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A major advantage of this construction technique is the ability to put the module on its side to install Tortoise switch
machines, bus wire, solder drops to the bus wire, and tie in the control panel wiring in a very comfortable position.
Note also that there is plenty of room for lots of folks to work side by side, accelerating the construction schedule.
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Once all the switch machines are installed, all the drops soldered to the bus, frogs powered, and the control panel fully
wired into the layout, the module is placed in the "normal" position so the track work can be tested by powering with a
Zephyr.
Once everything is ok, the track is ballasted, and then the module was lifted over the top of the San Bernardino "B" yard
and put into place underneath "B" yard. Here you see the detailed Sculptamold work that RD is doing for the entrance
to the tunnel for the narrow gauge track.
Once Denver was put into its permanent position, the next module to be built was Castle Rock.
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