Home > Enerpac’s first wireless SyncHoist system deployed on $72m Riverwalk Project for safety and efficiency

Enerpac’s first wireless SyncHoist system deployed on $72m Riverwalk Project for safety and efficiency

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article image One of the Riverwalk’s concrete elements is suspended from the SyncHoist’s four yellow hydraulic lifting points
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The proven synchronous lifting technology from Enerpac (A Division of Actuant Corp) was deployed in a new wireless-controlled version at the prestigious Brisbane Riverwalk project for greater precision and safety.

Some of the world’s most advanced high precision, high safety hydraulics are being deployed on the new $72 million Brisbane Riverwalk project to lift, shift and position the complex and heavy concrete castings.

The John Holland project will involve the world’s first application of the new wireless-controlled and diesel powered version of the Enerpac SyncHoist load hoisting and positioning system, which offers precision load manoeuvring vertically and horizontally using one crane instead of multiple cranes.

This latest version of the PLC controlled SyncHoist technology was developed for heavy lift and transport specialists Universal Cranes by Enerpac Integrated Solutions to safely control irregularly shaped and uneven loads weighing up to hundreds of tons while reducing the risk of damage from oscillations of wire rope due to sudden crane starts and stops.

Universal Cranes’ new wireless SyncHoist technology is an evolution of the SyncHoist technology already used successfully to ensure optimum accuracy and safety in the hoisting and positioning of key components of one of the largest ships ever built for the Royal Australian Navy, the 28,000 ton Helicopter Deck (LHD) vessel project underway at Williamstown, Victoria.

Enerpac’s wireless synchronous lifting technology is being used at the Riverwalk project in conjunction with a series of Enerpac Integrated Solutions lifting, pulling and skidding technologies employed on different parts of the project to manoeuvre concrete elements weighing up to 385 tons that will make up the 850m Riverwalk link between new Farm and the Howard Smith wharves.

Due for completion by the middle of this year, the new Riverwalk replaces the popular floating walkway that was swept away in the 2011 Brisbane floods. Unlike the previous floating structure, the new Riverwalk will be fixed in place, sitting about 3.4m above mean sea level and will feature a rotating span to allow access for boats moored within the confines of the Riverwalk, in addition to 24-hour lighting, separated pedestrian and cycle areas and shaded rest stops.

Mounted on a 280 ton barge with crane and 130 ton piling rig, Universal Cranes’ SyncHoist system employs intelligent hydraulics to monitor and guide compact but powerful 700 bar double-acting push-pull cylinders integrated into four lifting points above the loads. The SyncHoist SHS system can also be used for pre-programmed positioning, tilting and aligning of loads and for counterweighting and determining their centre of gravity.

Enerpac Integrated Solutions Manager for Australasia, Mr Richard Verhoeff explains that the SyncHoist system allows Universal Cranes to achieve maximum precision at the Riverwalk project through wireless operation, with the crane operator doing the positioning while driving.

The synchronous lifting controls each of the four lifting points to within minute tolerances, allowing him to pick up the load evenly with optimum balance and safety. The driver can also see the specific load on each point, enabling him to do some point loading to enhance stability. Wireless control of the latest SyncHoist enables the crane driver to more simply perform complex load lifting, shifting and positioning manoeuvres from his cab, ensuring the loads remain evenly poised during the process, while performing point load indications and checks where required.

Available in load capacities customised to individual tasks, with system reach of 1500mm from each of several lifting points, SyncHoist offers very high accuracies (±1.0mm), less dependence on weather conditions and vastly improved operating speed and worker safety.

According to Mr Verhoeff, the independent diesel power built into the Riverwalk system also means the system can be deployed virtually anywhere without its hydraulic functionality being dependent on fixed or separate power sources such as generators, making the technology particularly valuable in remote applications such as oil, gas, mining and energy, or large-scale applications such as bridges, ports, shipbuilding and infrastructure.

The system combines diesel drive and wireless control in a totally self-contained design, eliminating the need to have power cables lying around or hoses connected between a hoisted object and the pump unit, because this pump unit can be positioned on the load itself or on the spreader frame used to perform the lift.

The Riverwalk project also involves a combination of complementary Enerpac Integrated Solutions technologies that are used to lift concrete elements from their mould and deliver them to the point where they are lifted onto the barge by the SyncHoist system.

A total of 55 10-ton compact Enerpac RCS 101 low height cylinders with 38mm stroke are used to separate cast concrete elements from their mould so they can be lowered onto a series of Enerpac ER 80 heavy duty load skates on which they are pulled nearly 300m for delivery to the barge containing the SyncHoist. Pulling power for the skidding operation is provided by pairs of RR series double-acting Enerpac RR 3014 cylinders with 14-inch (368mm) strokes. 

For more information, click here,

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