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2012 -2014 Street Rehabilitation City of Thornton Infrastructure Department

2012 -2014 Street Rehabilitation City of Thornton Infrastructure Department. Pavement Management. Streets Inspected Every Year Staff evaluates 10 pavement characteristics to determine a street rating (or Pavement Condition Index- PCI) between 0 and 100. PCI Levels Good:100-80 Fair: 79-45

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2012 -2014 Street Rehabilitation City of Thornton Infrastructure Department

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  1. 2012 -2014Street RehabilitationCity of ThorntonInfrastructure Department

  2. Pavement Management • Streets Inspected Every Year • Staff evaluates 10 pavement characteristics to determine a street rating (or Pavement Condition Index- PCI) between 0 and 100. • PCI Levels • Good:100-80 • Fair: 79-45 • Poor 44-0 • Pavement Management System (Street Database) • Historical Maintenance Data (ongoing) • Current Pavement Conditions • Future Pavement Predictions • Potholes • Visible Patches • Transverse/Longitudinal Cracks • Alligator/Block Cracking • Spider Cracking • Surface Raveling • Rutting • Deflection • Ridability • Priority Level (Arterial, Collector, Residential)

  3. Current 2011 Conditions - Good

  4. Current 2011 Conditions - Fair

  5. Current 2011 Conditions - Poor

  6. Pavement Deterioration and Preservation Example

  7. Pavement Deterioration and Preservation Example

  8. Pavement Deterioration and Preservation Example

  9. Pavement Deterioration and Preservation Example

  10. Historical CIP Asphalt Expenditures Asphalt Total CIP Paving Rehabilitation Lane Year $ Per Ton Expenditures Miles % Budget for Each Program 1990 $25.00 $ 284,000 690 100 % Overlay 1991 $25.00 $ 2,360,000 706 100 % Overlay 1992 $22.50 $ 913,000 732 100 % Overlay 1993 $23.50 $ 1,109,000 746 100 % Overlay 1994 $25.00 $ 769,000 788 88 % Overlay, 12% Slurry Seal 1995 $23.50 $ 1,562,000 821 93% Overlay, 7% Slurry Seal 1996 $23.50 $ 2,910,000 855 83% Overlay, 17% Slurry Seal 1997 $22.50 $ 2,987,000 868 97% Overlay, 3% Slurry Seal 1998 $22.95 $ 3,038,000 899 91% Overlay, 9% Slurry Seal 1999 $23.50 $ 4,808,000 923 96% Overlay, 4% Slurry Seal 2000 $26.50 $ 3,528,000 933 98% Overlay, 2% Slurry Seal 2001 $32.00 $ 1,776,000 954 94% Overlay, 6% Slurry Seal 2002 $32.00 $ 1,381,000 1,066 43% Overlay, 57% Slurry Seal 2003 $35.00 $ 1,306,000 1,113 32% Overlay, 68% Slurry Seal 2004 $36.50 $ 1,476,000 1,149 26% Overlay, 74% Slurry Seal 2005 $45.00 $ 1,519,000 1,185 20% Overlay, 80% Slurry Seal 2006 $48.00 $ 1,515,000 1,223 0% Overlay, 63% Slurry Seal, 37% Chip Seal 2007 $85.63 $ 1,650,000 1,263 16% Overlay, 42% Slurry Seal, 42% Chip Seal 2008 $60.00$ 1,650,0001,26526% Overlay, 53% Slurry Seal, 21% Chip Seal 2009 $40.57 $ 1,650,000 1,266 84% Overlay, 6% Chip Seal, 10% Slurry Seal 2010 $38.20 $ 1,650,000 1,275 47% Overlay, 37% Hot Chip, 16% Crack Seal

  11. Historical CIP Asphalt Expenditures Asphalt Total CIP Paving Rehabilitation Lane Year $ Per Ton Expenditures Miles % Budget for Each Program 1990 $25.00 $ 284,000 690 100 % Overlay 1991 $25.00 $ 2,360,000 706 100 % Overlay 1992 $22.50 $ 913,000 732 100 % Overlay 1993 $23.50 $ 1,109,000 746 100 % Overlay 1994 $25.00 $ 769,000 788 88 % Overlay, 12% Slurry Seal 1995 $23.50 $ 1,562,000 821 93% Overlay, 7% Slurry Seal 1996 $23.50 $ 2,910,000 855 83% Overlay, 17% Slurry Seal 1997 $22.50 $ 2,987,000 868 97% Overlay, 3% Slurry Seal 1998 $22.95 $ 3,038,000 899 91% Overlay, 9% Slurry Seal 1999 $23.50 $ 4,808,000 923 96% Overlay, 4% Slurry Seal 2000 $26.50 $ 3,528,000 933 98% Overlay, 2% Slurry Seal 2001 $32.00 $ 1,776,000 954 94% Overlay, 6% Slurry Seal 2002 $32.00 $ 1,381,000 1,066 43% Overlay, 57% Slurry Seal 2003 $35.00 $ 1,306,000 1,113 32% Overlay, 68% Slurry Seal 2004 $36.50 $ 1,476,000 1,149 26% Overlay, 74% Slurry Seal 2005 $45.00 $ 1,519,000 1,185 20% Overlay, 80% Slurry Seal 2006 $48.00 $ 1,515,000 1,223 0% Overlay, 63% Slurry Seal, 37% Chip Seal 2007 $85.63 $ 1,650,000 1,263 16% Overlay, 42% Slurry Seal, 42% Chip Seal 2008 $60.00$ 1,650,0001,26526% Overlay, 53% Slurry Seal, 21% Chip Seal 2009 $40.57 $ 1,650,000 1,266 84% Overlay, 6% Chip Seal, 10% Slurry Seal 2010 $38.20 $ 1,650,000 1,275 47% Overlay, 37% Hot Chip, 16% Crack Seal

