What would be a good way to get a frost void under a grade beam?
I'm building a post frame garage using 24"diameter x 36"deep concrete pier footings 8'OC (soil bearing capacity has been checked and pier footings can support 16,956 PSF vs. the load of 12,160 PSF) and Perma-Column's Sturdi-Wall...
What would be a good way to get a frost void under a grade beam?
I'm building a post frame garage using 24"diameter x 36"deep concrete pier footings 8'OC (soil bearing capacity has been checked and pier footings can support 16,956 PSF vs. the load of 12,160 PSF) and Perma-Column's Sturdi-Wall...