About us

SALVAGE:

  • SUNKEN or STRANDED Ships
  • HARBOURS Clearance & Wreck Removal
  • Underwater Rapid Attachment (patches)

In-Water INSPECTION:

  • REASONS for Inspection
  • Survey Inspection EQUIPMENT
  • VESSEL In-Water Surveys
  • Marine INFRASTRUCTURE Surveys
  • MOORING Survey Inspection
  • General Survey Inspections
  • CORROSION Inspection
  • Measuring Metal Thickness
  • R.O.V. Inspection

In-Water CLEANING:

  • WHY Cleaning? HOW to clean?
  • HULL and RUDDER
  • PROPELLER (cleaning/polishing)
  • Marine INFRASTRUCTURE
  • Sacrificial ANODES
  • Water JETTING (high and low pressure)

In-Water REPAIRS, MAINTENANCE:

  • Shipwork
  • Cofferdam
  • Marine INFRASTRUCTURE (overview)
    • PILES Rehabilitation
    • PILES/PIPES Corrosion Prevention
  • Single Point Mooring System (CALM & SALM)
  • Wet WELDING & CUTTING

CIVIL WORKS & ENGINEERING:

  • Dredging & Excavation off small BARGE
  • Dredging, Jetting, Air-Lift, Dewatering by DIVERS
  • Underwater DRILLING & BREAKING
  • POST, PIPE, HOLLOW Section PILING with Portable hydraulic Hammer
  • Maritime CONSTRUCTION
  • Maritime DEMOLITION
  • Marine OUTFALLS & Diffusers
  • PIPELINES installation & maintenance
  • Engineering

SEABED & EARTH ANCHORING:

  • Cyclone Anchor Lines for rental
  • MOORING Line: what's the (best) choice?
  • HELICAL / SCREW Anchors information
  • SCREW Anchors Mooring Systems
  • PIPELING Anchoring
  • Jetty & Walkway FOUNDATIONS screwing
  • Expending Rock Anchors
  • Grouted Rock Anchors
  • Instant Foundation Anchors
  • Earth Retention


Chance Civil Engineering

  • MANTARAY Anchors
  • GROUND Anchor Systems


Williams Form Engineering Corporation

  • TOWAGE, Dive Support Vessel, Barges:
  • Tug Boat
  • Barges & Multipurpose Dive Platform   

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  • ABC Diving LTD International HOME page

Subsidiaries:

  • SEAWORKS (Vanuatu)
  • SEAWORKS (New Caledonia)

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Other useful Websites:

Diving

  • ADAS Training Courses/job/careers
  • New Zealand School of Commercial Diving Training
  • Commercial Diving New Caledonia

Nautical Institutions

  • IMCA International Marine Contractors Association
  • BIMCO Baltic & International Maritime Council
  • IMO International Maritime Organization
  • Institute of Chartered Shipbrokers
  • Institute of Marine Engineering Science and Technology
  • International Federation of Shipmasters’ Associations
  • International Ship Managers’ Association
  • Maritime and Coastguard Agency
  • Nautical Institute
  • Lloyd’s List

Maritime Information

  • Maritime Information
  • BRL Shipping Consultants
  • Marine Data
  • Marine Link
  • www.shippingjobs.com

ABC Diving® Ltd

Port Vila, P.O. Box 3242 VANUATU South Pacific

Complete Diving Services to Vessels & Civil Engineering Industry

We operate in north and south Pacific Islands; more specifically in Samoa, Fiji, New Caledonia, Vanuatu, Salomon, PNG...

Please, contact us for:

ROUND PILES AND PIPELINES CORROSION PREVENTION

- STEEL application, possibly CONCRETE and TIMBER -

ABC Diving provides a very efficient surface protection by using DENSOLEN®-Tapes and Tape-Systems, which have been used for more than 40 years for the reliable corrosion protection of buried pipes, joints, bends and fittings.

DENSOLEN® consists in:

  • Three-ply tapes symmetrically or asymmetrically structured plastic tapes with stabilised polyethylene carrier film and butyl rubber adhesive layers on both sides.
  • two-ply tapes consist of a stabilised polyethylene carrier film with a butyl rubber adhesive layer on one side.

Why use DENSOLEN Systems?

  • This corrosion protection system is ideal for use in the tidal zone.
    The combination of high oxygen, salt spray and drying/wetting action of the tides makes the tidal zone the most corrosion-prone portion of any marine asset. The Densolen system works by ‘passivating’ the underlying structure, whether it be STEEL, CONCRETE or TIMBER:
    => It forms a membrane through which no water or gas can pass
    => It is a barrier to oxygen, water and water borne pests such as Torito worm;
    => Therefore, it is an ideal product for pile repair and protection.
  • Sealing can provide Galvanic insulation between two different parts of metal to avoid contact corrosion.
  • Densolen system has a long term track record proving its effectiveness.

TAPE SYSTEMS

DENSOLEN®-Tapes can be combined into tape systems in different ways.

Only tapes of these types, self-amalgamate in the overlap areas and forming a sleeve-type coating, are impermeable to water vapour and oxygen. Mechanical protection can be provided as well.

All DENSOLEN®-Tape systems are applied onto a coat of DENSOLEN®-Primer, a solution of butyl rubber and hydrocarbon resins in organic solvents. The primer facilitates and improves tape adhesion to steel surface and adjacent mill coating.

FIELDS of APPLICATION

Since 1971 such tapes have been successfully employed for versatile fields of application in construction of cross country and distribution pipelines as well as in pipeline rehabilitation. DENSOLEN®-Tapes can effectively be used on all pipe diameters by employment of adjusted tape widths and suitable wrapping machines.

Nowadays DENSOLEN®-Tape Systems still represent the state of the art in corrosion prevention tape technology.

SUPPLEMENTARY PRODUCTS


Viscous butyl rubber mastic for filling of voids. For subsequent wrapping with DENSOLEN®-Tape systems


Rot proof polypropylene fibre fleece material for the additional mechanical protection of corrosion protective coatings

CORROSION PREVENTION OF IRREGULARLY SHAPED METAL OBJECTS

The best way to protect irregularly shaped metal objects in pipeline construction is by applying a highly conformable petrolatum tape. Adding a rockshield to the petrolatum tape will give an excellent mechanical protection.


Valves and flanges applications

You may be interested with:

  • PILES REHABILITATION

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