Quick answer

A drawing register tracks drawings and their revisions. A document register covers the wider controlled information set, which may include drawings, specifications, calculations, reports, schedules, manuals and certificates. A separate drawing register is useful when drawings have distinct issue, revision or site-distribution controls; otherwise drawings can be a filtered part of the master document register.

Every drawing is a document, but not every document is a drawing. That simple distinction explains most of the difference between the two registers.

What belongs in a drawing register?

A drawing register normally records drawing number, title, discipline, sheet or series, current revision, purpose of issue, issue date and the organisation responsible for the drawing. Site-facing registers may also record who received each revision and whether superseded hard copies were withdrawn.

What belongs in a document register?

A broader document register may include specifications, design calculations, reports, procedures, method statements, schedules, data sheets, manuals, certificates and correspondence records as well as drawings. It usually needs a document-type field so those populations can be filtered without being split into unrelated spreadsheets.

FeatureDrawing registerDocument register
CoverageDrawings and sometimes modelsAll defined controlled document types
Key detailSheet, revision and issue statusType, owner, workflow and status
Site useOften central to current-for-construction controlSupports the wider project record
RelationshipMay feed the MDRMay serve as the master index

When a separate drawing register helps

Separation should not create two competing sources of truth. Define which register owns the current revision and how changes flow into the master record.

Avoid the duplicate-register trap

Problems appear when engineering maintains one drawing list, document control maintains another and the contractor keeps a third. Each may be internally tidy while disagreeing about the current revision.

Choose one authoritative source for document identity and current status. Create filtered views for different teams rather than uncontrolled copies wherever possible. If separate registers are required, reconcile their shared fields on a defined schedule.

Check the register against the files

A correct register does not prove that the issue folder contains every listed drawing. Before pricing, construction or handover, compare the selected register rows with the actual package. Investigate missing PDFs, duplicate document numbers, old revisions and files that are not listed.

Keep the conclusion narrowFinding a filename proves that a matching file exists in the scanned location. It does not prove that its title block, technical content or approval status is correct.

When Deliverable Preflight helps

Export either register to CSV or XLSX and compare it with the assembled folder. Exact Filename mode suits packages with controlled complete filenames. Document Number in Filename mode helps when drawing filenames contain extra descriptive text.

One final comparison before issue

Deliverable Preflight reports missing, unexpected and ambiguous files without renaming or moving the source package.

View Deliverable Preflight in Microsoft Store →

Related guides

Continue with controlling superseded drawings or review filename and document-number matching.

Further reading

Questions people ask

What is the main difference between a drawing register and a document register?

A drawing register is limited to drawings, while a document register can cover the full controlled document population, including drawings, specifications, reports and certificates.

Can drawings stay in the master document register?

Yes. Many projects keep drawings in the MDR and create a filtered drawing view rather than maintaining a separate source of truth.

Who should own the current drawing revision?

The project procedure should name one authoritative system or role. Separate uncontrolled spreadsheets should not compete over the current revision.