Coffintop Project; Colorado, USA

Coffintop Project; Boulder County, Colorado, USA

Tasks Performed: Consultant responsible for preparing the engineering geologic feasibility study for a large dam and storage reservoir. He directed and supervised the work of four professional geologists. The field investigations consisted of aerial photography interpretation followed by detailed geologic field mapping of the dam site and reservoir area, including geophysical surveys, core drilling, and testing of the dam foundation. The foundation was found suitable for supporting a large conventional or roller-compacted concrete (RCC) gravity dam.

Duration: 1982 (9 months

Description: The Coffin-top Dam site is located on the South St. Vrain Creek approximately 1.6 kilometers southwest of the town of Lyons, Colorado. The proposed project is part of an ongoing study to develop the water and power resources of the St. Vrain Basin.