  12. Historical CIP Asphalt Expenditures Asphalt Total CIP Paving Rehabilitation Lane Year $ Per Ton Expenditures Miles % Budget for Each Program 1990 $25.00 $ 284,000 690 100 % Overlay 1991 $25.00 $ 2,360,000 706 100 % Overlay 1992 $22.50 $ 913,000 732 100 % Overlay 1993 $23.50 $ 1,109,000 746 100 % Overlay 1994 $25.00 $ 769,000 788 88 % Overlay, 12% Slurry Seal 1995 $23.50 $ 1,562,000 821 93% Overlay, 7% Slurry Seal 1996 $23.50 $ 2,910,000 855 83% Overlay, 17% Slurry Seal 1997 $22.50 $ 2,987,000 868 97% Overlay, 3% Slurry Seal 1998 $22.95 $ 3,038,000 899 91% Overlay, 9% Slurry Seal 1999 $23.50 $ 4,808,000 923 96% Overlay, 4% Slurry Seal 2000 $26.50 $ 3,528,000 933 98% Overlay, 2% Slurry Seal 2001 $32.00 $ 1,776,000 954 94% Overlay, 6% Slurry Seal 2002 $32.00 $ 1,381,000 1,066 43% Overlay, 57% Slurry Seal 2003 $35.00 $ 1,306,000 1,113 32% Overlay, 68% Slurry Seal 2004 $36.50 $ 1,476,000 1,149 26% Overlay, 74% Slurry Seal 2005 $45.00 $ 1,519,000 1,185 20% Overlay, 80% Slurry Seal 2006 $48.00 $ 1,515,000 1,223 0% Overlay, 63% Slurry Seal, 37% Chip Seal 2007 $85.63 $ 1,650,000 1,263 16% Overlay, 42% Slurry Seal, 42% Chip Seal 2008 $60.00$ 1,650,0001,26526% Overlay, 53% Slurry Seal, 21% Chip Seal 2009 $40.57 $ 1,650,000 1,266 84% Overlay, 6% Chip Seal, 10% Slurry Seal 2010 $38.20 $ 1,650,000 1,275 47% Overlay, 37% Hot Chip, 16% Crack Seal

  13. Historical CIP Asphalt Expenditures Asphalt Total CIP Paving Rehabilitation Lane Year $ Per Ton Expenditures Miles % Budget for Each Program 1991 $25.00 $ 2,360,000 706 100 % Overlay 1992 $22.50 $ 913,000 732 100 % Overlay 1993 $23.50 $ 1,109,000 746 100 % Overlay 1994 $25.00 $ 769,000 788 88 % Overlay, 12% Slurry Seal 1995 $23.50 $ 1,562,000 821 93% Overlay, 7% Slurry Seal 1996 $23.50 $ 2,910,000 855 83% Overlay, 17% Slurry Seal 1997 $22.50 $ 2,987,000 868 97% Overlay, 3% Slurry Seal 1998 $22.95 $ 3,038,000 899 91% Overlay, 9% Slurry Seal 1999 $23.50 $ 4,808,000 923 96% Overlay, 4% Slurry Seal 2000 $26.50 $ 3,528,000 933 98% Overlay, 2% Slurry Seal 2001 $32.00 $ 1,776,000 954 94% Overlay, 6% Slurry Seal 2002 $32.00 $ 1,381,000 1,066 43% Overlay, 57% Slurry Seal 2003 $35.00 $ 1,306,000 1,113 32% Overlay, 68% Slurry Seal 2004 $36.50 $ 1,476,000 1,149 26% Overlay, 74% Slurry Seal 2005 $45.00 $ 1,519,000 1,185 20% Overlay, 80% Slurry Seal 2006 $48.00 $ 1,515,000 1,223 0% Overlay, 63% Slurry Seal, 37% Chip Seal 2007 $85.63 $ 1,650,000 1,263 16% Overlay, 42% Slurry Seal, 42% Chip Seal 2008 $60.00$ 1,650,0001,26526% Overlay, 53% Slurry Seal, 21% Chip Seal 2009 $40.57 $ 1,650,000 1,266 84% Overlay, 6% Chip Seal, 10% Slurry Seal 2010 $38.20 $ 1,650,000 1,275 47% Overlay, 37% Hot Chip, 16% Crack Seal

  14. 2011 Street Rehab Program

  15. 2011 Program Details 2011 CIP Street Rehabilitation Program: $1,650,000 • Asphalt Overlay ~7.0 Lane Miles ($625k) • Asphalt Patching ~1.1 Lane Miles ($200k) • Hot Chip Seal ~13.2 Lane Miles ($625k) • Crack Seal ~ 95.0 Lane Miles ($200k) Concrete Replacement Program: $100,000 In-House Program: $200,000 • Crack Seal ~55 Lane Miles ($50,000) • Patching/Overlay ~ 2 Lane Miles ($150,000) Total Rehab Expenditures: $1,950,000

  16. Recommended Program: “Level Funding”, Constant LOS

  17. Present Funding Program, Declining LOS

  18. Discussion

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