Contractors World

The online digital publication for the construction, demolition, mining and quarrying industries.

  September 2009
Buyers Guide
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REPORTS in this issue from:

  • Brazil
  • Hungary
  • Italy
  • Mongolia
  • Qatar
  • Singapore
  • UAE
  • United Kingdom


UNITED KINGDOM Tough Marine Salvage Job [cont]

Haulotte platfroms had to travel fast and carry full welding equipmentPrecision Working Essential
Being able to manipulate the platform smoothly and with precision allowed the operators to place the basket at the most convenient position close to the ship's hull to make it as easy as possible for slicing through the steel plate, which could be up to 24 mm thick, with the oxy-acetylene cutters.

The steel hull was progressively cut into 1 ~ 2 tonne pieces before being lowered onto a Cat articulated dump truck by heavy-duty tracked Case excavators.

“In specifying access platforms, we looked for versatility. We wanted to minimise travel of the platforms as much as possible,” explained Peter Cordwell. “The Haulotte machines, with their articulating booms and telescopic extension allowed the operator to reach a large area without having to travel. And, although working on sand, they also proved extremely stable, even when used to their maximum height.”

As the demolition works progressed, the articulating boom allowed each platform to reach into the ship to facilitate internal working.

The 7 t. Haulotte HA 16 PX has a maximum working height of 16 m and a maximum outreach of 9.1 m. Maximum travel speed is 5.5 km/h. Four-wheel drive and steer allows the platform to cope with the variable ground conditions and with a gradeability of 50%, even severe gradients are no problem. A load limiter in the basket prevents the operator from over-reaching. The zero-tail-swing design allowed the platforms to work closely up against the ship's hull. By the end of the job, the machines had met every requirement of PGC Demolition.

Case excavators on Riverdance demolitionWorking under the watchful eye of the Coast Guards, who constantly monitored activities to ensure that there was no pollution of the beach, PGC were pleased with progress. “By the time we had finished, and scoured the beach with metal detectors to locate the smallest scraps of metal, there is now nothing to show that there was ever a ship on the beach”, says Peter Cordwell confidently.

PGC Demolition Contractors World Enquiry Form
Haulotte Group Contractors World Enquiry Form
Case Construction Contractors World Enquiry Form
CaterpillarContractors World Enquiry Form

Case excavators were used to lower the 1-t. pieces where they were hauled off the beach by Cat articulated dump trucks.

All equipment had to retreat to the land as the tide came in an be ready to speedily recommence demolition work as soon as the water level permitted.



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