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Terex CTL tower cranes in Edinburgh

"A building that will help change the appearance of architecture in the UK" - with this ambitious claim, international construction and engineering company Laing O'Rourke is building the St. James Shopping Centre in the heart of Edinburgh, which, once completed in 2020, will accommodate 85 shops, 150 apartments and a 12-storey luxury hotel. Cranes used are of crucial importance for the timely execution of this major project. The crane service provider Select Plant Hire is thus counting on the performance and efficiency of its Terex luffing jib tower cranes.

“Very powerful cranes are required to accomplish this enormously demanding construction project. We rely on a mix of different types in order to achieve maximum efficiency in terms of performance and cost-effectiveness in all areas of the construction site," explains Work Winning Leader Eddie Carr (Select Plant Hire). The large Terex CTL 1600-66 has a twofold task here: It is not only used for construction work, but was also used for setting up its four smaller "Terex family members" of the type CTL 430-24, which it will dismantle after completion of the project.

For one thing, this dual function is an advantage in terms of calculation, as it renders the use of a mobile crane superfluous. For another, the Terex CTL 1600-66 made it possible to set up the remaining cranes at the most favorable positions on the construction site, which would not have been accessible for a mobile crane due to the limited space available.

 

Logistical challenge: crane setup

Transporting the Terex CTL 1600-66 crane from the Select Plant Hire depot near Cambridge, more than 500 kilometers away, to the construction site required a total of 25 transport trucks. "The logistics and setup of the crane in the centre of Edinburgh with its dense and high buildings presented real challenges," reports Operations Leader Mick McKeon (Select Plant Hire). The crane components, including the anchorage base, had to be transported through the busy city centre during regular working hours - so adherence to the planned timeframe for setup was dependent on a meticulously developed plan that had to be strictly followed. Matters were complicated further because setup took place in December - with correspondingly few hours of daylight, and uncertain weather, although time reserves were planned to take this into account. “All this made the setup a major challenge”, explains Mick McKeon.

For this reason, Select Plant Hire deployed two four-persons setup teams to assemble the CTL 1600‑66. This ensured that despite the adverse conditions, after only five days in December 2017, the crane was ready for lifting on the construction site with a tower height of 47.7 m and a maximum jib length of 75 m. "With this configuration, the crane completely covers the required working radius while offering high lifting capacities throughout the working area, which is a prerequisite for rapid construction progress," explains Mick McKeon. This was also a reason to opt for the strongest tower crane from Terex Cranes, the CTL 1600-66. With 66 t, it not only offers a very high maximum lifting capacity, but it can also lift an impressive 16 t in the selected configuration with a jib length of 75 m. And these are not the only reasons why the CTL 1600-66 is a superlative tower crane: Its maximum load moment is up to 1,600 meter-tonnes, the maximum tower height is 89 m (standard free-standing configuration). It also has a rope length of 960 m and a powerful 150 kW drive. This enables hoisting speeds of up to 185 m per minute with loads of up to 2.5 t and 12 m / minute at its maximum load of 66 t.

 

Great confidence in technology

The CTL 1600-66 was able to demonstrate its enormous performance capability when it set up the other Terex cranes: "The heaviest components to be lifted were the slewing units of the cranes, which weighed 26.5 t with cab and platform," reports Mick McKeon, who is very confident about how the project is proceeding: "We know that the Terex tower cranes deliver their high performance very reliably in the long term and we are confident that despite the tight schedule for the project, we will meet out deadlines."

 

About Laing O’Rourke

Through its operations around the world, across building and infrastructure sectors, Laing O’Rourke’s 2025 mission will see the business secure its position as the recognised leader for innovation and excellence in the construction industry.

With a heritage that draws on more than 160 years’ experience and a diverse group of vertically integrated businesses, Laing O’Rourke has helped forge cities, communities and economies.

We attract and develop the very best people. Our 15,000 people across the UK, Australia, the Middle East and South East Asia deliver engineering innovation, project leadership and certainty for our clients on the world’s most complex and challenging buildings and infrastructure.

www.laingorourke.com @laing_orourke


About Select Plant Hire

Founded in 1985, the Dartford-based company is part of the Laing O'Rourke Group and is one of the UK's leading suppliers of construction services and equipment. Its range of services includes a wide selection of technical equipment, implements and tools for all conceivable construction projects of all sizes. In addition to branches throughout the UK with highly qualified service personnel, Select Plant Hire also has offices in Australia and the United Arab Emirates.

For more information, please visit www.selectplanthire.com


About Terex


Terex Corporation is a global manufacturer of lifting and material processing products and services. In combination with a wide range of services, Terex offers lifecycle solutions that enable its customers to achieve the highest return on investment. Major Terex brands include Terex, Genie, Powerscreen, and Demag. Terex solutions serve a broad range of industries, including construction, infrastructure, manufacturing, shipping, transportation, refining, energy, utilities, quarrying and mining. Terex offers financial products and services to assist in the acquisition of Terex equipment through Terex Financial Services. More information about Terex is available on its website: www.terex.com, and on its LinkedIn page -- www.linkedin.com/company/terex and Facebook page -- www.facebook.com/TerexCorporation.

Edinburgh Terex CTL towers

 

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