As-Built & Verification Surveys
Measured records of completed construction and selected design comparison.
As-built and verification survey services
As-built surveys record the position, level or surface of completed works at the required project stage.
Where verification is required, the measured information can be compared with the current approved design or specified tolerances for the elements included in the survey brief.
Where this service is used
Common applications within construction, earthworks, development and survey workflows.
Roads & external works
Kerbs, channels, road geometry and completed levels.
Earthworks & formation
Prepared surfaces and construction levels before handover or subsequent layers.
Structures & foundations
Selected positions, grids and constructed geometry.
Design comparison
Measured information viewed against approved project geometry.
Typical outputs
Typical project workflow
The exact sequence is adjusted to the project brief, programme and required deliverables.
Define verification scope
Confirm the elements, design revision, tolerances and required record.
Review control
Confirm the coordinate and level framework used for comparison.
Survey completed work
Measure the instructed positions, levels or surfaces.
Process
Prepare the as-built geometry and required comparison.
Check
Review observations, design revision and output consistency.
Issue
Provide CAD, schedules, drawings or comparison records to the agreed format.
As-Built & Verification Surveys FAQ
What can an as-built survey record?
Depending on the brief, an as-built survey can record positions, levels, linework, surfaces, drainage features, roads, structures and other completed construction elements.
Can the as-built be compared with the design?
Yes. Where the current approved design information and required comparison criteria are supplied, measured geometry can be compared with the relevant project data.
Discuss your as-built & verification surveys requirement.
Send the site location, drawings, specification or a short description of the work required.