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2. Trench drain - Wikipedia

   en.wikipedia.org/wiki/Trench_drain

   Concrete will need to be poured to surround the trench drain so that the load can be transferred from the channel and grate to the surrounding areas. Pre-cast trench drains generally come in 4-inch (100 mm) widths but can range anywhere from a 1.75-inch (44 mm) slot to 2-inch (51 mm) wide channels with grates, and up to any size imaginable ...

3. Cattle grid - Wikipedia

   en.wikipedia.org/wiki/Cattle_grid

   A cattle grid on a country road in the Yorkshire Dales Cattle grid on a railway line in northeastern New Mexico Cattle grid in Galong, Australia. A cattle grid – also known as a stock grid in Australia; cattle guard, or cattle grate in American English; vehicle pass, or stock gap in the Southeastern United States; [1] Texas gate in western Canada and the northwestern United States; [2] and a ...

4. Slot drain - Wikipedia

   en.wikipedia.org/wiki/Slot_drain

   The grates increase the risk of personal injury and result in lost time. The slot drain concept was first introduced to solve such problems. By eliminating the needs for grates, there is no concern about breaking. The concrete sustains most of the weight and the slot opening is usually only 0.5 to 1.5 inches (1 to 4 cm). Capacity of evacuating ...

5. French drain - Wikipedia

   en.wikipedia.org/wiki/French_drain

   A diagram of a traditional French drain. A French drain [1] (also known by other names including trench drain, blind drain, [1] rubble drain, [1] and rock drain [1]) is a trench filled with gravel or rock, or both, with or without a perforated pipe that redirects surface water and groundwater away from an area.

6. Drainage - Wikipedia

   en.wikipedia.org/wiki/Drainage

   Subsurface drains, on the other hand, are designed to manage water that seeps into the soil beneath the planting surface. French drains, which are gravel-filled trenches with perforated pipes at the bottom, are the most common type of subsurface drain. Trench drains, which are similar but shallower and wider, are also used in some situations. [4]

7. Florida veterans hospital’s elevators blasted as ‘death trap ...

   www.aol.com/news/death-trap-elevators-florida...

   Failing elevators at a veterans hospital in Miami have injured at least a dozen people over two years, according to a nurses’ union that called the lifts a “death trap.”