Geotechnical study
Characterize the soil, design the foundations and check the stability of the ground before building.
Geotechnical and environmental studies and materials testing in Quebec
Groupe LAFI brings together engineers and technicians to characterize your soil, check your property’s compliance and test your materials, from the field investigation to the engineer’s report.
Since 2023, more than 300 mandates completed for more than 100 clients: ministries, municipalities, developers, contractors and private individuals.
Our engineering services
Basic or advanced geotechnical studies, environmental site assessments for every phase and materials testing, carried out to current standards.
Environmental site assessment
Phase I to IV site assessments to find out whether a property is contaminated and stay compliant.
Materials testing
On-site and laboratory testing of concrete, asphalt, soils and aggregates.
Soil testing
Soil study before construction: grain size analyses and percolation tests for residential, commercial or industrial projects.
Our areas of expertise
The expertise we bring to your projects, from field investigation to construction supervision.
- Field investigationsBoreholes, piezocones and seismic methods
- Environmental site assessmentPhases I to IV and chemical analysis of soils
- Foundations and pavementsBearing capacity, piles, rafts and pavements
- Seismic riskLiquefaction: simplified and advanced approaches
- Ground improvementStone columns, drains and compaction
- Slopes and retaining wallsStabilization of banks and slopes
- Dikes and damsDesign, stability and safety of the structures
- Construction supervisionWork monitoring and quality control
Recent mandates across Quebec
Based in Longueuil, on Montréal’s South Shore, we work for public and private clients in every region.
Why entrust your mandate to Groupe LAFI
We combine technical know-how, scientific rigour and close attention to your needs to offer a solution suited to each project.
- A multidisciplinary team
- Seasoned engineers and technicians specialized in geotechnical, environmental and materials engineering, in a single firm.
- Advanced analysis methods
- 1D and 2D numerical analyses, specialized software and up-to-date field equipment.
- Safety, quality and the environment
- Every recommendation aims for the short- and long-term safety of the structure, at the right cost.
- An approach tailored to each mandate
- A house, a municipal street or a dam: the investigation is sized to the project.
- Compliance with standards
- Canadian Foundation Engineering Manual, National Building Code and government requirements.
Testimonials
What our clients say
A big thank you to the whole Groupe LAFI team for their professionalism and excellent service. I was very well advised and supported throughout the process. The team was responsive, the deadline for the engineering report was met and the work on my lot was done quickly for the construction of my house.
Thank you for your good work and your reliability. I recommend them without hesitation
Private client · Building a house
Google review, translated from French ·
Read the review on Google (new tab)“Extremely responsive company, quick to get the job done.”
“Professional and fast service!”
“Fast service and very friendly staff.”
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