 | William B. Sipes - 1875 - 314 pages
...In filling up between the tracks, large stones must be placed in the bottom in order to provide for drainage, but care should be taken to keep the coarse...ballast must be sloped off evenly to the sub-grade. The road -crossing planks must be securely spiked ; the planking should be three-quarters of an inch... | |
 | William B. Sipes - 1875 - 316 pages
...be attached to every switch-head. The switch signals must be kept bright and in good order. "Ballast must be broken evenly and not larger than a cube that will pass through a two-and-one-half-inch ring. There must be a uniform depth of at least twelve inches of clean broken... | |
 | William S. Huntington - 1877 - 316 pages
...filling up between the tracks, coarse, large stones must be placed in the bottom in order to provide for drainage, but care should be taken to keep the coarse...ballast must be sloped off evenly to the sub-grade. 1 1 . The road-crossing planks must be securely spiked ; the planking should be three-quarters of an... | |
 | William S. Huntington - 1877 - 322 pages
...between the tracks, coarse, ^ large stones must be placed 0 in the bottom in order to | provide for drainage, but ^ care should be taken to keep £? the...coarse stone away from the ends of the ties. At the --.,., , . I • - 1 . . . ' ' i , -1 < outer ends of the ties the ballast must be sloped off 'evenly... | |
 | William S. Huntington - 1877 - 318 pages
...9. The switch signals must be kept bright and in good order. ROAD-BED AND BALLAST. 10. The ballast must be broken evenly and not larger than a cube that will pass through a two and one-half inch ring. There must be a uniform depth of at least twelve inches of clean broken stone under the ties. The ballast... | |
 | Henry Coathupe Mais - 1884 - 170 pages
...up between the tracks, coarse, " large stones must be placed in the bottom in order to provide for drainage ; but care should be taken to " keep the...not larger than a " cube that will pass through a two-and-one-half-inch ring. " 5. Cross-ties. — The cross-ties must be properly and evenly spaced,... | |
 | William S. Huntington - 1884 - 314 pages
...9. The switch signals must be kept bright and in good order. ROAD-BED AND BA1XAST. 10. The ballast must be broken evenly and not larger than a cube that will pass through a two and one- half inch ring. There must be a uniform depth of at least twelve inches of clean broken stone... | |
 | British Association for the Advancement of Science - 1885 - 1240 pages
...filling up between the tracks, coarse large stones must be placed in the bottom in order to provide for drainage ; but care should be taken to keep the coarse...larger than a cube that will pass through a two and a half inch ring. The Grand Trunk Railway Company of Canada uses gravel for ballast, from pits, taking... | |
 | Johann Georg Heck - 1889 - 580 pages
...sidings. In filling up between the tracks large stones must be placed in the bottom, to provide for drainage; but care should be taken to keep the coarse...stone away from the ends of the ties. At the outer end of the ties the ballast must be sloped off evenly to the sub-grade. The road-crossing planks must... | |
 | Thomas M. Cleemann - 1892 - 244 pages
...filling up between the tracks, coarse, large stones must be placed on the bottom, in order to provide for drainage, but care should be taken to keep the coarse...stone away from the ends of the ties. At the outer end of the ties the ballast must be sloped off evenly to the sub-grade. Ditches. " 12. The cross-section... | |
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... inches of clean broken stone under the ties. The ballast must be filled up evenly between, but not above the top of the ties, and also between the main tracks and sidings, where there are any. In filling up between the tracks, coarse, large stones... 
