Rodd Staples (the guy at the top of the Sydney Metro project) sure has a turn of phrase

[highlyeccentric]

archive posted: Sydney Metro: Rodd Staples on when he feared the worst for new harbour rail tunnels

“What came with that was as we tunnelled under the harbour, every metre we were worried about water ingress into the tunnel,” Staples says. “Most of the tunnelling that’s done in Sydney is like carving a hole out of Swiss cheese whereas going through the harbour is more like tunnelling through yoghurt.”