Supply Of Precision Ac System , Supply , Installation , Testing And Commissioning Of Factory Built Floor Mounted Precision Type Packaged Air Conditioning Units Is To Be Done As Per Standard Practice Of The Equipment Manufacturer Either Through Equipment Manufacturer Or Their Authorised Representative . The Complete Unit Shall Be As Per Technical Specifications Attached , Comprising Of Variable Scroll Compressors , Dx Evaporator Coil With Cross Hatched High Efficiency Copper Tubes , Elecctronic Cooled Condensor Suitable For 50 Deg C Ambient Temperature Etc . Each Package Unit With Not Less Than 550 Cfm ( Cubic Feet Per Minute ) /Tr Complete With Microprosecessor Control . Each Evaporator Unit Shall Be With Variable Capacity Scroll Compressors , Controls Such As Contactors , Overload Protector For All Motors , Hplp Cutouts , Single Phase Preventer , Evaporator Coil , Evaporator Fan Complete With Ec Motor , Humidifier & De-Humidifier , Insulated Drain Pan Assembly , Electronic Expansion Valve , Refrigerant Filter Drier Shut Off Valves And Dry Fabric Cleanable Type Filter . Condensingunit Shall Comprise Of Condensor Coil And Condensor Fan Motor Etc . The Evaporator Unit And Condensing Unit Factory Assembled In A Compact Heavy Gauge Steel Cabinet , Duly Painted , Complete With All Materials , Labor , Tools , Tackles , Consumables , Etc Including Pressure Testing & Charging Of Refrigerant Gas/Oil , Fixing Of Isolation Valves , Catchall Drier/Filter , Canvass Connection , Machine Outlet Dampers , Vibration Isolation Pads , Lifting-Shifting & Positioining At Appropriate Location ( Minimum Configuration N Working + 1 Stand-By Total N+1 Unit ) Detail Calculation For Arriving At Value N Is To Be Submitted For Approval From The Ac Manufacturer . Tentative Required Data Is Given In Technical Specifications . , Supply Of Precision Type Packaged Air Conditioning Units ( Min 16 Tonnage Cooling Capacity ) , Services: Installation , Testing And Commissioning Including To & Fro Charges , Boarding , Lodging Etc , Composite: All Related Accessories ( Tentative Quantities Are Mentioned In The Specifications , However , Higher Quantities Might Get Executed ) Required For Successful Installation And Operation Of Precision Type Packaged Air Conditioning Units . A Tentative List Of Items Including Supply And Installation Required But Not Limited To , Applicable To Precision Ac Are Mentioned Hereunder , Supply & Installation Of Hard Drawn Refrigerant Copper Piping ( 16/19 Gauge ) With Necessary Insulation To Interconnect Indoor And Outdoor Units , Gi Ducting: Supply , Fabrications , Installation And Testing Of Sheet Metal Ducting Complete With Flanges , Plennum With Suitable Canvas Connection . While Taking Duct Measurements , Vanes , Collars , Etc . Will Also Be Measured And Accounted For ( 22/24 Gauge ) , Duct Thermal Insulation: Duct Thermal Insulation With Aluminium Foil Faced Nitrile Rubber Of 9Mm Thickness , Supply , Installation , Testing And Balancing Of Aluminium Powder Coated Grilles/Diffusers ( As Required Based On Site Feasibility ) Extruded Aluminium Powder Coated Supply/Return Air Grilles With/Without Volume Control Dampners , Volume Control Dampers: The Volume Control Shall Be Made Out-Off 16G Galvanised Sheet Blades , With 16G Galvanised Sheet Frame , Galvanised Steel Linkage , With Flange On Both Sides , With Manual Adjustment Handle , Supply And Installation Of Pvc Insulated 32/40 Mm Dia Drain Piping , Duct Acoustic Lining: Supply & Installation Of 25 Mm Thick Fibre Glass ( Density 32Kg/Cbmt ) Covered With Rp Tissue Paper For Thermal Insulation , Supply , Installation , Testing & Aligning Fresh Air Arrangement With Bird Screen & Motorised Volume Control Dampners ( Provision For Utilisation , If Required ) , Supply & Installation Of Ms Stands For Mounting Of Indoor & Outdoor Units , Supply & Laying , Termination , Connection Of Interconnecting Electrical Armoured Cabling For Indoor & Outdoor Units , Under Dake Insulation With Fire Resistance Tf Quality Poly Styrene 50Mm Thick ( Density 32 Kg/Cum ) Fire Resistant Type , Bare Fire Control Damper For Sa & Ra Duct With Controller , Room Acoustic Lining With 50 Mm Thick Fibre Glass ( Density 32 Kg/Cum ) Covered With Rp Tissue Paper , Pressure Testing & Charging Of R410a Refrigerant Gas , Comprehensive Annual Maintenance Of Above Package For A Period Of 5 Years After 1 Year Of Defect Liability Period , 1St Year , 2Nd Year , 3Rd Year , 4Th Year , 5Th Year
