10 amarjeet benipal


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Presentation by Caltrans State Pavement Engineer Amarjeet Benipal at the California Asphalt Pavement Association Spring Conference April 25, 2013 in Ontario, CA.

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10 amarjeet benipal

  1. 1. California Asphalt Pavement Association2013 Spring ConferenceAmarjeet S. BenipalState Pavement EngineerApril 25, 2013
  2. 2. 12 distinctly different Caltrans Districts with varying needs
  3. 3. Pavement Inventory 16,400 lane milesUrban Areas 70%Rural Areas 30%Concrete Asphalt 33,200 lane milesRural Areas 70%Urban Areas 30%3
  4. 4. 2011 State of the Pavement
  5. 5. Caltrans Pavement Objectives1. Sustainability2. Asset Management3. Worker Safety4. Future Financial Trends
  6. 6. What is Sustainability?“Meeting the needs of the present withoutcompromising the ability of future generationsto meet their own needs”World Commission on Environment and Development, 1987
  7. 7. How Is Caltrans Being Sustainable?By building pavements to last multiplegenerations, with as much recycled materialas possible.• Quality & Performance• Cost Effectiveness
  8. 8. Caltrans Sustainable PavementInitiatives Efforts1. Planning2. Design3. Materials & Technologies4. Preservation
  9. 9. Sustainability – PlanningLife Cycle Cost Analysis (LCCA)
  10. 10. Life Cycle Cost Analysis - DesignAnalysis done to find the most cost effectivepavement based on cost associated with:InitialCostMaintenanceCostAnticipatedRehabilitationCostUserDelay
  11. 11. Sustainability – DesignLong-Life Pavement1. Asphalt PavementAsphalt: I-710, I-5, I-80 etc2. Concrete Pavementa. Jointed Plainb. Continuously Reinforcedc. PrecastConcrete: I-680, I-710, I-15 etc
  12. 12. Sustainability –Materials & Technologies1. Rubber Hot Mix Asphalt (RHMA)2. Pavement (RAP) / Recycled AsphaltShingles (RAS)3. Warm Mix Asphalt (WMA)4. Recycle Concrete Aggregates5. Supplementary Cementious Materials
  13. 13. Sustainability –Materials & Technologies6. Cold In-Place Recycling (CIR)7. Full Depth Recycling (FDR)8. Porous Pavement– Asphalt & Concrete9. Smooth Pavement10. Quiet Pavement
  14. 14. Rubber Hot Mix Asphalt (RHMA) RHMA been successfully used in CA for over 30 years. CA generates more than 44 million scrap tires every year. A two-inch RHMA overlay uses about 2,000 scrap tires perlane mile.15.610.95.915.717.934.230.436.329.523.630.5 34.701020304050200020012002200320042005200620072008200920102011201220132014201520162017AmountofRHMA,percentCalendar year352520AB 338 Goals
  15. 15. Recycled Asphalt Pavement (RAP)& Recycled Asphalt Shingles (RAS) Adds recycled asphalt pavement to HMA mix Pilot projects in 2012/2013. Caltrans supports RAP because it is:Cost effective.Reduces the aggregate use preserving landfill space.Reduces green house gases emissions.
  16. 16. Warm Mix Asphalt (WMA)Accomplishment: One Million Tons PavedRHMA-GOGFCRHMA-ODGAC
  17. 17. Recycled Concrete Aggregate (RCA) Used as Base Materials Development of new and revised standards Use of available materials
  18. 18. Supplementary CementiousMaterials
  19. 19. Cold In-Place Recycling
  20. 20. Full Depth Recycling
  21. 21. Pervious Pavement Porous Asphalt Pervious ConcreteCited in threeLeadership in Energyand EnviornmentalDesign (LEED) creditsunder SustainableSites: 5.1 6.1 6.2
  22. 22. Smooth Pavement1. Fuel Efficiency2. New Construction at IRI 60 or less3. Use of Inertial Profiler
  23. 23. Quiet Pavement1. Quality of Life2. Both Asphalt & Concrete Pavementsa. Open Grade Friction Course (OGFC)b. Grindingc. New Generation Groove / Grind
  24. 24. Focus on Pavement Preservation Increase efficiency of project selection:Right pavement strategy at the right timeAgePavementconditionPreservation @ $1Rehabilitation @ $6Reconstruction @ $20
  25. 25. Optimized Preservation PlanPreservation PlanUnattended Pavement0752550100RehabilitationCorrectiveMaintenanceReconstructionPreventativeMaintenanceFairGood/ExcellentPoorPavementConditionIndexTime (Years)0 302010
  26. 26. Asset Management
  27. 27. Worker Safety• Select the Right Strategy– Quality Assurance– Longer Lasting– Would Not Haveto Come Back toRepair or Fix It– Less WorkerExposureto Traffic
  28. 28. On-System Allocations and Projected Allocations(Adjusted for Construction Cost Index, in 11-12 dollars)01,000,0002,000,0003,000,0004,000,0005,000,0006,000,000Allocations($1,000s)Local Bond Other Capacity Increasing SHOPPSHOPPOtherBondLocalActual Projected
  29. 29. Efficiently Managing California Roads!Thank You