Amelio and Alejandro worked for three days and basically completed our walkway from our house to the guest house. I think it looks great and is very strong. We'll have to figure out how we're going to treat the handrails, but for now, they're great. I also have to build a gate at our end to keep Bailey from wandering over, down the stairs and off into the bush. We're extremely pleased with the idea of purlins so we don't have to have support posts underneath. The revised span turned out to be 17' and the purlins are steel, 2 1/2" by 8". I think this will look a lot better painted, but that decision will come later.