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  • Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.     Placing permanent cage into position in shaft
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.   Placing permanent cage into position in shaft
    Niagara Falls Public Library
  • Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.     Concrete pilaster around 2 30inch I beams. Notice crack in them
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.   Concrete pilaster around 2 30inch I beams. Notice crack in them
    Niagara Falls Public Library
  • Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.     Concrete crew pouring the ring through an elephant trunk. Top view of ring showing wooden form as well as re-inforcing steel work. Just about completed and ready for pouring
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.   Concrete crew pouring the ring through an elephant trunk. Top view of ring showing wooden form as well as re-inforcing steel work. Just about completed and ready for pouring
    Niagara Falls Public Library
  • Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.     Concrete crew pouring the ring through an elephant trunk. Top view of ring showing wooden form as well as re-inforcing steel work. Just about completed and ready for pouring
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.   Concrete crew pouring the ring through an elephant trunk. Top view of ring showing wooden form as well as re-inforcing steel work. Just about completed and ready for pouring
    Niagara Falls Public Library
  • Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.     Grouting base for steel headframe
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.   Grouting base for steel headframe
    Niagara Falls Public Library
  • Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.     Photographs were taken by Fred Helie, a worker on the project sometime between 1950 - 1958
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.   Photographs were taken by Fred Helie, a worker on the project sometime between 1950 - 1958
    Niagara Falls Public Library
  • Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.     Two 30 inch steel I beams welded together and used as support for concrete ring. Four of the supports were set up inder the ring
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.   Two 30 inch steel I beams welded together and used as support for concrete ring. Four of the supports were set up inder the ring
    Niagara Falls Public Library
  • Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.     10 ton mining locomotives, along with cars, flat cars, powder cars, conveyor loader, all of which were never used as mucky condition of the floor of the tunnel would not permit
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.   10 ton mining locomotives, along with cars, flat cars, powder cars, conveyor loader, all of which were never used as mucky condition of the floor of the tunnel would not ...
    Niagara Falls Public Library
  • Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.     Concrete dumpter used in tunnel to pour curbs on which tracks were laid for the travelling gantry as well as the invert tank gantry
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.   Concrete dumpter used in tunnel to pour curbs on which tracks were laid for the travelling gantry as well as the invert tank gantry
    Niagara Falls Public Library
  • Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.     10 inch steel pipe which was lowered from surface above. These were random lengths of 20 to 30 feet and were welded to one another as they were lowered into the hole. A cushion-aire pot was set under it, and through this the concrete ejected into the hopper. From hopper ...
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.   10 inch steel pipe which was lowered from surface above. These were random lengths of 20 to 30 feet and were welded to one another as they were lowered into ...
    Niagara Falls Public Library
  • Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.     10 inch steel pipe which was lowered from surface above. These were random lengths of 20 to 30 feet and were welded to one another as they were lowered into the hole. A cushion-aire pot was set under it, and through this the concrete ejected into the hopper. From hopper ...
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.   10 inch steel pipe which was lowered from surface above. These were random lengths of 20 to 30 feet and were welded to one another as they were lowered into ...
    Niagara Falls Public Library
  • Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.     Twisted cage back to the surface elevation
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.   Twisted cage back to the surface elevation
    Niagara Falls Public Library
  • Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.     Groove in 4 x 8 fir guides were gouged by safety dogs
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.   Groove in 4 x 8 fir guides were gouged by safety dogs
    Niagara Falls Public Library
  • Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.     Dismantling the erection jumbo to be moved from no. 1 to no. 2 tunnel
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.   Dismantling the erection jumbo to be moved from no. 1 to no. 2 tunnel
    Niagara Falls Public Library
  • Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.     Planking ribs in crosscut section against falling rocks
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.   Planking ribs in crosscut section against falling rocks
    Niagara Falls Public Library
  • Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.     Removing temporary headframe from inside permanent headframe
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.   Removing temporary headframe from inside permanent headframe
    Niagara Falls Public Library
  • Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.     Temporary headframe at Shaft no.2
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.   Temporary headframe at Shaft no.2
    Niagara Falls Public Library
  • Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.     In this picture we see the workmen cleaning the floor of the invert, on the curbs are tracks on which all machineries are moved
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.   In this picture we see the workmen cleaning the floor of the invert, on the curbs are tracks on which all machineries are moved
    Niagara Falls Public Library
  • Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.     Lowering loading bucket to bottom of grizzly
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.   Lowering loading bucket to bottom of grizzly
    Niagara Falls Public Library
  • Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.     Permanent Rock Bin just completed
    image  Helie, Fred, Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2 , Niagara Falls Public Library: Niagara Falls, 1953.   Permanent Rock Bin just completed
    Niagara Falls Public Library
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