I separated the house and the site into different files. Put the house at FF=0.0 Left the site model in its real world location. Referenced the site into the house. Moved the site reference in the house file to the desired location. BOOM, contours read correct. You can interact with the site geometry in the site file using real world coordinates and elevations. You can interact with the house geometry in the house file using elevations relative to FF. Of c
    • Like
    2