Great Question here and the answer is one of how the "chef" of the home cooks and always check the code and manufactures specs on clearances and proper guides for install. Not knowing the model in th ... read more
Mark, the answer depends on the topo ie the slope and terrain. Consult a local structual engineer..
proper drainage away, footers, rock, filter cloth, french drainect ect ( water is a hydrolic tool)
T ... read more