managing pavements - tml conference...pavement management overview • street system inventory -...
TRANSCRIPT
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Street Maintenance Program Managing Pavements
Richard E Martinez Assistant Director
Transportation and Public Works Department
October 9, 2019
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Pavement Management Overview
• Street System Inventory- 7,907 LM
• Street Condition Assessments (3 year cycle) • Prioritize Street Construction and Maintenance • Identify the Proper Pavement Treatments • Implement Proper Maintenance Cycles 2
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Service Areas
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Asset Management Pavement Infrastructure
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Pavement Management “The Good, The Bad and the Ugly”
• Maintenance Programs • Decision Making Process
– Data Collection – Asset Management System – Street Selection
• Right Street, Right Time, Right Application
• Barriers – Funding – Resources (Contractors, Materials)
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“The Good”
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“The Bad”
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“The Ugly”
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In-house
• Pothole Repair • Base and Pavement Repair • Concrete Repair • Chip Sealing • Crack Sealing • Asphalt Mill and Overlay • Bridge and Guardrail Repair
Contractual • Bridge Repair- Structural • Asphalt Mill and Overlay • Hot in Place Recycling • Micro-surfacing • Reclamation • Fog Sealing • Joint Sealing • Concrete Restoration
– Class B Repairs – Panel Replacement
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Maintenance Programs
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Concrete Infrastructure Repair
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$ 2.00 Linear Ft
Joint Seal - $21,000 Lane Mile
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Pavement Preservation
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$ 2.10 Sq/Yd $ 0.13 Sq/Yd
Chip Seal - $16,000 Lane Mile Crack Seal -$1,000 Lane Mile
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Fog Sealing
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Seal Coating
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Street Reclamation
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Pothole Repair
High Priority Customer Satisfaction Indicator of Network Conditions
Sustainable Repairs Squared Tacked Compacted
Repaired Within 48 Hours 60% within 24 Hours
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Data Collection Assets Quantity Unit
Bridge/Culvert 422 EA
End of Road Barricade 1,100 EA
Guardrails 166 EA
Pavement 7,907 LM
Pavement Markings 8,591,487 LF
Pavement Symbols 8,775 EA
Railroad Signals 392 EA
ADA Ramps 32,529 EA
Sidewalk 3,638,823 LF
Signal Intersections 916 EA
Signs 127,902 EA
Street Lights 63,613 EA
Traffic Signal Heads 4,832 EA
• Infrastructure Condition Assessment • Customer Service and Work Orders • Advanced Modules
• Risk • Budgeting • Forecasting
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Network Conditions
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Street Selection
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• Asset Condition - Pavements • Asset Segment – Work
Orders • Multimodal Aspects
• Bus Stops, Safe Routes and Proximity to Schools
• Population Density • Bus Stop Ridership –
Sidewalks, Bond Selection • Equity
– Condition
– Proactive Response
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Asset Management Advanced Modules
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• Pavement Deterioration Curve
• Area of Ideal Maintenance • Area of Pavement
Preservation • Area of Recapitalization
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Reactive Maintenance
Time- 25 Years
Pave
men
t Con
ditio
n Preventive Maintenance
Pavement Life Extended
Optimized Maintenance- Asphalt
Rehabilitation / Reconstruction
Expensive Maintenance Zone
Effective Maintenance Zone
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Time- 40 Years
Pave
men
t Con
ditio
n Optimized Maintenance- Concrete
Pavement Life Extended
Reconstruction / Rehabilitation
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Decision Trees - Deduct Factors
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• System Runs Multiple Scenarios • Recommends Funding • Distribution
– Worst First vs Network Effectiveness
• Maintenance Distribution • Rehab Distribution
– Preservation vs Rehabiliation
• Recapitalization Distribution – Bond
Budget and Risk Modules
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Maintenance Cycles
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New Pavement
Crack / Joint Seal
3 Years Flexible 8 Years Rigid
Full Sealant 8 Years Flexible
Rehabilitation
16 Years flexible
17 Years
Rigid
• 25 Year Street Life Cycle - Asphalt – Scheduled Maintenance, Sealants to
Rehabilitation – Recapitalization, Full Reconstruction
• 40 Year Street Life Cycle -
Concrete
– Joint Sealing to Panel Replacement – Recapitalization, Full Reconstruction
• Optimum Maintenance Cycle
– 16 Years- Asphalt – 25 Years- Concrete
• ROI - Minimal Maintenance
• Optimum-Short Cycle
– Deter Rehabilitation Costs
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25
$-
$5,000,000
$10,000,000
$15,000,000
$20,000,000
$25,000,000
$30,000,000
$35,000,000
$40,000,000
FY2017
FY2018
FY2019
FY2020
FY2021
FY2022
FY2023
FY2024
FY2025
FY2026
FY2027
13.2M 13.3M 13.4M 13.4M 13.5M
13.6M 13.6M
13.7M 13.7M
13.7M 13.7M
Current Budget Funding Gap
Streets Funding Gap KPI – 70 Condition Rating
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Preservation or Potholes?