Business Details
42 Years
experience
Your Trusted Geotechnical Engineering Partner in Bakersfield
Soils Engineering, Inc. (SEI) has been a trusted provider of geotechnical engineering, geological, environmental, materials testing, and surveying services for over 40 years. Our expertise spans project feasibility studies, sustainable design, soil and groundwater remediation, and advanced land surveying using state-of-the-art equipment. We serve private, government, and industrial clients across California, including Kern County, Tulare County, Ventura County, Monterey County, San Joaquin County, and San Luis Obispo County. Our team of certified engineers, geologists, and surveyors delivers tailored solutions for industrial, residential, and institutional projects, including schools and hospitals. With a focus on exceeding client expectations, we integrate technical precision with cost-effective project management.Our certifications from organizations like ACI, ICC, and CalTrans underscore our commitment to quality and industry standards. We specialize in addressing complex subsurface challenges, from liquefaction analysis to vapor intrusion mitigation, while maintaining a strong emphasis on safety and regulatory compliance. Our long-standing reputation is built on decades of delivering accurate data, innovative design/build solutions, and comprehensive site assessments. By combining advanced technology with hands-on field experience, we ensure projects progress efficiently from planning to final construction. Our clients benefit from transparent communication, technical expertise, and a proven track record in both urban development and critical infrastructure projects.
Services
Geotechnical Engineering
Environmental Services
Materials Testing
Surveying
Geological Services
Details
- Year established: 1984
Highlights and features
- We offer 40+ years of geotechnical engineering expertise in California's diverse geology.
- Our team includes certified engineers, geologists, and surveyors with specialized training.
- We provide integrated services from site investigation to construction oversight.
- Our use of 3D scanners and GPS ensures precise surveying and mapping capabilities.
- We maintain certifications from leading industry organizations like ACI and ICC.
Associations and certifications
- ACI
- ICC
- AWS
- CalTrans
- ASTM
- ANSI
- PTI
- DSA
Services
Geotechnical Engineering
Our geotechnical engineering services evaluate soil, rock, and groundwater interactions for foundation design and earth retention systems. We conduct project feasibility studies, sustainable design assessments, and provide construction oversight for residential, industrial, and institutional developments. Our engineers apply soil mechanics principles to ensure structural stability and regulatory compliance across California's diverse geology.
Environmental Services
We specialize in Phase I/II site assessments, soil and groundwater remediation, and vapor intrusion mitigation. Our team handles hazardous material sampling, monitoring well installations, and compliance with environmental regulations. Services include spill prevention planning, bioremediation, and soil contamination analysis for industrial and government clients.
Materials Testing
Our materials testing division provides earthwork observation and special inspection services for construction projects. Certified technicians perform concrete, asphalt, and soil testing to meet ASTM and CalTrans standards. We serve local agencies, developers, and critical infrastructure projects like hospitals and schools with quality assurance programs.
Land Surveying
We offer full-service land surveying using GPS systems and 3D scanners for precise project mapping. Services include topographic surveys, construction staking, elevation certificates, and volumetric measurements. Our surveyors integrate geotechnical data to improve project accuracy for residential and commercial developments.
Geological Services
Our geological services include fault investigations, seismic evaluations, and landslide analysis using advanced drilling techniques. State-certified geologists conduct hazard studies, pipeline risk assessments, and liquefaction analysis. We provide Tier 2 pond design testing and subsurface mapping for agricultural and industrial clients in California.
People
L Thomas Bayne
President
President with dual PE and GE certifications, overseeing operations and technical direction for 40+ years of geotechnical expertise.
Tony Frangie
Vice President
Vice President and certified engineer managing project execution and client relations across California's diverse construction sectors.
Cristine McCaffrey
General Manager
General Manager coordinating day-to-day operations and ensuring compliance with industry standards for engineering services.
Brian Marier
Senior Engineer
Senior Engineer specializing in complex geotechnical designs and construction oversight for critical infrastructure projects.
Darren McCaffrey
Chief Surveyor
Chief Surveyor leading land mapping operations with expertise in GPS and 3D scanning technologies for precise project execution.
Questions
What is a Preliminary Geotechnical Report?
A Preliminary Geotechnical Report assesses site conditions, subsurface materials, and provides foundation recommendations for building permits and construction planning.
What services does Soils Engineering offer?
We provide geotechnical engineering, environmental assessments, materials testing, land surveying, and geological services for construction projects.
How much soil is needed for lab testing?
Approximately one full 5-gallon bucket of soil is required for laboratory analysis.
What areas do you serve?
We operate throughout California, including Kern, Tulare, Ventura, Monterey, San Joaquin, and San Luis Obispo Counties.
What certifications do your technicians hold?
Our technicians are certified by ACI, ICC, AWS, CalTrans, ASTM, and other leading industry organizations.
What types of projects do you handle?
We support residential, industrial, schools, hospitals, oil companies, and government infrastructure projects with tailored engineering solutions.
