Details of the project included:

Erosion and sediment control

• Installation of silt Fence, Discharge pump, spillway, clean water diversion and Dirty water diversion drain

• Excavations and transport of material

Levelling – Safety Threshold Buttress

• Site Preparation and planning, Strip Topsoil to Ash, compaction testing, import bottom ash, batter slopes and finish levels

Safety Threshold Buttress Working Platform (Upper and Lower)

• Site preparation and planning, place fill in 300mm loose layers, compact and test, batter slopes to specifications, finish levels, repeat for working platform including Proof roll with Watercart

Civil Drainage Works

• Site Prep & Planning, Excavation Works using GPS, construction and installation of Inlet and outlet Structures Rock drains/Weir, Stilling Basins and stormpro pipe install (900mm), Geo Fabric Install and rock lining Shotcrete Drains and Concrete Works, clean water system connections