Can someone explain, in a two way beam system per the bldg construction illustrated book page 4.15, how is it that the two layer system provides more space for mechanical services versus attaching beams to the web of the girder? I’m afraid I’m looking at this wrong and I need to understand.
In my mind, attaching the beam to guessers web instead of on top of girded, will facilitate a smaller plenum depth to run MEP services. I took a picture on my phone of the detail, but I don’t know how to paste it through my phone or iPad. I don’t get an option to attach or paste :(
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