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Materials – Highest & Best Use Public Health Safety The Environment Safety Reliability Performance Flexibility Productivity Improve Mobility Reduce Waste CIWMB
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Combustion & Toxicity Recycled Content Pyrolysis, Gasification & Liquefaction Energy Recovery Devulcanization Civil Engr Uses Increasing Life Span Use of Fiber & Steel Recycled RAC RAC Study Fuel Supplement # of Tires Generated Chemical Effects on Recreational Surfaces Effects on Water Quality Diversion Techniques Mosquito & Vector Control Recycling Conferences Source Reduction Recycling Programs Civil Engr Uses Recreational Surfaces Molded Rubber “Green” Bldg Rubberized Asphalt RMDZ State Parks IWMB Programs End-Use Incentives New Products Asphalt Rubber Modified Binders Moisture Sensitivity Forensic Studies Independent Assurance Training Industry Partnering Lab Testing Maintenance Pavement Design & Rehab Recycled Asphalt Pavement Asphalt Rubber
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Caltrans Presentation Objectives Status report on Caltrans & CIWMB Agreement Evaluation of RAC Processes Tasks/Deliverables/Workplan Associated with the proposed $1.7M CIWMB Grant to Caltrans
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Caltrans & CIWMB Agreement Evaluation of RAC Processes MOU Executed December 2002 Funding Through 5/15/04 Construct a Project With Test Sections of: Dense Graded AC RAC (G) RAC (G-MB) Dry Process
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Caltrans & CIWMB Agreement Evaluation of RAC Processes Purpose of Project: Encourage Other Processes More Processes = More CRM Use Evaluate All RAC types Against AC Implementation of Specifications Constructability Field Performance Lab Performance
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Identifying a Project Develop Project Criteria (size, location, etc) Shortlist of Suitable Caltrans Projects Negotiate with Districts & Maintenance Evaluation of Project Sites (field visit, design, timing) Select Project Transfer Funding to District/Project
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Develop & Provide Specifications and Cross Sections Educate & Assist Engineer and Contractor Layout Evaluation Sites Oversee Construction Prepare Preliminary Report Working with the Project
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Develop Mix Designs for all Materials Test Construction Quality (Are they meeting specifications?) Sample for Performance Tests (Test after project completion) Compare to Prior Data & HVS (As available) Prepare Report Laboratory Testing
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Review Test Sites Annually Throughout anticipated life of pavement Evaluate Test Data vs. Field Performance Report Periodically to CIWMB Interim Reports (end of construction, lab testing, evaluation) Final Report Field Review and Evaluation
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Status of Project Selection Potential Project Identified - Fresno-33 Bid Opened, but not Awarded Meeting with District Personnel to Finalize Arrangements and Funding Pavement Construction Scheduled to Begin in Spring 2004
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Specifications & Cross Sections - Accomplished Location of Test Sections Within the Project Limits – To be determined Materials Testing – Late Fall & Beyond Performance Tests – With project sampled materials (FY 2004/05) Deliverables & Timeline
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Provide Project Construct Test Sites Test Materials Evaluate Performance Report Partnership Agreements
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Caltrans Strategy for $1.7 Million CIWMB Grant Multiple Applications Long-term Performance Feasibility of Recycling Tools & Training
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Caltrans Strategy Task 1 - Product Evaluation Task 2 - Product Implementation Task 3 - Product Deployment
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Task 1 - Overview StrategyTactic Product Evaluation Wet & Dry Technologies Applications New Construction New Construction M&R M&R Recycling Re-Use vs. Disposal Re-Use vs. Disposal Plant Emissions Worker Health & Safety Noise Reduction Synthesis of Best Practices User/Agency Conference Lab Testing Heavy Vehicle Simulator (HVS) Testing (coordinated with UC-Berkeley) Field Validation (Modified Binder Pilot & RAC Warranty Projects) Field Performance Monitoring Life Cycle Cost Analysis (LCCA)
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Task 2 - Overview StrategyTactic ProductImplementation Asphalt Rubber Use Guidelines, Criteria & Specs Materials Pavement Design & Rehabilitation Construction Recycling
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StrategyTactic Product Deployment Training Seminars Caltrans/Industry Partnering Task 3 - Overview
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Deliverables Synthesis – State of Asphalt Rubber Technology & Best Practices Performance & Cost Assessment of Asphalt Rubber Technologies Asphalt Rubber Use Guidelines - Technology & Applications Structural Section Maintenance & Rehabilitation Surface Treatments Pavement Design & Materials Selection Guidelines & Criteria
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Deliverables Materials & Construction Specifications Maintenance Technical Advisory Guidelines (2nd edition) Guidelines for Recycling: Materials Handling, Mix Design, Production & Placement Instructional Materials for Training Seminars
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Budget Task Estimated Cost ($) 1 Synthesis of Best Practices 65,000 Experimental Designs 35,000 Lab & Field Testing 850,000 2 RAC Use Guidelines 75,000 Pavement Design Guidelines 100,000 Recycling Guidelines 100,000 Materials & Construction Specifications 100,000 Maintenance Technical Advisory Guidelines 50,000 3 Develop & Deliver Training 325,000 Total 1,700,000
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Task Month 24681012141618202224 1 Synthesis of Best Practices Experimental Designs Lab & Field Testing 2 RAC Use Guidelines Pavement Design Guidelines Recycling Guidelines Materials & Construction Specifications Maintenance Technical Advisory Guidelines 3 Develop & Deliver Training Schedule
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