GENERAL43689

• Permit No: M1977004
• IBM Index Class Name: General Documents
• Doc Date: 1/10/2003
• Doc Name: Pitch Reclamation Project
• From: Homestake Mining Company
• To: DMG
• Media Type: D
• Archive: No

Pitch Reclamation Project -Sediment Control Embankment November, 2002
• Table of Contents
Table of Contents .............................................................i
1.0 INTRODUCTION ...........................................................1
1.1 Background .......................................................1
1.2 Scope of Work .....................................................2
1.3 Scope of Report ....................................................2
2.0 SEDIMENT CONTROL EMBANKMENT AND POND ................................ 2
2.1 General ...........................................................2
2.2 Embankment Description ............................................ 3
3.0 FIELD OBSERVATIONS AND EXPLORATION ..................................... 4
3.1 General ...........................................................4
3.2 Field Observations -September 2000 ................................... 5
3.3 Piezometer installation .............................................. 7
4.0 STABILITY ANALYSIS ......................................................8
4.1 General ...........................................................5
4.2 Slope Geometry ....................................................9
4.3 Input Parameters ................................................... 9
4.4 Case Studies and Results ............................................ 10
5.0 EMBANKMENT REPAIR EVALUATION ....................................... 13
5.1 General ..........................................................13
5.2 Seepage Control Alternatives ........................................ 14
The Homestake Mining Company -t- The Glasgow Engineering Group, Inc.