Ben was sitting in his chair working out a new floor plan for extending his house out over the foundation of his basement workshop. When he'd built the large room he'd excavated the back yard to extend the building eastward an additional twenty-eight feet. The foundation had been poured and to eliminate the need for support posts he'd welded in ten cross connected I-beams spanning the width of the room like ribs to support the poured concrete ceiling. The building permit office told him he didn't need so many but Ben felt more comfortable with over engineering for maximum strength and durability. Then he'd covered the entire extension with a...