Terra Testing, Inc. offers a wide spectrum of Geotechnical Services for site investigations.

Investigations
Foundation Investigations
Mine Development & Expansion
Land Development
Earth Mass Movements-(Landslides)
Groundwater Monitoring
Aquifer Pump Testing
Rock Pressure Testing
Confirmatory Sampling
Highway Construction
Marine Drilling using Barge Rental Services

Sampling Technologies
Split Barrel Sampling - Standard Penetration Testing (SPT) using a 140lb. hammer (ASTM D-1586)
Split Barrel Sampling with 3” Split Spoon and 300 lb. hammer
Continuous Soil Sampler for 3.25” and 4.25” Hollow Stem Augers (H.S.A.’s)
Thin-Walled Tube Sampling / Undisturbed Soil Sampling (Shelby Tube) (ATSM D-1587)
Piston Sampling (ATSM D-1587)
Hand Sampling
Continuous Diamond Rock Core Drilling (EX, NX, NQ, HQ) (ASTM D-2113) using air or water including split-inner barrels.
Un-sampled Rock Drilling using 4, 6, 8, and 10” Air (percussion) Hammers
Angle Drilling

Instrumentation & Down-hole Testing Equipment
Piezometer Installations including Vibrating Wire
Inclinometer Installations (AASHTO T-254)
Packer Testing - Double or Single (ASTM D-4630)
  -Rock Fractures
  -Permeability
  -Draw-down Pump Test