Mining

  • Roy Hill Rail culverts and underpasses

    The project consisted of five large deep-corrugated plate structures: two stockpile tunnels installed under a 28m high bauxite stockpile; and three large-span haul road underpasses.
  • BHP Worsley Alumina, WA

    The project consisted of five large deep-corrugated plate structures: two stockpile tunnels installed under a 28m high bauxite stockpile; and three large-span haul road underpasses.