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Case study · Drawing to CAD conversion

School campus records: paper archives to layered CAD

Decades of scanned paper drawings redrawn as clean, layered and dimensioned CAD files for a school campus estates team.

  • Client: campus estates team
  • Sector: education
  • Delivered: 320 converted sheets
  • Duration: 6 weeks
Student union hostel captured for Scan to BIM
320 sheetsConverted and checked
CAD · sheetsLayered to the estate’s standard
About the project

Drawings nobody could edit

An estates team managed a campus of buildings from several decades, recorded only as scanned paper drawings of varying quality.

They needed editable CAD files to plan maintenance, space changes and future projects without redrawing every time.

What we delivered

  • Redrawn floor plans
  • Sections and elevations
  • Room numbering and areas
  • Layered CAD files
  • Printed sheet sets
  • Query log for unreadable areas
  • Poor source quality

    Faded prints, stains and missing scales.

  • Mixed standards

    Each building had been drawn a different way.

  • Large volume

    Hundreds of sheets on a fixed budget.

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Our process

From source files to drawing set in six steps

How the drawings were produced, checked and issued.

  1. 01

    Source review

    Design drawings, PDFs and markups checked for gaps.

  2. 02

    Standards set-up

    Client template, layers and title blocks loaded.

  3. 03

    Drafting

    Plans, sections, elevations and details drawn to scale.

  4. 04

    Coordination

    Consultant information cross-checked on every sheet.

  5. 05

    QA check

    Independent review of dimensions, notes and references.

  6. 06

    Issue

    Drawing sets issued with a drawing register.

Our solution

Redrawn, not traced

Every sheet was redrawn to written dimensions on one consistent layer standard, with anything unreadable logged instead of guessed.

  • 0Sheets converted
  • 0Buildings
  • 0 wksStart to finish
  • Dimensions first

    Written dimensions always took priority over measured lines.

  • One layer standard

    Every building delivered on the same convention.

  • Query log

    Unclear areas listed for checking on site.

  • Batch delivery

    Buildings issued in batches so the team could start using them.