Foundation work for the three-story, 42,000-sq-ft concrete and steel building atop an active parking garage was already underway when a new city council requested significant programming changes to accommodate a larger number of employees.

Accelerating population growth in the filter plant’s service area led to its first major capacity upgrade in nearly 20 years. To increase capacity to 60 million gallons per day from 45 million, the project included construction of two new flocculation and sedimentation process trains, rapid mix piping, a 1.5-million-gallon chlorine contact tank and the expansion or adjustment of more than 30 different yard pipelines up to 72 in. in diameter.      

Because the 11,000-ft-long, 150-ft-wide grooved asphalt general aviation runway and its adjacent taxiway connectors are in near constant use, the rehabilitation needed to make the most of a 90-day closure window while still meeting standards for quality, safety and long-term durability.

A 72-in.-dia sewer pipe called the Delgany Interceptor forms the backbone of the nation’s largest wastewater heat recovery (WHR) system, providing the National Western Center’s seven-building campus with 90% of its heating and cooling needs.

To position the airport for continued growth, the three-phase Jeppesen Terminal Great Hall project aims to enhance security, increase capacity, improve operational efficiency and elevate the passenger experience.

Located on a small and technically challenging site in downtown Denver, this 90,000-sq-ft building is home to one of the nation’s most ambitious immersive art experiences.