USTC&TBA La Jolla, CA December, 8, 2003

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Track Construction & Reconstruction: Asphalt Overlay Issues vs. Removal & Replacement

USTC&TBA La Jolla, CA December, 8, 2003

2

Session Overview

Defining Owner’s Goal & ObjectivesSite Assessment & Design ConsiderationsStructural Overlay / Reconstruction

USTC&TBA La Jolla, CA December, 8, 2003

3

Defining Owner’s Goal & Objectives

What is the most critical aspect in this step????SHUT-UP & LISTEN!!!

USTC&TBA La Jolla, CA December, 8, 2003

4

Defining Owner’s Goal & Objectives

Track rehabilitation represents a significant investment to the Owner Are their goals short term or long

term What is their budget –

How was it established Budget = Goals?

USTC&TBA La Jolla, CA December, 8, 2003

5

Defining Owner’s Goal & Objectives

You now know their budget & goals –address the following to establish the

relationship

Likes/Dislikes of Existing FacilityPerformanceAppearance / PrestigeServiceabilityDecision Makers – Business

Manger or Athletic Director

USTC&TBA La Jolla, CA December, 8, 2003

6

Site Assessment / Design Considerations

Historical How was it constructed When was it constructed How has it been maintained Modifications

USTC&TBA La Jolla, CA December, 8, 2003

7

Site Assessment / Design Considerations

Geotechnical Define various components Define soil conditions and suitability

Existing Conditions Track Layout / configuration of events Control Points-related to elevation

USTC&TBA La Jolla, CA December, 8, 2003

8

Site Assessment / Design Considerations

Existing Conditions (cont.) Control Points-related to structures

Failure Mode Cracking Distortion

USTC&TBA La Jolla, CA December, 8, 2003

9

Site Assessment / Design Considerations

Failure Mode (cont.)

Drainage Delamination caused by moisture Define drainage characteristics Subsurface drainage requirements

Climatic Considerations Temperature variations Freeze – thaw cycles Rainfall events

USTC&TBA La Jolla, CA December, 8, 2003

10

Structural Overlay or Reconstruction

Overlays are an option if-- Existing layout is satisfactory Track and field guidelines are met Removal of existing synthetic surface Increased elevation is acceptable Existing structure will survive

construction process

USTC&TBA La Jolla, CA December, 8, 2003

11

Structural Overlay or Reconstruction

Reconstruction is required if--- Significant modifications to layout is required Existing structure will not survive construction

process

Owner’s Goals Review of life cycle cost benefits

How well has this pavement structure performed Costs associated with rehab options vs. expected life Has life cycle cost objectives been met

USTC&TBA La Jolla, CA December, 8, 2003

12

Structural Overlay or Reconstruction

Constructability Issues

USTC&TBA La Jolla, CA December, 8, 2003

13

Conclusion

Put your knowledge to work for you!! Stress experience! Talk about successes! Talk about problem projects and how

issues were resolved! Stress your USTC&TBA Involvement! BE PROFESSIONAL!!!

USTC&TBA La Jolla, CA December, 8, 2003

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