Upload the drawing set as PDFs, and Groundbook cross-checks the sheets, schedules, specifications, and reference documents that have to agree, then lists each place they do not, with both sources shown side by side. A person on your team verifies every finding before it becomes a change; the tool surfaces the disagreement, it does not decide which document is right.
What counts as a drawing discrepancy
“Discrepancy” covers several different problems, and the fix depends on which one it is. The table below groups the kinds a document review actually finds, drawn from published Groundbook reviews.
| Type | What it looks like | Published example |
|---|---|---|
| Cross-discipline disagreement | Two disciplines describe the same element differently: different floor elevations, different equipment data, or a support one side assumes and the other does not show. | A hotel review found structural and mechanical floor elevations that did not match. |
| Schedule vs. plan | A tag on the plan does not resolve to the same information in its schedule: a rating, size, or count disagrees. | A door schedule and a life-safety separation requirement disagreed on a rating. |
| Missing or unresolved reference | A callout, detail, or opening appears on one document and not the one it depends on. | A required opening for one trade appeared in only one discipline’s drawings. |
| Superseded revision | A sheet or note is based on an earlier issue than the rest of the set. | A structural revision was unclear about which issue actually governed. |
| Specification vs. drawing | The written specification states a product, performance value, or requirement the drawings do not show or contradict. | See the <a href="/construction-document-review/">construction document review</a> scope for how drawings and specifications are checked together. |
A discrepancy is a question, not a verdict. Confirm the measurement basis, the governing issue, and any exception before treating two different-looking statements as an error. For the superseded-revision type specifically, a native compare or overlay tool in Bluebeam, Procore, AutoCAD, or another drawing platform can show what changed on a sheet; see what seven of those tools' own documentation says they do and do not check before treating a clean overlay as proof the rest of the set agrees.
How the check actually works
Upload the current drawing set together with the documents it has to agree with: specifications, schedules, reports, and your own checklist. Groundbook reads the building codes and amendments that governments publish online, and uses licensed model codes, such as the I-Codes, only where a license allows it; you can upload a copy you’re licensed to use. Mark which files are being checked and which are references, and say which issue governs if more than one revision is in play.
Groundbook reads every sheet as a page, connects tags to their schedule rows and details, and compares the parts that are supposed to say the same thing: dimensions, equipment data, ratings, and cross-references. Sets with no usable text layer, including scans and hand-drawn sheets, are read the same way, as images.
What comes back, and what to do with it
Each finding names the disagreement and shows the sheets or sections it is based on, highlighted, so your team can check the transcription against the original before acting. See a sample report from a real review to see the format before you upload anything.
The review organizes potential issues and links them to their evidence. It does not certify a design, approve a submittal, or replace the responsible architect, engineer, or authority having jurisdiction; your team decides which findings are real and what the correction should be.
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