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City of Santa Ana Public Public Works Agency PROPOSAL - RFP 17-002 kJDIGITAL MAP Geographic Information Systems Services and Data PRODUCTS Project Requirements: Horizontal Accuracy The datum for horizontal adjustments and positions must be the North American Datum of 1983 (NAD 83). The datum for vertical adjustments and elevations will be the North American Vertical Datum of 1988 (NA VD 88). Further, it must be adjusted to the 2007 EPOCH adjustment by the County of Orange to account for ground shift in Orange County that has caused 2.2' average shift from the 1988 NAD datum. All horizontal values must be published in the California Coordinate System 1983 (CCS83), Zone 6, State Plane values in U.S. Survey Feet, Eagle Aerial Orthophotography meet and exceed these requirements. The ortho images must be tied to the current Geodetic control network from the Orange County Survey Department. They must also have a horizontal accuracy of plus/minus one foot or better throughout the project area. Eagle Aerial Orthophotography meet and exceed these requirements. Flight Campaign All aerial photography must be performed in accordance with specifications established by the American Society of Photogrammetry and Remote Sensing. A large format, calibrated digital mapping camera with forward motion compensation must be used. The vendor will deliver a Camera Calibration Certificate for the camera used. Planning and acquisition will be performed under the direction of an ASPRS Certified Photogrammetrist. The Vendor will provide a copy of the certificate confirming the ASPRS certification upon request. Eagle Aerial Orthophotography meet and exceed these requirements. Eagle will provide a copy of the ASPRS certification upon request. Weather, time of day and time of year The photography must be captured in the May/June time frame with the sun at least 30 degrees above the horizon. Visibility at time of capture must be a minimum of 10 miles as reported at local weather stations to assure clear, crisp images. Eagle Aerial Orthophotography meet and exceed these requirements. 221Page