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Line and Level Correlation Survey

We are an approved supplier of line and level mapping to Thames Water.

Methods available include:

Entry sewer:

  • 3d laser scanning
  • Total station mapping

Non entry sewer:

  • Radio sonde
  • Gyroscopic mapping – Reduct
  • Drone
  • Sahara survey

Deliverables include:

  • 2D and 3D Line and level mapping in CAD to Thames Water standards
  • Point cloud / 3D models
  • OS19/21 sewer condition survey
  • Photographic survey

Confined Space Working

When it comes to working in confined spaces, our highly skilled team have all the necessary experience, qualifications and equipment to carry out surveys safely and effectively.

All confined space works are carried out in accordance with confined space regulation using industry-leading safety and rescue equipment.

We’re able to supply clients with tailored, Thames Water compliant risk assessments and method statements. Our surveyors hold City & Guilds (6150-03) Working in High Risk Confined Spaces: Water qualifications and are trained to Thames Water Competent Person Level 2 (CP2) standard. They have extensive experience in large- and small-scale projects including line and level surveys direct for Thames Water and for developers, companies and individuals involved in ‘build near’ or ‘build over’ projects.