Using Measure to Create a Capital Pavement Preservation Program
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Transcript of Using Measure to Create a Capital Pavement Preservation Program
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EVOLVING DEMANDSEVOLVING DEMANDS
• Highway Usage Increased 29% in the 1990’s
• Truck Traffic Increased 40% in the 1990’s
• Truck Traffic Will Increase 3% per year in next 20 years
• Highway Usage Increased 29% in the 1990’s
• Truck Traffic Increased 40% in the 1990’s
• Truck Traffic Will Increase 3% per year in next 20 years
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CONSEQUENCESCONSEQUENCES
• Operating Revenues Can’t Keep Pace with Needs
• Highway Agencies Face Increasing Demands with Decreasing Resources
• Operating Revenues Can’t Keep Pace with Needs
• Highway Agencies Face Increasing Demands with Decreasing Resources
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The Solution: The Solution:
Pavement PreservationPavement Preservation
Improves the Performance of the Network while Spending Less Program Dollars
Improves the Performance of the Network while Spending Less Program Dollars
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Reference:Reference:
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MEASUREMEASURE
• Terminology• Terminology
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Is there terminology confusion?Is there terminology confusion?
• Design Life
• Service Life
• Life Extension
• Routine Maintenance
• Preventive Maintenance
• Minor Rehabilitation
• Design Life
• Service Life
• Life Extension
• Routine Maintenance
• Preventive Maintenance
• Minor Rehabilitation
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Preventive Maintenanceis a component of
Pavement Preservation
Preventive Maintenanceis a component of
Pavement Preservation
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Pavement Preservation Programs encompass:
Pavement Preservation Programs encompass:
• Corrective & Routine Maintenance
• Preventive Maintenance
• Minor Rehabilitation
• Corrective & Routine Maintenance
• Preventive Maintenance
• Minor Rehabilitation
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Pavement Preservation components include:
Pavement Preservation components include:
• Pavement Management Systems
• Long-Term Network Planning
• Optimization
• Cost-Effective Decision Making
• Sustainable Financing
• Pavement Management Systems
• Long-Term Network Planning
• Optimization
• Cost-Effective Decision Making
• Sustainable Financing
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RehabilitationMinor RehabMinor Rehab
Extends LifeExtends Life
1545
0
30
TIMER
1545
0
30
TIMER
Adding More Time
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RehabilitationMajor RehabMajor Rehab
Originates LifeOriginates Life
1545
0
30
TIMER
1545
0
30
TIMER
Initiating Time
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Preventive Maintenance is NOT about
Maintenance as Usual
Preventive Maintenance is NOT about
Maintenance as Usual
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Rehabilitation TriggerRehabilitation Trigger
Original PavementOriginal Pavement
The Pavement Preservation ConceptThe Pavement Preservation Concept
VeryGood
Good
Fair
Poor
VeryPoor
Time (Years)Time (Years)
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MEASUREMEASURE
• Business Processes• Business Processes
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Preventive Maintenance Projects Need a Different Business ProcessPreventive Maintenance Projects
Need a Different Business Process
• Faster Scoping & Designs(Lower PE costs)
• Blanket Clearances• Expedited Project Reviews• Shorter Construction Duration
(Lower CE costs)
• Faster Scoping & Designs(Lower PE costs)
• Blanket Clearances• Expedited Project Reviews• Shorter Construction Duration
(Lower CE costs)
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Preventive Maintenance Projects Need a Different Business ProcessPreventive Maintenance Projects
Need a Different Business Process
• Uniform Specifications• Standard Traffic Control• Abbreviated Advertisements
• Uniform Specifications• Standard Traffic Control• Abbreviated Advertisements
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Chip SealChip Seal
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Crack SealingCrack Sealing
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MEASUREMEASURE
• Integration of Preventive Maintenance into the Pavement Management System
