GZA has been in performing non-destructive testing on both large and small deep foundations projects, both on land, or offshore, since the 1960’s. Over the last several decades GZA’s services have progressed with the technology and along with the needs of the industry so that we now perform the following cost effective, reliable services:

• Wave Equation Analysis (WEAP) 
• Dynamic Load Testing (PDA)
• Static Load Testing
• Pile Integrity Testing (PIT)
• Cross-Hole Sonic Testing (CSL)
• SPT Calibration
• Existing Foundation Evaluation