03 idb hydro

Hydro-Electricity Assignment

By B_Mann99

  • A place is chosen if the river has a drastic change in elevation or is located near rapids.

  • Period: to

    Years 1-6

  • Regular safety meetings are held to discuss concerns

  • An all weather access road is built

  • A camp is built to house the project construction workers

  • A cofferdam is constructed to divert the flow of the river

  • Rock fence is built to hold back falling rocks

  • The riverbed is carved out by blasting and excavation

  • Concrete is first poured into a trench at the base of the dam

  • Steel Rods are protruding from the rock face

  • Cranes are erected and readied for pouring concrete for the intake structure

  • Night Work

  • Reinforcing steel for draft tube

  • Intake piers and draft tube slab

  • The formwork for the draft tube is elaborately curved and requires skilled carpenters to construct

  • Concrete batch plant

  • Water Passages created to allow the flow of water to the powerhouse

  • Scrollcase wall framework is constructed

  • Installign stay-vane anchor pockets

  • Crew ties together rebar for the concrete form work

  • Spillway is readied for diversion

  • The main cofferdam is breached

  • Powerhouse and spillway are nearly completed

  • Rotor operates using electromagnets to generate electricity

  • Turbine runner put in place

  • Turbine work commences

  • An overhead crane lowers the turbine's bearing braket into place

  • Wiring the generator stator

  • Rotor Lowered and secured to turbine

  • Roof of the genrator enclosure is secured

  • Generators begin producing first power

  • Completed Hydroelectric generating station

  • Removal of all buildings and structures

  • Camp area is cleaned up

  • END OF CONSTRUCTION SEQUENCE