tunnel height

tom1108OGR Forum Member

how high should a tunnel be to clear double stacks ?

2/14/123:45 PM

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Fec fanOGR Forum Member

Minimum 6" from railhead. 7" would be better.

2/14/126:27 PM

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Bobby OgageOGR Forum Member

You also should consider reaching-in clearance for your arms in the event of a derailment. You could make the portal clearance just enough to clear double-stacks, make the portal removable so you can reach inside the tunnel, and make the height clearance inside of the tunnel considerably more to facilitate your access.

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2/14/127:06 PM

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