B - Operations – Transporting – 61 – B
Patent
B - Operations, Transporting
61
B
B61B 13/10 (2006.01)
Patent
CA 2159656
A typical section of the tube superimposed on gravel and rocks supporting rails 1 where a dual metal conduit 2 with suitable spacers 3 encased in concrete 4 accommodating traffic lanes 9 pedestrian and cyclist lanes or emergency passages 10. Air conditioned 15 air extraction 16 and internal lighting 17. Liner pressurised by air 21. The interconnecting prefabricated tube sections 1 will transport services 18 and accommodate vehicle traffic 19.
Izatt James Paterson
Izatt Sylvia Fay
Izatt James Paterson
Izatt Sylvia Fay
LandOfFree
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