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NEW YORK CITY GRAND CENTRAL SUBWAY STATION PLANNED MODIFICATIONS AND IMPROVEMENTS

机译:纽约大中央地铁站计划的修改和改进

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The Metropolitan Transportation Authority-New York City Transit—anticipating anrnincrease of ridership caused by the Long Island Railroad (LIRR) East Side Access project,rnthe No. 7 Subway Extension project, and the proposed East Midtown rezoning—rnis planning Grand Central Station improvements to alleviate congestion and improverncirculation.rnThe improvements represent the following significant planning, engineering, andrnconstruction challenges:rn 1 Extensive rock excavation and construction below the operating 42nd StreetrnShuttle passageway.rn 2 Underpinning and temporary support, reframing and structural modifications,rnwhile maintaining passenger services, train operations, and street traffic.rn 3 Reconfiguring the existing No. 7 Flushing Line station roof arch to add a newrnstair and passageway connection to the Lexington Avenue Line. The workrnwould require rock excavation and new construction over the roof of operatingrnsubway station.rn 4 Phasing the work to minimize impact on station operations.
机译:大都会交通管理局-纽约市公交公司-预期由长岛铁路(LIRR)东侧通道项目,地铁7号线扩展项目和拟议的东中城改划项目引起的乘客量增加,瑞尼斯计划对大中央车站进行改造,以改善改善表示以下重大的规划,工程和施工挑战:rn 1在运行中的第42 StreetrnShuttle通道下方进行了广泛的岩石开挖和施工。rn 2支撑和临时支撑,改建和结构改造,同时维护了乘客服务,火车3重新配置现有的法拉盛线7号车站屋顶拱门,为Lexington Avenue Line添加新的楼梯和通道连接。这项工作需要在地铁站的屋顶上进行岩石开挖和新建。rn4分阶段进行工作,以最大程度地减少对地铁站运营的影响。

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