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5.
Railway Track
The railway track at Naval Activities consists of several basic elements. These elements include
the roadbed (ballast, subballast, and subgrade), ties, tie plates, rail, gauge rods, point guards, and
switches. There are also spikes to secure the rail and tie plate to the tie, joint bars, and nuts and
bolts to secure one rail section to another, and finally switch components such as frogs, switch
points, stock rail, switch ties, and switch stands. All trackage shall be certified in accordance
with the NAVFACINST 11230.1 series.
a. Track Components. See Figures 2-19 to 2-21 for illustrations of various track
structure components. The weight of a rail section is measured by pounds per yard. The gauge
of the track is measured 5/8 of an inch below the head of the rail and standard gauge is 56
inches. Rail specifications are stamped on the side of the rail. This includes manufacturer, date of
manufacturer, rail section designation (includes rail weight), and the manufacturing process.
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