Condition Assessment Presented by: John J. Jackman, P .E. - - PowerPoint PPT Presentation
Condition Assessment Presented by: John J. Jackman, P .E. Associate - Asset Management Specialist Benjamin B. Horner, P .L.S. Associate - Senior Designer Agenda Inspection vs. Condition Benefits Developing Condition
Presented by:
.E. Associate - Asset Management Specialist
.L.S. Associate - Senior Designer
Acceptable Standard
About Current and Future Performance
Deterioration Curve
Expenditures
Capital Improvement Decisions
Smoke Testing
Break Hole
Roots Grease
Connections)
Smoke Testing
Grade Condition Comment 5 Immediate Attention Defect Requires Immediate Attention 4 Poor Severe Defects that will Become Grade 5 Defects within the Near Future 3 Fair Moderate Defects that will Continue to Deteriorate 2 Good Defects that have not Begun to Deteriorate 1 Excellent Minor Defects
Grade Condition Performance 5 Immediate Attention Collapsed or Collapse Imminent 4 Poor Collapse Likely in Foreseeable Future 3 Fair Collapse Unlikely in Near Future 2 Good Minimal Collapse Risk 1 Excellent Acceptable Structural Condition
Airport Runways and Taxiways Roads and Highways
Weight Index (Wi) Severity of Distress (Si) Density of Distress (Di)
Very Slight Slight Moderate Severe Very Severe Few Intermittent Frequent Extensive Throughout <10 10-20 20-40 40-80 >80
Pavement
Wi 1 2 3 4 5 1 2 3 4 5 Surface Defects Raveling & loss of surface aggregate 3.0 Flushing 1.5 Surface Deformations Rippling and Shoving 1.0 Wheel Track Rutting 3.0 Distortion 3.0
Cracking
Longitudinal Wheel Track Single and Multiple 1.5 Alligator 3.0 Centerline Single and Multiple 0.5 Alligator 2.0 Pavement Edge Single and Multiple 0.5 Alligator 1.5 Transverse Half, full and multiple 1.0 Alligator 3.0 Longitudinal-meander or mid-lane 1.0 Random 0.5
Fitness
Replacement Cost