Condon-Johnson & Associates is an innovative geotechnical construction contractor that is recognized for designing and building complex foundation systems for commercial, heavy civil and industrial projects throughout the Western United States. Our district offices are strategically located in Oakland, Los Angeles, San Diego, Seattle, and Portland, allowing our geotechnical experts to work closely with local public agencies and private industry to solve challenging design-build projects.Challenge: Installation of large diameter piling to 260 feet below grade in a lagoon with a top of permanent steel casing 26 feet below grade.
Services
Condon-Johnson's success is anchored by the innovation, expertise, and integrity of our people. It all started in the 1980's when Mike Condon and James Johnson transformed Kulchin and Associates, Inc. - a small shoring and foundation company responsible for completing the first soil nailing project in the Western Hemisphere - into Condon-Johnson & Associates (CJA).
A deep foundation transfers load to soil or rock that is typically much further below the surface than a shallow foundation does. Whether Condon-Johnson is providing deep foundations for new or existing structures, the company has the engineers, experience, and equipment to provide the most cost-effective solution to your challenging project.
Earth Retention, also known as Shoring, is used to support something that is otherwise unstable. Whether Condon-Johnson is stabilizing a landslide, underpinning an existing structure or supporting the sides of an excavation, the company has the engineers, experience, and equipment to provide the most cost effective solution to your challenging project.
Whether we are densifying granular soils to mitigate liquefaction around a bridge abutment or installing drilled displacement columns to provide bearing capacity for a new distribution center, Condon-Johnson has the engineers, experience and equipment to provide the most cost effective ground improvement solution for your challenging project.
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