Road Asset Management: Evolution and Trends
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1 Road Asset Management: Evolution and Trends Clinic AC 6 Road Asset Management Gerardo W. Flintsch Associate Professor, The Via Department of Civil and Environmental Engineering Director, Center for Sustainable Infrastructure, VTTI Center for Sustainable Transportation Infrastructure
2 Presentation Overview Center for Sustainable Transportation Infrastructure
3 Center for Sustainable Transportation Infrastructure
4 Motivation Social System Economic System Productive and competitive economies Sustainable economic growth Societal stability / equity Physical Infrastructure Natural Environment
5 Transportation Infrastructure Challenges Deterioration Increasing Demands Shrinking Budgets Increasing Expectations
6 Challenge: Change in Expectations (example: pavements) Performance Measures Multifunction Pavement Safety Comfort Mobility Access Travel time Operation costs Sustainability Energy harvesting
7 The Road Enemies (Caminos, CEPAL) Heavy Vehicles Water
8 What is the solution? Better & more sustainable materials Material design Construction quality More effective design methods Mechanistic-based approaches Innovative financing Balancing risk and responsibilities Systematic Asset Management Maximum benefit for each dollar invested Center for Sustainable Transportation Infrastructure
9 Why Asset Management? We want to have good roads Not this! After Bennett,
10 Center for Sustainable Transportation Infrastructure
11 Asset Management Systematic process of: maintaining, upgrading, and operating physical assets (pavements, bridges, etc.) cost-effectively, efficiently, and comprehensively. Engineering Business-like Objectives Integration
12 Asset Management Evolution Pavement Management Systems (60 s) Principles Bridge Management Systems (80 s) Integration Asset Management Systems Non-physical assets Business-like Objectives Infrastructure Management Systems (90 s)
13 Structure of a PMS (AASHTO, 1991) DATABASE Physical Physical Inventory Inventory Condition Condition Evaluation Evaluation ANALYSIS (AASHTO, 1991) Pavement Pavement Condition Condition Analysis Analysis Priority Priority Assessment Assessment Models Models Optimization Optimization Methods Methods FEEDBACK
14 PMS BMS Common Features (Hudson and Hudson, 1994) DATABASE Inventory Condition ANALYSIS TOOLS Performance Prediction Needs / Life-cycle Optimization / Programming REPORTS PERFORMANCE MONITORING GRAPHICAL INTERFACES
15 Asset Management ov/infrastructure/asst mgmt/amprimer.pdf nsportation.org/am guide.pdf
16 AMS Framework Resource Allocation and Utilization Process (NCHRP 2001) Policy Goals and Objectives System Performance Economic Social & Environmental Asset Classes Highway Bridge Transit Aviation Rail Bike & pedestrian Integrated Analysis of Options and Tradeoffs Goals Safety Preservation Availability Mobility/Reliability Accelerated Projects Types of Investments Capital Operating Maintenance Decision Applying Resources, Investment Choices Financial Human Information Implementation/ Delivery Agency, Intergovernmental Public / Private Partnership Outsource - Privatize Systems Monitoring and Performance Results
17 Key characteristics 1. Policy-driven, performance-based 2. Analysis of options and tradeoffs at each level of decision making 3. Long-term view 4. Decisions based on quality data/ information 5. Monitoring to provide accountability and increase reliability Center for Sustainable Transportation Infrastructure Multiple Criteria Tradeoffs (CS 2002)
18 INFORMATION MANAGEMENT STRATEGIC ANALYSIS Goals & Policies System Performance Economic / Social & Environmental Budget Allocations The Asset Management Process PRODUCTS INVENTORY DATABASE CONDITION USAGE MAINTENANC E STRATEGIES NETWORK-LEVEL ANALYSIS TOOLS CONDITION ASSESSMENT PERFORMANCE PREDICTION PRIORITIZATION / OPTIMIZATION PROGRAMMING PROJECT SELECTION NETWORK-LEVEL REPORTS Performance Assessment Network Needs Facility Life-cycle Cost Optimized M&R Program Performance-based Budget NEEDS ANALYSIS FEEDBACK GRAPHICAL DISPLAYS PERFORMANCE MONITORING WORK PROGRAM EXECUTION PROJECT LEVEL ANALYSIS (Design) CONSTRUCTION DOCUMENTS
19 Center for Sustainable Transportation Infrastructure
20 RMS Framework Bridge / Structures Traffic operation Pavement Safety: crashes Expenditure Programs Roadway Hazards GIS Project Monitoring
21 Enabling Technologies (examples) Data Collection Location Sensing technologies Data Analysis / decision support Data management/ integration Economic-based decision-support tools Proactive approaches - Preservation Sustainability assessment (LCA, etc.) Innovative delivery Performance-based contracting Road Funds Center for Sustainable Transportation Infrastructure
22 Data Collection Degree of Detail/ Quality System Level Data IQL-5 HIGH LEVEL DATA Performance System Performance Monitoring Network IQL-4 Level Data IQL-3 Structure Condition Ride Planning and Performance Evaluation Friction Program Analysis or Detailed Planning Distress Project Level Data IQL-1 IQL-2 Project Level or Detailed Programming Project Detail or Research LOW LEVEL DATA After Bennett & Paterson, 2000
23 Global Positioning System (GPS) Source: Trimble Navigation Limited
24 Pavement Evaluation Technologies Service and User Perception Physical Condition Structural Integrity/ Load-Carrying Capacity Safety and Sufficiency Environmental Serviceability (Roughness) Distress Deflection Friction/ Macrotexture Noise
25 What pavement condition data does your agency collect? NCHRP Synthesis 401, Quality Management of Pavement Condition Data Collection
26 Examples of Bridge Data Collection Technologies Equipment Class Bridge Access Technologies Non-destructive testing (NDT) technologies Digital imaging Equipment Type Hydraulic lifts; Snooper-type trucks; Scaffolds; Diving equipment. Rebound hammer; Probe device; Cover meters/ Pachometers; Infrared thermography; Ground Penetrating Radar Digital Camera; Satellite Imagery.
