Scope

The total project involved over 12,500 tons of material and consumed 1.6 million man-hours. At the height of the work, MAC was engaged simultaneously on different activities with a peak direct manpower load of 450.

 

The work included:

  • Lifting of four 42-ton boiler drums onto 25-metre-high steel structures.
  • Installation of pressure parts, inclusive of field assembly, tig and arc welding to DIN 8560 standards using Lloyds certified welders, performing 100% Gamma-Ray non-destructive testing, and hydrotesting
  • Erection of boiler casing, ducting to boiler burners and installation of all flues and air testing.
  • Erection of turbine hall condensers, equipment and piping including the welding of chrome-molydenum high pressure steam alloy piping
  • Installation of crude oil system pumping station and piping; natural gas system and piping.
  • Town water pumphouse and piping; chemical storage and storing system, water treatment equipment and associated polypropylene and stainless steel piping system; service air piping and instrument air compressors
  • Seawater intake equipment, including gates, grates, travelling band screens, vertical pumps and a Demag 50 ton gantry travelling crane on rails.
  • 1,500mm in diameter of concrete-lined inside and outside Bonna pipe network for cooling turbine hall condensers