The overhead traveling cranes and the gantry cranes are designed to handle heavy equipment normally used in the following circumstances: Erection and maintenance operations of the main equipment of pumping stations, hydro......The overhead traveling cranes and the gantry cranes are designed to handle heavy equipment normally used in the following circumstances: Erection and maintenance operations of the main equipment of pumping stations, hydro-electric power plants, dams and irrigation systems Manoeuvring operations of stop logs and fixed wheel gates Erection and maintenance operations of radial gates