The existing DAC's were stripped out and removed from site together with connecting pipework from main condense water flow and return header and BMS panel. 11 new DAC's were then supplied and installed in two phases. These were mobile craned onto the roof along with all new prefabricated pipework complete with new strainers, DRV's and butterfly isolation valves.

New network cabling was installed back to a new BMS panel located at roof level, utilising existing landlord backbone cabling. New DAC graphics on the Landlord head end monitoring DAC points.