Page 34 - Tropic Magazine Issue 34
P. 34

TROPIC •  COVER STORY









           The bridge allows visitors greater access   The landscape and remote location –
           to the stunning region, while providing   a seven-hour drive south-west of
           them a new perspective of the gorge   Cairns – added to the logistics and
           through uninterrupted views.     technical complexity.
           John told Tropic the aim was to create   Many environmental factors had to be
           a bridge with aesthetic features that   considered, including the fact that the
           both blended with and enhanced the   gorge walls differ in height on each side.
           surrounding landscape. “The client was   John said the accuracy of his design stood
           seeking an outcome that would add the   up to the test.
           wow factor to what was already an award-  “Because of the natural formation,
           winning tourist destination,” he said.   there was significant planning involving
           “We were the first to attempt such a feat   not just us, but the project engineer,
           in Australia and I’m really pleased the   fabricator and builder,” he said. “But we
           finished product is now a drawcard in its   had to make a lot of assumptions, because
           own right.”                      so much was unknown – this was a first
                                            – and so we were still problem-solving
                                            during installation.”
                                            Two helicopters were used to lift all the
                                            major components into place,
                                            including 1.6-tonne steel support beams   1
                                            that were lowered into concrete footings
                                            attached deep into the sandstone.

                                                                                 That was challenging
                                                                               because of the different

                                                                                 levels of rotor wash
                                                                              deflecting back up off the
                                                                                      gorge floor

                                                                                                            John Hyde
                                                                                                            Director

                                             GORGE
                                                                             “The entire team really drew on
                                                                             its experience and expertise and we
                                                                             managed it.”
                                                                             A custom fabricated A-frame gentry
                                                                             system with a central girder was also
                                                                             designed to allow a block and tackle to
                                                                             travel from one side to the other, enabling
                                                                             the safe installation of the cross-member
                                                                             beams, the glass floor panels and the
                                                                             rest of the components. An under-slung
                                                                             man basket was also fitted to hang under
                                                                             the bridge and allow for regular, safe
                                                                             and efficient cleaning, maintenance and
                                                                             inspections – certainly not a job for the
                                                                             faint of heart. In a massive endorsement
                                                                             of supreme designing, planning,
                                                                             pre-fabricating and adaptation, the
                                                                             installation took just two weeks from
                                                                             start to finish.
                                                                  EAST
                                                                             If the satisfaction of a difficult job well
                                                                             done wasn’t enough, John was recently
                                                                             the recipient of a national award, with
                                                                             the Cobbold Gorge project named Design
                                                                             of the Year and Bespoke Window/Glass



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