In Venice, all eyes are on dramatic work at three lagoon inlets to hold back flood tides that repeatedly assault the historic Italian city. But along the mainland shore, engineers from the same construction consortium quietly are stemming more insidious flows of industrial pollution from Porto Marghera into the 550-sq-kilometer lagoon. Photo: Peter Reina Massive caissons will support 78 steel gates that weigh 300 tonnes each. Photo: Peter Reina Project Manager Roland Bastian with interlocking, Z-section sheet piles recycled from scrap metal. Related Links: Stemming Venice Lagoon Pollution: Barriers sheet piled at Porto Marghera About two-thirds of a 57-km-long “fence”
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.