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Coastal erosion protection works

Coastal erosion protection works

Specific Tasks Coastal erosion protection works What, and issues to look out for What Coastal erosion protection works usually involve placing a non-erodible material or structure within the CMA to prevent erosion of the coastal margin. For example, coastal protection...
Reclamation and coffer dams

Reclamation and coffer dams

Specific Tasks Coastal Marine Reclamation and coffer dams By their nature, reclamation works happen directly within the CMA. So it is very important to stage the activities tightly and work within tide cycles.   Issues to look out for It is considered best practice to...
Dewatering

Dewatering

Specific Tasks   Dewatering What, and issues to look out for What To “dewater” means to remove water from excavations, tunnelling, trenches, stream diversions and sediment control devices. This could be groundwater or surface water. Dewatering is usually done by...
Utilities

Utilities

Specific Tasks Utilities What, and issues to look out for What Utilities include electricity, gas, water, wastewater and telecommunications. Utilities are regularly upgraded or installed across Canterbury’s urban environments within berms and road reserves. Issues to...
Bores

Bores

Specific Tasks Bores What, and issues to look out for What To ‘bore’ means to create a hole or tunnel by using a drill-like motion with a tool called a bore. Bore establishment and development is often a significant source of sediment in our waterways. This can often...