View Larger Image Eight contractors to share London super sewer main works The Construction Index »The Thames Tideway Tunnel project is a public-private partnership (P3) to build a 15-mile tunnel to upgrade London’s sewage system. The project aims to prevent sewage from flowing into the River Thames. By Michelle|2018-03-07T10:10:05-08:00March 18, 2015|England, Public-Private Partnerships, Thames Tideway Tunnel, Wastewater|0 Comments 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 Genoa Bridge Collapse Throws Harsh Light on Benettons’ Highway Billions Gallery Genoa Bridge Collapse Throws Harsh Light on Benettons’ Highway Billions Northam announces selection of firms to build $3.3 billion tunnel project Gallery Northam announces selection of firms to build $3.3 billion tunnel project Opinion: Maryland’s poor plan for public-prive partnership toll roads Gallery Opinion: Maryland’s poor plan for public-prive partnership toll roads