Frigrite Contracting - 1977 - 79 : Commissioning of air conditioning plant for 20 storey building Sydney city (consulting engineers Thomas Anderson Assoc.).
 Measurement and setting variable volume air distribution system and components - set variable speed drives - set up economy cycle and fire-damper controls.
 Setting and calibration Honeywell pneumatic controls. Rewire electrical controls where necessary. Commission building automation computer A.C. interface.
 Balancing chilled, condenser and heating water systems - pneumatic control valve operation and setting.
 Commissioning Carrier centrifugal chillers and assist with boiler. Set up cooling tower and controls.
 Supervised warranty and maintenance period on site. Draft copy operating and maintenance instructions.