Services
Drilling and Subsurface Exploration Consulting
We provide subsurface exploration and drilling services to clients through conventional test borings, cone penetrometer soundings, and monitoring well installations.
Services include, but are not limited to:
Drilling Services
- Standard Penetration Test (SPT) Borings
- Auger and Mud-Rotary Drilling
- Low-Clearance Access Drilling
- Monitoring Well Installation
- Rock Coring
- Shelby Tube Sampling
- Concrete & Asphalt Coring
- Well Rehabilitation
- Well Abandonment
- Rock and Soil Packer Testing
Instrumentation Installation
- Inclinometers
- Vibrating Wire Piezometer
- Rod and Magnet Extensometers
In-Situ Testing
- Electronic Cone Penetrometer Testing (CPT)
- Seismic Electronic Cone Penetrometer Testing (SCPT)
- Dilatometer Testing (DMT)
- Pressure Meter Testing (PMT)
- Borehole Shear Testing (BST)
- Rock and Soil Permeability Testing
- Yield Testing for Municipal, Commercial, and Industrial Wells
- Infiltration Testing
Featured Projects
Four Seasons Hotel & Legg Mason Office – Environmental Focus
Baltimore City, MD
Comfort Inn Bank Stabilization & Stream Restoration
Prince George’s County, MD
Riverside Wharf
Baltimore City, MD
The Uplands Retaining Walls, Phase 9-12
Prince George’s County, MD
One Glenwood Office Tower
Raleigh, Wake County, NC
State Road, Seasons Road, and Wyoga Lake Road at “The Triangle”
Cuyahoga Falls, Summit County, OH
Partner With Us
With more than 500 engineers, geologists, scientists, technicians, and support personnel, GTA has the expertise, resources, and experience to meet your needs. Reach out to us today.