TABLE OF CONTENTS xi 



Carey's Roofing 259 



Granite Roofing 259 



Ruberoid Roofing 259 



Ferroinclave 260 



Examples of Roofs 261 



Roof Coverings for Railway Buildings 261 



CHAPTER XX. SIDE WALLS AND MASONRY WALLS. 



Side Walls - 263 



Corrugated Steel 263 



Expanded Metal and Plaster 263 



Concrete Slabs 266 



Masonry Walls . . . . ; 267 



Concrete Buildings , 268 



CHAPTER XXI. FOUNDATIONS. 



Bearing Power of Soils 272 



Bearing Power of Piles 273 



Pressure of Wall on Foundation 275 



Pressure of Pier on Foundation 277 



Design of Footings 278 



Pressure of Column on Masonry . 278 



Allowable Pressures 279 



CHAPTER XXII. FLOORS. 



Ground Floors Types of Floors 281 



Cement Floors 282 



Tar Concrete Floors : 284 



Brick Floors 284 



Wooden Floors 285 



Examples of Floors 288 



Floors above Ground 290 



Timber Floors 290 



Brick Arch 290 



Corrugated Iron Arch 291 



Expanded Metal ; 292 



