Willow Creek Dam Rehabilitation 2017
CO Division of Parks and Wildlife
Rehabilitation of a high hazard, zoned embankment dam including installation of steel liner in outlet conduit, downstream stability berm, and access by water.
Chickamauga Lock Excavation
US Army Corps of Engineers
Rock excavation for installation of a new lock with access by water.
2018 Project Transition Support Services
Oklahoma City Water Utilities Trust and
Palmdale Water District (California)
Successfully setting a project off on the right foot requires a great deal of strategic effort in the days and weeks initially following Notice of Award. Rhyolite contributed a number of work plans and permitting services to facilitate the Atoka Dam and Spillway Rehabilitation Project and the Littlerock Reservoir Grade Control Structure Project transitions.
Permitting Support
Pueblo Conservancy District and
Colorado Parks and Wildlife
Rhyolite spearheaded the permitting efforts for the Arkansas River Levee Improvements Phase IV Project in late 2017 and the Sylvan Lake Spillway Project in early 2018.
Cacapon State Park
WV Division of Natural Resources
Rehabilitation of both the upper dam (Roller Compacted Concrete overtopping protection) and lower dam (dam crest raise and downstream buttress)
Center Hill Dam
US Army Corps of Engineers
Construction of Roller Compacted Concrete (RCC) Auxiliary Dam Reinforcing Berm and Stabilization of the Left Rim
Olmitos and Garcias Creeks Watershed, FRS Site 7 Rehabilitation
USDA - NRCS and Starr County, TX
Rehabilitation of an earthen embankment dam and auxiliary spillway. Features of work include new principal spillway pipe, soil-bentonite slurry wall, and roller compacted concrete (RCC) chute auxiliary spillway.
Pine Creek Modification of Dam and Outlet Works
US Army Corps of Engineers
Rehabilitation of a high hazard dam including secant pile wall, chimney filter, steel conduit liner, and downstream invert filter.
Business Development Support Services
Heeter Geotechnical Construction LLC "An SDI Company"
Statements of qualifications, technical proposals, and other business development support services for a dam and water resource contractor.