theatre modernization of g plus 5 floors air conditioning works. at kairali sree theatre thrissur , machine side , supply, installation and commissioningofceiling suspended inverter type ducted unitsofspecified capacities, nominal capacity condensingunit withall standard fittings, safety devices, like hp / lp cutout, single phase preventor, overloadrelays, r-410agas, vibrationisolation pads etc. suitable to work till 50 deg ambient, blue fin condenser and corrosion resistant body, wide voltage range 360v - 440v, scroll compressor-driven . communication / control cable between indoor and out door units due to their inherent design characteristics, scroll compressors have very high volumetric efficiency. they are ideal for air conditioning applications where the compression ratio is not very high. , 3 tr , supply, installation and commissioning of floor mounted tower unit along with condencing units and anti corrosive fins r410a gas, highly efficient rotary or scroll compressor andall safety devices , controlsetc. as per the direction of engineer in charge , 4tr , low side works , sitc of refrigerant piping ( suction & discharge ) soft drawn copper tube of suitable sizes, with copper elbows, tees, tubular nitrile insulations etc as required ( for4tr tower ac - 3 / 4 and 3 / 8 ) , ( for 3tr inverter duct ac - 5 / 8 and 3 / 8 ) , , supply and fixing readymade out door stand for tower ac and duct ac including all charges etc. complete and anticorrosive black paint , supply, installation, testing and commissioning of following size .insulated pvc drain pipe from ahu drain pans to nearest floor drain complete with interconnection, flanges, elbows, tees, nuts, u-trap etc. the insulation shall be 6 mm thick closed cell class o nitirile rubber foam insulation . ( 25 mm outer dia pvc ) , supply, fabricate, handle and erect factory fabricated gss ducting as per drawing, complete with all fitting such as tee bends, special off-chutes, turning vanes, splitter dampers, ins.doors, transformation pieces slip on flanges etc. as reqd. as reqd. as per is 655 including suspension and supporting arrangement for plenums, ducts, complete as reqd. and as per spec. ( only hitech supports shall be used ) wall opening as good as same rectangular duct. , 24 gauge , supply & fixing of 10 mm thick acoustic insulation of duct using with adhesive as per the recommendation of the manufacture with density 140-180kg / m3 , supply & fixing of 9 mm thick class o nitrile rubber ht insulation / epdm insulation of duct using with antimicrobial property with adhesive as per the recommendation of the manufacture with density 45-55kg / m3 , double canvas connections of fire retardant quality for connecting ahus to ducting / plenum. , supplying & fixing of powder coated extruded aluminium supply air grills with aluminium volume control dampers as per specifications. , supply air grill with voloume control damper , supplying and fixing of powder coated extruded aluminium return air grills with louvers but without volume control dampers complete as required. , supply air grill with out voloume control damper , supply and fix al. eye ball jet nozzle fixed in powder coated factory fanricated panel with plenum and collar damper as per specifications, machine made, powder coated. material : al350mm dia as per engineer in charge. , supply, installing, testingandcommissioningofaxialfansof capacity4, 000 cfm @ 25 mmwc static variable pitch axial fan high temprature exhaust air fan. ( for ground floor forced ventilation ) , pvc pipe with fittings for exhaust and fresh air , 600 mm dia , 300 mm dia , 100 mm dia , supply, installation, testing, commissioning and balancing ofgss powder coated fresh air / exhaust air louver with 4 side flanges, bird netscreen, damper arrangement and all neccessary supprt and accessories , color should be approved by architect as per drawing. , supply & fixing of isowall 50 mm thick eps, one side gi coated sheet panels for wall and ceiling making retturn air boxing with necessary angels, sealant etc. , supply, installation, testing and commissioning of gi volume control duct damper complete with neoprene rubber gaskets, nuts, bolts, screws linkages, flanges etc, as per specifications. , vcd