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).
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...

A river with rapids flows through a city, bordered by rocks, greenery, and walkways. People sit near the water; buildings designed with civil engineering expertise, a bridge, and power lines are in the background under a clear sky.
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Located in the heart of downtown Denver, the South Platte River Rehabilitation project spans one...

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 sign reading Cleveland VA Fisher House with caring & compassion stands on a lawn with yellow and orange flowers, in front of a white fence—built with civil engineering excellence—and a red brick building under a clear blue sky.
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Calibre completed a comprehensive assessment of the storm sewer system for the Louis Stokes Cleveland...

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...

Aerial view of Riversport Rapids whitewater center in Oklahoma City, showcasing winding water channels crafted by expert whitewater engineers, with adjacent river, people in rafts, modern buildings, and the city skyline under a clear sky.
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Riversport Rapids Whitewater Center is the first pumped-park globally to offer a recreational, a competition,...

A detailed map displays the town of Moab, Utah, highlighting main roads, parks, bike paths, and recreation areas with green and tan shading. Labels identify locations and trails—ideal for whitewater engineer planning or Colorado engineering projects.
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Calibre’s Whitewater Team played a pivotal role in the development of the South Saint Vrain...

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,...

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 wooden pavilion with a slatted roof and stone pillars—crafted by a skilled structural engineer—stands in a sunny park, sheltering picnic tables and a central fire pit, all surrounded by green grass and trees.
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Calibre’s structural team worked on the revitalization of Berthoud Town Park, located in the heart...

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 site plan map of a riverside park highlights civil engineering features along the Arkansas River, including a river access trail, dam intake reconstruction, new and existing pedestrian bridges, Sand Creek, and removal of concrete debris.
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The Arkansas River is the main recreational attraction in Cañon City. Locals and visitors are...

A small adobe building with rustic stone walls and wooden beams sits among desert plants and trees, its sign reading Museum. Designed with expert civil engineering, a paved path leads visitors to the entrance.
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Located within the historic Chapin Mesa Historic Buildings and National Historic Landmark District, this significant...

A group of people gather under tents by a lake in a grassy field, with mountains and trees in the background, on a sunny day. Tables with displays and activities are set up for an outdoor event featuring colorado engineering projects.
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Calibre’s Whitewater Team led the development of the River Park Master Plan in Ketchum, Idaho,...

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...

Site plan title sheet for Berthoud Common Commercial Center, Lot 1, in Berthoud, Colorado, highlighting SDVOSB engineering expertise with a location map, legend, abbreviations, notes, and project details in black and white engineering format.
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Located at the southeast corner of Mountain Avenue and Berthoud Parkway in Larimer County, Colorado,...

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...

Two athletes in orange vests paddle a canoe through whitewater rapids on a slalom course designed by Colorado engineering experts, with a large crowd watching from the stands and a judge observing from the foreground.
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The Holme Pierrepont National Watersports Centre is a premier facility that underwent a transformative upgrade...

A sign reading Cleveland VA Fisher House with caring & compassion stands on a lawn with yellow and orange flowers, in front of a white fence—built with civil engineering excellence—and a red brick building under a clear blue sky.
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Calibre completed a comprehensive assessment of the storm sewer system for the Louis Stokes Cleveland...

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...

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...

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,...

Three large drainage pipes emerge from a concrete structure beneath a sidewalk, surrounded by grassy slopes and trees. A park sign is visible on the left, highlighting colorado engineering expertise in integrating infrastructure with natural landscapes.
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Calibre conducted a comprehensive assessment of a critical CMP and RCP stormwater pipe. The project...