The Calaveras Dam Replacement Team has been working hard since April, scraping away at existing earthen materials to excavate for the dam foundation. We have now reached the highest point of the dam foundation for the future replacement dam. This point is located in the right abutment, an area located to the right when looking downstream from the dam. By July 2012, we anticipate to move close to 1 million cubic yards of materials. Our scrapers are excavating approximately 20,000 cubic yards per day. The scrapers operate with hydraulics using a blade which then scrapes materials into a drop can, carrying up to 30 cubic yards per trip. These materials are then moved to a disposal area within the project site. The scrapers are about 11 feet tall and the project is operating 12 scrapers for the excavation work.
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