• Complete Site Geotechnical Evaluation
• Earthwork Recommendations
• Earth Retaining Structure evaluation
• Excavation Support System Design
• Slope Stability Evaluation
• Foundation Analysis and Recommendations
• Seismic Site Specific Evaluations
• Liquefaction Potential Analysis
• Settlements
• Seepage
• Dewatering Systems and Design (Design-Build)
• Geo-environmental Consulting
• Erosion Control
• Geosynthetics
• Deep Foundations
• Pile driving criteria, Pile load test evaluation
• Drilled Shaft Testing and Evaluation
• Geotechnical Engineering Forensics
• Geological Studies

FIELD GEOTECHNICAL TESTING AND MONITORING:

• Deep Auger Borings with soil sampling and testing by Standard Penetration Test (SPT)
• Earthwork monitoring and fill density testing with nuclear gauges
• Plate Bearing Tests and CBR
• Ground Penetrating Radar (GPR)
• Downhole Seismic Tests
• Crosshole Seismic Tests
• Seismic Refraction
• Resistivity
• Ground Water Pumping Tests
• Piezometer installation and interpretation
• Inclinometers for slope stability monitoring
• Structural strain monitoring with strain gauges
• Crack monitoring
• Monitoring of ground loss during Tunneling (Extensometers, inclinometers...)
• Settlement Monitoring
• Ground Anchor Testing

(c) Jaca & Sierra Testing Laboratories, Inc.
PO Box 363116, San Juan , Puerto Rico 00936
tel. 787-761-2570 fax. 787-748-6970

[Map directions to main offices]