PERMFILE45400

• Permit No: C1981022
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: PREDICTED D SEAM LONGWALL SUBSIDENCE /ELK CREEK MINE ABEL 1998
• From: Old Exhibit 2.05-E2 Part 6
• Section_Exhibit Name: Exhibit 2.05-E8 Part 4
• Media Type: D
• Archive: No

~~Seam Longwall Subsidence Page 2~ August 17, 1998 •
Table 5 (Continued). Maximum surface subsidence and horizontal strain predictions for
single longwall panel mining.
Panel Virgin Panel Local Local Local Local Local Local Max Hori zontal Strain
Loca- Ground Width Panel Panel Profile Max S,,,,x/ Tens. Strain Comp. Strain
tion Yes or (ft) Depth Width/ Panel Sub Depth Factor Value Factor Value
No (ft) Depth Corr. Sma„ x 106 +E (~lE) -E (~lE)
Ratio Factor fft)

Panel #9
Final No 640 1050 0.610 0.620 7.688 7321 0.76 5564 1.02 7967
E Side No 195m 1000 0.690 0.695 8.772 8772 0.72 6316 0.99 8296
E Side No 1000 0.690 0.695 8.772 8772 0.72 6316 0.99 8296
E Side No 1500 0.927 0.385 9.693 3095 0.80 2476 1.65 5107
E Side Yes 2000 0.320 0.227 2.559 1277 0.73 932 1.92 2952
E Side Yes 2000 0.320 0.227 2.452 1226 0.73 895 1.92 2354
E Side Yes 2000 0.320 0.227 2.452 1226 0.73 895 1.92 2354
W Side Yes 1500 0.927 0.385 9.608 3072 0.80 2958 1.65 5069
W Side Yes 2000 0.320 0.227 2.697 1398 0.73 984 1.92 5898
W Side Yes 2000 0.320 0.227 2.615 1308 0.73 955 1.92 2511
W Side Yes 2000 0.320 0.227 2.595 1298 0.73 998 1.92 2492
Start Yes 2125 0.301 0.208 2.115 995 0.70 696 2.01 2000
Panel #10
Final No 690 1100 0.582 0.580 6.559 5958 0.77 4588 1.13 6733
E Side Yes 195m 1500 0.927 0.385 9.574 3099 0.80 2939 1.65 5031
E Side Yes 2000 0.320 0.227 2.656 1328 0.73 969 1.92 2550
E Side Yes 2000 0.320 0.227 2.533 1266 0.73 929 1.92 2931
E Side Yes 2000 0.320 0.227 2.452 1226 0.73 895 1.92 2354
W Side Yes 1500 0.427 0.385 9.366 2911 0.80 2329 1.65 9803
W Side Yes 2000 0.320 0.227 3.065 1532 0.73 1118 1.92 2941
Start Yes 1950 0.328 0.293 1.859 953 0.79 705 1.90 1811
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