OPEN PIT MINING
Guinea is the world’s richest bauxite holding country (estimated resources 7,400mt or 26% of the world’s total). Located 300km North of Conakry, the Sangaredi mine is Guines’s largest bauxite mine, producing over 14Mt/year. Owned and operated by the country’s principal bauxite producer Compagnie des Bauxites de Guinée (CBG)…
CSR & INNOVATION
Engineering a unique containerised manufacturing solution to produce more than 6,000 tons of emulsion (AN, AN/CN, AN/SN) per year and per shift in total safety, being user-friendly enough to allow local workers to easily control and maintain it, while being robust enough to resist to the harshest climatic conditions…
The A5 road in the UK forms an ancient and well used route through the hills and mountains of North Wales. In the 1990’s a programme of work was conducted to upgrade the road to modern standards. As part of this work a new cutting was constructed to bypass a portion of road routed through a gorge close to the village of Ty Nant…
The CB Group CBS quarry extracts hard limestone in the north of France, close to Mauberge. Its production is around 800,000 tonnes per year, 50% of which is for civil engineering and concrete production, 25% for prefabricated factories and 25% for industry. Rough blast rock is loaded using a Hitachi ZX 650 shovel into 55 tonne…
The Björkdal Gold Mine, owned by Mandalay Resources Corp., is located in northern Sweden, 28 km northwest of the town of Skellefteå, near the Boliden mining district which has been mined for a century About 60% of the mill feed is generated by the underground operation and 40% from the open pit. Underground mining is accomplished by….
The quarry of the cement plant Lafarge-Holcim in Saint-Vigor d’Ymonville is one of the most important chalk extraction sites in France. With a 50-year sustainability, its main mission is cement manufacturing. It is a very technical site, with an important production (4000 t/d) from 5m to 30m quarry faces presenting…..
EDF undertook in 2013-2014 important works to create a new drainage solution of the Sarrans dam (Aveyron), integrating a function enabling flood evacuation. With a 113,20 meter height on foundation and 225 meter crest length, the dam is located in a granitic zone at the entrance of the narrow and steep gorges…