Soil Investigation Faster, Easier Using DT325 OTE

A full-service environmental and remediation company, GEOPRO INC, in New Jersey, conducts their own drilling. However, they also support a slate of clients through their probing, soil investigation, and monitoring well services. The past few years they’ve experienced growth in geotechnical work, so when they landed a job conducting SPT sampling inside a beverage bottling facility, they leaned on their probing roots to meet the job requirements, investing in the 3.25 out-the-end (OTE) system. Art Remedios, project manager, had seen the system on the Geoprobe^® website and during a demonstration day in Millstone, New Jersey, the previous fall.

“We needed to minimize dust and cuttings generated within the facility, so spinning augers was not an option. So once we had the project, I pulled the trigger on the 3.25 system,” Remedios said. “We conducted 10-15 geotech borings with almost no mess. The client was thrilled.”

A three-week job in Delaware required sampling a field designated for a 1.3 million square foot warehouse. Again they deployed the 3.25 OTE system.

“Using the 3.25 OTE system was lighter to carry, productive, and easy to work with,” Ryan Zajac, driller, said. “The 3.25 rods are lighter to pick up than augers, so it’s easier on the guys doing long days of geotechnical sampling.” 

They completed 45, 40- to 50-foot borings with everything fitting within the rod rack. The clients were pleased with the continuous sampling along with the SPT. They also appreciated less mess on the site with the elimination of backfill or piles of dirt.

“Production is 30 to 40 percent faster than doing augers,” Remedios said. “Under the right soil conditions, you can fly with the 3.25 system.”

Remedios praises the tooling durability, attributing Geoprobe^® quality control measures.

“The actual probe rods over the years are more durable. The threads wear more slowly and are so much nicer. They are quick to thread, hold tight, and hold up,” Remedios said. “I think the edge Geoprobe^® has on other manufacturers is they actually test the equipment and tooling versus just doing it because everyone else is.”
 

Split tube soil sampling system manufactured under U.S. Patent 9,551,188. It is best practice to consult applicable ASTM standards when performing geotechnical investigations.