Specifications include, but are not limited to: • Point Cloud o All returns, Las 1.4 format o Point files will include the following fields: X,Y,Z, Return Intensity, Return Number, Point Classification (ground, default, water), Scan Angle, Adjusted GPS Time • Surface Models o Tiled & Mosaicked Topobathymetric Surface (DEM), 0.5-m resolution or better, ESRI Grid & Civil3D formats o Tiled & Mosaicked Highest Hit (DEM), 0.5-m resolution or better, ESRI Grid & Civil3D formats o Intensity Images, 0.5 ft resolution, GeoTiff format o Tiled & Mosaicked Hydro-flattened Bare Earth (DEM), 0.5-m resolution or better, ESRI Grid & Civil3D format o Tiled & Mosaicked Hydro-enforced Bare Earth (DEM), 0.5-m resolution or better, ESRI Grid & Civil3D format o Root mean square error of data (95% confidence RMSE, referenced to ground control survey) shall be no greater than 10 cm for vertical data and 12 cm for horizontal data. • Vectors o Survey Boundary, shapefile format o Tile delineation, shapefile format o 3D Hydrolines, shapefile format • Aerial Imagery o 3-Band Mosaicked Orthoimage, 10 cm resolution (or better), MrSID format. • Ground control survey sufficient to conduct an assessment of the Lidar product accuracy, including: o Lidar Calibration Points o Bathymetry Checkpoints o Waters Edge Checkpoints • Reporting o Methods, Results, Accuracy Assessments (both vertical and horizontal data) o FGDC-compliant Metadata • Coordinate System: Data will be delivered in UTM Zone 6 North, meters. o Horizontal datum: WGS84. o Vertical datum: NAVD88 (GEOID 12B).
