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In one place, the level of the land was lowered by 108 feet (32.9 m); 1.6 million cubic yards (1,223,288 m 3) of earth were moved. [8] As with Semple's abandoned canal, there were several landslides, and many homes were destroyed that were not originally planned to be removed.
The Columbia Seafirst Center, as it came to be known, was constructed by Howard S. Wright starting in 1982 with a 120-foot (37 m) deep excavation hole that required 225,000 cubic yards (172,000 m 3) of dirt and soil to be removed. This was one of the largest foundations for a building in Seattle along with concrete footings extending 134 feet ...
One common such material is water, used in multiple units. For the cubic ton, the situation is more complex—there are different cubic tons for different materials. The 1964 Reader's Digest Great Encyclopaedic Dictionary gave the following ton-derived volumes: Timber, 40 cubic feet or 480.0 bd ft or 1.133 m 3; Stone, 16 cubic feet (0.453 m 3)
The rod, perch, or pole (sometimes also lug) is a surveyor's tool [1] and unit of length of various historical definitions. In British imperial and US customary units, it is defined as 16 + 1 ⁄ 2 feet, equal to exactly 1 ⁄ 320 of a mile, or 5 + 1 ⁄ 2 yards (a quarter of a surveyor's chain), and is exactly 5.0292 meters.
As the name suggests, an acre-foot is defined as the volume of one acre of surface area to a depth of one foot.. Since an acre is defined as a chain by a furlong (i.e. 66 ft × 660 ft or 20.12 m × 201.17 m), an acre-foot is 43,560 cubic feet (1,233.5 m 3).
The first contract for construction was awarded in May 1928. The $583,000 contract entailed filling in or leveling 4.45 million cubic yards (3,400,000 m 3) of soil across a 350-acre (140 ha) parcel. Sand from Jamaica Bay was used to connect the islands and raise the site to 16 feet (4.9 m) above the high–tide mark.
By the middle of the century the difference of 2 parts per million between the British and US standard yards was causing problems—in 1900 a tolerance of 10 parts per million was adequate for science, but by 1950 this tolerance had shrunk to 0.25 parts per million.
The contamination was determined to have originated in the jet grout, a highly alkaline substance, used to solidify dirt around the vertical station shafts during the early stages of station construction. Obayashi decontaminated nearly 60,000 cubic yards (46,000 m 3) of dirt and debris dumped at a sand mine in Maple Valley at a cost of $2.4 ...
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