CDC Diving Services can support Dredging Operation with regards to:
Deepening of harbours.
Sand bypass systems.
General overburden removal.
Dredging in hard to access places.
Sump clean outs.
Dredging of slipways.
Sinking caissons into mud/sand.
De-silting of sunken vessels.
CDC is committed to offering efficient dredging services at reasonable rates. CDC specializes in dredging hard to access places where larger dredges cannot reach. CDC has a wide range of dredging equipment and can accommodate any dredging requirements received from clients.
Dredging Projects Undertaken:
Transnet downhaul pulley system change out.
NSRI rail-slipway build and sinking caissons into the mud and sand.
Larianna wreck penetration and removal of silt buildup.
CDC is committed to maintaining high health and safety standards at all times on any site.CDC can undertake any civils project and is committed to problem solving by providing simple but practical solutions. CDC has gained vast civils experience over the years and prides itself in completing a project efficiently while doing as little harm to the environment as possible.
CDC diving services can support civil construction/ demolition work with regards to:
Underwater welding and cutting (Hydraulic/Broco)
Complete slipway builds.
Life extension of assets by means of cathodic protection.
Pipeline installations and maintenance as well as valve removal and replacement.
Sheet piling repairs and quay wall repairs.
Core drilling and grouting.
Underwater concrete casting and shutter board assembly.
Hydraulic fender installations.
Quay wall inspections and repairs.
Underwater structural inspections.
Dam wall repairs and blanking.
Civils Projects Completed
Haw & Inglis jetty removal and dredging.
Transnet downhaul pulley change out.
Transnet harbour wall inspections.
Basil Read: Building of breakwater.
NSRI complete rail slipway build. Sinking of concrete Caissons.
Transnet sheet piling repair and Quayside rehabilitation as well as void filling.
CDC has successfully completed four salvage operations. One being the removal of 80 tons of diesel from the fishing vessel, Baratz, that sank off Cape Recife in 30 meters of water. Another salvage was the Larianna, a 60 tonne concrete vessel that sank in Port Elizabeth harbour. CDC has a 24hr rapid response maritime emergency team.
Salvages Completed by CDC
Baratz, Cape Recife, as well a removal of 80 tons of diesel from 30m of water.
General wreck site clean up and equipment removal.
Port Elizabeth harbour wreck removal.
Jays / Syncro
CDC Diving can support salvage work with regards to:
Floating sunken vessels.
Wreck removal of shipwrecks.
Rigging and lifting.
Cutting up of wreckage and removal.
Environmental clean up of wreck sites as well as fuel, oil and hazardous substance
CDC diving services has been providing practical, but efficient diving solutions since 2006 and has gained vast experience in all aspects of diving. CDC strives to deliver excellence in all aspects of diving. CDC strives to deliver excellence the diving industry and prides itself in completing a project while adhering to good health and safety diving practices that comply with SA law and IMCA regulations.
CDC Diving can support diving work with regards to:
Dam jobs, blanking, valve change outs, sluice gate repairs.
Diver operated dredging.
CDC Diving Service believe that properly maintained equipment goes hand in hand with production and makes way better divers. DCD believe in a continuous maintenance programme, therefore, we have workshops.
One workshop is dedicated to maintaining our SSDE and containerized diving systems. The second workshop does maintenance on our diving vessels and other equipment, such as dredge pumps, hydraulic power packs etc. CDC has a vast range of specialized equipment, ranging from but which is not limited to:
SSDE containerized diving systems.
Side scan sonar vessels.
Diving support vessels.
Dredge pumps and airlifts.
All SSDE systems contain full CCTV video and photographic equipment.
CDC offers a surveying service which can support work with regards to:
Harbour wall surveying.
Dam wall surveys.
Bridge stability surveys.
Jetty stability surveys.
Side scan sonar plotting and charting.
Wreck and pipeline surveys.
Hazard identification and debris surveys.
After a survey has been completed the CDC diving supervisor will compile a full video and still photograph report within 24 hours and it will be handed over to the client in hard copy and in digital format.