1. Daniel Aguirre, PE Senior Vice President

2. Site Conditions

3. A Word From My Sponsor

4. Site Conditions

5. Field Exploration 39 Exploratory Borings (plus or minus 200 foot center) 4.5 to 18 feet in depth Down-Hole Packer Permeability Tests Performed 15 Tests in 7 Locations 3 Infiltration Pads

6. Results Packers Tests – 34 feet per year to 933 feet per year –Average = 374 feet per year Infiltration Tests 100 to 300 minutes per inch –Average = 215 minutes per inch

7. Foundation Treatment

8. Conduits Through Dam

9. And Something More

10. Conduits

12. 8 x 8 Inlet

18. Secondary Principal Spillway

20. Dan – Photos you may want to use

21. Primary Principal Spillway

23. Lessons Learned You Cannot Have Enough Borings If you think you know where the Basalt is…Your Probably Wrong Basalt comes in many Shapes and Hardnesses‘ Basalt Rock is not Uniform

24. 2004 Sketch

25. 2014 Complete

26. Spillway

27. Users

28. Questions? Daniel Aguirre, PE, CFM Senior Vice President 505-348-4000 daniel.aguirre@wilsonco.com www.wilsonco.com daniel.aguirre@wilsonco.com