Our Work

A map of the United States highlights company locations: a headquarters in Colorado (marked with a yellow star) and offices in California and North Carolina (marked with yellow dots).
Construction workers in safety gear pour and smooth fresh concrete for a sidewalk and driveway near a building, as SDVOSB engineering professionals oversee the site. Trucks are parked nearby, with dirt and construction materials surrounding the area.
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This project encompassed the repaving and construction of the parking lot, covering both the existing...

Aerial view of a city neighborhood divided into multiple color-coded sections, designed by an SDVOSB engineering firm, showing residential and commercial areas, roads, and green spaces.
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Calibre Engineering collaborated with AECOM on a transformative Wastewater Master Plan for the City of...

A yellow excavator loads dirt into a white dump truck at a construction site under a clear blue sky. Dirt piles and tire tracks mark the ground, while power lines stretch in the background, showcasing real-world civil engineering in action.
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Calibre undertook the conceptual layout and cost estimation for a pivotal bridge extending from the...

A gently flowing river surrounded by lush green trees and grassy banks, with sunlight filtering through the foliage and some rocks visible in the water—an inviting scene for any whitewater engineer to study or simply enjoy nature’s serenity.
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Calibre’s Whitewater Team led the restoration of the Town of Lyons’ park following the devastating...

A small pond surrounded by yellowed reeds, green grass, and trees under a cloudy sky, with the water reflecting the clouds above—an inspiring scene for any Denver engineer seeking tranquility in nature.
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Calibre undertook a comprehensive stormwater master planning project for the 1,200-acre Original Aurora area in...

A United Airlines Boeing 787 Dreamliner airplane in flight against a blue sky with some clouds, highlighting the airline’s name and blue globe logo—an inspiring sight for any structural engineer or SDVOSB engineering professional.
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Calibre is providing civil engineering services, including due diligence, site planning, and infrastructure design for...

A concrete culvert, designed by a Colorado engineering firm, passes under a highway bordered by dry grass and rocks, with cars on the road and distant buildings beneath a cloudy sunset sky.
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The I-25 Erie Gateway is a transformative 600-acre mixed-use development designed to be a vibrant,...

Colorful mural with the words Meow Wolf and You Are Here on a building wall; designed with input from a structural engineer. A stadium and parked cars are visible in the background under an overpass.
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Calibre provided civil engineering services for the Meow Wolf building in Denver, Colorado, covering 90,000...

A large black truck labeled USAF EOD is parked on a paved area beside a grassy field, possibly the site of a colorado engineering or civil engineering project, with a small green flag marker in the foreground and a chain-link fence in the background.
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Calibre provided civil design services for an 11,619 square-foot Explosive Ordinance Disposal (EOD) Facility addition...

A person in a helmet and wetsuit competes in a river paddleboarding race, balancing amid whitewater rapids—a thrilling scene that might inspire any Denver engineer or civil engineering enthusiast standing on the rocky shore.
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The Durango Whitewater Park is one of the country’s most utilized whitewater parks. Calibre’s Whitewater...

Three people stand on rocky edges by a shallow river under a clear blue sky, with trees and grassy banks in the background—a peaceful scene that might inspire any civil engineering or structural engineer in Denver. Smooth stones line the shoreline.
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Calibre’s Whitewater Team sought to enhance the Supply Irrigating Ditch Company’s diversion structure on St....

A person in a helmet and wetsuit competes in a river paddleboarding race, balancing amid whitewater rapids—a thrilling scene that might inspire any Denver engineer or civil engineering enthusiast standing on the rocky shore.
[city_state]

The Durango Whitewater Park is one of the country’s most utilized whitewater parks. Calibre’s Whitewater...

A gently flowing river surrounded by lush green trees and grassy banks, with sunlight filtering through the foliage and some rocks visible in the water—an inviting scene for any whitewater engineer to study or simply enjoy nature’s serenity.
[city_state]

Calibre’s Whitewater Team led the restoration of the Town of Lyons’ park following the devastating...

A flooded street with partially submerged cars and muddy water swirling around them showcases the importance of civil engineering, as sunlight breaks through the clouds and trees line both sides.
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In July 2018, Englewood faced unprecedented 100-year flooding events that severely impacted three major basins,...

Aerial view of a large building complex with red roofs and white sections, surrounded by parking lots, roads, greenery, and solar panels—reflecting modern civil engineering. Pathways and parked cars are visible throughout the area.
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Calibre worked on the expansion and reconfiguration of the Emergency Department (ED) and the creation...

Sunlit cliffs and rock formations of the Grand Canyon rise above deep valleys, with green shrubs in the foreground—an inspiring scene for SDVOSB engineering and civil engineering projects under a hazy blue sky.
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Located in the picturesque North Rim area, this extensive infrastructure project spans vital water and...

A wooden footbridge with yellow caution tape blocks crosses a grassy creek with eroded banks—an example of civil engineering challenges—while nearby houses and trees rest under a partly cloudy sky.
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The Jackass Gulch project encompasses approximately 1,000 acres of critical watershed management. Calibre was contracted...

A suburban park with green grass, young trees, a small pavilion, and a paved walkway—crafted with civil engineering expertise—sits surrounded by houses under a clear blue sky.
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Located in Commerce City, the Settlers Crossing project encompasses 163.39 acres and features 120 single-family...

A large beige airport hangar under construction, with a boom lift and workers near the roof—showcasing impressive civil engineering. The sky is clear and blue, and the open tarmac stretches out in front of the building.
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Calibre provided civil engineering services for the aircraft hangar at Tinker Air Force Base, Oklahoma,...

A concrete culvert, designed by a Colorado engineering firm, passes under a highway bordered by dry grass and rocks, with cars on the road and distant buildings beneath a cloudy sunset sky.
[city_state]

The I-25 Erie Gateway is a transformative 600-acre mixed-use development designed to be a vibrant,...

Three people stand on rocky edges by a shallow river under a clear blue sky, with trees and grassy banks in the background—a peaceful scene that might inspire any civil engineering or structural engineer in Denver. Smooth stones line the shoreline.
[city_state]

Calibre’s Whitewater Team sought to enhance the Supply Irrigating Ditch Company’s diversion structure on St....

Sunlit cliffs and rock formations of the Grand Canyon rise above deep valleys, with green shrubs in the foreground—an inspiring scene for SDVOSB engineering and civil engineering projects under a hazy blue sky.
[city_state]

Located in the picturesque North Rim area, this extensive infrastructure project spans vital water and...

Rows of white headstones line a green hillside cemetery, with American flags among them, beneath a bright blue sky—a peaceful scene honoring those who served. This solemn landscape is maintained in part through the work of skilled civil engineering professionals.
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The Fort Logan National Cemetery Phase 1 Development project encompasses 49.42 contiguous acres, with approximately...