How it works
Upload, review, deliver.
birzone reads the drawing, clusters the symbols and counts them. You approve the borderline instances; the schedule and cost estimate are ready.
Upload
Drag in your DWG, DXF or vector PDF file; up to 1 GB.
birzone parses and clusters
Sheets, layers and legend are read; similar symbols are clustered.
Review and approve
Check the auto, review and rejected bands.
Download the Excel
A priced quantity schedule and approximate cost in one file.
Every stage, up close.
Your file is processed stage by stage
Validation, upload, parsing, clustering and legend reading are tracked separately. The first sheet's preview appears before analysis finishes.
Get to know the workspace.
Manual takeoff vs. birzone
| Topic | Manual takeoff | birzone |
|---|---|---|
| Time | Days across the sheets | Minutes plus review time |
| Traceability | Unclear where a number came from | Every number links to a symbol in the drawing |
| Revisions | Count from scratch | Upload the new version and see the differences |
| Unit-price matching | Manual lookup | Suggested item, with your approval |
| Excel | Filled in by hand | Ready in the Ministry format |
Frequently asked questions
AutoCAD 2000 and later DWG, all DXF versions and vector PDF files are supported.
If a legend table is found on the sheet, symbols and descriptions are matched and suggested as the cluster name.
Yes. You set the auto and review thresholds in office settings; they preview live in the viewer.