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PROPOSAL <br />EXHIBIT "A" <br />WORK ORDER NO.6 <br />FOR PROFESSIONAL SERVICES AGREEMENT ANNUAL SURVEYING and MAPPING/GIS SERVICES <br />CONTRACT N0.0725, 2007.2009 <br />SCOPE: <br />GENERAL DESCRIPTION <br />Project consists of approximately 13,000 linear feet of road rights-of-way located within five <br />subdivisions: <br />1. San Sebastian Springs (PB 11, Pg 58 & 92) <br />2. San Sebastian Springs Unit II (PB 12, Pg 91) <br />3. San Sebastian Springs Unit III (PB 13, Pg 53) <br />4. San Sebastian Lakes (PB 13, Pg 54) <br />5. San Sebastian Springs Unit IV (PB 13, Pg 55) <br />A Specific Purpose Record Survey will be conducted for the purposes of identifying and <br />mapping existing improvements within the platted rights-of-way and contiguously platted utility <br />easements. These improvements shall be all above ground appurtenances including, but not <br />limited to pavements, curbs, walks, manholes, valve covers, inlets, culverts, driveways, mail <br />boxes and cable utility boxes. An AutoCadd (version 7) base map will be generated including <br />the platted right-of-ways, easements and lot lines with the addresses of all houses for the <br />purposes of the County's engineering design and contractor as-builts. <br />FIELD SURVEY <br />• Field locate right-of-way centerline monumentation necessary to determine boundaries of <br />subject roadways. Survey control will be performed by GPS, based upon NAD 83/99 horizontal <br />datum. <br />• Field locate all above ground appurtenances within the platted rights -of -ways and <br />contiguously platted utility easements. <br />• Establish elevations on found centerline control based upon NAVD 88 vertical datum to <br />best accuracies available utilizing GPS procedures. <br />• Cross section rights of way at 100 foot intervals. <br />• Field verify all house addresses. <br />FINAL MAPPING <br />• Compute record plat rights -of -ways and contiguous easements, orient to field control. <br />• Identify all field located improvements by symbol and/or text description. <br />• Establish centerline stationing and geometry. <br />• Publish State Plane Coordinates and elevations on all located centerline control. <br />• Identify lot numbers and house addresses. <br />• Provide certified map(s) and AutoCadd (version 7) file on disc. <br />TOTAL LUMP SUM $ 24,400.00 <br />3OF4 <br />