Mainline Surveys

Utility Mapping Survey

Comprehensive mapping of underground utilities and drainage infrastructure.

Overview

Utility mapping surveys provide a coordinated plan of underground services across a site, including power, telecoms, water, gas and drainage. They are essential for major developments, highway schemes and projects involving significant excavation.

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Our Process

  1. 1Gather and review existing utility records and as-built drawings
  2. 2On-site detection using EML, GPR and visual inspection of chambers
  3. 3Level and position utilities relative to a coordinated survey grid
  4. 4Attribute each service with type, ownership and confidence level
  5. 5Compile coordinated CAD drawings and GIS outputs
  6. 6Provide a technical report explaining methodology and limitations

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Benefits

  • Gives a clear picture of subsurface constraints
  • Supports drainage and highways design
  • Helps plan safe excavation and temporary works
  • Reduces unexpected clashes during construction
  • Provides a valuable record for future asset management

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Utility Mapping Survey FAQ

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