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Comanche Road Expansion

Tackling Complex Shoring Challenges on the I-25 Over Comanche Road Expansion

How do you widen a highway, add new bridges, and keep traffic moving—all while working in tight spaces and around existing infrastructure? That was the challenge our team faced on the I-25 Over Comanche Road expansion project. At DHC, we pride ourselves on helping customers find cost-effective, practical solutions to complex construction problems. Every project…

Public Access and Protection Solutions

While originally designed for the variable and unpredictable world of construction, many of the same features that make modular scaffold indispensable on the job site make it just as applicable for use in publicly accessible structures, such as stairs and pedestrian ramps. Allowing for rapid…

232 Street Underpass

While D.H. Charles Engineering, Inc. is based in the United States, we also provide engineering services in many Canadian provinces. We recently had the opportunity to help a customer in British Columbia value-engineer a slide rail excavation shoring system on a large bridge construction project.…

Celebrating DHC’s Women in Engineering

In celebration of Women in Engineering Day, we’ve interviewed Christine Strong and Victoria Nago, two women engineers who are making their mark on the industry.

San Francisco International Airport

To meet demands of a busy airport with active construction interfacing with the public, we prioritized a scaffold design that minimized impact to pedestrian & vehicle traffic flow and we implemented pedestrian overhead protection tunnels to keep people safe from any potential falling objects or debris.

Burbank Water and Power Plant

Retaining stormwater is a massive challenge in the dry Southern California climate and stormwater retention and infiltration infrastructure is a critical piece of the water puzzle. However, placing these large preconstructed basins underground presents another challenge in itself. There are only a few ways to…

Engineers Without Borders – Vista Alegre Rainwater Catchment Project

Outside of her work designing scaffold and other temporary works, DHC engineer Christine Strong is leading a team of local civil engineers who are on a mission to provide clean drinking water to villages in Peru. We wanted to spotlight the work that her local Engineers Without Borders (EWB) chapter is continuously doing to provide aid to communities in need, one bucket of clean water at a time.

Wallis Annenberg Wildlife Crossing

The Wallis Annenberg Wildlife Crossing, located near the 101 Freeway in Agoura Hills, California, is a new 210-foot-long vegetated bridge set to make history and be the world’s largest wildlife crossing. The bridge will span 10 lanes of U.S. Highway 101 serving over 300,000 vehicles…

An Approach to Specialty Municipal Excavation Requirements

In almost all cases, excavation requirements are put in place by the local Authority Having Jurisdiction (AHJ) over a given project. This AHJ can be a municipality, building or structure owner, a railroad agency, an important utility owner, or multiple at once. Understanding how to…

St. Ignatius Church Restoration

One of the unknown perks of working for DHC in the niche world of construction engineering is getting the chance to work on some of the most iconic and historic structures throughout the country. One such opportunity came up during the restoration of the façade…