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A place is chosen if the river has a drastic change in elevation or is located near rapids.
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Period: to
Years 1-6
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Regular safety meetings are held to discuss concerns
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An all weather access road is built
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A camp is built to house the project construction workers
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A cofferdam is constructed to divert the flow of the river
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Rock fence is built to hold back falling rocks
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The riverbed is carved out by blasting and excavation
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Concrete is first poured into a trench at the base of the dam
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Steel Rods are protruding from the rock face
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Cranes are erected and readied for pouring concrete for the intake structure
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Night Work
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Reinforcing steel for draft tube
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Intake piers and draft tube slab
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The formwork for the draft tube is elaborately curved and requires skilled carpenters to construct
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Concrete batch plant
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Water Passages created to allow the flow of water to the powerhouse
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Scrollcase wall framework is constructed
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Installign stay-vane anchor pockets
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Crew ties together rebar for the concrete form work
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Spillway is readied for diversion
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The main cofferdam is breached
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Powerhouse and spillway are nearly completed
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Rotor operates using electromagnets to generate electricity
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Turbine runner put in place
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Turbine work commences
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An overhead crane lowers the turbine's bearing braket into place
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Wiring the generator stator
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Rotor Lowered and secured to turbine
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Roof of the genrator enclosure is secured
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Generators begin producing first power
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Completed Hydroelectric generating station
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Removal of all buildings and structures
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Camp area is cleaned up
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END OF CONSTRUCTION SEQUENCE