2015-01-09_PERMIT FILE - C1996083A

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 1/9/2015
• Doc Name: TABLE OF CONTENTS
• Section_Exhibit Name: Volume I Table of Contents
• Media Type: D
• Archive: Yes

VOLUME IV
TABLE OF CONTENTS
SECTION PAGE
1.0 INTRODUCTION ........................................................................ ............................... 1
2.0 SITE CONDITIONS .................................................................... ............................... 2
2.1 SURFACE CONDITIONS .................................................. ............................... 2
2.2 SUBUSRFACE CONDITIONS ........................................... ............................... 3
3.0 DESIGN PARAMETERS .............................................................. ..............................5
4.0 DESIGN ASPECTS .................................................................... ............................... 6
4.1 CONSTRUCTION .............................................................. ............................... 6
4.1.1 General .................................................................. ..............................6
4.1.2 Underdrain System ............................................... ............................... 7
4.1.3 Haul Roads ............................................................ ..............................8
4.1.4 Runoff Control Ditches ....................................... ............................... 10
4.1.5 Material Balance /Material Stockpile ................... ............................... 12
4.2 SEDIMENT POND ........................................................... ........................13 -13i*
4.2.1 Hydrology ............................................................. .............................14
4.2.2 Sedimentology ...................................................... .............................15
4.2.3 Estimated Sediment Pond Volumes ..................... .............................17
4.2.4 Sediment Pond Embankment ............................... .............................17
4.2.5 Sediment Pond Dewatering .................................. .............................18
4.2.6 Maintenance ......................................................... .............................19
4.3 SLOPE STABILITY .......................................................... ............................... 20
4.3.1 Groundwater Conditions ..................................... ............................... 20
4.3.2 Material Properties ............................................. ............................... 20
4.3.3 Sediment Pond Slope Stability ........................... ............................... 22
4.3.4 Results .................................................................. .............................22
5.0 RECLAMATION ........................................................................ ............................... 24
6.0 USE OF THIS REPORT ........................................................... ............................... 25
7.0 REFERENCES ........................................................................... .............................26
* The Gob Pile Sediment Pond is also known as `Pond D'. As part of TR -43, Pond D was
redesigned, and the supporting documentation for the new design is no lonaer Part of this
Volume. The PHC for Pond D is located in Volume lll, pages Exh. 8 -17 through 19, the
SEDCAD output is now located in Volume lll, pages 207 & 208. The upland runoff areas are
shown on Map 20 in Volume ll.
PR -12 vii 06/10
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