. Electric railway journal . locomo-tive crane and bent from the horizontal so that the pro-jecting end was in contact with one-track rail. A cast-steel shoe was then bolted to this projecting end. Thisshoe was provided with a slot to fit over the ball of therail and between the under side of the rail groove andthe rail base on the inside of the track. The casting thusserves as a double-pointed plowshare or rooter, and asthe crane car moves forward the concrete is wedged awayfrom the web of the rail on one side. After the concretehas been separated from the rail the remainder of the beamis bro
. Electric railway journal . locomo-tive crane and bent from the horizontal so that the pro-jecting end was in contact with one-track rail. A cast-steel shoe was then bolted to this projecting end. Thisshoe was provided with a slot to fit over the ball of therail and between the under side of the rail groove andthe rail base on the inside of the track. The casting thusserves as a double-pointed plowshare or rooter, and asthe crane car moves forward the concrete is wedged awayfrom the web of the rail on one side. After the concretehas been separated from the rail the remainder of the beamis broken up and removed by the electric shovel. November 22, 1913.] ELECTRIC RAILWAY JOURNAL 1087 After the bulk of the material has been excavated bythe electric shovel, the final subgrade surface is preparedby hand. This work is followed by thoroughly rolling thetrench with a 7-ton or 10-ton road roller. The next stepin preparing the subgrade is to excavate a small trench,1 ft. wide x 1 ft. deep, at the center of the track. An. Cincinnati Track Construction—Discharge End of Con-crete Mixer plates which are removed when the permanent joint is ap-plied. As a rule the delivery of crushed stone and sandfollows the track laying, so that the cars on which theyare loaded may be run over the new track and the stoneor sand dumped on the shoulder of the trench. All mate-rial is distributed with a view of eliminating unnecessary
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