27 Data Collection Technologies for Road Management management.info/reports/user/6/ DataCollectionTechnologiesReportv2.pdf
28 Data Integration
29 NCHRP Synthesis 335 Pavement Management Applications Using Geographic Information Systems
30 Preservation Courtesy: NCPP Courtesy: NCPP
31 When to Apply a Treatment? CONDITION EXCLENT VERY GOOD GOOD FAIR POOR 75% of service life 40% quality loss AGE (years) 40% quality loss $1 not expended here... Will cost $4 to $5 here
32 New Approach Centered on the User Safety Comfort Mobility Access Travel time Operation costs Sustainability Energy harvesting Performance Measures
33 Output- and Performance-based Road Contracts (OPRC) Contractor has to ensure that road users get a certain Level of Service Level of Service defined in terms of: usability, road surface conditions, safety features, roadside assistance, etc. Specifications included in Contract describe Level of Service expected for each road in the network. Center for Sustainable Transportation Infrastructure After Schliessler, 2007
34 Types of OPRC Programs 1. Projects focused mainly on improving the service of the roads that also utilize small, medium, and large contractors 2. Projects with a significant social component in economically depressed areas that use mostly cooperative micro-enterprises Center for Sustainable Transportation Infrastructure Performance-Based Road Maintenance Contracts for Sub-National Roads: Experience from Latin America
35 Types of OPRCs (PBCs) Type of Program Types of roads Main network function Main program objective(s) Type of performance indicators Type of contractors Type of work included under the PBC National Urban Local Rural Local Mostly high-traffic routes Good geometrical standards Paved and unpaved urban streets Connectivity Mobility Access Reduce transportation costs Promote development Objective, measurable performance parameters Improve service Enhance mobility Provide employment Variable and dependent on the type of network Access roads (many built over ancient walking paths) Access to services/ markets Provide employment Promote development Subjective, fairly general road condition indicators (e.g., passable road, no potholes) Medium or large contractor Small to large contractors Micro- and small enterprises Routine and emergency maintenance (and often rehabilitation) using heavy construction equipment Routine maintenance (and often rehabilitation) Labor-intensive & equipment-based Routine maintenance only using mostly labor-intensive methods Center for Sustainable Transportation Infrastructure
36 Road Funds Several success stories in Latin America Based on a fee-for-service concept Second generation (WB/ IMF): i. Minimizes any adverse impacts on the budget; and ii. Strengthens financial discipline to ensure better value for money. Center for Sustainable Transportation Infrastructure
37 Center for Sustainable Transportation Infrastructure
38 Success Factors for Road Management Systems (The World Bank) Successful projects properly address all three factors
39 Processes Key Success Factor: The RMS must have appropriate functionality and fit into the organization s business processes. To Achieve This: The RMS must be an integral part of the agency s monitoring and planning process Outputs should be used to prepare annual reports to ensure data are regularly collected and the system applied
40 Two Approaches Business Process Analysis Determine the function and role of the PMS in the agency, required features System Design Design the system around the institution s capabilities Select and Adapt/Customize Existing Software Simple analyses Implement and provide ongoing support Correct Approach Select software before project starts or write new software Fit the agency s activities into the software Adopt too intensive data collection Complex system and analyses Wrong (but typical) Approach
41 Technology Key Success Factor: The technology adopted must be appropriate for the institution given its capabilities and resources To Achieve This: System predictions relevant Need a strong IT division or outsource Need an IT strategy RMS must fit into IT strategy RMS must be properly supported from an IT perspective 41
42 Key RMS Components Basic RMS Asset inventory Asset accounting Maintenance management Contract management Resource management Inventory control Condition monitoring Advanced RMS Predictive modeling Risk assessment Treatment options and costs Lifecycle costing Works planning Optimized decision-making Interface data import/export What most countries need What most countries get
