Zintel Canyon Roller Compacted Concrete(RCC) Dam The Zintel Canyon project was a local flood protection project to provide flood protection to portions of Kennewick, Washington. The project consisted of constructing a 90-foot-high, 520-foot-long, roller compacted concrete detention dam. It has an uncontrolled spillway and fixed-release outlet works at the mouth of Zintel Canyon and includes [...]

Horsetooth Reservoir Located west of Fort Collins, Colorado at an elevation of over 5,000 feet, Horsetooth Reservoir has a total capacity of about 151,750 acre-feet and comprises the main supply of water for the Poudre Valley, where 50 percent of the Colorado-Big Thompson project water is utilized. The Colorado-Big Thompson projects purpose is to divert [...]

East Boulder Mine - Stage 2 Tailings Storage Facility Stillwater Mining Company Nye, Montana The project work scope included clearing, stripping, and grubbing 30 acres, removal of surface soils/unsuitable material, embankment foundation preparation, excavation/embankment, processing/placement of sand and gravel (basin underdrain and erosion protection), subgrade preparation, liner bedding, excavation/backfill anchor trenches, installation of geotextile cushion [...]

Lamefoot Mine The Lamefoot Mine was an underground gold mine located in northeastern Washington in the Kettle Mountain Range. DelHur was contracted to reclaim the 12 acre site. The work scope for the Mine Reclamation included clearing, grubbing, excavation, embankment, reinforced gabion walls, and subgrade preparation all in an effort to re-contour the site to [...]

US 101 Hoh River Erosion The Hoh River is located on the west side of the Olympic Peninsula in Washington State. U.S. Highway 101 runs parallel to a section of the Hoh River just prior to its emptying into the Pacific Ocean. The river can experience extreme differences in depth and water flow speeds throughout [...]