REV89630

• Permit No: C1996083
• IBM Index Class Name: Revision
• Doc Date: 3/1/2004
• Doc Name: South Permit Boundary Rockfall Hazard Evaluation Project No. 24-004
• Type & Sequence: TR31
• Media Type: D
• Archive: No

tical Analysis - D:\Yeh Public files\2004\24-004 Bowie Mine Rockfa112~Rockfall S 11-S 14 Jan 04\CRSJ
• Analvsis Point 1
Analysis Point 1: X = 569, Y = 6521
Spherical Rock: 5-ft dia., 10145-Ib
Total Rocks Passing Analysis Point: 100
Cumulative Probability Velocity (ft/sec) Energy (ft-Ib) Bounce Height (8~
50% 82.47 1403665 3.44
75% 88.07 1568560 5.07
90% 93.1 1716873 6.54
95% 96.12 1805915 7.42
98% 99.51 1905848 8.41
Note: Velocity and kinetic energy aze analyzed assuming a normal distribution
Bounce height is analyzed assuming a log distnbution.