I’m building a 384 sq. ft. (16×24 for ease of build) for mixed use. Everything will be setup to be easily moved out the double doors that lead to my trailer parking spot. It’s going to be like a nicely setup storage area for all my tools when I’m not on a project.
I went with a 30” deep 12” round hole (used 100lb bags of concrete) for each footer. It was a two part pour with the footers first and then the piers, which are 8”. There is a piece of rebar embedded in each footer for the 8” pier to hold on to. They stuck real good.
In the wet piers I put chain link fence rail pipe to hollow out the spot for the Simpson adjustable anchors which will hold two 2×12s that span 12’. A total of three 24’ spans and twelve PT 2×12s will be used.
The joists will be 2×6 PT 16” OC.
The floor will be T/G 3/4” plywood.
After researching I found I could get away with no vapor barrier – so I dug up the grass and sprayed it all with killer.
Tomorrow all the materials show up for the floor.
Next up is the framing