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Talk to the Set Designer and make yourself a google sheet of set pieces. Label them as you go – TO BE BUILT IN A BUILD (smaller setpiecesset pieces), TO BE ACQUIRED (chairs and platforms, see below), ALREADY BUILT (yay!), TO BE BUILT AT PUT IN (larger setpieces set pieces that can't fit through doors if you build them in the set shop).
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Look down at your list of set pieces and draw out designs of how you want to build them. Make a big list of wood, luonluan, plywood, and the like that you'll need. Chat with your Master Carpenter to make sure you're on the same page. The TD is responsible for procuring all the raw material for sets. Things like luon luan are best to be scavenged from the set shop and the office, but a trip to Home Depot and Backstage Hardware usually takes care of the rest of your needs (office wood is mostly useful for panic "oh shit we need x" during builds or put-in). General set shop rules is you should be leaving as much material as you're using.
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