I have an old 2 1/2 story four-square with a full basement. A previous owner thought it was a good idea to remove the beam across the basement to centrally locate the furnace. In addition to a lot of other bad remodeling decisions, we are trying to correct this one. I can't find any span tables online for wooden girders on a two story house. We have built a five ply 2x10 #2 southern pine beam, but are unsure how many support posts we need. I would like to keep the basement as open as possible. Also, we have to jackhammer out the old concrete where the chimney used to be in the middle and would like to know where the posts will go before we get started. Thanks for any assitance you can provide. Oh-we tried to consult an engineer but can't get anyone to come to our rural location to check it out.