COST-EFFECTIVE SITE
INVESTIGATION

A professional and independent site investigation, tailored to your specific requirements

Why choose GA Site Investigation?

Phase 1
Desk Studies

Phase 2
Intrusive site Investigation

Phase 3
Laboratory analysis and reporting

WHO ARE GA SITE INVESTIGATION?

Formed in August 2009, and with over 40 years’ direct experience in the site and ground investigation industry, GA Site Investigation Limited is an independent site and ground investigation company providing professional, cost effective investigations. We tailor the invesigations around clients’ and statutory authority requirements, for the safe and effective investigation and development of Greenfield and Brownfield sites. Having developed our skills from working with numerous consultants, designers, engineers, architects, builders and expert witnesses to provide detailed site specific geotechnical data for their required use, including subsidence and heave litigation cases, we utilise these skills to ensure all our clients receive the same high quality service. From existing property extensions through to new build housing, commercial or industrial developments our team is dedicated to providing all our clients with the same high level of service, no matter the size of the contract. We are CHAS Accredited. For boreholes and ground investigation for any type and size of development, we can offer advice and free no obligation quotations.

SITE CREWS HOLD:

  • NVQ2 Lead Driller Certification
  • New Roads and Street Works Act (NRSWA) Operative and Supervisor qualifications
  • CSCS Cards

All drilling crews hold NVQ Level II Lead Driller qualifications, along with CSCS, Site Passport and other relevant qualifications, including NRSWA Operative and Supervisors Cards.

All drilling crews are trained to carry out utility plan reviews prior to undertaking CAT scanning of all test locations to check for buried services before breaking ground.

Utility STAT packs can be provided where required.

AREAS OF WORK INCLUDE:

  • General site investigations for domestic, commercial and industrial ‘new build’ on greenfield sites
  • Investigation of brownfield sites for residential, commercial or industrial end user development
  • Specialist investigation into the cause and remediation options for structural subsidence/heave, floor or ground movement
  • Investigation of groundwater, ground gas, landslip, land subsidence and heave.
  • Geotechnical and contamination analysis
  • Shallow mine working investigation
  • Installation of monitoring points
  • Utility route investigation along carriageway and open land
  • Investigation of areas of special engineering difficulties (SEDs) where horizontal directional drilling is required, e.g. river and rail crossings, etc.
    In-situ soil testing

GEOTECHNICAL SOIL ANALYSIS

A full range of in-house and sub-contract geotechnical soil analysis including:
  • Moisture content
  • Casagrande classification
  • Particle size distribution
  • One-dimension oedometer consolidation
  • Undrained unconsolidated triaxial and drained
  • Consolidated triaxial analysis
  • Sulphate and pH determination
  • IN-SITU TESTING AND SAMPLING

  • Standard and cone penetration tests SPT/CPT
  • Undisturbed UT100 or Shelby sampling
  • Hand shear vane
  • Super heavy and heavy dynamic probing
  • TRRL dynamic cone penetrometer
  • California bearing ratio (CBR)
  • Permeability – surface water and septic water
  • Relative compaction/density determination
  • Groundwater monitoring
  • Ground gas monitoring
  • Disturbed and bulk disturbed sampling
  • Contamination sampling of soil and water
  • CONTAMINATION ANALYSIS

    A full range of contamination analysis is undertaken using approved sub-contract UKAS accredited test laboratories with analysis including:
  • Sulphates
  • Metals
  • Hydrocarbons
  • Asbestos
  • General and comprehensive suites tailored to client specifications.

    CONTACT THE TEAM TODAY!

    For professional site investigation anywhere in the UK, you can rely on Guisborough-based GA Site Investigation Ltd. You’re in safe hands. 07875 761729