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DredgeWire Exclusive: ROHR-IDRECO building two all-electric large cutter suction dredgers for American client

Posted on November 29, 2023

Factory Acceptance Test successfully completed, with first ex-works delivery scheduled by yearend.

ROHR-IDRECO is pleased to announce the contract with American mining company “Atlas Energy Solutions” of Austin, Texas, for two “Falcon” type large cutter suction dredgers. These fully-electric dredgers will be used for the mining of industrial sands in one of the largest sites of this kind in the United States. In addition to these new vessels the company is already operating an electric ROHR-IDRECO Draga 2540jet suction dredge with 25 meters dredging depth and a 400 mm pump.

The new Falcons have a dredging depth of 25 meters (82 feet) and are equipped with the proprietary 450 mm (18 inch) high-efficiency underwater IDRECO iPump. The innovation continues with all-electric 185 kW (250 Hp) cuttterheads, designed with a focus on reduced spill and turbidity. The dredgers, equipped with the Eyes Underwater® DGPS system and Making Waves® remote control and monitoring system will have a very high degree of automation and even autonomy, for optimized 24/7 mining operation, with an average flow calculated at 18K gallons per minute per dredge.

The two dredgers, with a length of 53 meters (174 feet) and weighing 275 tons (303 sTons) each, will be delivered ex works this December and January consecutively, after which they will be shipped to the US for commissioning. Factory Acceptance Test (FAT) was successfully completed in attendance of the Client’s Management this Tuesday, November 28th.

Three all-electric booster sets, again with the IDRECO 450 iPump, have already been delivered and will pump the mined materials to the separation plant.

An extensive pro-active maintenance and parts program will be handled through the Houston-based ROHR-IDRECO Americas office, to ensure optimal dredge availability and performance.

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