1. Office for Information Resources GIS Services Tennessee Base Mapping Program Dennis T. Pedersen, Department of Finance and Administration Office for Information Resources Director, GIS Services

2. OIR – GIS Services Gibson County July 2007 TN Base Mapping Program Overview Status Activities Next steps

3. OIR – GIS Services Gibson County July 2007 TN Base Mapping Program – Basic Products: Ortho Imagery Cadastral (Parcel) Limited Planimetric Data Street Centerlines Edge of Pavements Ridge Lines Hydrography Scales are 1”=100’ and 1”=400’ Format is ESRI compatible

4. OIR – GIS Services Gibson County July 2007 TN Base Mapping Program – Value Added Products: High Accuracy DTMs Contours Building Footprints

5. OIR – GIS Services Gibson County July 2007 TN Base Mapping Program – Scope: Continuous coverage for the entire state Over 24,000 100’ sheets Over 11,000 400’ sheets Over 3.6 million parcels

13. OIR – GIS Services Gibson County July 2007 1996/1997 – 2 county Pilot Program conducted by the Comptroller of the Treasury Maintain Parcel maps for 80 of 95 counties Maintain Assessment Database for 90 of 95 counties 1998 – Pilot Program extended to 3 additional counties Program coordination transferred to Office for Information Resources TN Base Mapping Program – History:

14. OIR – GIS Services Gibson County July 2007 Pilot Counties – 1997, 1998 TN Base Mapping Program

15. OIR – GIS Services Gibson County July 2007 Funding Model: Benefits of collaboration Cost Share between State, County, Municipal, and Federal governments Local Shares – 25% per county State – 75% (the rest!) TN Base Mapping Program – Collaboration:

16. OIR – GIS Services Gibson County July 2007 Reduced costs for collection, update, and maintenance Reducing redundancy of collection Higher accuracy data for all users Increased ability to integrate data at all levels of government Horizontal Integration: NRCS and FEMA Vertical Integration: Local gov’t / Census TN Base Mapping Program – Collaboration:

17. OIR – GIS Services Gibson County July 2007 TN Base Mapping Program – Collaboration: Anderson County Total Cost:$473,500 Local Share:$118,400 County:$ 38,700 E911 Board$ 21,400 City of Oak Ridge:$ 12,500 Oak Ridge Utility Dist:$ 12,500 Powell Clinch Utility Dist:$ 26,100 City of Clinton$ 4,700 City of Norris$ 600 City of Oliver Springs$ 1,000 City of Lake City$ 800

18. OIR – GIS Services Gibson County July 2007 TN Base Mapping Program – Status:

19. OIR – GIS Services Gibson County July 2007 Gibson County: Total cost: $246,800 $ 81,800 - 100’ Ortho Imagery $ 78,800 - 400’ Ortho Imagery $ 105,300 - Parcel Data Local Cost Share:$66,500 (Basic Products) TN Base Mapping Program - Next Steps:

20. OIR – GIS Services Gibson County July 2007 Manage County Resource Property Tax is primary revenue source for budget visually inspect property over/under valued identify patterns/trends in data determine influences on variations in data *Increase accuracy and Manage Resources TN Base Mapping Program – Return on Investment:

21. Office for Information Resources GIS Services County By Market Area

22. OIR – GIS Services Gibson County July 2007 Parcels Labeled with Appraised Values

23. OIR – GIS Services Gibson County July 2007 Parcel with Trees Overlay

24. OIR – GIS Services Gibson County July 2007 Economic Development Site Selection criteria: proximity to transportation size of parcels assess elevation, slope, drainage *Saves Money: Rutherford Co. TN Base Mapping Program – Return on Investment:

25. OIR – GIS Services Gibson County July 2007 Emergency Management E911 needs to locate incidents and dispatch first responders Misrouted cell and VOIP calls Need statewide standardized street centerlines – NG911 *Using GIS can improve response time and ultimately help save lives TN Base Mapping Program – Return on Investment:

26. OIR – GIS Services Gibson County July 2007 Save Money TN Base Mapping Program – Return on Investment: Save Time Increase Accuracy Improve Access Manage Resources

27. OIR – GIS Services Gibson County July 2007 Gibson County: Local Cost Share: $66,500 $ 81,800 - 100’ Ortho Imagery $ 78,800 - 400’ Ortho Imagery $ 105,300 - Parcel Data Revised Local Cost Share: $26,325 (parcel costs) TN Base Mapping Program - Next Steps:

28. OIR – GIS Services Gibson County July 2007 Thank You!! Contact Information: –Dennis Pedersen, Director, GIS Services 312 8 th Avenue North 16 th Floor, WRS Tennessee Tower Nashville, TN 37243-0288 –E-mail: dennis.pedersen@state.tn.us –Phone: 615-741-9356 See us on the WEB too: http://gis.state.tn.us See us on the WEB too: http://gis.state.tn.us