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  • Hoover Dam Statistics - Hoover Facts
    [​IMG]
    726.4 feet high (221 m)
    1,244 feet wide (379 m)
    660 feet (203 m) thick at the base
    45 feet (13 m) thick at the top
    $165 million dollars to build
    4.5 years to build
    4.4 million yards of concrete used for construction
    March 1931 building began
    September 30, 1935 President Franklin D. Roosevelt dedicated the completed dam
    Powerhouse
    17 generators
    4+ billion kilowatt hours produced each year
    10 acres of floor space


    Power used by:
    56% California
    25% Nevada
    19% Arizona
    Lake Mead
    6.5 years to fill (A slow filling process was required to lessen the pressure change on the dam and to help prevent small earthquakes due to land settlement.)
    589 feet (181 m) at the deepest point
    247 square miles in size
    110 miles (176 km) long
    Largest man made reservoir in the United States
    source:#-Link-Snipped-#
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Replies

  • Kaustubh Katdare

    Administrator • Feb 4, 2012

    Boy! I've always wondered, how do they really start constructing any dam? I mean, what's the first phase of construction?
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  • CIVILPRINCESS

    Member • Feb 26, 2012

    First is digging another tunnel through which the water can flow and dewatering the area of construction. This is what I learnt from some dam construction. the flow of water into the main channel is prevented by building a cofferdam (just a temporary dam).
    Then the normal construction is carried on 😀
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  • Feather

    Member • May 6, 2012

    What my friend here is saying is right. To build a Dam the engineers must first de-water the part of the river valley in which they wish to place the dam. This is usually achieved by diverting the river through a tunnel. The tunnel is built through one side of the valley around the planned construction area. A series of holes is drilled in the rock. Explosives are placed in the drill holes, blasting takes place and broken rock is then removed. This procedure is repeated many times until the tunnel is completed. Diversion tunnels are often lined with concrete.
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