Vietnam: Soai Rap Dredging Project Phase 2 Inaugurated

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The second phase of Soai Rap River dredging project was inaugurated on June 21. The project will allow larger vessels to navigate through the Soai Rap channel and ease the access to Ho Chi Minh City’s Hiep Phuoc Port and the relocated ports along the Saigon River.

The 54 km route begins from the Soai Rap River and ends at Saigon Premier Container Terminal (SPCT) in Hiep Phuoc Industrial Zone.

The second phase costs VND2,797 billion, of which Belgium financed EUR76 million and the remaining VND642 billion was from the city budget.

The Soai Rap River dredging scheme encompasses Tien Giang, Long An, Ho Chi Minh City and Ba Ria-Vung Tau. It is expected to accommodate the city’s rising demand for cargo transport.

The dredging project is divided into three phases. The first phase will dredge the river to a depth of 9.5m for handling ships of 30,000 to 50,000 tonnes. The second and third phase will dredge to a respective depth of 11 and 12m for ships with capacity of 50,000-70,000 tonnes and over 70,000 tonnes.

USA: Wonder Lake Dredging To Start Soon

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The Wonder Lake Master Property Owners Association will commence dredging of Wonder Lake this week according to the lake manager Randy Stowe.

The restoration project is designed to deepen Wonder Lake by churning up soil at the bottom of the lake and then sucking it up. The soil and water then will be deposited in the now-complete sediment drying facility to control the flow of water located in the Meadows of West Bay.

The official start date on the long delayed and debated project is up to the contractor, which the association’s board of directors hired last year on a $2.7 million contract.

USA: Buffalo River Dredging About to Start

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The final phase of the environmental dredging of the Buffalo River begins this week. The removal of close to 1 million cubic yards of contaminated sediment is one of the largest of its kind nationally.

The dredging cost of $22.7 million is funded through a 50/50 cost-share agreement with Honeywell and the EPA under the Great Lakes Legacy Act program.

According to Riverkeeper, the restoration will conclude in 2015 with the capping of sediments in the City Ship Canal and habitat restoration along the shoreline.

Photo by: Andrew Kornacki

New Zealand: Sandspit Marina Dredging Underway

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The Sandspit Marina dredging program has begun and the first of five pontoon arms will be installed in August.

Marina spokesperson Graeme Maker says construction of the pontoons for the 131-berth marina began in April, but dredging did not start until the end of last month following delays in getting the Construction Management Plan approved.

“But everything is within the timeframe and we don’t expect this to affect the completion date,” Graeme says.

The $18 million project is due to be completed by the end of next year.

Australian company Pacific Pontoons and Silverdale-based company Hoppers Construction are contracted to deliver the project with about 10 to 12 staff on site.

There are still 31 berths to be sold, but Graeme says that won’t affect the delivery of the project.

“We are delighted with that result, but we hope to have them all sold before the marina is completed.”

The first area being dredged is directly in front of the Sandspit Yacht Club, where the first and smallest arm of the marina will be located.

The sandstone dredged from the area is being used to construct a bund that will serve as a temporary storage area to drain dredgings.

Two barges are expected to arrive on site in August when they will begin shipping the spoil to a dump-site off Great Barrier Island.

Australia: Coffs Harbour Dredging Begins

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Boaters are advised to keep clear of a sand dredging operation at the inner harbour entrance at Coffs Harbour until August 30, 2014.

The work will involve removal of up to 40,000 cubic metres of sand from the entry to the inner harbour area.

The barge and support vessels will display appropriate navigation markers to alert boaters in the area and yellow and orange buoys will mark the work area and pipeline.

IDRECO BV Delivers Second ISD300 Dredger to Rohr Sand & Kies GmbH & Co. KG

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Rohr Sand und Kies, based in Waldsee near Speyer in Germany received their second fully electric driven ISD 300 from IDRECO BV.

Two years ago Rohr bought their first deep dredger from IDRECO for their plant in Bensheim. After one year of working with the new IDRECO deep suction dredger, the decision was made to also replace the existing bucket ladder dredger at the plant in Waldsee. One of the reasons was deeper dredging, but also the higher efficiency of mining with a suction dredger of IDRECO. This made them decide to purchase a second dredge within two years.

This IDRECO ISD300 dredger is equal to Rohr’s first dredger and is equipped with an underwater IDP300 dredge pump. This is directly driven by a submersible electric motor with a power of 315 kw and frequency driven. A jet water pump with a capacity of 250 m3 at 9 bar pressure is placed inside the starboard pontoon and feeds the 8 jet nozzles on the jet suction head.

The maximum suction depth of the dredger is 32 meter below water level and it has a production output of 300 tons material per hour.

Installation of the IDRECO Dredger Control System guaranties maximum efficiency in dredging and means maximum production with as less energy use as possible. A DGPS system is also installed on the dredger to monitor the mining volume and depth which makes it possible to mine the maximum amount of cubic meters out of the licenced plot.

Press Release, June 11, 2014