. Electric railway journal . oil lb. Polarine cup grease Overhead, charges based upon a life of ten years, at 6 cents per tie (180 ties considered a days work) Total cost per day $10,896 Cost per tie This tamping outfit cost about $1,300, the two tamp-ing guns $100 each, and the tamping bars $ the pneumatic outfit is still engaged on tampingtrack, the average cost for 1916 has not been compiled,but undoubtedly will be higher, due to increased wagespaid this year to all classes of labor. These figuresserve to show a saving of approximately 56 per tr


. Electric railway journal . oil lb. Polarine cup grease Overhead, charges based upon a life of ten years, at 6 cents per tie (180 ties considered a days work) Total cost per day $10,896 Cost per tie This tamping outfit cost about $1,300, the two tamp-ing guns $100 each, and the tamping bars $ the pneumatic outfit is still engaged on tampingtrack, the average cost for 1916 has not been compiled,but undoubtedly will be higher, due to increased wagespaid this year to all classes of labor. These figuresserve to show a saving of approximately 56 per true comparison is the net result at the end of theseason, and to keep the actual cost a job order is as-signed to cover the operation of the tie tamper for theseason in connection with a job order issued to coverthe particular reconstruction job. At the completionof each job the cost of ballasting can be readily factor to be considered is the increasing number November 25, 1916] ELECTRIC RAILWAY JOURNAL 1119. THE PNEUMATIC TAMPING OUTFIT AS A DRILL FORCUTTING OUT CONCRETE THE PNEUMATIC TAMPING OUTFIT AS A BLOWER FOR REMOVINGRUST FROM STRUCTURAL WORK of laborers required on reconstruction work. The tamp-ing outfit will take the place of at least ten laborers,and these laborers can then be used to good advantageahead in tearing up and reconstructing tracks. Laborerswere needed very badly during the past summer, and asmost way engineers know there was not a job this yearthat had half its quota of men. The municipal engineers of the several communitiesthrough which this road operates were so well pleasedwith the work of the pneumatic tamper that they re-quested that it be used on certain jobs, and having onlyone outfit we were kept busy moving it to the variousmunicipalities when we could do so consistently. Excellent results in the breaking up of concrete basehave been obtained by the following procedure. Ratherthan work continuously off the face of the concrete, a


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