Thank you everyone that so far has taken the time to respond. Here was the problem. We use Trimble GPS (same stuff as the surveyors)to program our machines (excavators, dozers etc.). We take civil drawings and overlay the structural over the top. Never really had a problem until now but we have...
I'm in excavation. I use CADs to program our machines via GPS. Most of the time getting cads with/without a release is not a problem. However on one job we are running into a structural engineer and architect who are claiming structural cads can't be relied upon for measurement for dimensions...