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Project justification

The Rehabilitation of the National Road EN-240, located in the Province of Cuanza Sul, Republic of Angola, runs between the locations of Cariango and Mussende, with a total length of 33 km. The importance of intervening in this road, which was previously a land road, results from the need to provide safe traffic conditions that take into consideration the increase in road traffic associated with the economic development of the country and guarantee the permanent use of this road even during the rainy season.

Scope of Works

The scope of work performed was:

  • Rehabilitation of 33 km of road between the towns of Cariango and Mussende with asphalt wearing course.
  • Construction of three bridges, one over the Fuique River (20 metres), one over the Ngango River (66 metres) and one over the Loue River (12 metres).
  • Auxiliary services such as clearing, surface drainage, horizontal and vertical signalling, and environmental recovery were also part of the scope of the project.

The road between the cities of Cariango and Mussende was developed in line with the IFC Environmental and Social Performance Standards. Several socio-environmental actions were developed prioritizing the education and the improvement of the quality of life of the surrounding community, such as: painting of schools, toy delivery, promotion of children’s visits to the construction site, celebration of World Environment Day, tree planting, stimulating scientific conferences, and provision of road safety education.

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Integrated Waste Management

At QGMI, we plan to adopt an integrated waste management approach, by assessing the various waste streams and adopting an approach of waste management. Our organic wastes are segregated, and a designed composter treats them. The result of the organic waste management can be applied to our reforestation projects.

Accugrade GPS Control System

We use a GPS technology to increase our productivity in earthmoving and grading processes. This Control System allows operators to grade more precisely and faster, which translates into higher productivity, lower operating costs, and a well-done work.

SAE (Electronic Monitoring System)

The Electronic Monitorig System was developed internally by the IT team, with the aim of monitoring the development of activities and working hours of workers and teams in real time, reducing access time to performance indicators for strategic decision making. The system, which is available in Portuguese, English, and Spanish, works via smartphone by reading QR Codes affixed to equipment and on workers’ credentials. It works even where there is no internet available, as data can be stored in the phone’s memory and transferred when there is a Wi-Fi or 4G network signal. It improves cost management, productivity control and contributes to environmental sustainability.