As a subconsultant KS Engineers, P.C. (KSE) provided all surveying services for this complex NYCT project. KSE is responsible for providing three-dimensional field surveys, which include all levels, areas, and access to Columbus Circle Station Complex as well as the adjacent street.
KSE’s scope included the following:
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Establishing survey base line and bench marks throughout the project to which all surveys were originated
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Three-dimensional surveying to include all platforms, mezzanines, corridors and utilities within the areas of improvement including street level, stairs, ventilator structures, sidewalks, curbs
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Survey of base-of-rail to top-of-platform elevations at all platform edges at 25 ft. intervals
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Survey of elevations of all levels of the station and vertical variations within those levels
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Locating all vertical columns and walls within the areas of improvements
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Survey of dimensions and location of safety niches, depth of niches and centerline of track to back wall of niches at the IND Station
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Detail mapping of the ceilings at selected areas of the mezzanine, IRT, and IND levels.
Submission of all survey information formatted in accordance with NYCT standards (Microstation V8) in a 3D format.
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