National Pile Cropper’s (NPC) latest development is a new version of its award winning MultiBar cropper.
The pile cropper has been upgraded based on feedback from customers and work by NPC technicians in the field to improve safety, efficiency and performance.
The launch of the latest version of the NPC MultiBar cropper is available in three sizes: the 450-kg small MultiBar for 20 cm to 30 cm piles; the 550-kg MultiBar standard for 20 cm to 30 cm piles; and the large 600-kg MultiBar for 30 to 35 cm piles.
“Although the first multi bar croppers were the original pre-cast pile cropper, over the years we have continually refined and developed the NPC MultiBar cropper and now are pleased to announce the release of the very latest in state of the art multi bar pile cropping,” said NPC Director Lee Aston.
“The latest iteration is not just our own work. We’ve worked closely with some of the biggest civil engineering companies in the world to add features that makes the MultiBar safer, more efficient and more productive than ever.
“I also need to thank our technicians in the field as they’ve channelled feedback directly based on their real-world site experiences. Its this unique partnership that has enabled us to deliver high quality manufactured solutions with the features that are really required when cropping in the field.”
Although the MultiBar has gone through many development stages, the pile cropper still works in the same manner. It its lowered over the concrete pile, which is then reduced at 250 mm intervals enabling broken pile sections to be removed. The key to productive and efficient use is to ensure that the last bite at the finish level is of at least 250 mm to ensure a good cut is obtained.
“The cropper is best used by an excavator of at least 6 tonnes, and depending on the variant chosen, weighs either 450 kg , 550 kg or 600 kg. This all means that it’s small enough to be highly manoeuvrable but has the substance to deal with the toughest of precast piles with four or more reinforcement rebar,” Lee said.
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To provide a more efficient cropper, NPC used the feedback from customers and technicians and identified the MultiBar needed to have a reduced footprint and operating weight.
“We believe we have not only done this, but our redesign has also enabled the new MultiBar shape to evolve allowing easier operation around piles in close proximity whilst also providing protection for the hydraulic cylinders and hoses to avoid damage. At the same time, we have made it easier to repair,” Lee said.
“The MultiBar further benefits from a new range of specifically in-house manufactured chisels, designed with the purpose to not only penetrate the pile, but to leave a perfect finish with little or no tidying up. The new chisels effectively break up the concrete into pieces, and furthermore, the cropped unit can then easily be lifted off the pile enabling the removal and recycling of the cut away concrete in a safe manner.”
The New MultiBar has already been subject to extensive and successful field testing. It is now available in the United Kingdom and will be introduced globally in the coming months.
