building with fame-wall structure at bottom floors
three floors of tarred felt and four floors of tar
thermal insulation in ground floors
the great area crack of building floors
shearwall structure with staqqered floors
ribbed slab floors with shallow beams
reconstruction of adding floors
Prestressed Concrete Floors
pipelines through walls and floors
multi-story masonry building with frame-shear walls on first or first and second floors
floors overhanging longer than the floor below
floors first and walls after