CAD – BIM – VR
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How to Write a 3D Laser Scanning Scope or RFP
What to include in a 3D laser scanning scope or RFP — deliverables, accuracy, LOD, format, and coverage — for accurate bids.
Reading Blueprints vs. 3D Models & BIM: What’s the Difference?
For more than a century, construction ran on blueprints: flat, two-dimensional drawings that translate a building into lines, symbols, and dimensions on paper. Today those same projects are increasingly documented as 3D models and BIM — rich digital…
How to Read a Reflected Ceiling Plan (RCP)
A reflected ceiling plan, almost always shortened to RCP, is one of the more confusing drawings for newcomers because it shows the ceiling — but drawn as if you were looking down at it, not up. Understanding that single idea is the key to reading it correctly,…
Understanding the Title Block on Construction Drawings
Every sheet in a set of construction drawings shares one thing in common: a title block. It is the framed strip of information — usually running down the right edge or across the bottom of the sheet — that tells you what you are looking at, who produced…
How to Read Structural Drawings (Foundation & Framing)
Structural drawings show the bones of a building — the foundations, framing, beams, columns, and connections that hold everything up. While architectural drawings define the spaces and appearance, structural drawings define the strength, and reading them reveals how a…
How to Read HVAC & Mechanical Drawings
Mechanical drawings — most often called HVAC drawings, for heating, ventilation, and air conditioning — show how a building is heated, cooled, and ventilated. They map the equipment, ductwork, piping, and controls that keep a building comfortable, and they use their…