Underwater inspection of objects and terrain

• Underwater TV system with divers
• Underwater photography with divers
• ROV – up to 200m depth, 600m distance

Geodetic Underwater and Surface Surveying

• Sonar system
• GPS positioning

Steel Constructions
NDT Methods

• Ultrasonic – underwater control of material thickness
• MPI – underwater control of welded

Construction and rehabilitation works

• Underwater welding
• Underwater cutting
• Underwater anticorrosion protection

Concrete Constructions
NDT Methods

• Concrete ultrasonic – damage and crack detection detection in underwater concrete constructions
• Schmidt hammer – underwater quality assessment of surface concrete construction

Destructive Control Methods

• Concrete sampling from characteristic positions – core drilling with sanation
• Sample analysis and reporting by certified laboratory

Repair and construction works

• Underwater concreting
• Underwater concrete injection and repair by epoxy and polyurethane materials
• Surface cutting and Underwater cutting of reinforced concrete with Diamond Wire Saw Technology.
• Underwater reinforced concrete core drilling up to 600mm/700mm diameter
• Underwater Anchor Installation

Repair and Construction of Breakwaters and Ports

Repair and Construction of Underwater Intakes, Pipelines, Cables

Underwater Cathodic Protection

• Cathodic protection reparation
• Measuring  potentials of cathodic protection
• Anode replacement

Underwater Cleaning Works

• Floating Digger
• Air-lift system pumps,
• Venturi system pumps,
• Low pressure jetting
• High pressure jetting 

Dewatering objects and terrain by great capacity mobile pumps

Underwater Human Demining

Underwater Demolition-Mining Works

Ships Underwater Services up to Germanischer Lloyd Standards

Salvage Operation

Confined Space Works

Hazardous Waters and Hazardous Area Works

Rope Access Works

Watersupply Wells (types Ranney and Preussag) Regeneration

Corrosion Monitoring
 
Steel Constructions

NDT Methods

•  Ultrasonic – underwater control of material thickness
• MPI – underwater control of welded
• Corrosion Monitoring