Liebherr lifts eight-tonne, golden dome in Paris

Liebherr LTM 1350-6.1 mobile crane carries out precision hoist in Paris to install the golden dome of a Russian Orthodox church

The golden dome of the Russian Orthodox church in Paris has a diameter of 12 metres and weighs eight tonnes.
The golden dome of the Russian Orthodox church in Paris has a diameter of 12 metres and weighs eight tonnes.

A Liebherr LTM 1350-6.1 mobile crane has positioned the largest of the five domes of a new Russian Orthodox church being built in central Paris not far from the Eiffel Tower.

The order for this extraordinary crane job was awarded to Montagrues. The crane operator, based in the Paris area, sent its Liebherr LTM 1350-6.1 mobile crane to the site near the Eiffel Tower to hoist the eight-tonne main dome onto the new church.

As Russia’s Deputy Prime Minister and a Secretary of State from the French government were scheduled to be present one the day to celebrate the installation, a smooth operation was essential and nothing could be left to chance. This led to the contractor conducting a trial hoist of the golden-leaf covered dome during the previous night.

Despite the fact that the road was closed, the Montagrues team had very little space available to deliver the six-axle mobile crane and its accessories. In addition, several large plane trees on the sides of the road also made for major restrictions for the crane during its set-up work.

The tops of the trees were an obstacle for the telescopic boom and Y-guying, and some of them had to be shortened for the slewing process during the dome hoist.

It was also not possible to transport the central dome, measuring 12m in both diameter and height, and so it was manufactured on a neighbouring construction site, and had to be hoisted from and placed on the new church from 30m away before being placed precisely on the small central tower of the church at a radius of around 45m.

Montagrues is a major crane contractor based in Gennevilliers, a town on the north-east border of Paris, and has been a regular customer of Liebherr for many years. Its latest acquisition was an MK140 mobile construction crane from the Liebherr Plant in Biberach.

Pierre Chauffour, Montagrues’ MD, was on site throughout the Paris job to supervise the work. He commented: “Our fleet currently comprises 30 cranes, and with the exception of one, they are all from Liebherr.”

The LTM 1350-6.1 was fitted with a total of 140 tonnes of ballast, delivered on four separate flat-bed trailers.

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