• Integration of Preventive Maintenance into the Pavement Management System
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Quality DataQuality Data
• Network Condition
• Planning
• Network Condition
• Planning
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PavementManageme
ntDecisionTriangle
PavementManageme
ntDecisionTriangle
Preventive MaintenancePreventive
Maintenance
RehabilitationRehabilitation ReconstructionReconstruction
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“Mix of Fixes” Approach“Mix of Fixes” Approach
• Reconstruction
• Rehabilitation
• Preventive Maintenance
• Reconstruction
• Rehabilitation
• Preventive Maintenance
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Reconstruction StrategyReconstruction Strategy(20, 25, & 30 Year Fixes)(20, 25, & 30 Year Fixes)
Reconstruction StrategyReconstruction Strategy(20, 25, & 30 Year Fixes)(20, 25, & 30 Year Fixes)
0102030405060708090
100
0 10 20 25 30
PoorPoor FairFair GoodGood
Pe
rce
nt
of
To
tal N
etw
ork
5 15 35 40Years
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CombinedReconstruct and Rehab Strategy
(10 to 30 Year Fixes)
CombinedReconstruct and Rehab Strategy
(10 to 30 Year Fixes)
0102030405060708090
100
Poor Fair Good
Pe
rce
nt
of
To
tal N
etw
ork
0 10 20 25 305 15 35 40Years
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Combined Reconstruct, Rehab &Preventive Maintenance Strategy
(5 to 30 Year Fixes)
Combined Reconstruct, Rehab &Preventive Maintenance Strategy
(5 to 30 Year Fixes)
0102030405060708090
100
Poor Fair Good
Pe
rce
nt
of
To
tal N
etw
ork
0 10 20 25 305 15 35 40Years
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Index Pavement Type
Maximum
Ride Interstate Concrete
400 in/mi
Interstate Asphalt
350 in/mi
All Others 675 in/mi
Rut All 0.95 in
Alligator Cracking
Asphalt 50 ft2/mi
Block Cracking Asphalt 200 ft2/mi
Fatigue Cracking Asphalt 100 ft2/mi
Load Associated Longitudinal Cracking
Asphalt 200 ft2/mi
Transverse Cracking
Asphalt 110 (counts)
Concrete 70 (counts)
Longitudinal Cracking
All 2,000 ft
Corner Breaks Concrete 50 (counts)
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MEASUREMEASURE
• Commitment of Leadership• Commitment of Leadership
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Indicators of Commitment:Indicators of Commitment:
• Dedicated Budget
• Long-Term Strategy
• Assignment of a Champion
• Support the Change
• Dedicated Budget
• Long-Term Strategy
• Assignment of a Champion
• Support the Change
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MEASUREMEASURE
• Training• Training
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Training is needed for:Training is needed for:
1. Department Personnel• Maintenance• Design• Construction• Materials• Planners • Contract Agencies
2. Contractors
1. Department Personnel• Maintenance• Design• Construction• Materials• Planners • Contract Agencies
2. Contractors
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Training Needs:Training Needs:
• Terminology
• Pavement Indicators for Preventive Maintenance
• Treatment Characteristics
• Work Zone Development
• Inspection
• Terminology
• Pavement Indicators for Preventive Maintenance
• Treatment Characteristics
• Work Zone Development
• Inspection
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Training Needs:Training Needs:
• Network Level Planning
• Project Level Planning
• Network Level Planning
• Project Level Planning
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MEASUREMEASURE
• Validation of Program• Validation of Program
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PMS Data Point
VeryGood
Good
Fair
Poor
VeryPoor
Time (Years)
Life Extension
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Georgia’s ResultsSmoothness Trend in AC Overlays
350
500
650
800
950
1100
1250
72 74 76 78 80 82 84 86 88 90 92 94 96 98
Fiscal Year
IRI
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Validation of SuccessValidation of Success
• Achieve “Life Extension“ Results
• Lower Rate of Deterioration
• Network Condition Improves
• Fixes are Cost Effective
• Achieve “Life Extension“ Results
• Lower Rate of Deterioration
• Network Condition Improves
• Fixes are Cost Effective
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Validation of BenefitsValidation of Benefits
• Increased User Satisfaction
• Improved System Safety
• Reduced Cost/Mile Expenditures
• Lower Life Cycle Cost
• Increased User Satisfaction
• Improved System Safety
• Reduced Cost/Mile Expenditures
• Lower Life Cycle Cost
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