Water & Dams

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The contractor OpenIJ has finally sunk a 150,000-tonne concrete caisson at the troubled project for the world’s largest sea lock in IJmuiden, Netherlands.

Some view plan as modest improvement from 1991 rule, but critics say it weakens current protections.

A sewer line project in Doha, Qatar, completed in April on time and within budget, is the first phase of the public works authority’s Doha South Sewage Infrastructure Project.

Crews tunneled through the foot of the Himalayas for the Bheri Babai Diversion Multipurpose Project. Despite an 8.1- magnitude earthquake, border struggles between Nepal and India, an oil crisis, catastrophic floods, strikes and riots, the international team managed to complete the 5-meter-dia tunnel seven months ahead of schedule.

The innovative upgrade of the Wusong wastewater treatment plant to meet new standards allowed it to avoid an expensive move outside the city.