get yourself 6 sonic tubes. About 18 bucks each, and 36 bags of concrete ready mix. Plot out your square for the shed and split the longitudinals so there is three tubes equal each side. Post hole digger is quickest way to bury tubes.. Each 9 inch tube by 48 inches will hold 6 bags of sacrete, ready crete whatever brand in down that way... You're below frost line and some serious anchors too. |