In the past, existing building renovations were executed by using existing drawings and field verification to document design. These designs could only be as accurate as the corresponding as-built drawings, and required a decent amount of time in the field, verifying the conditions. But today, 3D scans have changed the way renovation projects can be approached, designed, phased and budgeted. These scans have proven to be most beneficial in mechanical spaces of mission-critical facilities — healthcare facilities, for example.
