Oklahoma CityGeolocation: 35.519, -97.5058

Terracon's Oklahoma City office was one of first offices founded and opened in 1979. The office provides a full range of geotechnical, environmental, and construction materials engineering and testing services to private and public clients. The soil and concrete laboratory is fully accredited. The staff of more than 60 employees includes professional engineers, geologists, and environmental scientists.

4701 N. Stiles Ave.
Oklahoma City, OK 73105

Phone: (405) 525 0453
Fax: (405) 557 0549




Phil Wood, P.E., Office Manager
Krystal Harris, Client Development

Key Projects

Blue Canyon Wind FarmGeolocation: 34.6087, -98.3903
In 2002, Zilkha Renewable Energy began plans for a new wind energy generating facility north of Lawton, OK. The ridgeline's east-west orientation, directly perpendicular to the prevailing southerly wind direction, resulted in one of the most energetic wind resources in the Southwest. The project was named the Blue Canyon Wind Farm, and is located in rugged, rocky terrain. Terracon drilled 45 borings at the proposed sites of wind turbines, utilizing all-terrain vehicle drilling rigs. Even with all-terrain rigs, some dozing and grading was required in the rugged terrain to allow access. NX…

 Terracon provided subsurface exploration and other geotechnical services on the Dell technical support center.
Dell Technical Support CenterGeolocation: 35.4676, -97.5164
When the Dell Corporation was considering where to locate its fifth technical service center in the United States, they picked a Brownfields site, the location of a former landfill. Terracon provided the following services: subsurface exploration and geotechnical report; recommended drilled piers to support the building; decision to use dynamic compaction; dynamic compaction performed to densify fill and debris beneath the floor slabs and pavements; and provided dynamic compaction observation and testing.

Robinson Street BNSF Underpass ProjectGeolocation: 35.2226, -97.4395
Terracon is providing site characterization, remediation design, and remediation oversight services for the Robinson Street Underpass Project in Norman, OK. Terracon has completed site characterization activities including soil boring and monitoring well installation, soil and groundwater sampling, and slug testing at the site. Terracon has completed an ORBCA Tier 2 report, a Soil and Groundwater Management Plan, and Remedial Action Plan including a Sampling and Analysis Plan and Quality Assurance Project Plan for the proposed land-farming of impacted soil encountered during construction…