Drainage and sanitation project

Open latrines, gutter sewers and wastewater discharge into a river that is used for transport, bathing and washing clothes. That was everyday life in the Vietnamese city of Bac Giang. But with Danida supporting refurbishment and expansion of the sewer system and the building of a new purification treatment plant the way is paved for better health – and better opportunities for economic growth.

MT Højgaard has carried out a wastewater treatment plant and a drainage system in Bac Giang city, 55 km north of Hanoi. The existing drainage system was also renovated and extended to service seven wards in the city.

Purification plant

A treatment plant with a capacity of 10,000 m³/day was built to treat wastewater collected from nine separation chambers. Five pumping stations was constructed to support the system. A total of 40 km of pipes with dimensions varying from 300 mm to 2000 mm was laid.

Fifty percent of the pipes are High Density Polyethylene (HDPE) and the other fifty percent is concrete pipes. Once completed and operational, the project was to solve the existing flooding problem and the increasing environmental pollution caused by both domestic and industrial wastewater.

Local involvement

As always on international projects within MT Højgaard we make extensive use of local people at all levels. The project was funded by Danida, Mixed Credit.

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Bridge, Maldives

During summer 2012, MT Højgaard constructed a 780 metre long bridge between Rangali Island and a neighbouring island in the Maldives.

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