Cedar Bayou Crossing Corridor Study

City of Baytown | Baytown, Texas

Baseline | DCCM performed professional surveying services as a subconsultant to Binkley & Barfield | DCCM to obtain and review existing lidar data and the limited preliminary ground survey data for the Cedar Bayou Corridor Study. The project spanned 3.7 miles from North Main Street, 3,300 feet south of IH 10 (west tie-in point), to the intersection of SH 146 and Kilgore Parkway (east tie-in point).
The latest available published lidar data from USACE and Texas Natural Resources Information System covering the project area to evaluate and perform the following tasks:

  • Data sets were extracted/downloaded into Esri ArcGIS (Pro+3D Analyst tool) and Context Capture/OpenRoads
  • Cross-data checks were performed relative to public shared datasets from TxDOT, the City of Baytown, Harris County, and other available online resources.
  • The MicroStation DGN deliverable included:
    • DEM
    • 2D building/structure footprints
    • Roads, highways, and railroads
    • Overhead transmission lines
    • Other visible features within the lidar data
    • Limited field surveying was performed. 

Field surveying tasks included setting four project control points, performing limited topographic surveying along North Main Street (1,000 feet north and south of the west tie-in point) and SH 146 (500 feet north and south of the west tie-in), and obtaining cross sections along the existing railroad running through the project. Field surveying also included determining the elevations of the existing railroad running at the railroad bridge over SH 146 and confirming (spot-checking) the lidar data in several accessible areas.
The survey data was based on the NAD 83, Texas Coordinate System, South Central Zone (4204) CORS adjustment. Elevations were based on the NAVD 88 2001 adjustment relative to the lidar data. The survey information was provided in MicroStation Select Series 10.

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