there are three different way for garage foundation 4 B c; K% p/ S7 `2FT grade beam + piles $ F: C& \$ m1 a Q+ L- X( e, K5FT foundation wall & e% a& A+ U: A, B! B# `# x' }8FT foundation (similar to house foundation). * }" x$ ]+ e8 Y$ b; u' H) m2 b0 ]* O# y
all three works. and they all have pros and cons for each though