Home > News About Us Our Companies Competences Projects NEW CONTRACTS IN CONSTRUCTION SUPERVISION Ribeiradio–Ermida Hydroelectric Development. Secondary School Building Modernisation Programme in Portugal. COBA/DEWAN signed a joint venture agreement MOZAMBIQUE Moamba Major Dam. Environmental Impact Assessment of the Nacala Corridor. PORTUGAL ALQUEVA PROJECT. Caliços-Moura Water Transfer Channel and respective Irrigation Blocks; Baleizão-Quintos Hydraulic Pipelines and respective Irrigation Block ANGOLA ONDJIVA WATER SUPPLY AND SANITATION ALGERIA MOTORWAYS. SECTIONS WITH ABOUT 238 KM CARBONO VERDE COBA - Consultores para Obras, Barragens e Planeamento, SA 2003 (c) - All rights reserved