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| 1 | Repairing of existing 300 TR Cooling towers (make: Bell Tower) including replacement of motor bearing, balancing of fan blades, replacement of spray nozzles, Float valve and suitable pipe arrangement for spray nozzles, replacement of valve gear box along with providing FRP coating on damaged areas of cooling tower complete as required. |
| 2 | Repairing of existing exhaust fans (make: Kruger) for food court including replacement of motor bearing, pulleys, belts, float valves, spray nozzles and air filters and painting of motor bed and base with enamel paint complete as required. |
| 3 | Replacement of CI butterfly valve of size 200mm dia for cooling tower pipe including removal of existing valve, fixing of new valve etc complete as required |
| 4 | Replacement of CI butterfly valve of size 300mm dia for cooling tower pipe including removal of existing valve, fixing of new valve etc complete as required |
| 5 | Replacement of existing VFD of 33 kW, 3 phase, 415 V Variable frequency drive, for primary pump. (ABB ACS560-01-062A-4 or equivalent in approved makes of AAI) i/c testing & commissioning etc complete as required |
| 6 | Servicing of 33 kW , 3 phase, 415 V VFD of make ABB model: ACS560-01-062A-4 including dismantling from site, making the unit serviceable and refixing the same. |
| 7 | Repair and servicing of faulty PCB and control unit of make up water booster pumps, making good the same and reinstallation etc complete as required |
| 8 | Supply and fixing of dial type pressure gauges 150mm dia at various locations of chilled water system etc complete as required |
| 9 | Replacement of bearing for condenser pump including supply and fixing of new bearing, general service of pump, re-alingment of pump with motor etc complete as required. |
| 10 | Supply and fixing of 10 micron, pre-filters for Air handling units, exhaust fans and fresh air fans. The filters shall be of box type of following sizes suitable for mounting on channel frame etc complete as required |
| 11 | 610mmx610mm |
| 12 | 610mmx305mm |
| 13 | Supply and fixing of 10 micron, bag type filters for Air handling units. The filters shall be of size 610mmx305mm suitable for mounting on channel frame etc complete as required |
| 14 | Repair and service of Mall First Floor AHU in MLCP east including replacement of 100mm dia strainer in chilled water pipeline and replacement of canvas for supply and return air duct etc complete as required |
| 15 | Repair and overhauling of 5.5 TR Carrier make FCU unit at ISP room including replacement of compressors and PCB board, replacement of fan motor for indoor and outdoor unit including testing and commissioning including gas charging etc complete as required. |
| 16 | Repair and overhauling of 5.5 TR Carrier make CSU unit at UPS room including replacement of compressors and PCB board, replacement of fan motor for indoor and outdoor unit including testing and commissioning including gas charging etc complete as required. |
| 17 | Overhauling and servicing of cooling coils of AHU/CSU at MLCP east including chemical washing of coils etc complete as required. |
| 18 | Supply and fixing of 25mm thick nitrile rubber insulation having AL foil covering with suitable adhesives on existing duct including removing of existing insulation etc complete as required. |
| 19 | Replacement of nylon door handle for fresh air and exhaust fan units at MLCP East including supply and fixing of new door handle etc complete as required. |
| 20 | Replacement of motor bearing of motors for lift fresh air fan including supply and fixing of new bearing, general service of motors etc complete as required. |
| 21 | Rectification and repair works for exhaust fan (make Kruger) in DG room including replacement of damper actuator etc complete as required. |
| 22 | Rectification and repair works for FCU drain tray and coil base in UVSS room etc complete as required. |
