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South Boston
South Boston
Project Contacts
Contract Number:
24-309-005Project Summary
The New Boston Main Interceptor (NBMI) is a critical part of the BWSC's wastewater system, carrying sewage and stormwater from more than 3,000 acres in City neighborhoods. Due to severe degradation, the NBMI system needs to be rehabilitated. The goal of this project is to rehabilitate a 2,000-foot portion of the existing 102-inch NBMI and two major sewer structures. The sewer system is approximately 25 to 35 feet deep, and rehabilitation work is being done in a “trenchless” manner to avoid deep excavation along the entire pipe length and to minimize neighborhood and traffic disruption. This Contract involves rehabilitation a portion of the NBMI system under Preble Street and Moakley Park. Most of the work will be done from within Moakley Park and a parking lot owned by the Massachusetts Water Resource Authority (MWRA) at the Columbus Parks Headworks.
Construction Schedule –
- Phase I - Complete
- Phase II – Began January 2024, with planned completion in Winter 2025
- Phase III – Anticipated 2025 - 2026
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