Pavement Preservation (PP) in the State of California- Protecting Their Road and Street Investment R. Gary Hicks PhD, PE CP2 Center, Chico CA Prepared for the 3 rd International Pavement Maintenance Technology Congress Guangzhou, China May 21-22, 22, 2009
Presentation Overview Pavement Preservation What Why How National Perspective Challenges Benefits Summary
Pavement Preservation What is it? Sum of all activities to provide and maintain serviceable roadways Corrective & Preventive Maintenance Minor & Major Rehab Keeping good roads good
Pavement Preservation What it is NOT? Capacity Improvements New or Reconstructed Pavements
Typical California Treatments AC Seals (Fog, Slurry, Micro, Chip, Cape) Crack Seal/Fill Thin HMA Overlays Thin Bonded Wearing Course Surface recycling PCC Crack & Joint Seal Partial & Full Depth Repair Undersealing Dowel Bar Retrofit Diamond Grinding & Grooving CA Maintenance Technical Advisory Guides
Fog Seals Compatibility Test
Chip Seals
Slurry Seals
Microsurfacings i
Cape Seals Slurry Chip Seal Followed by a Slurry or Microsurfacing
Cape Seals
Full Depth PCC Patching
Partial Depth PCC Patching
Dowel Bar Retrofit
Grinding & Texturing Concrete
Joint and Crack Resealing
Pavement Preservation - Concept Condition Original Pavement Optimal Timing Preventive Trigger Rehabilitation Trigger Time or Traffic
Philosophy Right Treatment Right Pavement Right Time Keeping GOOD Roads GOOD!
Cost Excellent Condition $1 to $2/yd 2 Failed $5 to $70/yd 2 Time or Traffic Pay me now or pay me later
Pavement Preservation Why? Protect the Investment Improve Level of Service Extend Pavement Life Reduce Overall Life Cycle Cost-as much as 50 % In California, the benefit of preservation is 6 :1 Trillion Dollar$ - National Interstate System Alone!
Pavement Preservation How?
Program Elements Program Guidelines Feedback Mechanism Pavement Management System Needs Assessment Analysis Procedures Framework for Treatment Selection
Needs Assessment Annual Manual vs. Automated devices Distress vs. Distress index Keep it simple
Keys to Success Simple & Measurable Goals Top Management Support Dedicated & Continuous Funding Assessing & Promoting Benefits Feedback from PMS Relevant Training
National PP Resources www.fp2.org
FHWA Resources http://www.fhwa.dot.gov/pavement/
National Center for Pavement Preservation (NCPP) Established by FHWA and Industry Located at Michigan State University Provides technical support to SHA s www.pavementpreservation.org
California PP Center California Pavement Preservation (CP2) center Promotes pavement preservation Help desk for state and local agencies Publications on line Other PP links on the center website www.cp2info.org/center
Benefits Challenges/ Barriers
Pavement Preservation - Challenges Philosophy - Worst First Top Management Support Dedicated d Funding Applicable Research & Relevant Training i Data Tracking & Demonstrating Early Benefits Safety
Pavement Preservation - Benefits Customer Satisfaction Informed Decision Making Improved Pavement Condition Improved Strategies & Techniques Lower Life Cycle Cost Improved Safety Patience & Persistence!!!
Same Concepts
PP Treatment Rules Excellent Joint/Crack Sealing, Surface Seals Patching, Thin Overlays Overlays, Recycling Reconstruction Failed Age
Concluding Thoughts Worst First Philosophy h
Keys to a Successful PP program Simple & Measurable Goals Top Management Support Dedicated & Continuous Funding Relevant Research & Training i Feedback from PMS Promote the Benefits Be Patient & Persistent
Questions? Contact Gary Hicks 530-898-3685 rghicks@csuchico.edu