What is a Dredger?Ī dredger (or “dredge” as is the general usage in the Americas) is any device, machine, or vessel that is used to excavate and remove material from the bottom of a body of water. In this overview of dredgers and dredging, we provide a brief summary of the how, what, and why of twenty-first century dredging: what is it, how does it work, and why is it so imperative to the day-to-day survival of modern society. The construction industry would be severely hampered by lack of inexpensive sand and gravel, and many civil works projects – including important bridges and reservoirs – would be impossible. Many of our ports and waterways would quickly become untraversable, and much of the recreation and tourism made possible by our seashores, lakes, and rivers would slowly diminish and finally cease as beaches eroded, lakes filled in, and rivers changed course. Yet, without dredging, supply lines for hundreds of thousands of products would be shut down. Dredging is rarely on people’s list of life-changing technologies. When you consider the physical support systems for modern living, you may think of roads, electricity, computers, or even advances in farming and agriculture. Brantz von Mayer and The Writers for Hire Overview
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