supply, installation and commissioning of ductable air conditioning units , supply, installation, testing and commissioning of split type ductable airconditioners - capacity 11tr, dehumidified air 4400 cfm - twin circuit(5.5 trx 2), make of machine: hitachi/carrier/voltas (as per tender specification) , refrigerant piping with insulation - supply and erection of hard drawn refrigerant copper pipes to integrate outdoor / indoor units, size & thickness as per equipment oem specification. the rate shall inclusive of cross linked nitrile rubber insulation (tubular form). , drain piping with insulation.supply laying, testing & commissioning of pvc insulated condensate water piping complete with all floor, wall and ceiling supports, fittings, u traps/seal to the nearest drain point.25 mm dia , outdoor stand- supply, fabrication and installaton of ms base frame for outdoor unit complete with epoxy paintings, vibration isolation pads, supports, hangers, railing, brackets, etc. , duct works -supply, installation & testing and commisioning of site fabricated gss ducting with zinc coating of minimum class viii , up to 750mm 24g , from 751 to 1500mm 22g , aluminium extruded powder coated grills + collar damper - supply, installation, testing & balancing of al powder coated continuous grils with horizontal/vertical fixed bars for supply & return of the different sizes with all the necessary flanges etc. as per specification & approved shop drawings. , acoustc insulation - supply, installation and testing & lining of acoustc insulation of ducting with nitnle rubber 10 mm thick as per specification. , thermal insulation - supply, installation and testing & lining of ihermal insulation of ducting with nitrile rubber 9mm thick as per specification. , fresh air arrangement -supply, installation, testing and balancing of louvers for fresh air louvers in extruded aluminum construction blades and flanges for fresh air with 24g aluminum / gi bird screen , fexible connections -supply, fabrication, installation and testing the flexible connections constructed of fire resistance flexible double canvas sleeve as per required size complete , cable & wiring. supply, installation, of copper wires through pvc conduits , 4x16 sqmm cu wire - odu power supply , 3x2.5 sqmm cu cable - idu power supply , 4x1.5 sqmm cu cable - idu-odu communication cable , supply and drawing of earth conductors ( size 10 swg) , miscellaneous works for airconditioning. minor civil works, loading, unloading & scaffolding works.