1. N ORTHWEST GIS U SERS G ROUP C ONFERENCE – O CTOBER 20, 2011 Dynamic GIS-based Pavement Condition Tracking

2. N ORTHWEST GIS U SERS G ROUP C ONFERENCE – O CTOBER 20, 2011 Pavement Management BIG PICTURE Save time and money through more effective management of road assets. Enable graphical visualization and analysis of pavement conditions. Map your street system Keep inventory Track work histories Attach photos, plans, etc. Create reports

3. N ORTHWEST GIS U SERS G ROUP C ONFERENCE – O CTOBER 20, 2011 Methodology Many “Schools of Thought” in Pavement Inventory – “Do Nothing” Plan – Calculated Pavement Management Plan – “Do Something!” PCI (Pavement Condition Index) – Grade represents a scale of current pavement condition – Usually rated as a percentage – 0 to 100 Governing Distress and Other Distresses PCI Recommended Treatment Estimated Treatment Costs

4. N ORTHWEST GIS U SERS G ROUP C ONFERENCE – O CTOBER 20, 2011 Planning Road Treatments $$ $$$$$ Excellent Good Fair Poor Failed Maintenance: Crack Sealing ($) Preventative Maintenance: Chip Sealing; Microsurfacing ($$) Rehabilitation: Overlays ($$$$) Major Rehabilitation:: Mill and Overlay; Reconstruction ($$$$$$) 0 0 20 100 PCI Years The cost to repair a roadway becomes greater with time. The rate of deterioration is exponential

5. N ORTHWEST GIS U SERS G ROUP C ONFERENCE – O CTOBER 20, 2011 Mountain Home – Case Study Doesn’t want to implement additional systems or new software tools. Integrate the street department’s information with the city’s GIS system. Share with department heads and other departments city-wide. ASTM International – PCI methodology Steps for PCI Calculation: – Inventory Roads – Come up with raw deduct values – Determine final deduction value – Subtract from 100 to get final PCI

6. N ORTHWEST GIS U SERS G ROUP C ONFERENCE – O CTOBER 20, 2011 Inventory Roads Measure road cracking in the field – Severity – High, Medium, Low – Extent – Percentage of sample that has covered in each type of distress

7. N ORTHWEST GIS U SERS G ROUP C ONFERENCE – O CTOBER 20, 2011 Calculate Raw Deduct Values Use charts to find raw deduct values for each distress based on its extent and severity

8. N ORTHWEST GIS U SERS G ROUP C ONFERENCE – O CTOBER 20, 2011 Calculate the PCI

9. N ORTHWEST GIS U SERS G ROUP C ONFERENCE – O CTOBER 20, 2011 Examine the Results

10. N ORTHWEST GIS U SERS G ROUP C ONFERENCE – O CTOBER 20, 2011 The Process …analyze and report the results in the office Update conditions in the field…

11. N ORTHWEST GIS U SERS G ROUP C ONFERENCE – O CTOBER 20, 2011 GIS in Pavement Management Update Road Network Update Road Network Pavement Inventory Pavement Inventory Recommended Treatments Recommended Treatments Planning and Budgeting Planning and Budgeting Road Improvements Road Improvements GIS

12. N ORTHWEST GIS U SERS G ROUP C ONFERENCE – O CTOBER 20, 2011 Q & A Ryan Cosby GIS Specialist Gateway Mapping, Inc. 250 S. Beechwood St. Suite 201 Boise, ID 83709 p: 208 376.7330 | c: 208 419.8567 | e: rcosby@jub.comrcosby@jub.com THE J-U-B FAMILY OF COMPANIES: www.jub.comwww.jub.com | www.gatewaymapping.com | www.langdongroupinc.comwww.gatewaymapping.comwww.langdongroupinc.com Gateway Mapping software and services: www.spatialgenerations.comwww.spatialgenerations.com | www.namesinstone.com | www.spatialim.comwww.namesinstone.comwww.spatialim.com Ryan Cosby GIS Specialist Gateway Mapping, Inc. 250 S. Beechwood St. Suite 201 Boise, ID 83709 p: 208 376.7330 | c: 208 419.8567 | e: rcosby@jub.comrcosby@jub.com THE J-U-B FAMILY OF COMPANIES: www.jub.comwww.jub.com | www.gatewaymapping.com | www.langdongroupinc.comwww.gatewaymapping.comwww.langdongroupinc.com Gateway Mapping software and services: www.spatialgenerations.comwww.spatialgenerations.com | www.namesinstone.com | www.spatialim.comwww.namesinstone.comwww.spatialim.com