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La Coche hydroelectric plant

At the entrance to Tarentaise in Savoie, EDF leads one of the largest hydropower development projects in France with the extension of La Coche's production plant
THE LARGEST OVERHEAD CRANE NEVER ACHIEVED BY ADC
ADC won the contract for studies / supply / assembly / commissioning of heavy lifting equipment for new buildings: 14 aircraft (cranes, suspended gantries, monorails), including the largest crane (in tonnage) ever built by ADC , a crane 2 x 200 t / 40 t / 2 x 10 t, reach 18.10 m!
Very restrictive specifications
In addition to the high tonnage, the difficulty of manufacturing the bridge following the extremely restrictive EDF specifications (RRCMH: Rules for the Realization and Control of Hydraulic Materials, usually applied to penstocks and valves).

The tests were successfully carried out with 500t of load (1.25 times the nominal load).

Working upstream of the project, Franki Foundation laid the foundations of the future plant with nearly 200 piles cased up to 28 meters deep.
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