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additional allow amount angle arrangement ballast base better bolts built called cause cent Class computed consists cost cross-section crossing cubic culvert curve depends designed distance division earth economical elevation engine excavation expense face fastened feet fence foot force four frog gauge give given grade greater ground guard handle head heavy height hold hole inches joint kind laid length less masonry material means method miles necessary obtained opening pass piece piles placed plate possible posts pounds practically prevent PROBLEM proper rail railroad road rock shape shown in Fig shows side signal slope space spike square standard steel stone straight surface switch Table thick ties timber tion track traffic train trestle triangle turnout usually vary vertical walls wide wood yard
Page 274 - B" includes all districts of a railway having a single main track with a traffic that is less than the minimum prescribed for Class "A...
Page 82 - Ingots shall be kept in a vertical position in the pit heating furnaces until ready to be rolled or until the metal in the interior has time to solidify.
Page 86 - Unless otherwise specified, the section of rail shall be the American Standard, recommended by the American Society of Civil Engineers, and shall conform, as accurately as possible, to the templet furnished by the railroad company, consistent with paragraph No.
Page 83 - If any rail break when subjected to the drop test, two additional tests will be made of other rails from the same blow of steel, and, if either of these latter tests fail, all the rails of the blow which they represent will be rejected ; but, if both of these additional test pieces meet the requirements, all the rails of the blow which they represent will be accepted.
Page 82 - Ten per cent. of the entire order will be accepted in shorter lengths, varying by even feet to twenty-seven (27) feet, and all No.
Page 85 - Circular holes for splice bars shall be drilled in accordance with the specifications of the purchaser. The holes shall accurately conform to the drawing and dimensions furnished in every respect, and must be free from burrs.
Page 83 - One drop test shall be made on a piece of rail, not less than 4 ft. and not more than 6 ft. long, selected from each blow of steel. The test piece shall be taken from the top of the ingot. The rails shall be placed head upward on the supports, and the various sections shall be subjected to the following impact tests under a free falling weight: 70 to 79-lb. rails 18ft. 80 to 89-lb. rails 20
Page 86 - The name of the maker, the weight of rail and the month and year of manufacture shall be rolled in raised letters on the side of the web, and the number of blow shall be plainly stamped on each rail where it will not subsequently be covered by the splice bars.