Benson Park Ponds Stormwater Improvements

Crook waterline installation – Crook, CO

Lithos Engineering assisted the City of Loveland, Colorado with design and construction management of two new stormwater conveyance tunnels that connects two existing lakes. The tunnels were constructed using a guided auger boring methods through soft and wet clay with minimal cover.

Lithos Engineering Waterline Installation Using Horizontal Directional Drilling (HDD) - Crook, Colorado

fossil creek pedestrian tunnel

This time lapse shows the overall construction of Lithos Engineering's Fossil Creek Pedestrian Tunnel, located in Fort Collins, Colorado.

Greeley transmission line

Lithos Engineering staff provided design and construction management services for this 1,800 foot tunnel. The tunnel was constructed with an open face TBM and has a curve that was constructed to eliminate a central shaft. This video shows the hole through at the end of the project. After tunneling was complete, a steel carrier pipe was installed and grouted that will provide treated water to the City of Greeley.

Lithos Engineering provided design services and construction management for rockfall mitigation on Larimer County Road 31 in Northern Colorado.

This video shows an overview of construction of the Michigan Ditch Tunnel in Jackson County, Colorado. This was a curved, hard rock tunnel constructed with a Tunnel Boring Machine (TBM). The site is located at 10,500 feet and the two pass tunnel system was designed to convey water behind and below a large landslide that regularly disrupted water supply.