Route foot
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Route foot |
A measurement of alignment that distinguishes between single tube and multiple tube configurations for the purpose of equating the utility of borehole surveys. For example, one borehole may be used to survey (theoretically) twice as many linear ft of tunnel for a double tube system as for a single tube system. Thus, one route ft in a double tube system comprises two linear ft of tunnel alignment; in a single tube system, route ft and linear are the same.
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