Daniel Aguirre, PESenior Vice President

Site Conditions

A Word From My Sponsor

Site Conditions

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

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

Foundation Treatment

Conduits Through Dam

And Something More

Conduits

Conduits

8 x 8 Inlet

8x8 Inlet

8x8 Inlet

8x8 Inlet

8x8 Inlet

8x8 Inlet

Secondary Principal Spillway

Secondary Principal Spillway

Dan – Photos you may want to use

Primary Principal Spillway

Primary Principal Spillway

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

2004 Sketch

2014 Complete

Spillway

Users

Questions?

Daniel Aguirre, PE, CFMSenior Vice President

505-348-4000daniel.aguirre@wilsonco.com

www.wilsonco.com