The National Geospatial Intelligence Agency located in St. Louis, MO is looking for sources who can deliver an existing dataset of High Resolution Light Detection and Ranging (LiDAR) Relief Data over Bogota', Colombia. NGA is looking to purchase an existing dataset and not a new collection. Project level metadata describing the LiDAR production process shall be submitted. Also, FGDC compliant metadata shall be provided in extensibe markup language (.xml) format for each dataset deliverable. NGA would like to see Reflective Surface Digital Elevation Model (DEM): 1-meter resolution grid from first and last return pulses. A Bare Earth DEM: 1-meter resolution grid and shall not include buildings, vegetation, bridges, or overpass structures in the bare earth model. Intensity Image: 1-meter resolution grid, intensity recorded from reflective surface (first return) pulse. Metadata files-one per each delivered data file. FORMATS: ERDAS IMG; ERDAS Imagine formatted deliverables shall meet the following additional format requirements: All gridded data shall be coincident; all cells shall align in all delivered products; Image files shall be joined into the largest files supported by image formats; contiguous data shall be joined together (mosaicked) into a sinle ERDAS Imagine mosiac file; "No Data" areas shall be assigned a value of -999 to support any additional image mosaic operations in ERDAS Imagine; Projection information shall be encoded in ERDAS IMG file headers; Pyramid files shall be built on all IMG formatted deliverables; Elevation values within open waters shall be flattened to the best estimate of the surface water level in all DEM models; Metadata: FGDC compliant .xml file - Compliances shall be verified using the USGS Metadata Validation Service available at http://geo-sndi.er.usgs.gov/validate.php. PROJECTION: UTM (correct zone; horizontal and vertical units in meters). DATUM: Horizontal: WGS84; Vertical: NAVD88, Mean Sea Level (MSL, [orthometric]. OUTPUT: DVD-R written at maximum of 2x write speed. NGA is interested only in qualified sources who can meet the above requirements. All those responding to this sources sought shall indicate if they are classified as a large or small business base on the size standards for NAICS code 541360. Responses shall be e-mailed to [email protected].

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