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

Analysis - D:\Yeh Public files\2004\24-004 Bowie Mine Rockfa112\Rockfall S 11-514 Jan 04\CRS)
• