Concrete foundation work by a cable way and work in progress at the site of Boulder Dam in the United States.
United States USA Date:1933, June Duration:5 min 53 sec Sound:NO SOUND
Different procedures in the construction of Boulder Dam on the Colorado River in the United States. Concrete being placed in the lowest level of the dam with a bucket. Men at the site. Work underway at the dam site. Different structures of the foundation of the dam. Motor trucks along a road. Concrete being placed on the entire lower level of the structure from a trestle anchored to the wall of a canyon. Concrete placed in interlocking columns. Transit mixers place the concrete in confined form. Buckets of concrete transported by a cable way. A bucket lowered into the forms. Safety locks of the bucket are unlatched and the concrete is dumped. Men at work in the confined form. Workmen in the skid way go to the top forms. Work underway at the dam. Buckets carrying concrete in a cable way. A part of the dam structure in view.
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