CAD Conversion Services in UAE: A Complete Guide

CAD conversion is the process of taking a non-CAD source — a paper drawing, a scanned PDF, a raster image, or a point cloud — and producing an accurate, editable drawing in AutoCAD DWG or another CAD format. In the UAE's fast-moving construction sector, large volumes of older buildings and infrastructure have only paper or low-quality scanned documentation. Converting these to CAD is the first step in any renovation, extension, fit-out, or authority submission project.

Common Source Types for CAD Conversion

Paper Drawings

Original construction drawings — often stored in blueprint or ammonia print format in older buildings — are physically measured or scanned and then digitised into CAD. Accuracy depends on the condition of the paper, the scale of the original drawing, and whether physical measurements are taken on-site to verify dimensions.

Scanned PDF Drawings

Scanned PDFs are raster images — pixels rather than vector geometry — and cannot simply be opened in AutoCAD as editable lines. CAD conversion from scanned PDFs involves either manual redrawing by a CAD technician tracing the raster image, or semi-automated raster-to-vector conversion using software such as AutoCAD Raster Design. Manual redrawing is slower but produces cleaner, more accurate results, especially for complex drawings.

Point Cloud to CAD

A point cloud from a laser scanner or drone survey is a three-dimensional dataset that requires interpretation and extraction to produce 2D CAD drawings. The CAD technician works within the point cloud — displayed as a section or slice at the relevant height — and traces walls, columns, openings, and features to produce plans, sections, and elevations. This is the most accurate form of as-built CAD conversion, with the survey data providing a measurable reference throughout.

BIM to CAD (IFC/RVT to DWG)

BIM models in Revit or IFC format can be exported to DWG for use in 2D CAD workflows. This requires careful export settings to control layer structure, line types, and view extents. 2D drawings exported from BIM models may require cleanup to remove BIM-specific elements that do not translate meaningfully to a flat 2D drawing.

CAD Output Formats

• DWG — AutoCAD's native format; the standard for UAE authority submissions and design team exchange
• DXF — Drawing Exchange Format; cross-platform and readable by nearly all CAD applications
• DGN — MicroStation format; used by some infrastructure and highway authorities in the UAE
• PDF — non-editable plot; used for submission sets and client review where CAD is not required
• RVT — Revit format; if the deliverable is a BIM model rather than 2D CAD
• SHP — Shapefile; for GIS-compatible geometry where CAD data needs to feed a GIS system

Accuracy Tiers in CAD Conversion

Not all CAD conversion is equal in accuracy, and the required accuracy should match the intended use:

• Indicative / schematic (±100–300 mm): suitable for planning-stage feasibility studies, approximate area calculations, and client presentations. Derived from paper or PDF without field verification.
• Design accuracy (±20–50 mm): suitable for renovation design and authority submissions where the drawing will be used for design but not for setting out. Typically requires field verification of key dimensions.
• Survey accuracy (±5–10 mm): required for as-built submissions, quantity surveying, and setting-out reference. Achieved only when the source data is a laser scan or GPS survey, not a paper drawing.

UAE-Specific Authority Requirements

CAD drawings submitted to UAE authorities must meet specific requirements that vary by authority:

• Dubai Municipality: DWG format, Dubai Local Coordinate System (DLCS), specific layer naming conventions, and licensed surveyor stamp for survey drawings
• Abu Dhabi Municipality: DWG format, Abu Dhabi Coordinate System (ADCS), DMT BIM requirements for larger projects
• TRAKHEES (Dubai): Drawings must comply with TRAKHEES submission guidelines and often require approval from a TRAKHEES-registered consultant
• RTA (Roads & Transport Authority): Infrastructure and road drawings follow RTA drafting standards with specific layer and title block requirements

A CAD conversion company that is familiar with these authority-specific requirements will produce drawings that pass submission without revision. A general drafting company unfamiliar with UAE authorities may produce technically accurate CAD that is still rejected due to non-compliant formatting.

How to Prepare for a CAD Conversion Project

• Gather all available source material — original drawings, as-built mark-ups, authority submissions, previous CAD files
• Identify the authority to which the converted CAD will be submitted — this determines coordinate system, layer requirements, and stamp requirements
• Define the accuracy tier required — indicative from PDF, or survey-accurate from laser scan
• Confirm the deliverable format and layer naming convention required by your design team
• If accuracy is critical, plan for a laser scan or field survey to be conducted alongside the CAD conversion