Lane, Salini team wins $524m contract for Florida reservoir project


Lane Construction, the US subsidiary of Italian industrial group specialised in the construction and civil engineering business Salini Impregilo, has won a $524m joint venture contract for the Caloosahatchee (C43) West Basin Storage Reservoir in southern Florida.

The new contract strengthens the company’s presence in the US, where news orders accounted for 50% of the group’s total in 2018, resulting in a 35% increase for a record construction backlog.

The South Florida Water Management District (SFWMD) has commissioned the project as part of the Comprehensive Everglades Restoration Plan to reduce harmful discharges into the Caloosahatchee Estuary in Hendry County by 2024.

Work includes the construction of an earth-fill dam with a perimeter of about 16.3 miles (26.2km) and a separator dam of 2.8 miles (4.5km) in length.

The reservoir will encompass 10,000 acres (40.5km²) and store 170,000 acre-feet (209.7 million m³) of water when full.

Work is expected to commence in summer 2019 and be completed in 2024.

The Caloosahatchee Estuary has been suffering over the years due to impacts to natural water flows caused by residential and agricultural development in the area.

When it rains, the reservoir will capture water run-offs contaminated by residential and agricultural developments in the area and during dry periods, it will maintain a minimum flow of fresh water to the estuary, reducing extreme salinity changes.

Lane Construction is applying its expertise in other projects to protect lakes and rivers in the US.

In Tennessee, the company is upgrading a wastewater treatment plant, while in Georgia, it is expanding a water reclamation facility and improving a water resources facility.

Lane Construction, along with Salini Impregilo, is also working on major hydraulic tunnelling projects to help cities better handle combined sewer overflows (CSOs) during rainstorms and reduce the pollution of their rivers and lakes.

During flooding, the tunnels will receive flows from sewer systems captured by diversion facilities. The tunnels store the water until they can convey it to wastewater treatment plants to be treated.

Lane and Salini are also involved in the Three Rivers Protection & Overflow Reduction Tunnel (3RPORT) in Ft Wayne, Indiana; the Dugway Storage Tunnel in Cleveland, Ohio; and the Anacostia River Tunnel, which along with the Northeast Boundary Tunnel (NEBT) in Washington, DC, belongs to the city’s major Clean Rivers Project.


Image: The C43 Expresslane in Florida. Photo: Courtesy of The Lane Construction Corporation.


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