Main scope:

• A new power intake located at the reservoir area, 150m upstream from the existing power intake;

• Two headrace tunnels, each connecting with one penstock and one turbine generator unit;

• An underground powerhouse with two turbine-generators of 150MW each;

• A tailrace surge chamber of tube structure with a diameter of 24.0m and 60m high;

• The busbar shaft with the total height of 159.50m;

• A 300m long tailrace tunnel;

• Extension works of the existing 330kV switchyard.

Services:

• Review of the technical specifications of the contract documents;

• Design review;

• Technical assistance to the approval process of equipment characteristics, fabrication, inspection and O&M manuals;