bids are invited for fly ash bricks as per is 13757, is 12894 (q3) , disconnecting dismantling of water cooling coil from ahu for replacement of the same carefully and replacement of water coil , material and labour for water cooling coil 8rd capacity 50tr 19000cfm all as specified and directed , supply erecting and fixing air duct made out of galvanized sheet 22 gauge insulated with fiber glass 50 mm thick , supply and installation of hygrometer digital type complete all as specified. , supply fixing and replacement of pcb alongwith all accessories as per existing model sample suitable for cooling tower , supply and fix mccb moulded case circuit breaker 4pole 415v fixed thermal and magnetic release 100amps , supply and fix mccb moulded case circuit breaker 4pole 415v fixed thermal and magnetic release 125amps , supply and fix mccb moulded case circuit breaker 4pole 415v fixed thermal and magnetic release 63amps with breaking capacity 25ka , disconnecting cutting and taking out unserviceable sealed unit compressor of package type air conditioner 5.5 ton capacity , supply only with provision of clean exchange of unserviceable compressor , disconnecting cutting and taking out unserviceable sealed unit compressor of package type air conditioner , supply only with provision of clean exchange of unserviceable compressor removed against item 39.00 here in before , disconnecting cutting and taking out unserviceable sealed unit compressor of package type air conditioner 12.50 ton capacity , supply only with provision of clean exchange of unserviceable compressor removed against item 41.00 here in before 1 14 total quantity : 291