Maintenance Dredging

Canal Entrance and Sand Trap Dredging (Port Geographe, WA)

Canal Entrance and Sand Trap Dredging (Port Geographe, WA)
Location: Port Geographe, Western Australia

We have dredged approximately 70,000m3 of sand, silt and sea grass from the canal entrance and sand trap area, in various contracts, over the past 8 years...(click on picture for more info)

Murchison River Ocean siltation (Kalbarri, WA)

Murchison River Ocean siltation (Kalbarri, WA)
Location: Murchison River, Kalbarri WA

We have dredged approximately 600,000m3 of sand and silt from the entrance and river in annual contracts almost every year over a twenty year period...(click on picture for more info)

Bandy Creek Boat Harbour Entrance Channel (Esperance, WA)

Bandy Creek Boat Harbour Entrance Channel (Esperance, WA)
Location: Esperance, WA

We have dredged approximately 300,000m3 total of sand and weed from the entrance 6 times now. CGC are the only company to have dredged this site without significant problems...(click on picture for more info)

Denham Harbour and Entrance Channel, WA

Denham Harbour and Entrance Channel, WA
Location: Denham, WA

30000mof dredging is underway at the harbour, inner & outer entrance channel to maintain a navigable waterway for commercial and recreational users of the area...(click on picture for more info)

Peel Inlet, WA

Location: Dawesville, WA

We have dredged a combined total of approx. 50,000m3 from the Novara, Dawesville and Parkridge boat ramps as well as clearing siltation from the Mandurah canals three times, Mandurah marina twice, Dawesville marina, Eastport canals, junior sailing club and Northport canals. We also dredged the Sticks Channel which was cleared and widened by us some 20 years ago.
 

Yunderup Canal Entrance Channel, WA

Location: Yunderup, WA

We cleared 3 km of mainly offshore channel and pumped all spoil through submerged lines to an offshore disposal point including boosting.

Murray and Serpentine Rivers Entrance Channel, WA

Location: Shire of Murray, WA

Three separate contracts have been successfully performed by us since 1985, each of around 20,000 cubic metres.

Onslow, Beadon Creek Harbour Entrance Channel, WA

Location: Onslow, WA

We have removed 11,000m3 silt from the entrance channel in sometimes difficult sea-state and currents. A second contract for 30,000m3 just completed.

Teggs Channel, WA

Location: Carnarvon, WA

We performed 3 different dredging campaigns each approx. 50-70,000m3. We dredged to either an off-shore disposal point or the Harbour precinct by boosting across the Fascine entrance channel to a disposal point 1800m from the dredge. This project can have very difficult sea state and currents. CGC are the only dredging company to have completed this project each time without significant problems.

Carnarvon Fascine, WA

Location: Carnarvon, WA

We have performed maintenance dredging in the harbour and the entrance channel alignment a number of times.

Exmouth Marina Village, WA

Location: Exmouth, WA

We deepened the existing canals by removal of rock spalls from the hard rock floor. At the same time we dredged some sand accretion from the entrance channel. The total canal area was 23,500m2.

Hardy Inlet, WA

Location: Hardy Inlet, Augusta

We removed approximately 17,500m3 of sand and silt material from an existing channel 2.3km in length and formed an offshore island.

Mermaid Marine Slipway, Dampier WA

Location: Dampier, WA

We dredged approximately 7,000m3 of drift sand and natural clay floor from along the sides of the slipway to stop the ingress of drift sand.