Once you've seen a plan set a thousand times, it's hard to catch the small mistakes that result in jurisdiction comments — a missing stamp on one page, a title block that didn't get updated, a detail reference that points nowhere.
QA/QC pass
Ingest drawing set
Validate sheet index and cross-references
Check stamps, signatures, title blocks
Check coordination between disciplines
Screen against the jurisdiction's common comments
Produce QA report by sheet