Integrating Preventive Maintenance and Pavement Management in Kansas

1
Integrating Preventive Maintenance and Pavement
Management in Kansas

• 10th AASHTO/TRB Maintenance Management Conference
• Duluth, MN
• July 13-17, 2003

2
An Integration Success Story?

• KDOT Pavement Management System
• Maximize benefits from dollars spent on
  pavements
• Preventive Maintenance
• A planned strategy of cost effective treatments
  to an existing roadway system and its
  appurtenances that preserves the system, retards
  future deterioration and maintains or improves
  the functional condition of the system (without
  substantially increasing structural capacity)
  -- AASHTO

3
Established Performance Targets

• At least 72 of highway mileage in good
  condition
• No more than 5 in poor condition

4
Annual Condition Assessments

• 10,000 miles
• Automated
• Roughness, Rutting, and Faulting
• Manual
• Cracking and Joint Distress
• 3 Levels for Each Variable Combined to Create
  Distress State

5
Using Benefit to Assign Performance Level
Good PL-1
Poor PL-3
6
Sample Candidate List/Map
7
Sample Candidate Projects Map
8
Sample Roughness Map
9
Sample Faulting, Rutting, and Cracking Map
10
District Implementation

• Must select projects that
• Total up to the district mileage allotment
• Ensures consistency with NOS performance specs
• Consider NOS project recommendation year
• 40 of mileage from Year 2 candidates
• 60 from Years 2 3
• 75 from Years 2, 3, 4
• Note logical versus Pavement Need Projects

11
Success? Condition Over Time
12
KDOT vs Other PMS PM Integration

• No Trigger Values
• No Dedicated PM Funding (originally)
• PMS recommendations for PM
• Gained experience with PM applications
• Steady state recommendation includes 50 PM
• Established Dedicated PM Funding
• 15 months from PMS Recommendation to Letting
• Districts Believe in Preventive Maintenance