International Dredging Review

International Dredging Review
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Dredge Yard and its sole agent in Sri Lanka, Hoavel Holdings, have won an order for a standard Cutter Suction Dredger ECO 300. The CSD ECO 300 will be used by Sri Lanka Land Development Corporation (SLLDC) for a governmental project of cleaning the Beira Lake in Colombo, Sri Lanka.

Beira Lake is a man-made shallow body of water located in the city center of Colombo, Sri Lanka. Due to its central location, the Beira Lake has become vital for a variety of residential, industrial, commercial, tourism and religious activities.

However, the Beira Lake also suffers from pollution. For example, the lake is exposed to hard detergents and pollutants from hotels and hospitals either directly or indirectly connected to the lake. In addition, in certain areas, the sewer lines are illegally connected to the storm water lines, which causes wastewater to enter the lake.

According to SLLDC, wastewater and pollutants accumulate over time, which has resulted in poor water quality for the last three decades.

The main purpose of Beira Lake dredging is to improve the water quality by removing accumulated wastewater and pollutants. In addition, the lake will be deepened to improve access and navigation for boats, to maintain the efficiency of commercial activities.

Dredge Yard’s standard Cutter Suction dredger ECO 300 model was supplied with additional features according to the requirements of SLLDC. The standard, shallow draft CSD ECO 300 model is appropriate for Beira Lake, which has an average water depth of just 2 meters (6.6 feet). The dredge’s compact design allows for easy transportation to the center of Colombo. The dredge will be assembled and tested in Dredge Yard facility in Rotterdam, Netherlands. The order includes 15 saddle type hose floats and a 100-meter (328 foot) HDPE pipe. Dredge Yard will provide 10 days of training to three Hovael engineers in dredge ECO 300 assembly, operation and maintenance in Rotterdam, Netherlands.