The original plan of the project involved the construction of a long aqueduct that diverts water from the Rio Colca close to Tuti and transfers it around Ampato mountain to a canal which ends into the Siguas River. The diversion has a capacity of and is part of the first stage of the project. The diversion has a hydraulic drop of about and it is envisaged to exploit it for hydropower production at the Lluta and Lluclla hydropower stations, yielding and respectively; the company Luz del Sur was tasked to construct these plants. From the Siguas River a long tunnel-canal starting at Pitay delivers the water to the Pampa de Majes. As part of the project, the Condoroma Reservoir with a capacity of on the Colca.