50 acre of land to be reclaimed for an average height of 2.5 mt. Dredging area is 500mx200m size. what is the dredging depth required to reclaim the area?
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Answer Posted / Satya Pal
To calculate the required dredging depth, we first need to determine the total volume of earth that needs to be removed and then divide it by the area of the dredging site. Here's the calculation:n
1. Calculate the total volume of earth needed: 50 acres * (43,560 square feet/acre) = 2,178,400 square feet
2. Assume the average density of soil is approximately 100 pounds per cubic foot (pcf). Convert the area to cubic feet: 500 ft * 200 ft = 100,000 square feet * 144 sq ft/cubic foot = 14,400,000 cubic feet
3. Calculate the required dredging depth: Total volume needed / Dredging area = 2,178,400 cu ft / 14,400,000 cu ft = 0.153 feet or approximately 1.83 feet (rounded to the nearest foot).
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