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Norwich, UK · Highways and earthworks

A47 – Thickthorn Junction Improvement

Skanska / National Highways

Our director’s role: Senior Engineering Surveyor

Earthworks operations on the A47 project
Earthworks on the A47 project.

Scope of work

Surveying, modelling and quantity tracking during construction, supporting excavation, valuation and the recording of completed works.

Developed a zoning model that links bill-of-quantities items to their intended work areas, making quantities and progress easier to track.

Pre-construction support included investigating supplied borehole logs and creating 3D surfaces from proposed material depths, using volumetrics to support estimating and site evaluation.

Work delivered

  • 3D machine-control models for excavation and valuation.
  • Material-depth surfaces and volume calculations supporting pre-construction assessment.
  • A zoning model for tracking work against the bill of quantities.
  • Identification and resolution of issues before they developed into wider construction problems.
  • Site surveys and as-built records as construction progressed.
  • Excel trackers recording material quantities and movements across the project.
  • Stockpile quantity assessments.
  • Use of drone-survey data for ongoing quantity assessment and site evaluation.

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