KENNECOTT MINE PEBBLE CRUSHER

Excavation and concrete contract to place over 4,500 cubic yards of concrete footings and foundations at the Kennecott Utah Copper concentrator, including a 2,200 cubic-yard crusher foundation and a three-foot thick mat slab footing. There were also more than 50 other separate footings and foundations for conveyors, steel structures and three small buildings on the Kennecott property. Challenges included placement of large quantities of concrete during the winter at a high elevation and cement shortages during construction.