Aerial Photography and Digital Orthoimagery Services

The Vendor is required to provide aerial photography and digital orthoimagery services for include:
• Digital aerial photography (nadir): acquire new four-band nadir digital aeiral photography and associated data products,
• Digital orthoimagery: develop new high-resolution natural color (3-inch pixel) four-band digital orthoimagery data products,
• Preliminary unrectified, georeferenced images (nadir): deliver preliminary raw unrectified images in uncompressed geotiff format delivered within two weeks of acquisition of the aerial imagery,
• Ground control: county has established over 200 horizontal and vertical ground control points,
• Aerial triangulation: use new aerial trangulation (AT) techniques to extend and densify ground control for the production of digital orthoimagery for 1"=50' scale mapping.