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Silt fence installed up-slope of a vegetated stream buffer A silt fence , sometimes (misleadingly) called a filter fence , [ 1 ] is a temporary sediment control device used on construction sites to protect water quality in nearby streams, rivers, lakes and seas from sediment (loose soil ) in stormwater runoff .
Cost cutting features included a compact, two-story floor plan which measured 30 feet (9.1 m) square plus a narrow entry and stairway extension. The four sides were also designed identically, so that a single set of concrete forms could have been used — only minor modifications would have been required to accommodate the stairwell.
There are rare examples of historic buildings in the U.S. where the floor joists land on the foundation and a plank sill or timber sill sit on top of the joists. [4] Another rare, historic building technique is for the posts of a timber-frame building to land directly on a foundation or in the ground and the sills fit between the posts and are ...
Simple split-rail fence Log fence with double posts (photo taken in 1938). A split-rail fence, log fence, or buck-and-rail fence (also historically known as a Virginia, zigzag, worm, snake or snake-rail fence due to its meandering layout) is a type of fence constructed in the United States and Canada, and is made out of timber logs, usually split lengthwise into rails and typically used for ...
As the costs of hurricane damage increase, more and more houses along the Gulf Coast are being built as or converted to stilt houses. [ 4 ] Stilt houses are also still common in parts of the Mosquito Coast in northeastern Nicaragua , and in northern Brazil [ 5 ] as well as the bayou parts of the Southern United States and the hurricane prone ...
Russian anti-tank obstacles near the horizon, Kherson Oblast, May 2022. Dragon's teeth on the left, Czech hedgehogs on the right In Belgorod Oblast, defensive lines of dragon's teeth were constructed in October 2022 under the supervision of the Wagner Group along the Russia–Ukraine border, intended as a second line of defense alongside trenches and a trained militia in the event the ...
Inside the bailey were stables, workshops, and a chapel. The motte was the final refuge in this type of castle. It was a raised earth mound, and varied considerably, with these mounds being 3 metres to 30 metres in height (10 feet to 100 feet), and from 30 to 90 metres (98 to 295 ft) in diameter. [3] There was a tower on top of the motte.
Running Fence was an installation art piece by Christo and Jeanne-Claude, which was completed on September 10, 1976. The art installation was first conceived in 1972, but the actual project took more than four years to plan and build. [1] After it was installed, the builders removed it 14 days later, leaving no visible trace behind. [2]