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Demag CC 6800-1 Lattice Boom Crawler Crane Erects Steel Structure

Wed September 05, 2018 - National Edition
terex


The CC 6800-1 crane was scheduled to be at the work site for a total of 10 months.
The CC 6800-1 crane was scheduled to be at the work site for a total of 10 months.

Crane service provider Sarilar faced two main challenges when erecting a new building at the premises of the Adana Sugözü coal-fired power plant on behalf of Termokimik: On one hand, the steel structures that needed to be lifted had a length of more than 164 ft. (50 m) and weighed 292 ton (265 t), making them not only extremely unwieldy, but also heavy. This meant that the only possible solution was to use a powerful crane. On the other hand, space at the work site was extremely tight, meaning that the crane also had to be very compact and maneuverable. The Demag CC 6800-1 lattice boom crawler crane met these requirements.

However, the crane first needed to be transported from the Sarilar location in Gebze, near Istanbul, to the work site in Adana, in the south of Turkey.

“Our convoy of just under 30 transport trucks and five heavy-haulage lowbed trailers needed almost two weeks to complete the 900-kilometer journey,” said Technical Manager Zafer Yazici, who was responsible for the project.

Once the convoy arrived at the work site in Adana, the 10-person rigging team started tackling the challenges that awaited it: “We had to set up the crane while the power plant was running. This, of course, meant that there were a number of restrictions that we had to observe, especially in terms of when and where we could move. So you need to add that to the fact that space at the premises was already pretty tight. We also had to use two telescopic cranes to set up the boom, sometimes working at heights of up to 15 meters. Our technicians used an aerial work platform for all work at height rigging operations,” Yazici said when describing the challenging conditions at the site.

In view of these challenges, the extremely high temperatures that were sometimes experienced by the Sarilar team at the work site were virtually of no consequence.

“We're used to the heat and our team can definitely handle it,” Yazici said

Lifting Height of Up to 328 Feet

For the lifts, the team chose an SWSL boom configuration with a 236 ft. (72-m) main boom and a 138 ft. (42-m) luffing jib. With this setup, the CC 6800-1 was well equipped to lift the 171 ft. (52-m)-long, 16.4 ft. (5-m)-tall, 1.6 ft. (0.5-m)-wide, 281 ton (255-t) steel structures at a radius of 144 ft. (44 m) to heights of up to 328 ft. (100 m).

“Despite meticulous preparation, this was a challenge for our crane operators, as the tight space conditions required utmost precision. However, the fact that the CC 6800-1 features extremely responsive controls made their work much easier and confirmed that we'd chosen the right crane for the job,” Yazici said.

In order to ensure that everything would be under control at all times during the lifts, the three crane operators were assisted not only by the site manager, but also by a supervisor and several signalpeople.

Everyone Brings Their A Game

The CC 6800-1 crane was scheduled to be at the work site for a total of 10 months.

“Thanks to our careful planning and the crane's high reliability, we were able to stick to this schedule without a problem. In fact, the crane proved to be a highly dependable and extremely powerful machine during every single project phase,” Hanifi Gürbüz, who is on Sarilar's board of directors, said.

The feedback from Termokimik, which operates the power plant, was just as positive, and the company's expectations were more than met by Sarilar.

About Sarilar Uluslararasi Nakliyat

The Turkish SARILAR Group is not only headquartered in Gebze, near Istanbul, but also has locations in Izmir and Mersin. The company offers its comprehensive services worldwide, including heavy-load lifts of all types that it carries out with a fleet of more than 200 telescopic and lattice boom mobile and crawler cranes — of which 17 are Terex cranes. In addition, SARILAR can take care of heavy haulage projects for weights of up to 15,873 ton (14,400 t).

For more information, visit www.sarilar.com.tr

About Terex

Terex Corporation is a global manufacturer of lifting and material processing products and services delivering lifecycle solutions that maximize customer 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.

For more information about Terex, visit www.Terex.com.