Construction Briefing ranked the San Diego Terminal 1 as the world’s third biggest airport megaproject under construction. If you’ve flown into San Diego, you know how exhilarating…
Southwest Division
With more than 25 years’ experience, Flatiron’s Southwest Division continues to deliver innovative infrastructure solutions across Southern California, including projects in Los Angeles, Orange County and San Diego.
Contact
Dale Nelson
Executive Vice President – Operations
Dale has nearly 30 years of experience in the heavy civil construction industry — 26 of those with Flatiron. He provides operational leadership for the Southwest and Central Divisions and leadership for Flatiron’s corporate Health & Safety program. In addition, Dale oversees Flatiron’s corporate Environmental and Sustainability Group that is vital to meeting the company’s Environmental-Social-Governance commitments. Plus, he serves as Flatiron’s senior executive representative for several high-profile projects in California, Arizona and Texas — including the Los Angeles Metro Highway 105 CM/GC project, the San Diego International Airport Terminal 1 Progressive Design-Build project, and the I-10 Broadway Curve project in Phoenix. Dale holds a Bachelor of Science degree in Civil Engineering from the California State Polytechnic University in Pomona and is a Registered Civil Engineer in the State of California.
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Office Information
San Diego District
12121 Scripps Summit Dr.
Suite 400
San Diego, California 92131
Phone: 760-916-9100
Fax: 760-916-9101
View mapLos Angeles Orange County District
14726 Ramona Ave
Suite 300
Chino, California 91710
Phone: 909-597-8413
View mapKey Contacts
Dale Nelson
Executive Vice President – Operations
Southwest Division
Flatiron's Southwest Division has extensive experience building and repairing transportation infrastructure throughout Southern California. With operations across California, Flatiron specializes in bridge and roadway construction, managed lane projects, transit and rail work, utility and underground projects, airport improvement projects and other civil infrastructure. The Division is currently working on the Los Angeles International Airport’s New Automated People Mover (APM) together with consortium partners ACS Infrastructure Development, Dragados, HOCHTIEF PPP Solutions, Fluor, Balfour Beatty and Bombardier. This is the first time a Public Private Partnership (P3) Design Build Finance Operate Maintain (DBFOM) method will be used to construct and operate an automated people mover. Our California Contractor License No. is 772589.
Division News
Donnie Riese Earns Prestigious Golden Beaver Award for Construction Excellence
Flatiron Operations Manager Donnie Riese was recognized with the 2025 Golden Beaver Award, celebrating a remarkable 48-year career in the construction industry. Starting at 17, Donnie worked…
Phoenix’s Broadway Curve Project Enters Fourth and Final Phase
The Broadway Curve project in Phoenix placed the final flyover bridge, opened the new westbound collector-distributor roadway and opened the new southbound SR-143 flyover ramp to eastbound…