43 People Key Success Factor: The RMS must be fully institutionalized and supported To Achieve This: There must be an organizational unit to manage, monitor and continually improve the RMS Unit must have appropriate staff, clear job responsibilities, sufficient budget, clear reporting lines to upper management
44 Center for Sustainable Transportation Infrastructure
45 More automatic data collection
46 Formal Quality Management Procedures for Pavement Condition Data Collection Before Data Collection During Production (Data Collection & Processing) Quality Control After Production Quality Acceptance Independent Assurance
47 Corridor Level Health Indices Pavements Cracking IRI Rutting FWD Data, etc. Structural Functional Environmental Safety Pavement Rating Structural Functional Environmental Safety Bridge Rating Corridor Rating Facilities Toll Plazas Weigh Stations, etc. Safety Features Pavement Markings Signs, etc. Others Serviceability Functional Serviceability Functional Facilities Rating Safety Features Rating
48 More Use of Simulation and Other Advanced Tools Evaluation of different "what if" scenarios. Life Cycle Cost Analysis (RealCosts) Benefit Cost Analysis Life Cycle Assessment
49 Example: Soft Computing-Based Life-Cycle Cost Analysis of Transportation Infrastructure Investments Funded by the National Science Foundation - Gerardo Flintsch & Chen Chen Developed practical rule-based economic analysis (LCCA) tools to support transportation infrastructure asset management Fuzzy-logic MR&R Triggering Algorithm Do-nothing Model Year = Year + 1 Deterioration Model Structure Environment Structure Environment Load Load SC1 SC1 SC2 SC2 FC1 FC1 Year = Year + 1 Priority PCI PSI Thin Overlay Model Thick Overlay Model Fuzzy Policy Model Fuzzy Trigger Model No MR & R Action Life Cycle Co$t Yes ΔSC1 ΔSC1 ΔFC1 ΔFC1 ΔSC2 ΔSC2 Priority PCI PSI Priority PCI PSI Center for Sustainable Transportation Infrastructure
50 Multifunctional Pavements /Roads Safety Comfort Mobility Access Travel time Operation costs Performance Measures Multiple Objectives Minimize the agency s cost Maximizing the network performance Increasing safety Many Challenges/ Constraints Center for Sustainable Transportation Infrastructure
51 Multi-Objective Cross-Asset Optimization Strategic Level Resource Allocation Asset Inventory Network Level Resource Allocation + Utilization Project Level
52 More use of output and performance-based approaches with a bigger role of the private sector Pavement Warranties Performance-based maintenance contracts Public-private partnerships Concessions / Toll roads Center for Sustainable Transportation Infrastructure
53 Integrated Networks Approach to Infrastructure Asset Management Uncovering Network Interdependencies and Synergies (UNIS)
54 Decision Support Tools that Incorporate Sustainability Goals Economy Economic Analysis Life-Cycle Cost Analysis (LCCA) Benefit/Cost, etc. HERS-ST RealCost HDM 4 Environment Life-Cycle Assessment (LCA) PaLATE Grading Systems Greenroads Equity Analysis of Social Impacts, etc. Dwight David Eisenhower Transportation Program Grant for Research Fellowship (GRF)
55 Sustainability Considerations INFORMATION MANAGEMENT STRATEGIC ANALYSIS Goals & Policies System Performance Economic / Social & Environmental Budget Allocations Economic, Social and Environmental Impacts INVENTORY DATABASE CONDITION USAGE MAINTENANC E STRATEGIES NETWORK-LEVEL ANALYSIS TOOLS CONDITION ASSESSMENT PERFORMANCE PREDICTION PRIORITIZATION / OPTIMIZATION PROGRAMMING PROJECT SELECTION PRODUCTS NETWORK-LEVEL REPORTS Performance Assessment Network Needs Facility Life-cycle Cost Optimized M&R Program Performance-based Budget FEEDBACK NEEDS ANALYSIS GRAPHICAL DISPLAYS PERFORMANCE MONITORING WORK PROGRAM EXECUTION PROJECT LEVEL ANALYSIS (Design) CONSTRUCTION DOCUMENTS
56 Sustainability - FHWA Definition Sustainable Transportation means: providing exceptional mobility and access in a manner that meets development needs without compromising the quality of life of future generations. A sustainable transportation system is safe, healthy, affordable, renewable, operates fairly and limits emissions and the use of new and nonrenewable resources. Sustainable Intermodal Transportation
57 Example of Simplified Index: Greenroads Steve Muench,
58 More Use of Green Materials Porous Pavements Bio-Asphalts Asphalt rubber Warm-Mix Technologies Photocatalytic pavements Center for Sustainable Transportation Infrastructure
59 Questions?
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