tropical storm or even hurricane. The best season for airborne data capture missions is the dry season with prevailing easterly Trade Winds in the months February through April. See Figure 4 for details. Figure 4: Rainfall statistics for Grenada. Source: Product Summary of Key Deliverables The following table gives a high-level summary of the key products to be delivered by the contractor under this project. The detailed requirements for the data collection, individual products, reporting and quality assurance/quality control documentation will be described in chapters 4 to 7. Product Types Product Specification Deliverables Format(s) Resolution Classified Lidar LAS Min. 8 Topographic Lidar Delivery coordinate point cloud system 1: WGS84, UTM Lidar intensity TIFF + TFW Zone 20 N, orthometric images 0.50 m heights using the EGM2008 geoid model Digital Surface TIFF + TFW 0.50 m Model (DSM) TIFF + TFW 0.50 m Delivery coordinate Digital Terrain system 2: Grenada ESRI Shape 1 m Model (DTM) Datum 1953, British West Indies Grid Contours projection, local orthometric heights Vertical accuracy 20 cm @ 95% CI, horizontal accuracy 40 cm @ 95% CI Single aerial 3 x 8 bit GSD max. Aerial imagery RGB + NIR Delivery coordinate images RGB + NIR TIFF 0.20 m system 1: WGS84, UTM Adjusted image ESRI Shape n/a Zone 20 N, orthometric centers and heights using the 3 x 8 bit orientation EGM2008 geoid model TIFF + TFW parameters (result Delivery coordinate of system 2: Grenada aerotriangulation) 0.20 m Datum 1953, British Orthophoto West Indies Grid mosaic RGB + NIR projection, local orthometric heights Horizontal accuracy of the Orthophoto product 60 cm @ 95 % CI Topo-Bathy TIFF + TFW 1 m Combined Height differences difference model TIFF + TFW 1 m Topographic/Bathymetric between ground DTMs Elevation Seamless DTM ESRI Shape 1 m Complete seamless mosaic DTM and contours Seamless contours including both bathymetry (provided by UKHO) and topography (collected under this contract) Flight line ESRI Shape Ancillary Information Deliver all additional trajectories technical data gathered TIFF + TFW Lidar strip RINEX to support the project
tropical storm or even hurricane. The best season for airborne data capture missions is the dry season with prevailing easterly Trade Winds in the months February through April. See Figure 4 for details. Figure 4: Rainfall statistics for Grenada. Source: Product Summary of Key Deliverables The following table gives a high-level summary of the key products to be delivered by the contractor under this project. The detailed requirements for the data collection, individual products, reporting and quality assurance/quality control documentation will be described in chapters 4 to 7. Product Types Product Specification Deliverables Format(s) Resolution Topographic Lidar Delivery coordinate system 1: WGS84, UTM Zone 20 N, orthometric heights using the EGM2008 geoid model Delivery coordinate system 2: Grenada Datum 1953, British West Indies Grid projection, local orthometric heights Vertical accuracy 20 cm @ 95% CI, horizontal accuracy 40 cm @ 95% CI Classified Lidar point cloud Lidar intensity images Digital Surface Model (DSM) Digital Terrain Model (DTM) Contours LAS TIFF + TFW TIFF + TFW TIFF + TFW ESRI Shape Min. 8 0.50 m 0.50 m 0.50 m 1 m Aerial imagery RGB + NIR Delivery coordinate system 1: WGS84, UTM Zone 20 N, orthometric heights using the EGM2008 geoid model Delivery coordinate system 2: Grenada Datum 1953, British West Indies Grid projection, local orthometric heights Horizontal accuracy of the Orthophoto product 60 cm @ 95 % CI Single aerial images RGB + NIR Adjusted image centers and orientation parameters (result of aerotriangulation) Orthophoto mosaic RGB + NIR 3 x 8 bit TIFF ESRI Shape 3 x 8 bit TIFF + TFW GSD max. 0.20 m n/a 0.20 m Combined Topographic/Bathymetric Elevation Height differences between ground DTMs Complete seamless DTM and contours including both bathymetry (provided by UKHO) and topography (collected under this contract) Topo-Bathy difference model Seamless DTM mosaic Seamless contours TIFF + TFW TIFF + TFW ESRI Shape 1 m 1 m 1 m Ancillary Information Deliver all additional technical data gathered to support the project Flight line trajectories Lidar strip ESRI Shape TIFF + TFW RINEX