Type B TDA

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CIWMBCIVIL ENGINEERING APPLICATIONSTIRE
DERIVED AGGREGATE (TDA) PROGRAM
November 15, 2006 Agenda Item 3
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Completed TDA Lightweight Embankment Fill
Projects
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Lightweight Embankment Fill Dixon Landing S880 On
Ramp
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Dixon Landing/HWY 880 Interchange Year 2000
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660,000 Tires
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Saving to State 240,000
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TDA VIBRATION ATTENUATION APPLICATIONS
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Vibration Mitigation Test Pad 1999
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Conventional Vibration Mitigation Technology
800/ft
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TDA Vibration Mitigation 150/ft
VTA-Vasona Line Extension 2001
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VTA VASONA LINE Light Rail Savings 1,000,000

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TDA- Retaining Wall Projects
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Lightweight Backfill Behind Retaining
Walls Riverside, Ca
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ROUTE 91 RETAINING WALL PILOT PROJECT 1
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• 86,000 TIRES

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Hwy 215 Riverside, Retaining Wall 207- Pilot
Project 2
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(No Transcript)
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RETAINING WALL 207
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Retaining Wall 207
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150,000 Tires
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TDA Landfill Gas Collection Applications
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Landfill Gas Collection Trenches, Replace Gravel
w/Type A TDA

• Type A for Gravel Replacement
• Oversize Auger for Vertical Wells
• Geo-textile seperater between TDA and Soil or
  Fine Material

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Chiquita Landfill Gas collection System
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• Gas Collection System,
• Gravel Replacement

150,000 Tires
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Gas Collection System, Trench-less, Type B TDA

• High Permeability
• Cost savings
• Recycling (100 Tires 1.5 cy)

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Altamont Pass Landfill Gas Collection System
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FUTURE TDA PROJECTS
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NEW TYPE 1T RETAINING WALLProject 3
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Mendocino Co. Marina Dr. Slide Repair Project
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Marina Dr.
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Jenner, Sonoma Co. La Porte Dr. Slide Project
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La Porte Dr.
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HWY 101, Red Crest at EEL RiverLandslide Repair
Project
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Any Questions?