Superlative-filled tunnel-boring machines are nothing new to Seattle. From the infamous mole that dug a new State Route 99 tunnel to a handful of TBMs carving a new path for Sound Transit’s aggressive light rail expansion, tunneling under the Pacific Northwest city is almost commonplace.
KBR confirmed energy firm Equinor letter of intent for design of giant floating structure, along with Canada-based Hatch, with final investment decision possible in late 2024.