Assise

Case Studies
McConnell Dowell Aquatic Silt Curtain
Project Overview :
Date:  November, 2010
Location:  Port Kembla, New South Wales, Australia
Project Purpose:

To supply, deliver and install aquatic silt curtain and innovative primary containment curtain to facilitate dredging operations in Port Kembla.

Features Summary :
Boom length:

 820m with variable skirt depth from 9m to 12m deep
 190m with 2.4m skirt depth for reclamation zone

Boom material:  UV Resistant PVC
Float:  Closed Cell PE Foam
Ballast:  8mm Galvanised chain
Connectors:  Universal connectors
Project Summary :
  • To facilitate dredging operations in Port Kembla, a rectangular zone was constructed using variable skirt depths to match the ocean bed contours to ensure minimal silt migration.
  • A reclamation zone was contained using 190m of silt curtain.
  • Manufacture was completed within 2 weeks and installation within one week to meet client requirements.
  • Installation and removal of all curtains was implemented. Installation to GPS specific anchoring points using 300kg anchors.