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Case study · Measured building survey
Heritage hotel refurbishment: measured drawings of a listed building
Plans, sections and elevations of a listed hotel drawn from laser scans, capturing uneven walls, ornate facades and decades of alterations.
- Client: measured building surveyor
- Sector: hotels · heritage
- Delivered: 1:50 measured drawings
- Duration: 5 weeks
1:50 drawingsPlans, sections, elevations
CAD · sheetsOn the surveyor’s title block
About the project
Character that has to be recorded
A surveying practice had scanned a listed hotel ahead of a major refurbishment. The conservation officer required accurate measured drawings before any design work could be approved.
Walls were out of plumb, floors stepped between wings and the street facade carried detailed stonework.
What we delivered
- Floor plans for every level
- Building sections
- Street and courtyard elevations
- Facade detail drawings
- Roof plan
- Survey notes
Uneven construction
Few walls were straight, square or plumb.
Ornate facades
Cornices and window surrounds needed careful tracing.
Conservation review
Drawings had to satisfy the conservation officer.
Have a building to capture? Send your point cloud and scope. We reply with an approach and quote within one working day.
Our process
From point cloud to deliverables in six steps
How the programme ran, from receiving the scan to issuing the final files.
- 01
Scan check
Registration, coverage and file formats checked on receipt.
- 02
Scope & set-up
LOD, levels, grids and tolerance agreed; client template loaded.
- 03
Modeling & drafting
Elements drawn floor by floor against the point cloud.
- 04
Weekly review
Finished areas shared with the client for comment.
- 05
QA & deviation check
Independent review against the point cloud before issue.
- 06
Handover
Files issued in the client’s formats with a short assumptions note.
Our solution
Accuracy and character
A tolerance was agreed at the start; inside it walls were drawn straight, outside it they followed the scan, with every deviation noted.
- 0Drawings issued
- 0 wksScan to issue
- ± 0 mmDrawing tolerance
Agreed tolerance
Clear rules for when to straighten and when to follow the scan.
Traced ornament
Mouldings and stonework profiles taken from the point cloud.
Surveyor’s standards
Layers, line weights and title blocks to the practice’s template.
Notes for conservation
Alterations and assumptions recorded on the drawings.
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