Massive Dipper Dredgers

Synopsis: Hydraulic excavators play a crucial role in many port expansion and deepening projects. Bolted to huge floating pontoons, the excavator arm digs up even the toughest rock and clay from the murky depths. It is then loaded into barges. The video shows the largest examples from around the world beginning in the Gulf of Bothnia, the huge expanse of water that separates Finland from Sweden. Here a couple of the biggest Hitachi backhoe dredgers are working round the clock just off the Finnish side. It is a port expansion project that has to be finished before the onset of the Arctic winter. In the UK, the expansion of Felixstowe container port has demanded the use of similarly massive machinery. At the opposite end of the scale, the video includes an example of small river dredging.
Language: English
Country: Great Britain
Year of release: 2010
Subjects: Engineering
Keywords: civil engineering; dredging

Name: Old Pond Publishing
Email: info@oldpond.com
Web: http://www.oldpond.com External site opens in new window
Phone: 01473 238 200
Fax: 01473 238 201
Address: Dencora Business Centre
36 White House Road
Ipswich
IP1 5LT
Notes: DVDs and books for enthusiasts in the land-based industries: farmers and smallholders, workers in the earthmoving, forestry and heavy transport occupations. Titles deal with current activities and machinery as well as the history of the industries.

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British Universities Film & Video Council