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Marine & Civil Engineering

Marine and Civil Engineering

With 20 years of experience, we are able to provide a professional, cost effective solution for our clients.

We have an outstanding safety record and are fully compliant with the current industry and HSE diving regulations.

Our expertise includes marine & underwater construction and underwater installations.
Burning & Cutting

BURNING & CUTTING

  • Exothermic lance cutting
  • Broco burning
  • Steel cutting
  • Pile removal
  • Sheet pile cuttings
  • Cofferdam removal
  • Anode removal
  • Underwater demolition

 

Welding

WELDING

  • Surface Welding
  • Plate installation
  • Pile repairs
  • Patch repairs
  • Anode installation
  • Shutter fabrication
  • Underwater fabrication
  • Underwater welding
  • Coded Welders

 

Concrete Repairs

CONCRETE REPAIRS

  • Patch Repairs
  • Shuttering
  • Pressure grouting
  • Concrete mattresses
  • Bag work
  • Cut out & prepare
  • Concrete Inspection
  • Tap testing
  • Void filling
  • Crack Sealing

 

Inspection and maintenance

INSPECTION & MAINTENANCE SERVICES

We carry out surveys, inspections and maintenance on all types of marine and inland underwater structures including:

  • Marinas, bridges, jetties, dockside walls, buoys and moorings
  • Outfall surveys, weirs, slices, lock gates and canal walls
  • Confined Space Inspections (Tanks, Culverts, Tunnels, Sewage Tanks)
  • Pre commissioning surveys and inspections
  • ROV, Video & photographic reporting
  • Cathodic protection measurement / Bathy readings
  • NDT – thickness readings, UT Reading

 

Scour Protection

SCOUR PROTECTION

  • Rock armour installation
  • Rock armour placement
  • Gabon basket installation
  • Concrete mattress installation
  • Grout mattress installation
  • Concrete bag installation
  • Grout jacket installation
  • River protection
  • Sea protection
  • Fill scour holes
  • Bridge abutment & pier repairs

 

Mechanical Engineering

MECHANICAL ENGINEERING

Working across marine and inland environments - Docks, Harbours, Ports & Marinas, and inland sites - Rivers, Lakes, Canals, Locks, Reservoirs, we offer a range of engineering skills.

  • Underwater systems & sensor installations
  • Underwater instrumentation – flow meters, tide gauges, sensors
  • Lock gates
  • Underwater valves installation
  • Underwater valves repair
  • Underwater pipeline
  • Pipe work blanking
  • Underwater cable installation & inspection
  • Aeration system installation & maintenance
  • Underwater outfalls, outlets & intakes
  • Grilles & grating installation

 

CIVIL ENGINEERING & MARITIME CONSTRUCTION SUPPORT

CIVIL ENGINEERING & MARITIME CONSTRUCTION SUPPORT

Working together with major construction companies, utility companies and authorities.

  • Diving operations to support marine construction projects
  • Specialist and experienced diving sub-contractor
  • Docks, harbours, canals, rivers & reservoirs
  • Pilling support
  • Dredging support
  • Safety boats & pontoons

 

Confined Space

CONFINED SPACE

All the divers at Commercial and Specialised Diving are Confined Space certified and have the experience to undertake:

  • Tank inspections
  • Culvert inspections
  • Tunnel inspections
  • Bridge inspections
  • Potable water tank inspection
  • Sewage tank inspections
  • Storage tank inspections
  • Reservoir tank inspection
  • Chambers

Our dive teams can carry out any of the above if flooded.

We are also able to inspect pipe work with:

  • ROV’s
  • Remote cameras
  • Crawler cameras
Recovery and Clearance

RECOVERY & CLEARANCE

From harbours and marinas to canals and rivers, our comprehensive salvage and clearance skills cover:

  • Salvage & recovery
  • Debris clearance
  • Underwater searches
  • Lifting & rigging
  • Sunken boat recovery
  • Car recovery & clearance
  • Debris & trolley clearance
  • Canal & river clearance
  • Historical artefact recovery

 

Industrial Diving

INDUSTRIAL DIVING

From tanks and submerged factory culverts to lagoons, Commercial and Specialised Diving offer a range of industrial diving skills.

  • Storage tanks
  • Sprinkler tanks
  • Clean / potable water diving
  • Dirty / contaminated water diving
  • Confined space diving
  • ROV Inspections

 

SCIENTIFIC SURVEYS & ARCHAELOGICAL SUPPORT

SCIENTIFIC SURVEYS & ARCHAEOLOGICAL SUPPORT

  • Environmental data gathering and sampling
  • Seabed surveys
  • Seabed sampling
  • Monitoring
  • Video reporting
  • Artefact recovery
  • Archaeological surveys on structures and wrecks
  • Installation & maintenance of monitoring equipment

 

Shipping Services

SHIPPING SERVICES

Commercial & Specialised Diving have a long-established relationship with the shipping world and offer an informed and experienced service which includes:

  • MCA Hull surveys & hull inspections
  • Condition surveys & damage reports
  • Propeller inspection, clearance & polishing
  • Discharge & intake blanking
  • Anode replacement & anode installation
  • Debris clearance
  • Underwater searches
  • Thickness measurements