Over half the 7.3 million cu m of tunnel spoil from London’s $26-billion Crossrail project is to be barged down the Thames River from tunnel sites to create new wetlands 100 kilometers away. Project owner Crossrail Ltd. (CRL) will fund land acquisition and earthmoving for the U.K.’s largest coastal habitat creation scheme, on Wallasea Island, next to the River Crouch, Essex. Photo: Crossrail Ltd. Low-lying Wallasea Island will be raised with tunnel spoil and converted into habitat for birds. CRL on Sept. 30 signed an agreement with Port of London Authority enabling barging the equivalent of a half-million truckloads of
The market is generally healthy and steadily growing, and margins are up for large specialty contractors. Further, advances in design tools and owner demand for collaboration are giving subcontractors a seat at the table early on in projects.