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[sharechat] More useless info on TRH...~Tunnel Technology

From:	Marilyn Munroe <who.c@res.co.nz>
Date:	Tue, 31 Oct 2000 22:55:05 +1300

Tony Haddon wrote;

A friend of a friend, a European contractor, was employed to survey the interior of all TRH's tunnels, using some sort of rail mounted super accurate measuring thingy. He had great trouble because of the instability of the track bed, nearly gave up...

Far too high tech. Just grab a torch and walk into the tunnel. Look for container scrape marks on the tunnel roof & walls. Bingo, you have identified any tunnel dimension problems.

Boop-boop-de-do Marilyn

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