REV100964

• Permit No: C1996083
• IBM Index Class Name: Revision
• Doc Date: 10/18/2002
• Doc Name: Geotechnical Data Report - Bruce Park Dam
• From: GEI Consultants, Inc.
• Type & Sequence: TR22
• Media Type: D
• Archive: No

Table of Contents)
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xecutrve ummary ................................................................................................nt
Section 1 -Introduction ...........................................................................................1
1.1 Purpose ............................................................. ............................................... 1
1.2 Scope of Work .................................................. ............................................... 1
1.3 Background ....................................................... ...............................................1
1.4 Authorization .................................................... ............................................... 2
1.5 Project Personnel .............................................. ............................................... 2
Section 2 - Project Description ...............................................................................3
Section 3 - Geological and Geotechnical Investigations .....................................4
3.1 General ....................................................................... ......................................4
3.2 Geologic Mapping ..................................................... ...................................... 4
3.3 Exploration Borings ................................................... ...................................... 4
3.3.1 Drilling Methods ............................................ ...................................... 5
3.3.2 Logging Procedures ....................................... ......................................5
3.3.3 Packer Testing Procedures ............................. ...................................... 6
3.4 Piezometer Installations ............................................. ...................................... 6
Section 4 -Field Testing Program ..........................................................................7
4.1 General ......................................................................... ....................................7
4.2 Standazd Penetration Test ............................................ .................................... 7
4.3 Pocket Penetrometer Testing ....................................... .................................... 7
4.4 Packer Permeability Testing ........................................ .................................... 8
Section 5 -Laboratory Testing Proaram ...............................................................9
5.1 General ............................................................................................. ................9
5.2 Atterberg Limits ............................................................................... ................ 9
5.3 Mechanical Grain Size Analysis with Hydrometer ......................... .............. 10
5.4 Standard Proctor Compaction .......................................................... .............. 10
5.5 Unconfined Compressive Strength .................................................. .............. 10
5.6 Hydraulic Conductivity, Triaxial Back Pressure Method ................ .............. 10
5.7 Triaxial Sheaz ................................................................................... .............. 11
5.8 Consolidation ................................................................................... ..............11
Section 6 - Geoloav ...............................................................................................13
6.1 Regional Geology .......................................................................................... 13
6.2 Site Geology .................................................................................................. 14
6.2.1 Dam and Reservoir Foundation ......................................................... 14
6.3 Landslide ........................................................................................................14