. The American railway; its construction, development, management, and appliances . Making an Embankment. made; and a careful specification of all the works on the line isdrawn up. The works are then let, either to one large contractor or toseveral smaller ones, and the labor of construction begins. Theduties of the engineers are to stake out the work for the contrac-tors, make monthly returns of its progress, and see that it is welldone and accordinsf to the specificationsand contract. Theline is divided intosections, and an en-gineer, with his as-sistants, is placedin charge of th
. The American railway; its construction, development, management, and appliances . Making an Embankment. made; and a careful specification of all the works on the line isdrawn up. The works are then let, either to one large contractor or toseveral smaller ones, and the labor of construction begins. Theduties of the engineers are to stake out the work for the contrac-tors, make monthly returns of its progress, and see that it is welldone and accordinsf to the specificationsand contract. Theline is divided intosections, and an en-gineer, with his as-sistants, is placedin charge of the worksare heavy, the con-tractors build shan-ties for their men and teams near the heavy cuttings or embankments,torn to take out heavy cuttings by means of the machine called asteam shovel, which will dig as many yards in a day as 500 Steam Excavator. It is the cus- 22 THE BUILDING OF A RAILWAY. On the prairies of the West the road-bed is thrown up fromditches on each side, either by men with wheelbarrows and carts,or by means of a ditching-machine, which can move 3,000 yards ofearth daily. In this casethe track follows immedi-ately after the embank-ment, and the men livein cars fitted up as board-ing-shanties, and movedforward as fast as requir-ed. If the country con-tains suitable stone, theculverts and bridgfe abut-ments are built by gangs
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Keywords: ., bookcentury1800, bookdecade1880, bookpublishernewyorkcscribnerss
