Flood embankment Flood embankment A flood embankment is traditionally an earth wall used to shore up flood waters. Most flood embankments are between 1 metre and 3 metres high. A 5 metre high flood embankment is rare. Modern improvements to this design include constructing an internal central core made from impermeable substance like clay or concrete, some even use metal pilings. Some authorities call man-made structures levees. Clifton, Rawcliffe, Poppleton and Leeman ings in York River Gowan, Cumbria River Trent This is an animation showing a flood event overwhelming neighbouring properties and the added construction of a flood embankment and flood warning
Portable boat lift a trailer or lift a boat up and out of the water, they are not by definition portable. The term "boat lift" originally referred to large devices used instead of canal locks to transport canal boats horizontally as well as vertically, such as the 1875 Anderton Boat Lift. In modern usage the term "boat lift," as opposed to "portable boat lift," usually refers to devices permanently installed at a dock to simply lift a boat above the water, a type of ship lift. It is not specifically designed for separating a boat from a trailer. Portable boat lifts may differ