About us

SALVAGE:

In-Water INSPECTION:

In-Water CLEANING:

In-Water REPAIRS, MAINTENANCE:

CIVIL WORKS & ENGINEERING:

SEABED & EARTH ANCHORING:


Chance Civil Engineering


Williams Form Engineering Corporation

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Subsidiaries:

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Other useful Websites:

Diving

Nautical Institutions

Maritime Information

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:

VESSELS In-Water SURVEY (IWS - UWILD)

Implementation of equipment and skills in accordance with classification society requirements


Commercial diving helmet set up with Full HD CCTV Camera (1933 H x 1088 V pixels) + Laser Pointer + light

  • Complete HULL and/or RUNNING GEAR survey (struts, fairwaters, rope guards, props, rudders, bearings, etc.)
  • Non-destructive TESTING (NDT*) of nominated areas on the hull shell plating and other appendages (Ultra thickness measurement)
  • CORROSION damage inspection
  • CATHODIC protection potential surveys: anode inspection measurement
  • MARINE GROWTH inspection (and removal)
  • DEBRIS inspection (and removal)
  • SCOUR and STABILITY inspections.

* NDT Also called Non-Destructive Examination (NDE) or Non-Destructive Inspection (NDI).

Biofouling (CRMS compliant) or damage assessment survey

 

 

RUDDER, stock and bearings Class Survey

  • Check STOCK for cracks and connection to rudder for loose or missing bolts or nuts.
  • Check UPPER SUPPORT HOUSING for obvious wear, loose or missing bolts/nuts, locking devices and any missing components or presence of debris.
  • Check TOP PORTION of RUDDER for missing filling plugs, corrosion and damage.
  • Check INSPECTION PLATES for security of all bolts or nuts, and that no gasket material is hanging loose or parts of gaskets missing.
  • Check LOWER PORTION of RUDDER drain plugs, lower inspection plate(s), and lower bearing.
  • Check the clear MOVEMENT of Rudder from side to side (with diver on propeller shaft) and position checked for alignement;
  • Measure rudder tracking edge to prop boss when rudder hard to port hand hard to starboard.

Sacrificial ANODES Suvey

  • Check and report percentage WASTE + degree and coverage of PITTING
  • Check if securely attached (LUGS or BOLTS corrosion/damage)
  • On site Digital Still PHOTOGRAPHY Report
  • REPLACEMENT process.

PROPELLER and Shafting Class Survey

 

  • Check both for DAMAGE, LOCKING devices, and that no significant GAP exists in any JOINTS.
  • Check each BLADE for CHIPPING, CRACKS, DISTORSION, 'polishing'.
  • If variable PITCH, check each blade's securing flange, nuts and locking devices.
  • Check that no DEBRIS, i.e. wire, rope, nylon, etc., has intruded on fittings and Clear
  • Check each blade as it is 'feathered'.
  • Check ROPE GUARD for security, fixtures and securing bolts and locking devices. Check that no line or wire rope has entered the gap between guard and propeller and Clear
  • If 'A' brackets are fitted, check for damage and any cracks, particularly the welds or attachment devices to both hull and shaft housing.
  • Check all bearings and shafts for OIL LEAKS.

TRANSDUCER Inspection for replacement

  • Check dimensions
  • Check nature of the body material
  • Check any defect.

You may be interested to know about: our video and still-photography equipment

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