English to Portuguese Tech/Engineering Energy / Power Generation

Still associated to that electricity project. Any help would be appreciated, many thanks :)

Stay cone, main stays, draft tube liner and embedded parts.

The supply shall include two sets of special devices that may be necessary to enable the handling of the runner, the unit main shaft, the stay cone at site, shaft seal components, guide bearing and combined bearing, wicket gates, operating ring and other components which may require interface parts with the available lifting devices or special care during handling, assembly and dismantling.

The outer shell shall be provided with flanges to be bolted in on end to the stay cone and in the other to the bulb nose. The flanges shall be provided with two rubber rings to prevent water leakeg to the bulb interior. The flanges shell also be provided with water leakge detection devices.