TABLE OF CONTENTS xiii 



CHAPTER XXVI. SHOP DRAWINGS AND RULES. 



Shop Drawings 326 



Erection Plan 327 



Choice of Sections 328 



CHAPTER XXVII. PAINTS AND PAINTING. 



Corrosion of Steel . 330 



Paint 330 



Oil Paint 330 



Linseed Oil 331 



Lead 332 



Zinc 333 



Iron Oxide 333 



Carbon 333 



Mixing the Paint 334 



Proportions 334 



Covering Capacity . 334 



Applying the Paint 335 



Cleaning the Surface 336 



Cost of Paint 336 



Cost of Painting 337 



Priming Coat . 337 



Finishing Coat 338 



Asphalt Paint 339 



Coal-Tar Paint 339 



Cement and Cement Paint 339 



Portland Cement Paint 340 



References on Paint and Painting 340 



CHAPTER XXVIII. ESTIMATE OF WEIGHT AND COST 



Estimate of Weight 341 



Estimate of Cost 349 



Cost of Material , 35 



Cost of Mill Details 350 



Shop Cost 353 



Cost of Drafting 354 



Actual Shop Costs 355 



Cost of Erection 355 



Cost of Miscellaneous Material 355 



