Geotechnical Solutions, Inc.
Geotechnical Engineering and Subsurface explorations.
About the firm
Geotechnical Solutions, Inc. (GSI) is a full-service geotechnical engineering and testing consulting firm based in Irvine, California, incorporated in 1993. GSI serves residential, commercial, industrial, wireless, institutional, religious, and public works clients throughout Southern California, with extended service areas in Central California, Nevada, and Southwestern Arizona. GSI operates a certified in-house laboratory and applies state-of-the-art software for seismic evaluation, slope stability, foundation analysis, pile analysis, and liquefaction studies. GSI has completed over 8,000 projects since 1992, including more than 6,000 wireless telecommunications sites, and serves as the sole geotechnical consultant for the Diocese of Orange.
- Established
- 1993
- Firm type
- Geotechnical Engineering · Materials Testing · Forensic Engineering
Credentials
City of Los Angeles laboratory certification · Office of the State Architect laboratory certification
People
Abraham S. BahaFounder and Principal Engineer
Capabilities
Geotechnical Engineering
Service websiteGSI provides a full range of geotechnical investigation, analysis, and design services. State-of-the-art software and automated systems are used for seismic evaluation, slope stability analysis, foundation and pile analysis, CPT interpretation, and liquefaction analysis.
- Subsurface explorations
- Cone penetrometer testing
- Laboratory testing
- Seismic hazard analyses and site-specific response spectra
- Slope stability analyses
- Pile analysis
- Soil stabilization and grouting
- Foundation design and grading recommendations
- Pavement design
- Fault trenching and landslide studies
- Rockfall analysis
- Hydrogeology
Earth Retention and Slope Stabilization
Service websiteGSI provides value-engineered design, design-build, and third-party review services for hillside developments, coastal bluffs, and property-line structures.
- Earth retention systems (conventional, soldier beam and shotcrete, tieback, soil nail, secant pile, modular, and hybrid walls)
- Slope stabilization systems (dowels, caissons and grade beams, tiebacks, tiedowns, geogrids)
- Temporary sheeting and shoring
- Dewatering systems
- Ground improvement and grouting
- Foundation and slab rehabilitation (jacking, injection, underpinning)
Forensic and Expert Witness Services
Service websiteGSI conducts forensic geotechnical investigations and provides expert witness testimony for cases involving landslides, bluff retreat, distressed foundations and slabs, ground subsidence, expansive soils, vibration damage, dewatering problems, and shoring failures.
- Forensic geotechnical investigations
- Evaluation of distressed foundations and slabs
- Evaluation of construction impact on adjacent properties
- Standard of care, code compliance, and value diminution analysis
- Remedial design and quantity estimation
- Expert witness testimony
- Instrumentation and monitoring
Earthquake Engineering and Seismicity
Service websiteGSI performs seismic hazard analysis, fault studies, and probabilistic and deterministic risk analyses, including earthquake-induced liquefaction and lateral spreading evaluation.
- Probabilistic and deterministic seismic risk analysis
- Earthquake-induced liquefaction and lateral spreading analysis
- Site-specific response spectra analysis
Industries
Telecommunications · Education · Religious · Residential · Commercial · Government · Arts & Culture · Legal
Projects
No projects listed yet.