Mainline Surveys

Utility Survey

Detection and mapping of underground services before excavation.

Overview

Utility surveys locate and map buried services such as electric, gas, water, telecoms and drainage. They reduce the risk of service strikes, programme delays and unplanned costs during groundworks and infrastructure projects.

Related guides

Our Process

  1. 1Review of existing records and project information
  2. 2On-site survey using electromagnetic (EML) and GPR techniques
  3. 3Mark-up of detected services on the ground where required
  4. 4Correlation of survey results with statutory records
  5. 5Production of utility drawings with quality level classifications
  6. 6Issue of a utility survey report summarising findings and limitations

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Benefits

  • Improves safety by reducing service strike risk
  • Informs design of foundations, drainage and utilities
  • Supports CDM and safe system of work documentation
  • Helps coordinate new service routes with existing assets
  • Reduces delays and variations during construction

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Utility Survey FAQ

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