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  • TGM Subject
  • Description
  • Collection
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  • Penstock Transportation
  • Penstocks--Washington (State)--Grand Coulee Dam; Equipment & personnel transportation; Spillways--Washington (State)--Grand Coulee Dam
  • Transportation of a penstock section to the right power house. The truck and loaded trailer have moved onto the barge which will carry both across the intervening water of the right tailrace.
  • Frank A. Banks Collection
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  • Motor Barge "Paul Bunyan"
  • Equipment & personnel transportation
  • Constructing a motor barge for transportation of men and equipment up and down the Columbia River. In addition to transportation, these barges also contributed to river diversion by assisting in the placement of closure gates that blocked the...
  • Frank A. Banks Collection
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  • Power Barge Transportation
  • Equipment & personnel transportation
  • The contractor transfers a power barge to the upstream side of the dam.
  • Frank A. Banks Collection
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  • Trashrack Storage
  • Equipment & personnel transportation
  • The contractor's railroad crane places a painted or dipped trashrack in storage. The racks will not be moved to the dam until the paint has dried. If the heat of the sun is too severe, the racks are sometimes sprayed with white wash so that the...
  • Frank A. Banks Collection
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  • Trashrack Painting
  • Equipment & personnel transportation
  • As a rack is withdrawn from the prime dipping tank, the excess paint is removed with an air jet. When the primer coat has dried, the rack will be dipped for the second and final coat of paint.
  • Frank A. Banks Collection
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  • Trashrack Painting
  • Equipment & personnel transportation
  • A table of painted items is available in CBPH vol. VII, 215.
  • Frank A. Banks Collection
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  • Piezometer Pipes
  • Equipment & personnel transportation
  • Manifold of piezometer pipes in a recess in the elevation 1,000 gallery of block 53. Each of these pipes terminates at some point along the right outlet conduit at elevation 1036 in block 51.
  • Frank A. Banks Collection
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  • Penstock Liner
  • Penstocks--Washington (State)--Grand Coulee Dam; Equipment & personnel transportation; Spillways--Washington (State)--Grand Coulee Dam
  • An 18-foot diameter penstock liner, and load of reinforcement steel approaches the right power house by road along the river. A barge will carry one truck and the loaded trailer across the intervening water of the right tailrace. The rear truck...
  • Frank A. Banks Collection
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  • Penstock X-Ray Machine
  • Penstocks--Washington (State)--Grand Coulee Dam; Equipment & personnel transportation; Spillways--Washington (State)--Grand Coulee Dam
  • A 200,000-volt X-ray machine photographing the circumferential welded seams of a main unit penstock section. One picture covers 16 inches of the seam; the penstock liner is rotated so that successive 16-inch sections of the seam are X-rayed. The...
  • Frank A. Banks Collection
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  • Penstock Hoisting
  • Penstocks--Washington (State)--Grand Coulee Dam; Equipment & personnel transportation; Spillways--Washington (State)--Grand Coulee Dam
  • A main unit penstock section about to be hoisted into a right power house turbine pit. A total of 126 sections was moved by this method into the right power house turbine pits without a single mishap.
  • Frank A. Banks Collection
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  • Fabrication Plant
  • Penstocks--Washington (State)--Grand Coulee Dam; Equipment & personnel transportation
  • Western Pipe & Steel Company's fabrication plant at Electric City. Completed penstock sections have been rolled out into the storage yard.
  • Frank A. Banks Collection
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  • Concrete Skipway
  • Equipment & personnel transportation; Concrete; Construction; Hoisting machinery; Employees--Washington (State)--Grand Coulee Dam
  • View down the concrete transfer skipway toward the east powerhouse area.
  • Frank A. Banks Collection
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  • East Powerhouse
  • Trestles; Construction equipment; Hoisting machinery; Equipment & personnel transportation
  • View over the east powerhouse from the mixing plant. Concrete transfer skipway in the foreground.
  • Frank A. Banks Collection

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