The main challenge was to design lifting equipment to support and manipulate the rotor safely, without damaging sensitive components, without the use of an overhead crane. As the AH3 unit was installed deep underground, the structural elements had to be adapted to the specific constraints of this cave-like environment, in addition to complying with the rigorous lifting standards and technical requirements of the hydroelectric industry.
Our team provided a complete solution, including inspection of the unit, design of the necessary tools and supply to the customer. The main solution consisted of a sliding gantry, designed to support the shaft end of the generator and rotor during extraction.
With our expertise, the customer was able to perform maintenance operation on the rotor and shaft of the AH3 unit safely, while respecting strict lifting standards and a tight schedule. The proposed equipment was designed to protect sensitive components and ensure risk-free handling. Effective management of the supply chain, schedule and costing enabled us to deliver a solution on time.