) gas 35 refrigerent (r-410a) gas