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You've searched: Frank A. Banks Collection

  • Title: Block
(22 results)



Display: 20

    • Rock Excavation for Block 39

    • Hoisting machinery; Dam construction; Excavation; Civil engineering; Erosion protection works; Concrete; Civil engineering; Construction employees
    • Photograph shows a multitude of workers involved in excavation activities behind the timber crib and the west cofferdam. Excavation activities continued behind a protective steel piling structure that boxed in the men and made mechanized concrete...
    • Governor on Block 11 Elevator

    • Safety equipment; Gearing
    • Ball-type speed governor on 10,000-pound gearless, traction-type elevator, in Block 11. Excessive speed of the car will cause this governor to interrupt the power supply, set the brake on the hoisting machine, and engage the safety jaws on the car...
    • North End of Block Forty

    • Conveying systems--Washington (State)--Grand Coulee Dam; Cofferdams
    • Shown here is the north end of block 40 in foreground, the timber crib plug to the cofferdam cell cluster, center tower of aggregate suspension bridge tower in cell 5, cofferdam section "G." Bridge spans on both sides of tower, 1437 feet....
    • Cable Trays in Block 10

    • Communication cables--Washington (State)--Grand Coulee Dam; Employees--Washington (State)--Grand Coulee Dam
    • View of the top of the vertical shaft between elevations approximately 1062 and 1250 in block 10, through which control cables extend from the control room of the left powerhouse onto the cable trays seen at the left and far right, which carry the...
    • Block 39 Excavation

    • Dam construction; Excavation; Civil engineering; Erosion protection works; Concrete; Construction employees
    • Photograph demonstrates concentration of labor power required for excavation activities where men were the mass expenditure in lieu of machinery that was less efficient in the cramped excavation of the deeper crevices in the river bed.
    • Aerial View Southeast of Block 40

    • Construction; Excavation; Civil engineering; Erosion protection works; Concrete; Construction employees
    • Large scale view of construction activities during the summer of 1936 with the construction of concrete placing trestles and other routine features clearly visible from the high vantage point.
    • Concrete Block Construction

    • Concrete
    • The concrete cells in this image show the construction process of the monolithic Grand Coulee Dam. These low placing trestle reinforced these blocks as they built up to its height, only to be replaced as they surpassed the low trestle by a high...
    • Cement Block Pour Preparations

    • Civil engineering; Concrete; Construction; Construction employees
    • This scene shows typical operations for preparing the blocks for another pour of concrete from the four-yard buckets lifted by cranes from the placing trestle and brought to the cells to unload their cargo. Notice another concrete innovation that...
    • Concrete Block Construction

    • Civil engineering; Concrete; Construction employees
    • Shown here is the west end of the dam as viewed from the westmix concrete mixing plant. Notice the beginnings of the 18 foot penstock tubes that, when completed, will control the flow of water into the west side power house.
    • Block Cooling Shaft

    • Concrete
    • Shown here is the exit of a thirty-six inch cooling shaft that was an integral part of the dam construction. A constant flow of water was maintained throughout the structure of the dam using pipes like these to ensure proper temperature. This...
    • Columbia Basin Project History; Text of Volume X (1942)

    • Dam construction; Dams; Power plants; Reservoirs; Spillways; Hydroelectric power; Housing; Construction; Plans; Government officials; Excavation; Surveying; Irrigation; Rivers; Pedestrian bridges; Sewerage; Hydraulic facilities; Civil service
    • Table of Contents and selected material from volume ten of the Columbia Basin History Project for the Grand Coulee Dam
    • Columbia Basin Project History; Text of Volume III (1935)

    • Dam construction; Dams; Power plants; Reservoirs; Spillways; Hydroelectric power; Housing; Construction; Plans; Government officials; Excavation; Surveying; Irrigation; Rivers; Pedestrian bridges; Sewerage; Hydraulic facilities; Civil service
    • Entire text portion of Columbia Basin History Project, vol. III documenting the construction of the Grand Coulee Dam.
    • Spillway Block Diversion Flood Stage

    • Dam construction; Water resources development; Hydroelectric power
    • The amount of progress in 1939 is visible when looking at the growth of the spillway blocks seen here at flood stage. During flood stage as seen in this picture contractors not only used the elevation 934 outlet works for river diversion, but 17...
    • Glass Block Window Frames

    • Construction employees; Window boxes--Washington (State)--Grand Coulee Dam
    • Three employees of contractor Owens-Illinois Glass Company are shown constructing one of the ten bay windows for the downstream wall of the left powerhouse.
    • Block Cooling Shaft

    • Concrete
    • In the transverse gallery a viewer can see the headers for the water cooling system that was so vital to the integrity and tenacity of the concrete at the Grand Coulee Dam.

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