A barge is loaded with 200 tons of coal. The weight of the empty barge is 45 tons. If the barge is 20ft wide, 55ft long and 13 ft high, what is its draft (i.e, its depth below the water surface)? Use 1 ton = 2205lbs   Unit of the Correct Answer: ft Group of answer choices 3.87 12.7 7.87 0.87

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Spillway design

A spillway is the overflow portion of the dam that carries the surplus discharge flow from the reservoir to the downstream, that is, it carries the flood water safely downstream, which is enough to be stored in that reservoir. Therefore, it acts as a safety valve for the dam because many failures of the dam arise due to the incorrect design of the spillway.