Scope
The work included:
  • Three Long Tube Flash evaporator desalination plants, each producing 2.5 million US gallons per day, supplied by Aqua-Chem Inc. of Milwaukee USA.
  • Three 100,000 lbs/hour Cleaver Brooks steam package boilers with complete boiler auxiliaries including high-pressure pipework, flues, ducts and stacks.
  • 60-inch concrete-lined seawater intake piping; 10-metre-long vertical re-circulating KSB pumps; low-pressure interconnecting piping; hundreds of tons of walkways and steel platforms; wooden decarbonator tower; interconnecting cabling and control wiring.
  • Assembly of 75 evaporator sub-modules, each weighing up to 65 tons; welding of the CuNi tube sheets; tubing and expanding of approximately 37,000 eighty-foot-long copper nickel tubes; welding of clad on CuNi on steel walled water boxes; mechanical erection of associated equipment such as stainless steel jet ejector vacuum system, chemical dosing system, etc.
  • Instrumentation work, including installation of pressure, temperature, level and flow sensors on vessels and piping; assembly and tubing of field pneumatic transmitters on field racks; laying of cable trays in concrete trenches; laying of multitube pneumatic instrument tubing, including splicing; installation of remote control room panels, connecting to field instruments, testing and calibration of all instruments.
  • Electrical work, including laying of cables on trays in cable trenches, strapping and cable splicing; installation of motor control centres, cabling to motors, installation of electrical distribution boards and cable termination; installation of all field lighting and power points, including cabling and termination.
  • Insulation; fabrication and installation of the aluminium cladding.
  • Painting, testing, commissioning and start-up assistance.