PERMFILE116326

• Permit No: C1984063
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: APPENDIX M SUBSIDENCE PREDICTION AT THE EASTSIDE COAL COMPANY
• Media Type: D
• Archive: No

• • J •
TABLE 2
RESULTS ON REBOUND HANMER TESTS
Rebound
Max. Correc. Strength, sR
Site Teet Place of Test Type of Rock Hae,ner Posi.tlon Rebound R:.bound Remarks
No. No. Height Height psi MPa
1 2 3 4 5 6 7 8 9 10
1 1 Coal face 200' Bituminous Horiz. 53.6 - 3,500 24,115
fro.; ~ , ~e Coal
portal
2 1 Roof Shales Horiz. 45.25 - 7,800 53,800