Austin Bridge Road Paving the 1 st

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Austin Bridge & Road Paving the 1 st Formula One Purpose Track in the United States The 1 st Formula One Track in the World to be 3 D Paved Matthew Hollensworth – Cody Lowery – Mike Ellingson

Austin Integrity Performance Safety Responsibility Employee. Ownership 100 Years in the industry 25 years of employeeownership

Market Segments Heavy highway Aviation Heavy rail Light rail Site improvements Sub-divisions Tollways Race tracks

Formula 1 Racing

F 1 Car / Driver Michael Schumacher 2004 World’s Highest Paid Athlete Retires in 2012 > 220 MPH 1” – 2” Ground Clearance

2012 Race Circuit

COTA Project Data

Quantities

The Layers of the Track

3 D Asphalt Paving

Our Strategy to 3 D Paving Ø Research available 3 D paving products Ø Decide the best fit for our company’s needs Ø Develop procedures and processes for our new paving system (including evaluating, training, and adding the right personnel) Ø Getting the buy in from Dr. Hart Ø Testing, trusting, and trying our new equipment Ø Exceling with our new product

Current Platform

Interchangeable Components Total Station Robotic CB 460 3 D Control Box The Right Grade Control Equipment TSC 3 Data Collector

Trimble PCS 900 System UTS LEFT UTS Right Machine Radio CB 460 3 D Display CB 440 Sonic Tracer or Ski VM 200 Valve Module CB 440 AS 200 Slope Sensor Sonic Tracer or Ski

Sub-Grade Topo § Placeholder for list item A topo of the site is performed and a cut sheet is generated

Processing Data & Un-Compacted Design

Multiple Setups / Accurate Control

Placing Base Material Applications Beyond Asphalt

Placing Base Material Very Successful Application

3 D Paving on Asphalt 1 st Course

Checking – Checking 1 st Course / Also Topo Shots

Paving Curves Turn 1

Paving Under Bridges

Tangent – Curve – Widening

All Up Hill

3 D Milling

Bad Design Data

Good Design Data

Intelligent Repairs Working w/ Design Changes

All in one day – All at the same time

How Did We Do? § § § Outstanding safety performance Met financial objectives Opportunity “Track is awesome”, Dr. Rainer Hart “One of the top two tracks in the world”, Tilke Eng. § “Love it”, Mario Andretti § “Highest Rating”, Fédération Internationale de l'Automobile (FIA) § “Greatest racetrack on the planet”, The Tom Byrum

Learning Curves § § Control is Critical Modeling Methods Training Techniques 3 D Paving is NOT a grading tool (Sub-Grade is important) § 3 D Equipment is still limited to the capabilities of the paving machine (roller were added to tow arms to prevent binding) § Having an Extra Data collector made all the difference

Other Race Tracks (HWY 183 Ft. Worth, TX Average Race Speed 90 mph in a F 150)

Access Limitations

Managing Quantities

Mario Andretti 1 st Ceremonial Lap

Q&A

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