ALCOA ALUMÍNIO S.A – Elaboration of environmental diagnosis, solid wastes master plan, studies and projects for waste disposal and environmental rehabilitation and reintegration of disabled areas, construction management, environmental control report (ECR), EPR.
ALUMAR - Solid wastes master plan, studies and projects for waste disposal, reinforcement of foundations for tanks and industrial buildings, environmental rehabilitation and reintegration of disabled areas, environmental control report (ECR), EPR.
COMPANHIA VALE DO RIO DOCE (CVRD) – Studies and basic projects for dams of water catchment and for tailings and their upstream stacking and sterile waste piles.
DELTA CONSTRUCÕES S.A - Wastewater executive project including sewage collection network and treatment plants for several cities in Rio de Janeiro.
VOTORANTIM METAlS - Development of basic and executive projects of residue contention dikes, rehabilitation of degraded areas, industrial wastes and sanitary landfills, environmental contamination diagnosis, elaboration of EIA/EIR, ECR and EPR for residue contention dikes and industrial wastes landfills.
PROJETO FAVELA BAIRRO (SHM-PCRJ) - Diagnosis, intervention plan, basic and executive projects for slope contention works, slope stabilization, and pavimentation for communities in Rio de Janeiro City.
COMLURB - Solid urban wastes landfill projects and studies.
YAMANA – Development of basic and executive projects of elevation of tailings ponds, studies and consulting.
OHL – (AUTO PISTA FLUMINENSE) – Consulting and development of conceptual and executive projects for slope stabilization along Brazilian federal highway BR 101 in Rio de Janeiro.
RAÍZEN – COSAN – Development of conceptual projects for dikes, catchment ponds and contention.
ALPART ALUMINA PARTNERS OF JAMALCO – Assessment of conditions in the residue disposal areas and energy sources for the Refinery – Mandeville Jamaica.- JAMALCO – Consulting, studies and development of basic and executive projects for tailing ponds.
SURALCO – Development and monitoring of a geotechnical investigation plan for future waste disposal areas.
SAMARCO MINERAÇÃO S.A – Development of conceptual and basic projects of elevation by upstream stacking for residue disposal system.
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