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The geotechnical division provides extensive range of services from subsurface investigations to detailed designs for slope stabilization and retaining structures. Some salient services offered include:

  • Subsurface investigations and terrain analysis by borings, test pits,
  • geophysics, tomography and air photo interpretation for land development
  • geotechnical design of buildings, roads, runways;
  • Highrise, midrise and lowrise buildings, institutional, commercial and residential developments, subdivisions, dams, stormwater management ponds, and trails
  • Slope stability and streambank erosion risk assessment; slope stabilization/remediation
  • Design of retaining structures, foundation underpinning and engineered fill
  • Instrumentation & monitoring for slopes, tunnels, shoring, structures; settlement monitoring of weak compressible soils;
  • Expert consultation, review and testimony before municipal and conservation authority boards and environmental tribunal;
  • Geotechnical laboratory and field testing
  • Geotechnical design of highways, tunnels, bridges and culverts
  • Linear and municipal infrastructure
  • Soft clay engineering and settlement modelling, Finite Element modelling
  • Slope stability policy development and interpretation
  • Buried utility installation, route study assessments


The environmental division provides services in a variety of sectors and fields including:

  • Phase One Environmental Site Assessments (Phase One ESA)
  • Phase Two Environmental Site Assessments (Phase Two ESA)
  • Record of Site Condition (RSC)
  • Risk Assessments and Risk Management Plans
  • Peer Review and Expert Witness services
  • Designated Substance Survey (DSS) & Hazardous Material Assessment
  • Soil Management Plans for on-site and/or off-site management of excess soil
  • Soil vapour/gas and air quality assessment and monitoring
  • In-situ and Ex-situ Remediation Oversight
  • Coordination and liaison with regulatory agencies (MECP, Conservation Authorities and local municipalities)
  • Audits of properties for purposes of Purchase, Zoning, Development, or Compliance
  • Decommissioning/Demolition Management Services


Terraprobe provides hydrogeological assessments and services in a variety of sectors and fields including:

  • Urban Hydrogeological Study and Dewatering Assessment
  • Rural Hydrogeological Investigations and Source Water Impact Assessment and Mitigation Plan
  • Source Water Impact Assessment and Mitigation Plan for Wellhead Protections Areas
  • Feature Based Water Balances, Mitigation Strategies and Assessment of LID Measures
  • Coordination and liaison with regulatory agencies (MECP, Conservation Authorities and local municipalities)
  • Site Servicing Investigations for Private/Municipal Well Characterization
  • Permit to Take Water with MECP
  • Permit to Discharge water with various Municipalities

Inspection & Testing

The Testing and Inspection Division provides services in the implementation and review of geotechnical and geostructural designs; and general construction inspections and materials testing including:

  • Fully certified soil and aggregate testing laboratories, concrete laboratory certified to CSA Level 1 criteria in accordance to CSA A283, and asphalt laboratories certified by CCIL (Canadian Council of Independent Laboratories) Categories A, B, C, and D.   Terraprobe is a CNSC (Canadian Nuclear Safety Commission) licensed operator of appropriate nuclear density gauges
    • Conventional and specialized testing tools and knowledge to carry out fieldwork and laboratory testing as required
    • Geotechnical Field review for Buildings, Earthworks, Roadways and Parking Lots, Retaining Walls and Slope Restoration
  • Field and Laboratory Testing for soil, aggregate, asphalt, concrete, grout, mortar
  • Foundations & bearing capacity; footings, caissons, piles
  • Excavation stability and backfill monitoring
  • Underground services installation inspections and monitoring
  • Compaction control and engineered fill construction
  • Assessment of soil properties, gradation, in-situ permeability and hydraulic conductivity testing using Guelph Permeameter
  • Investigation of concrete cracking, high strength concrete temperature and strength calibration services 
  • Concrete block testing, adsorption, freeze-thaw
  • Asphaltic testing including bitumen content, gradation, Marshall bulk density, stability and air flow, air voids
  • Evaluation of asphaltic and concrete pavements
  • Design and inspection of rotary drill rig platforms in accordance with Ont. Reg. 213/91, s. 156

Building Sciences

The building science division provides valuable building envelope and structural engineering services relating to new and existing structures, for a wide variety of clients. These services include: 

  • Building Condition Assessments/Reports
  • Reinforcing Steel Inspections
  • Load Testing – Guards and Balconies
  • Building Envelope Thermography
  • Inspections for New & Renewal Construction
  • Roofing & Waterproofing Inspections 
  • Air Barrier, Insulation and Cladding Inspections
  • Glazing Inspections – Windows, Curtainwalls, Window Walls, Skylights
  • Fire Stop and Fireproofing Inspections
  • Floor Moisture Testing
  • Structural Steel Site & Shop Inspection Services for Building and Bridge Inspections
  • NDT Testing Services MPI, LPI, UT 
  • Watermain Welding Inspection Services 
  • Flat Jack Testing 


The Geostructural Engineering Division is responsible for the design & implementation of soil-interacting structures.  Our services include:

  • Excavation Shoring Systems:
    • Pile & Lagging Walls
    • Caisson (Secant) Walls
    • Sheet Pile Walls
    • Shotcrete Walls
    • Internal & External Lateral Supports
    • Tunnel Access Shafts
  • Foundation Design
    • Micropiles
    • Helical Piers
    • Continuous Flight Auger (CFA) Piles
    • Caissons
    • Underpinning
  • Monitoring
    • Inclinometers
    • Building Monitoring Points
    • Shoring Monitoring Points
    • Tiltmeters
    • Vibration Monitors
  • Finite Element Modelling
    • Displacement Prediction and Assessment
    • Sensitive Infrastructure Projects
  • Vibration Assessment and Monitoring & Preconstruction Condition Surveys
  • Encroachment Permit Management
  • Field Review, Tieback Stressing, Shoring Instrumentation & Monitoring programs
Consulting Geotechnical & Environmental Engineering, Hydrogeology, Geostructural, Construction Materials, Inspection & Testing


11 Indell Lane, Brampton, ON L6T 3Y3

Phone: 905-796-2650
Fax: 905-796-2250

903 Barton Street, Unit 22, Stoney Creek, ON L8E 5P5

Phone: 905-643-7560
Fax: 905-643-7559

220 Bayview Drive, Unit 25, Barrie, ON L4N 4Y8

Phone: 705-739-8355
Fax: 705-739-8369

1012 Kelly Lake Road, Unit 1, Sudbury, ON P3E 5P4

Phone: 705-670-0460
Fax: 705-670-0558