BUILDING AND REPAIRING RAILWAYS. SUPPLEMENT TO THE SCIENCE OF RAILWAYS BY MARSHALL M. KIRKMAN. - TABLE OF CONTENTS. CHAPTER I. Railway evolution. The development of the rA 19 railway illustrated, 21 CHAPTER II. The reconnoissance the first step in railway construction, 47 CHAPTER III. The preliminary survey the second step in railway construction, 68 CHAPTER IV. The location the third step in railway con- struction, 83 CHAPTER V. Construction, 90 CHAPTER VI. Standards of construction and material, . . 147 CHAPTER VII. Constructing track, 297 CHAPTER VIII. Maintenance of way, CHAPTER IX. Wrecks, 441 CHAPTER X. Maintenance of bridges and buildings, . . .455 CHAPTER XI. Construction and maintenance accounts, . 477 CHAPTER XII. Maintenance and operation. What cost is dependent upon, 480 CHAPTER XIII. Maintenance. Fixed . operating expenses, 610 CHAPTERXIV. Maintenance. Cost of operating affected by facilities, CHAPTERXV. Maintenance. Things that enter into the 524 maintenance of a railroad 580 OH 323 APPENDIXES. B. 1 Relation the various items of track labor bear to each other. . . ..-. . - . . . . 559 2 Relation that various items of track expenses bear to total track expenses. - . . . .. . . 559 C. 1 Relation various classes of maintenance bear to total cost of maintenance ...... . . 560 2 Relation of the cost of maintaining the property of a road to all other operating expenses . . 560 D. Percentage of the total cost of operating due to maintenance of organization and the prevention of the destruction of the property from natural causes . . 561 of railroads that are or have been in use in different countries . . ... . . . 562 E. Gauges F. Quantity of material required to lay one mile of rail- road track on the basis named . . .. , 563 G. Table showing increase in weight of locomotives from 1880 to 1900 . .. 564 H. Detailed rules governing the location of railways. . . 565 . Detailed rules governing surveys and construction of railways and lists of supplies required in the field . . 583 J. Detailed rules governing construction of track of rail- waysand various illustrations of rail sections, specifications and tables, giving details in regard to materialused in construction . . . . . . . 597 K. Table setting forth modern authorities on the location, construction, track and maintenance of railways . . 629 L. Bridges and buildings Rules, tables and data . . 644 LIST OF ILLUSTRATIONS. no. PAOE. A Jessops Cast Iron Fish Bellied Rail 24 B The First Rail Chair, A. D. 1797 24 C LeCanns Tram Rail, A. D. 1801 25 Wyatts Hexagonal Rail, A. D. 1802 25 Tram Rail, A. D. 1803 25 Carlisles Wrought Rolled Iron Rail, A. D. 1811 25 Losh Stephensons Edge Rail, A. D. 1816 25 D Tram Rail with Stone Supports, upon which Trevithicks firstlocomotive ran 27 E Birkenshaws Wrought Iron Rail, A. D. 1820 28 Hetton Rail, A. D. 1824 28 George Stephensons Fish Belly Rail, A. D. 1829 28 Rail, Designed by Robert L. Stevens, A. D. 1830 28 F StandardTrack, CamdenAmboy R. R., A. D. 1837.. . 30 Track of Camden Amboy R. R., Rails Laid on Piling Through Marshes, A. D. 1837 30 Stevens Rail, A. D. 1841 30 G Stone Stringer and Strap Rail, A. D. 1833 81 Wooden Stringer and Strap Rail, A. D. 1837 31 H Street Railway Construction 32 I English Fish Belly Rail, A. D. 1832 84 Joint Chair and Wedge, A. D. 1833 85 Stone Block Rail and Joint Tongue, A. D. 1831 35 J Stevens Rail, Supported by CastIron Chair, A.D. 1837 36 Ring, Joint and Wedge, West Jersey R. R 36 Wooden Joint Block, A. D. 1860 36 Double Splice Bar, A. D. 1857 37 Erie Rail with Ends Stamped for Adams Cast Iron x Bracket Splice, A...