HVAC SYSTEM The HVAC system will be based on ANSI / ASHRAE / ASHE STANDARD 170 : 2008 Selection of Air conditioning system : Centralised AC system / DX AC system / VRV system Selection of Centralised Chillers system: Air Cooled / Water Cooled / Direct Fired Absorption. Or Selection of DX system: Package Units / Ceiling suspended Ductable Split AC / Hi Wall / Cassette unit. (based on requirement). Selection & sizing of chillers, chilled water & condenser water pump sets , piping, cooling tower, valves, instruments & Control etc. Air distribution system by selection and sizing of AHUs, FCUs, fan, Blower, Indoor and Outdoor Units etc. Air distribution network by selection and sizing of duct, grill, diffuser, fire dampers etc Thermal and acoustic insulation of ducting network. Selection & sizing of Treated fresh air equipment. Heat load calculation, Cooling load tonnage, Pipe sizing. Duct sizing & CFM balancing Fresh air and air change requirement.