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“ It’ s not simply contractor execution after the design is complete,” Luis says.“ The influence is very strong early on, prior to construction starting.”
That collaborative, best-for-project approach has proven essential for a project of this scale. Rather than applying a single rehabilitation method across the entire 54- mile system, Spiniello’ s crews are assessing pipe condition, alignment, and geometry, section by section. Flow management alone has become significant in its own right, with wet-weather bypass systems designed to handle substantial volumes at scale.“ Construction on the first early work package began July 2026. This project represents where infrastructure delivery is heading.” For Luis, the project is proof that infrastructure of this size and importance cannot be solved by any one company.“ Collaboration matters,” he affirms.“ I give
a tremendous amount of credit to our DC project management and field operations teams. They are the ones managing that complexity every day in the field and making these solutions work.”
That same problem-solving approach is evident in Spiniello’ s work across the country. One example is Los Angeles’ North Outfall Sewer( NOS) 10, winner of the 2025 Trenchless Technology Project of the Year award.“ We are extremely proud of this project. NOS 10 is one of Los Angeles’ critical sewer arteries, and before we began work on this stretch- what the city officially calls Unit 10- it was approximately 5,000 feet of almost century-old infrastructure. However, this wasn’ t a straightforward sliplining project. The alignment included multiple curves and angle points, significant portions beneath private property and active railroad areas, deep access excavations, a unique
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