building pole barns in the sky

I poured slab and put 25 anchor bolts around the perimeter and had blocks laid 3 blocks high. I put couplings on the anchor bolts and then all thread up above the blocks. We poured blocks solid with concrete then bolted treated wood plate on top of that. I used 8 ft studs and trusses were built with center 2' higher like a tray ceiling. That gave me over 12' clearance for lift. I have 2" of fall from back to front. I can wash it out and not get wood wet since I have the 3 blocks around it. Joe