I am curious about the zone map developed by LBL that is used for calculating Building Tightness Limits (BTL) The map is ubiquitous, but pretty crude. It certainly doesn't correspond to avg wind…Continue
"Here's how I use SketchUp. I typically do some pencil sketching first, then lay out a floor plan and perhaps a critical section or two in ACAD. I then transition to SketchUp Pro where I import the floor plans. I build the 3d model off the plan,…"
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