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Anonymous
en respuesta a: ed57gmc

I apologize for not providing sufficient detail to explain my question.

This would be for an as-built plot plan of a facility. The facility is about 15 acres and has several buildings and structures.

When I take a measurement on the CAD drawing and compare it to the actual physical measurement, I find differences of a few percent to as much as 50%.  The title block indicates that the drawing is to scale.  I've  sent the drawing back to the draftsman for corrections. 

I realize that a 50% variation is unacceptable, but how accurate should we expect measurements on a drawing to be?