Terracotta Panel Installation Step 1: Surveying and Setting Out 1.Recheck the civil engineering’s hand-over datum line; 2.Check the indoor elevation of each construction layer, move the indoor elevation line to the outer wall’s working surface, and do deviation measurement of the building outline dimension, to determine the standard line for the drying hanging terracotta panels; 3.Taking the standard line as the benchmark, put the frame lines on the wall according…