Colorado Civil, Structural, & Land Surveying Experts
3 Rocks Engineering & Surveying provides civil, structural, transportation, and water resources engineering, along with professional land surveying. Founded in Cañon City, Colorado, the practice has grown to operate additional offices in Buena Vista and Colorado Springs. Its team serves municipal, educational, commercial, and residential clients with licensing across multiple states, including Colorado, Texas, Wyoming, Oklahoma, Missouri, New Mexico, Utah, Kentucky, Washington, and Montana.
Alex EwersCo-Founder
Andrea EwersCo-Founder
Comprehensive civil design and development support for commercial, residential, municipal, and industrial properties.
Grading, drainage, utility routing, and general civil site design.
Civil support for Applications for Permit to Drill (APDs), road access design, well pad grading, and drainage and detention design.
Building services, sewer main design, septic system design, and water main design for residential and commercial sites.
Onsite representation, RFI responses, as-built drawing reviews, and material/quantity tracking.
Structural design, analysis, and safety evaluations for commercial, historic, and residential buildings.
Building design, foundation design, and retaining wall design.
Structural and foundation inspections, floor level measurements and monitoring, and HUD foundation inspections.
Transportation design and planning services ranging from local pedestrian pathways to complex roadways.
Road design, sidewalk and trail design, intersection and roundabout design, bridge design, CDOT permitting, pavement conditions analysis, and construction phasing/traffic control planning.
Hydrologic and hydraulic modeling, storm drainage analysis, and water quality treatment system design.
Floodplain analysis, Letters of Map Revision (LOMRs), irrigation ditch and structure design, storm sewer design, water quality treatment design, detention design, scour analysis, and erosion protection design.
Professional land surveying solutions utilizing advanced field and plotting methodologies.
Land Survey Plats (LSP), Improvement Survey Plats (ISP), ALTA/NSPS land title surveys, and Improvement Location Certificates (ILC).
Subdivision plats, lot line adjustments, vacation plats, condominium maps, and legal descriptions with exhibits.
Topographic design surveys and construction staking services.
Elevation certificates for flood insurance and floodplain management compliance.
Commercial · Residential · Hospitality · Sports & Recreation · Airports · Education · Historic Preservation · Land Development · Oil & Gas · Stormwater & Flood Control · Transportation · Government
Colorado · Hospitality · Client: Love's Travel Stops
Provided civil engineering, structural engineering, and land surveying services for Love's Travel Stops throughout Colorado, including the design of its largest RV park to date along with multiple truck stops and convenience stores.
Florence, CO · Historic Preservation · 2021
Conducted structural inspections and provided structural framing and truss designs to restore a historic commercial building in Florence after its roof caved in due to a major fire.
Florence, CO · Hospitality · Client: Desert Reef Hot Springs
Delivered structural and civil engineering solutions for the hot springs destination, including a custom Onsite Wastewater Treatment System (OWTS) designed to overcome challenging clayey soils and high groundwater conditions.
Fremont County, CO · Airports · Client: Fremont County
Completed a master drainage study, site investigations, and hydrologic and hydraulic calculations for Fremont County. Designed primary drainage improvements, including a large channel to divert runoff from the east industrial park to a new detention basin.