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C. The most current imagery available is used to update Layers for each Release; however, this imagery is not delivered as part of a Release. Licensee may purchase the imagery from GDR, if available, at an additional cost. D. Layers will by modified by GDR in accordance with the following terms and limitations (please select only those Layers applicable to the Specifications): Limit Updates of the total number of segments in the original base map in the following quantities may be performed in a Release before the Maximum Limit is exceeded, as follows: • up to 5% for Releases on a quarterly Maintenance Cycle • up to 10% for Releases on a bi-annual Maintenance Cycle • up to 15% for Releases on an annual Maintenance Cycle Spatial 1. Any new segment additions will be digitized and/or corrected to the most Accuracy recent aerial imagery that GDR can obtain. If roads are so new that they do not appear on any imagery, GDR will then add segmentation using reasonable commercial efforts with the understanding that the Layer will be corrected to spatially accurate imagery in a subsequent Release when said imagery becomes available to GDR 2. Any original segmentation found later to be in error in the original base map, will be corrected without counting against the Maximum Limit 3. GDR will not ortho-rectify an entire street file to a completely different source data set as part of a maintenance update. An example of this might be if a Licensee receives an engineer grade (1 inch accuracy) line file that they wish to transfer existing attributes to. This is not part of the maintenance cycle, but could be done as a different work order at an additional cost Attribution 1. A "golden" address range or point file (such as CAD, SITUS, or MSAG data) may be specified by Licensee during the initial file build. This file or files is/are used to validate the deliverable street file and ensure all address and name data is contained within. Customer may provide GDR with an updated version of their "golden" file for use in maintenance updates; however GDR will not accept additional "golden" files or a golden file that comes from a differing source with respect to the original 2. If a "golden" file was not provided to GDR by Licensee as part of the original Specifications, none may be provided for subsequent Release unless mutually agreed in writing between GDR and Licensee. Alternatively, a "golden" file may be incorporated into future Specifications at an additional cost 3. The unique ID field will be maintained during a maintenance update. At Licensee's request, deleted segments may be provided in a separate file. New segments will be given new ID numbers, and one part of any split segments will retain the original ID, while the other split portions will receive new IDs 4. All node, cross street, and polygon (city, police, fire, EMS, etc.) attribute data will be updated for each record if appropriate r ire or Limits 1. A complete rebuild of a response polygon Layer is considered part of a Release as long as it does not occur more often than once every 2 years. If Licensee has the need to completely rebuild polygon boundaries more often than once every 2 years, this may be incorporated into future Specifications at an additional cost 2. Geometry changes for up to 40 % of the records in a response boundary file may be performed before the Maximum Limit is exceeded 8 Digital Drive, Suite 200, Novato, CA 94949 • (888) 654-4GDR (4437) • Phone (415) 884-4437 • FAX (415) 884-4407 • www.gdr.com 4