I don't know if I could put a size on it but that sounds 'spatially large' to me! I presume you are using a local CS with something like 0,0 at the lower left (or similar) of the site. Perhaps you could define the appropriate state plane GCS for your…

At this time the translation/scale/roatation parameters are not available for edit in the interface. We have filed a TR for this. However if your project is not spatially large you could get good results by implementing a local CS by using…