2022-01-19_REVISION - M1976007UG ‎(135)‎

• Permit No: M1976007UG
• IBM Index Class Name: Revision
• Doc Date: 1/19/2022
• Doc Name: Comment/Objection
• From: Ian Wilson
• To: DRMS
• Type & Sequence: CN1
• Email Name: ECS
• Email Name: MAC
• Media Type: D

Page v
Mt Arthur Coal Open Cut Modification (Project No. G1602)

TABLE OF CONTENTS
(Continued)
Page No.

Figure 31: Transient Verification Hydrographs Associated Permian Coal Measures West and South of the Modification .................. 63
Figure 32: Water Table Drawdown at Year 2026 ................................................................................................................................ 68
Figure 33: Drawdown Associated with the Mine Modification .............................................................................................................. 69
Figure 34: Prediction of Groundwater Inflow into the Pits .................................................................................................................... 70
Figure 35: Flow Path Analysis from the Hunter River Alluvium ............................................................................................................ 72
Figure 36: Groundwater Seepage Rates to/from Hunter River and Saddlers Creek Alluvium ............................................................. 73
Figure 37: Closure Landform ............................................................................................................................................................... 77
Figure 38: Schematic of the Final Void Recovery Model ..................................................................................................................... 79
Figure 39: Pit Lake Recovery Levels ................................................................................................................................................... 80

Attachments:

Appendix 1: Registered Bore Summary
Appendix 2: Validation Results
Appendix 3: Model Verification Hydrographs