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  • Title
  • TGM Subject
  • Description
  • Collection
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  • Switchgears
  • Electrical apparatus; Employees--Washington (State)--Grand Coulee Dam
  • 6900-volt switchgear XLS panels in the station service bay of the left powerhouse.
  • Frank A. Banks Collection
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  • Outlet Conduits Discharge Ports
  • Water tunnels--Grand Coulee Dam
  • "Eyebrows" at the downstream or discharge end of the outlet conduits at elevation 1036. This short section of the 102-inch diameter conduits is not steel lined.
  • Frank A. Banks Collection
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  • Flame Cleaning Spillway Drum Gates
  • Spillways--Washington--Grand Coulee Dam; Construction employees--Washington (State)--Grand Coulee Dam; Welding--Washington (State)--Grand Coulee Dam
  • "Flame-cleaning" the exterior of a spillway drum gate, preparatory to the application of four coats of paint. Eighteen acres of metal surface stared welders in the face when they recently began cleaning the interiors and exteriors of the 11 giant...
  • Frank A. Banks Collection
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  • "Synchronized" Trucks Transporting Steel Girders
  • Girders; Trucks--Washington (State)--Grand Coulee Dam
  • "Synchronized" trucks handling a long, heavy section of steel roof girder, transporting it to the east powerhouse.
  • Frank A. Banks Collection
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  • Giant Gantry Crane
  • Hoisting machinery; Roads--Washington (State)--Grand Coulee Dam; Automobiles--Washington (State)--Grand Coulee Dam
  • A 150-ton crane on the dam above the left powerhouse, used in assembling and installing coaster gates over the entrances to the penstocks.
  • 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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  • American Flag
  • Power plants--dams--Washington (State)--Grand Coulee Dam; Flags--United States
  • A 20x38 American Flag was hung against the east wall of the west powerhouse to inspire workmen to maximum efficiency.
  • Frank A. Banks Collection
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  • Rotor Installation
  • Hydroelectric generators; Hoisting machinery; Employees--Washington (State)--Grand Coulee Dam
  • A 527-ton rotor, for the first of the 108,000 kilowatt generating sets, being fitted inside the stator or stationary section of main unit L-3. Two 350-ton cranes, joined together by means of a 60-ton lifting beam consisting of two single-trees and...
  • Frank A. Banks Collection
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  • Conveyor of New Mixing Plant
  • Conveying systems--Washington (State)--Grand Coulee Dam; Concrete mixers--Washington (State)--Grand Coulee Dam; Construction
  • A bucket conveyor will be used to lift aggregate from timber bunkers to the top of the new Bureau of Reclamation mixing plant, where a chute will direct the flow into any one of three compartments of a storage bin.
  • Frank A. Banks Collection
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  • Pier Nose
  • Dam construction
  • A draft tube pier nose casting is placed in position in the bottom of a main unit turbine pit at the left power house.
  • Frank A. Banks Collection
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  • General View of Area from North Cliffs
  • Grand Coulee (Wash.); Dams; Spillways--Washington--Grand Coulee Dam; Bridges--Washington (State)--Grand Coulee Dam
  • A few downstream of the Grand Coulee Dam with floodgates open.
  • Frank A. Banks Collection
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  • Cable Control Gallery
  • Dam construction; Trestles
  • A form is placed in position for the 12-foot diameter circular cable control gallery at elevation 1060 in the dam.
  • 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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  • Elevator in West Powerhouse in Operation
  • Elevators; Employees--Washington (State)--Grand Coulee Dam
  • A passenger leaving the 4,000-pound capacity elevator in the control bay of the west powerhouse. The machine can be operated either with or without an attendant, and travels about 180 feet. A 10,000-pound capacity freight elevator is in service in...
  • Frank A. Banks Collection
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  • Trestle Under Construction
  • Trestles; Railroads; Employees--Washington (State)--Grand Coulee Dam
  • A photograph looking down on part of the trestle showing workers vehicles.
  • Frank A. Banks Collection
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  • Reinforcing Steel
  • Safety equipment; Employees--Washington (State)--Grand Coulee Dam; Smoking--Washington (State)--Grand Coulee Dam
  • A photograph of workers preparing heavy reinforcing steel while two men loiter smoking.
  • Frank A. Banks Collection
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  • Selling War Bonds
  • Cranes; Employees--Washington (State)--Grand Coulee Dam; War bonds & funds--United States
  • A photograph representing the importance of and push for workers to buy war bonds.
  • Frank A. Banks Collection
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  • Diamond Drilling
  • Drilling & boring machinery; Construction employees--Washington (State)--Grand Coulee Dam
  • A photograph showing a government worker drilling uplift pressure holes into the bedrock with a air-driven Sullivan Turbinair diamond drill.
  • Frank A. Banks Collection
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  • Drum Gate Inspection
  • Spillways--Washington--Grand Coulee Dam; Employees--Washington (State)--Grand Coulee Dam
  • A photograph showing engineers checking the installation of hinge anchors, due to the fact that some of the hinge anchors installed had interference between the anchor and the base where they were to be connected.
  • Frank A. Banks Collection
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  • Spillway Bridge
  • Spillways--Washington--Grand Coulee Dam; Road construction--Washington (State)--Grand Coulee Dam; Construction employees--Washington (State)--Grand Coulee Dam
  • A photograph showing workers working on the falsework for the spillway bridge.
  • Frank A. Banks Collection

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