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Hidroelectrica relaunches tender for refurbishment of Vidraru

Bids are sought by 15 May 2018 for a turnkey refurbishment contract with the project aiming to extend the plant’s lifetime by at least 30 years, and increase capacity of the four turbines.

Romania’s state-owned hydropower producer Hidroelectrica has relaunched an international public tender for the modernization of the 220 MW Vidraru hydropower plant and dam on the river Argeș in the southern central county of Argeș, in the region of Muntenia.

Bids are sought by 15 May 2018 for a turnkey refurbishment contract covering the design, acquisition and/or manufacturing of equipment, delivery, project management, testing and commissioning of mechanical, hydromechanical and electrical equipment for the hydroelectric plant, dam and pressure node, as well as the integration of previously modernized installations, including a 220 kV substation, into the SCADA system.

Refurbishment work will comprise the retrofitting of the four Francis hydro units (turbines and generators, including replacement of existing hydraulic circuits) and related auxiliary installations; rehabilitation of hydro-mechanical equipment mounted on the pressure derivation and bottom drainage of the dam; refurbishment of the equipment and mechanical installations in the powerhouse and the pressure node, power outlet and bottom drainage; refurbishment or replacement of electrical and power supply and distribution installations, control and automation installations in the plant and the pressure node, power socket and bottom drainage; and, retrofitting of all lifting and transport equipment from the plant and dam, as well as civil works on existing hydro-technical constructions such as the dam, pressure derivation, powerhouse and control room. Work is to be carried out in line with national and EU health and safety norms and environmental standards.

The project aims to extend the plant’s lifetime by at least 30 years, and increase capacity of the four vertical Francis turbines from 55 MW each to a minimum of 58.8 MW, as well as ensuring better reliability, reducing maintenance requirements and increasing operational safety. The contracted works will cost an estimated €78.98 million (exclusive of VAT), and are expected to be completed within 56 months of contract award, according to a tender notice published on 17 February.

The Vidraru dam, which is a 166.6 m-high double curvature concrete dam, and the underground powerhouse were commissioned in 1966. Vidraru is part of Hidroelectrica’s Curtea de Arges hydropower branch, which has a total installed capacity of 601.6 MW.

For further information, contact: Alexandru Anghel Hidroelectrica SA, Bd. Ion Mihalache 15-17, Sector 1, Bucharest 020995, Romania;

Tel: +40 213032500;
Fax: +40 213032564;
Email: secretariat.general@hidroelectrica.ro; alexandru.anghel@hidroelectrica.ro
Website: www.hidroelectrica.ro

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