I have a few questions for a Steel frame canopy which is over equipment, etc. It is less than 35 feet high (14' high). I can use braced frames on the side and back but I need it open on the front. Therefore, I was going to use a OMF with pinned bases along the open side. It will be attached to an existing concrete wall at the base so I want the loads light for the foundation. First, am I reading this correctly and this is allowed in seismic category D. I would use an R=3.25 (braced frame controls) And if it is allowed, can I consider a w beam with a cap plate over a HSS connection as a OMF connection allowed in this situation? It also has high a wind load and a high snow load and it about 10' by 71'. I don't want to use cantilever columns because of attaching to the existing concrete.
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