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Crossings (temporary and permanent)

Crossings (temporary and permanent)

Specific Tasks Waterways Crossings (temporary and permanent) What, why, when and issues to look out for What Temporary If you are installing a temporary crossing, there are a number of options. From an erosion and sediment control point of view, we recommend this...
Other waterway tasks

Other waterway tasks

Specific Tasks Waterways   Other waterway tasks Here are some quick tips for these other specific tasks in waterways: Concrete Sediment removal and dredging Weed removal Concrete At times, you will have to use concrete within a waterway. Some examples include:...
Coastal marine

Coastal marine

Specific Tasks Coastal marine By ‘coastal marine area’ (CMA), we mean the foreshore and seabed below mean high-water spring tide (MHWS). Types of earthworks in the CMA usually disturb the foreshore or seabed, and include reclamation activities, coastal erosion...
Trenching for pipelines and cables

Trenching for pipelines and cables

Specific Tasks Coastal Marine Trenching for pipelines and cables If trenching is required within the CMA, there are two main scenarios: The works are in the intertidal area above low tide and can be done incrementally between tides Trenching is done below low tide...
Piling and abutment works

Piling and abutment works

Specific Tasks Marine Coastal Piling and abutment works Piling and abutment works require works within the CMA, including working above the water. This creates a challenging working environment where preparation and planning is critical. Piling works also often...