CEDA Dredging Days 2019

Dredging Days

Production estimates are key to budgets and schedules

7-8 November 2019. Ahoy, Rotterdam, the Netherlands

Burgmans SH, Brevet R and Miller G - in2Dredging, Australia

Accurate production estimates are key in determining budgets and schedules for any dredging project. This paper will take a different perspective on helping clients appreciate the pitfalls of optimistic budgets and unrealistic schedules.

01.burgmans_pdimage.png (105 K)

Jet modelling of a drag head’s heel jet

  • Unrealistic and optimistic budgets and schedules are an issue for both contractor and client
  • Suction and discharge production rates can be reliably estimated for most projects
  • Rock cutting production estimates should consider the entire cutting installation
  • Typically, low jetting production rates in impermeable sand and stiffer clay can be accurately estimated
  • Both contractors and clients can and should monitor dredges’ performance by acquiring digital data

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Last update: 5 September 2019