1. Consideration of Contractor for the Engineering and Environmental Services Contract, IWM-C2044 Presented by: Stacey Patenaude

2. Dixon Landing Interchange

3. Vibration Attenuation Test Pad

4. Valley Transit Authority (VTA) Test Track

5. VTA Vibration Mitigation Track Section

6. FUTURE PROJECTS Riverside County, Route 91 Retaining Walls Promote Vibration Mitigation For Light rail systems Seismic Dampening Research Contract with University of California at Davis (Current)

7. CONTRACT OBJECTIVES Caltrans Standard Provisions accepted Tire Shreds as approved lightweight fill Promote the Use of Shredded Tires in Civil Engineering Applications with Local Governments and Private sector. Continue to educate State, Local and private sector engineers and expand the education opportunity to Institutions of higher learning. Continue research into new uses for shredded tires in civil engineering applications.

8. SELECTION PROCESS Request for Qualifications (RFQ) 3 - Statement of Qualifications (SOQ) received 3- SOQ’s reviewed and scored 3- Contractors interviewed The contractor with the highest scored interview is selected.

9. SUBMITTING CONTRACTORS Chico State University Dana N. Humphrey, Ph.D., P.E. and Project Team Tetra Tech, Inc.

10. CONTRACTOR SELECTED Dr. Dana Humphrey and Team