A press release which ended up in my inbox says the French company Bouygues-lead consortium of CB3A finally gets the proceed with the work notice for this huge sewer tunnel project for USA's smallest state:

Tuesday 12 January 2021

BOUYGUES TRAVAUX PUBLICSWILL CONSTRUCT THE PAWTUCKET TUNNEL IN RHODE ISLAND, U.S., ALONGSIDEBARLETTA HEAVY DIVISION

As part of the program to improve water quality in Narragansett Bay, the Narragansett Bay Commission has issued to CB3A joint-venture notice to proceed with the work on the Pawtucket Tunnel Project. This joint venture comprises CBNA, a US-based subsidiary of Bouygues Travaux Publics, and local civil works contractor Barletta Heavy Division. The contract is worth €394million (Bouygues Travaux Publics' share is €256million).

Located in the Rhode Island Delta, approximately 75 km south of Boston, the Pawtucket Tunnel Project is the first part of phase 3 of the Bay's water management modernization program (Phase IIIA). CB3A is responsible for the design and construction of the tunnel and its ancillary structures.

The  3.5  km-long main  tunnel  will  be  excavatedalong  the  Seekonk  River  using  a  tunnel  boring  machine  specially designed to accommodate the varied geology of the route. Its 9-m internal diameter will enable it to collect and store a significant proportion of the region's rainwater, waste water and industrial water pending treatment by the water treatment plant.

The  project  also  involves  the  excavation  of  three  main  shafts,  one  of  which  will  serve  as  a  pumping  station  and supply  the  existing  treatment  plant. 4  drop  shafts  will  also  be  built  to  collect  water,  as  well  as  their  connecting tunnels to the main tunnel. 

Carried out in the heart of an urban residential area, the project will be subject to measures designed to protect the environment and minimize the impact of the work on local residents.

CB3A  will  be  supported  by  engineering  company  Aecom  to  carry  out  the  design  and  will  also  promote  local employment and the integration of local businesses when organizing the work.

The contract is for a period of 48 months.

About Bouygues Construction

Bouygues Construction  is  a  global  player  in  construction,  with  operations  in  more  than  60  countries.  It  designs,  builds  and operates projects in the sectors of building, infrastructure and industry. As a responsible and committed leader in sustainable construction, Bouygues Construction sees innovation as its primary source of added value: this is “shared innovation” that benefits its customers at the same time as improving its productivity and the working conditions of its 56,980 employees. In 2019, Bouygues Construction generated sales of €13.4 billion.