Professional career · 1970 — 2025
More than five decades leading large-scale projects.
From industrial cost estimating to the direction of hydroelectric plants and the supervision of major projects in Latin America — an entire career in critical works.
2023 — 2025
APCA-Vielca / Concremat Consortium
Project Manager
Guatemala
- New Chiquimula Public Hospital — preparation, planning and construction. Capacity of 214 beds (189 census + 25 non-census), with ICU and 5 operating rooms.
- Overall coordination of the supervision — technical, contractual and financial control; monitoring of the civil, electrical, hydro-sanitary and mechanical installations and of the hospital equipment.
- Hospital hydro-sanitary system — potable-water supply (dedicated well, cistern and distribution networks), wastewater networks conveyed to the wastewater treatment plant (WWTP) and independent stormwater drainage.
2018 — 2022
TEMEC
Commercial Representative
Colombia
- Supply of steel equipment (formwork and falsework) for infrastructure projects.
- Clients in Bogotá, such as OHL and Mota-Engil.
2013 — 2016
Equitesa
Technical Superintendent
Ecuador
- Chone Multipurpose Project (Manabí) — Río Grande dam and flood-control, irrigation and water-supply works; technical management and site superintendence.
- Diversion/discharge tunnel of the Río Grande dam, 4.0 m in diameter and 230 m long.
- Irrigation network in GRP pipes from 1,800 mm to 2,200 mm in diameter; potable-water subsystems with an 800 mm transmission main and urban PVC distribution networks with house connections.
2011 — 2013
Hidrotoapi EP
Supervision Manager
Ecuador
- Toachi-Pilatón Hydroelectric Project: Pilatón-Sarapullo (49 MW) and Toachi-Alluriquín (204 MW) developments.
- Review of studies, final designs and bidding documents.
- Review of the designs for the intake structures (bocatomas), the desanders and the headrace hydraulic circuit — tunnels, surge chambers and penstocks.
- Review of the hydrology and sediment-transport studies that underpinned the sizing of the developments.
2007 — 2010
LEMECAN / Hidrolitoral
Supervision Director / Manager
Ecuador
- Baba Multipurpose Project — flood control, irrigation, water supply and hydropower generation (42 MW; 161 GWh/year), with 4 dikes, 1 “duckbill” spillway, 3 relief gates and 1 power plant.
- Direction and technical supervision of the dam works, the water-transfer system — a water-transfer tunnel 7 to 8 m in diameter diverting the Baba River to the Daule-Peripa reservoir — the power generation works and the hydraulic infrastructure.
- Supervision of the construction of canals, galleries and pipelines from 1.2 m to 5 m in diameter (GRP on the secondary lines), with intake and discharge structures.
- Supervision of drainage, hydraulic sanitation, flood control and erosion protection.
- Approval of drawings, measurements, technical reports and construction procedures; quality, schedule and cost control.
- Coordination between the client, designers and contractors; health and safety, environmental and risk management; participation in the handover and commissioning of the works.
2000 — 2004
ENGITUBO
Partner / Technical Manager
Portugal
- Falsework and scaffolding on bridges, viaducts and buildings (Porto, Lisbon, Coimbra, Leiria, Algarve).
- More than 5 million m³ of falsework executed.
1995 — 2000
Soares da Costa / Bento Pedroso Consortium
Technical Director
Portugal · Client: EDP / JAE
- Touvedo HPP (22 MW): concrete dam with an open-air powerhouse downstream — intake, headrace circuit and return of the turbined water to the river.
- Temporary river diversion and cofferdams; spillway (flood-discharge structure) and hydraulic safety works; foundation treatment with a grout curtain and drainage for seepage and uplift control.
- Access viaduct to the Coimbra Bridge-Weir — a weir regulating the Mondego River — and to IP3/IC2/IC3: 23,200 m² deck, 1.4 km, 100 piers.
1990 — 2000
Soares da Costa
Site Director
Portugal
- Bridge over the Cétos: 1,440 linear m, clear spans of 300 and 120 m on prestressed curves.
- Road infrastructure works and large-scale prestressed structures.
- Road drainage systems — surface and deep drainage devices, collectors and hydraulic crossings — and slope erosion protection on the road works.
1988 — 1990
ENGIL S.A.
Site Director — Hydraulic Circuit
Portugal · Client: EDP
- Alto Lindoso hydroelectric plant (630 MW): power plant, underground tunnels, ventilation galleries, valve chamber and the discharge channel returning the turbined water to the river.
- Continuous drainage and pumping of groundwater inflows from the rock mass in the underground excavations — powerhouse, tunnels and galleries.
- Surface drainage systems — ditches, culverts and crossings — on the 655 km of roads built and upgraded for the project.
- 23.2 million m³ of excavation and 1.25 million m³ of concrete; around 1,500 workers mobilized.
1982 — 1987
Construtora Mendes Junior
Production Manager · Production Dept. Coordinator
Brazil and Iraq
- São Paulo Subway — Jabaquara, Santa Cecília and Terminal Tietê stations (Green and Yellow lines).
- Groundwater lowering in the excavations and relocation of the public water and sewer networks at the station areas — the line excavations, at depth, ran below the existing networks.
- Galeão International Airport — runway expansion, apron, administrative building and control tower.
- Channeling of the Arrudas River (35 km) — urban macro-drainage and flood control in Belo Horizonte.
- Expansion of the USIMINAS steel mill — civil works in an industrial plant, including drainage of industrial yards and areas.
- Railway works in Brazil and Iraq (A3 level) — platform drainage with ditches, culverts and minor drainage structures, and erosion protection on cuts and embankments.
1976 — 1982
CEMIG — Centrais Elétricas de Minas Gerais
Manager / Engineer
Minas Gerais · Brazil
- Construction of the Volta Grande (380 MW), Jaguara (424 MW) and São Simão (1,710 MW) hydroelectric projects.
- Works requiring river diversion with cofferdams and diversion structures so the dams could be built in the dry.
- Execution of the hydraulic structures — spillway, intake and headrace circuit — on the large concrete-pouring fronts.
- Works with large volumes of concrete, steel, formwork, falsework and excavation in rock and soil.
1970 — 1976
APIA Construção S.A.
Cost Estimator
Belo Horizonte · Brazil
- Technical cost estimates for industrial projects — USIMINAS and AÇOMINAS.
- More than 200 cost estimates prepared, including large-scale housing developments with their urban infrastructure — potable-water networks, sanitary sewerage and stormwater drainage.
- Execution control of the expansion of USIMINAS units II and III.
This experience can be put to work on your project.
Present your technical, operational or contractual need directly to Eng. Mario Rocha.