Thanks for the reply. I found a 2004 revised update on building with frost protected shallow foundations. It is quite helpful. Now I just have to check on the local building code. Several sites reference the ASCE 32-01. I beleive obtaining a copy of that (does anyone have access to that...
Ok, here are the facts:
1) location - Bettendorf, IA
2) structure - 4 car garage composed of 2-30' sections at 45 degrees from eachother.
3) foundation - 4 feet
4) footing - trench footing 16" wide by 6" deep
5) the problem - The homeowner would like to construct a tiered patio along the...
