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Lift of a 30x30m and 75 t roof The company Poppe&Wittrock from sthe south of Berlin had in 2004 the job to lift a wooden roof of 30x30 meter and a weight of 75 mtons on 4 concreteposts. In cause of the fact tha a conveyor road for peeled trunks was in the way to make it as a tandemlift they made it in the unusual way with three cranes in a tridemlift. Zhe cranes which are used were on the one site a Liebherr LTM 1160/1 and a Liebherr LTM 1200/1 and on the other site a LTM 1300/1. As elevated point to make the pictures was a Liebherr MK 80 also there so that I was able to make my pictures from a high of 25 meters. The synchonizing of the cranes worked very good and also the touchdown on the posts brought no problems. I have to thank the company Poppe & Wittrock for the invitation to this lift, the supply of the MK 80 and also for catch up the fotopermission for the work area of the Klenk Holz AG, the greatest sawing and wood working enterprise of Germany.
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