VIDEO: Contractor knew about steel pipe in Bertha’s path King 5 » Seattle Tunnel Partners (STP) knew an 8-inch steel pipe was in Bertha’s path two years before the tunnel boring machine chewed through it, according to a new suit filed by Washington state. STP says the pipe stranded the massive machine for two years while extensive repairs were made. By Michelle|2018-02-05T12:28:17-08:00July 27, 2017|Alaskan Way Viaduct, Design-Build, Highways, Washington|Comments Off on VIDEO: Contractor knew about steel pipe in Bertha’s path Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTelegramTumblrPinterestVkXingEmail About the Author: Michelle Related Posts ‘A fiasco from the beginning’ — Caltrans’ costs soar on $1.1 billion San Francisco tunnels ‘A fiasco from the beginning’ — Caltrans’ costs soar on $1.1 billion San Francisco tunnels Getting There: Congestion pricing isn’t coming to Spokane, but these roads aren’t free and never were Gallery Getting There: Congestion pricing isn’t coming to Spokane, but these roads aren’t free and never were Multi-billion, decade-long toll road plan gets green light, but bottlenecks loom Gallery Multi-billion, decade-long toll road plan gets green light, but bottlenecks loom Carbon fee returns in Olympia as lawmakers consider $15 billion transportation package Gallery Carbon fee returns in Olympia as lawmakers consider $15 billion transportation package