• Demolition and disposal of chainmesh enclosure, ductwork, grilles and miscellaneous items as indicated in the contract drawings. • Provision of temporary air conditioning (portable units or other) to ED during relocation of existing main air handling unit. • Supply and installation of chilled water air handling unit with run-around coils, mechanical services control panel, air dampers, ductwork, pipework, sensors, controls and cabling for the CT area of works. • Supply and installation of a structural frame supporting new air handling unit for the CT area of works. • Supply and installation of chilled water air handling unit with hot-water reheat coil, air/water heat pump, mechanical services control panel, air dampers, ductwork, sensors, controls and cabling for the ED area of works. • Relocation of existing chilled water air handling unit and modification of duct/pipe connections for the ED area of works. • Supply and installation of electric reheat coil, mechanical services control panel, air dampers, ductwork, sensors, controls and cabling for the MARS area of works. • Relocation of existing packaged air handling unit within enclosure and modification of duct/pipe connections for MARS area of works. • Balancing and commissioning of installed air handling, chilled water, run-around, heat pump, reheat coil and control systems. • Connection of new mechanical controls to existing site building management system, including modification of user interface to match the works included in this project. • Development of coordinated shop drawings, as-constructed drawings, operation and maintenance manuals and functional control