During our site visit to bao today, we measured the following heights:
ground-to-middle-of-EC150-paths: 79+415+8 = 502cm (pretty darn close to Julie's request of 5m!)
ground-to-middle-of-2D-sonic-paths: 79+667+281 = 1027cm (close to 10m)
We have every reason to believe that ehs is similar.