We've pointed to Green Bean before -- the blog run by Erik Olsen, the Green Projects Administrator for the City of Chicago. Today he writes of a remarkable DIY green building project run by two brothers in the South Chicago neighborhood. Their use of reclaimed old growth forest wood framing, hardwood flooring, sub-flooring and joists to make cabinets, patch floors, and frame out new triple-glazed windows is a welcome change from the bulldoze-and-build crowd.