What Are Redline Markups and Why Do They Matter in Construction?
Walk onto any active construction site, and you’ll find field engineers clutching marked-up blueprints covered in red pen annotations, circles, and handwritten notes. These aren’t random scribbles—they’re redline markups, the critical communication bridge between design intent and built reality. What Exactly Are Redline Markups? Redline markups are handwritten or annotated modifications made directly on construction […]
