Tender For supply of carry out b check servicing of 320 kva dg set as per specifications , replacement fauly battery and sf of 12v 130 ah battery with 2 year waranty , sf 24v smps battery charger 10 16a , repairing of pumps as required , repair 3 hp borewell pump incl pull out and lowering , attending fault with monor repair and service for 7 or 7.5 tr pakckage ac , repair of split ac incl gas charging except compressor , rewinding of condenser motor for package ac unit 3 phase , supply and charging r22 gas incl notrogen pressure test for package ac units , repalcment of time relay circuit for package ac units , replacement of control card in existing afd system with testing as reqd , replacement of zone card in existing afd system with testing as reqd , replacement of power card in existing afd system with testing as reqd , sf 12v 26ahm battery for existing afd system with testing as required. , laying pvc or xlpe cable in ground upto 35 sq mm as required , laying pvc or xlpe cable on wall or surface upto 35 sq mm as required , supply and making cable end termination for 2 core 6 sq mm al cond cable , testing of existing co2 type fire extinguihsers , refilling of existing co2 type fire extinguihsers , replacment of faulty compressor of extg split ac units with gas charging
Tender For corrigendum : repair maintenance of of central packaged type ac plant, wtac, split type ac, water cooler and water softening / iron removal, filtration plant at national library, alipore, kolkata during 2025-26 (sh: overhauling of ct, ct motor and compressor).
Tender For corrigendum : repair maintenance of of central packaged type ac plant, wtac, split type ac, water cooler and water softening / iron removal, filtration plant at national library, alipore, kolkata during 2025-26 (sh: overhauling of compressor unit 3).
Tender For corrigendum : supply of split ac at bsnl surendranagar oa : - cm of 1.5tr non inverter split ac units , replacement of blower fan motor in 1.5 or 2 tr ac unit , replacement of blower drum in 1.5 or 2 tr ac unit , replacement of condenser fan motor in 1.5 or 2 tr ac unit , replacement of condenser fan blade in 1.5 or 2 tr ac unit , pcb repair for indoor unit of 1.5 or 2 tr ac unit , pcb repair for outdoor unit of 1.5 or 2 tr ac unit , replacement of 1.5 tr rotary compressor in 1.5 tr ac unit , replacement of 1.5 tr rotary compressor in 2.0 tr ac unit , replacement of 25 or 35 mfdcapacitor in 1.5 or 2 tr ac unit , replacement of 2 pole 25 amp contactor for 1.5 or 2 tr ac unit , replacement of 4 or 6 way terminal box for 1.5 or 2 tr ac unit , water service for 1.5 or 2 tr ac unit , blower service for 1.5 or 2 tr ac unit , charging or topping up r22 or r134 gas in existing 1.5 or 2 tr ac unit , replacement of 50mm thick synthetic air filter for 1.5 or 2 tr ac unit , sitc of auto sequential micro controller for 2 no split or window ac units , replacement of faulty 25 a sp mcb in existing db for 1.5 or 2 tr ac unit , site visit for ac fuult clearing with minor repair
Tender For repair maintenance of of central packaged type ac plant, wtac, split type ac, water cooler and water softening/iron removal, filtration plant at national library, alipore, kolkata during 2025-26 (sh: overhauling of compressor unit 4, overhauling of comp. motor, rewinding of chiller motor, cooling coil wash and valve cleaning).
Tender For repair maintenance of of central packaged type ac plant, wtac, split type ac, water cooler and water softening / iron removal, filtration plant at national library, alipore, kolkata during 2025-26 (sh: overhauling of condenser & chiller pump, motor, compressor motor & descalling of condenser & overhauling of ct).
Tender For bid to ras supply of supply and fixing of expansion valve required for ac plant of capacity 5.5 tr , supply and fixing of v belt size a-28, a-32 suitable for 11 by 5.5 tr package unit ac , supply and fixing of micro filter for ac plant of capacity 5.5 by 11 tr , supply and fixing of outdoor fan motor for package ac plant of capacity 5.5 tr , supply and fixing of repair fan blade of outdoor unit of ac plant of capacity 5.5 tr , supply and fixing of connector for 30 to 40 amps, 440 volts , supply and fixing of contactor suitable for ac plant of capacity 16.5 by 11 tr , supply and fixing of auto change over switch for package type ac plant 11 tr , supply and charging r-22 gas to maintain required cooling effect as and when required in the package type ac , supply and charging r-407 gas to maintain required cooling effect as and when required in the package type ac , supply and charging nitrogen gas for finding out leakage as and when required as specified and directed by engr in charge , supply and fixing of microprocessor by printed circuit board with ct coil suitable for 11 tr package type ac plant , supply and fixing replacement of capacitor 10 mfd , supply and fixing of temperature display controller unit for 16.5 by 11 tr , cleaning of evaporator coils of ac plant of capacity 5.5 tr with dilute hcl by force feed method to remove the dust particles formed on coil and fins , servicing incl cleaning of condenser cooling coil, refrigerant coils fins with mild detergent and descaling of condenser coil for package type 5.5 tr ac , servicing incl cleaning of condenser cooling coil, refrigerant coils fins with mild detergent and descaling of condenser coil for package type 11 tr ac , disconnecting, dismantling and taking out existing burnt out compressor of package type ac 5.5 tr capacity and supply and fixing sealed unit compressor of existing capacity, single phase 230v ac , disconnecting, dismantling and taking out existing burnt out compressor of package type ac 11 tr capacity and supply and fixing sealed unit compressor of existing capacity, single phase 230v ac