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In the early 1960s, pioneering researchers at Case Institute of Technology in Cleveland,
OH were developing new methods of non destructive pile testing to support the industry
trend toward more efficient high capacity deep foundations. Those new methods, and
associated hardware and software solutions, included the Case Method of Pile Testing,
the Pile Driving Analyzer, and the Wave Equation Analysis of Piles computer program.
Being most knowledgeable about the capabilities of those new dynamic foundation
testing approaches, the research team was frequently asked to provide consulting
services to the deep foundations industry. Thus, the research team formed a consulting
firm known today as GRL Engineers, Inc., or simply GRL.
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Dr. Frank Rausche and Garland E. Likins, circa 1970's
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GRL Engineers services range from small or specialized testing jobs (such as investigating
unknown foundations) to large-scale projects requiring the monitoring and analysis
of hundreds of test piles. GRL's seven offices allow it to maintain a quick,
cost-effective responsiveness to client needs throughout the United States, the
Caribbean, Central America and Northern South America. GRL also performs offshore
foundation testing work and other complex jobs in countries across the globe.
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GRL today is led by
Pat Hannigan, President, and
Mohamad Hussein, Chairman of the Board. They are
joined by highly accomplished and experienced engineers, among them
Scott Webster,
Michael Morgano,
Camilo Alvarez and
Brent Robinson.
Learn more about GRL
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"We wish to extend to you our utmost appreciation for another job well done. Your
prompt service, reporting and professionalism are unparalleled (...). We look forward
to working with you again in the near future."
- James Pelham, Project Manager, Misener Marine Construction, Inc.
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Most GRL Engineers have achieved Advanced Level or higher on both the PDCA/PDI Dynamic
Measurement and Analysis Proficiency Test and on the Foundation QA (FQA) High Strain
Dynamic Pile Testing Examination.
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