Electronic screw jacking system

At the Principal Place Residential project, Multiplex and superstructure subcontractor Careys, introduced an electronic screw jacking system for its jump form rig. This is the first time that this has been used in Europe. These are safer, more accurate and more environmentally friendly than the standard alternative which uses hydraulic fluid.

Hydraulic fluid disposal or leaks can be harmful; if it finds its way into water systems or soil, it can take up to a year to degrade and be detrimental to plants and wildlife. According to US Agency for Toxic Substances, little is known about how toxic the breakdown products of hydraulic oil is. The electronic screw jacking system used at the Principal Place Residential eliminates the need for hydraulic fluid and subsequently the health and environmental risk associated with the substance.

The bespoke jacking equipment used is CE certified and manufactured in the UK. These are connected to electrical power boards which are equipped with the latest safety and override features. They are levelled with advanced laser technology, ensuring the jump form is always set up for optimum performance.

The simple, non-hydraulic components allow significantly shorter set up times when compared to conventional systems. The hacks are connected to a central control board, which has an up/down switch. If a jack goes wrong, it can be turned off. It has no hydraulic lines which need to be changed, cleaned or can leak.

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