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TD provides comprehensive soils testing and materials engineering service, combining routine laboratory testing with technical consultancy support.

We are England’s only UKAS accredited laboratory capable of testing to the ENA 97-1 technical specification for special Backfill Material for Cable Installations.

We are renowned for assisting clients with material sourcing, specification development, and project-specific engineering guidance to support efficient and cost-effective project delivery.

With over 100+ years of combined technical experience, our team delivers accurate and reliable results while helping clients avoid unnecessary testing and maintain compliance with confidence.

Soil 123 Services

  • Soil Stabilisation Trials / Mix Design
  • Particle Size Distribution (PSD)
  • Moisture / Water Content
  • Plasticity Index – Liquid & Plastic Limits
  • Dry Density/Moisture Content Relationship (OMC) – 2.5kg, 4.5kg & Vibrating Hammer
  • Particle Density
  • Moisture Condition Value (MCV)
  • MCV / Moisture Content Relationship
  • California Bearing Ratio (CBR) & Swell Measurement
  • Degree of Pulverisation
  • Hand Shear Vane (HSV)
  • Clegg Hammer
  • Frost Heave*
  • Shear Box (Small & Large)*
  • Undrained Shear Strength – Triaxial*
  • Permeability*
  • Resistivity*
  • Redox Potential*
  • Organic Matter Content*
  • Loss on Ignition
  • pH Value*
  • Waste Acceptance Criteria (WAC)*

Schedule for UKAS accredited tests or contact us to discuss your testing requirements.

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Get in touch today to speak to one of our highly-experienced team members

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