Cowi will lead the design of the Phase 2 contract of the Metropolitan Transport Authority Authority Metropolitan, a design design award, as well as partners marking the first major construction passage for the East Harlem extension.
The MTA board approved the grant of September 25 (contract C26202), which covers the tunnel and structural shells between 120th Street and Park Avenue. Connect Plus Partners is a joint company of Halmar International LLC and FCC Construction SA
Saqib Rizwan, Senior Vice President and CEO for the second MTA metro phase, is aimed at the NY/NJ NJ infrastructure forum in New York City on September 15.
Phase 2 extends the line Q to 1.5 miles north from 96 street to a new terminal on 125 street, where bikers will have access to direct transfers to the metro-north railways and MTA buses. The project timeline provides for construction to begin after the notice of the warning to proceed, with the boring operations of the tunnel planned to launch in 2027. Cowi launch projects end substantially by 2030.
The extension adds stations accessible to Ada on 106, 116 and 125 streets, restoring the metro service to East Harlem after more than eight decades while absorbing demand now crushing the runner on Lexington Avenue.
Thomas Dahlgren, executive vice -president of Cowi North America, assured stakeholders, that is, the strangers of the UPper East Side in New York, which expanding the line to 125th Street will improve daily mobility for more than 100,000 bikers and “reduce the agglomeration on the current metro line on LExington Avenue”.
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Governing Kathy Hochul (D) said in a declaration of September 25 that the prize represents “a critical investment in capital and mobility for Eastern Harlem residents”, emphasizing the community dimension of the project.
MTA officials emphasized that phase 2 contract is the second of the four planned packages, each that covers different portions of the extension.
Leadership design, technical challenges and funding
Cowi, named Principal Designer of Connect Plus Partners, will guide all aspects of design for tunnel work and structural shell.
“Phase 2 of the Second Avenue metro is one of the most significant infrastructure projects in the country,” Dahlgren said in the company’s announcement. He pointed out the complexity of the tunnel under Manhattan and said that the global team of 450 Cowi Tunnel Design professionals “would guarantee construction, safety and efficiency” in each delivery phase.
The Denmark-based consultant has extensive American traffic rehabilitation experience, as well as international tunnel experience, in order to manage constructability.
The documents of the MTA Council, reviewed by Enr, provide a more detailed description of the technical approach to the project. Next to 1.5 kilometers of twin tunnels, the contract calls for rehabilitating the segment built in the 70’s between 106 and 120 streets to capture cost savings.
The scope also includes seven axes that will serve as much as future stations and auxiliary structures that house electrical and mechanical systems, with a potential of community uses or at street level.
The contracting process incorporated alternative technical concepts proposed by Connect Plus Partners, which MTA officials said to reduce the risk and improve constructability. The adjudication establishes a performance period of 1,471 days and requires a 15% disadvantaged business business objective and the participation of local labor force.
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The Phase 2 program has a budget of $ 7.70 million, with $ 3.41 billion guaranteed through a full financing subsidy agreement of 2023, which covers almost half the costs of the project; State and local sources cover balance.
MTA officials say that the agreement guarantees a stable box flow, allowing the tunnel and excavation to be able to finance the lagoons that slow the previous phases.
Officials expect the project to transform the East Harlem Traffic Landscape, with reduced travel time, improved access for riders with disabilities and economic development opportunities related to the improvements in the stations area.
“The scale of this project and the experience needed to deliver it underlines its national importance,” Dahlgren said in the Cowi statement.
With secured funding and design design team in its place, the MTA says that phase 2 of the second avenue metro is ready to enter active construction for the first time in decades. At the same time, the pre-construction place, that is, the relocation of utility and the hiring of properties.
The expansion is aimed at a promise made almost a century earlier, after the high IRT train used by the northeastern section of Manhattan was dismantled from the late 1930’s, during the performance of World War II.
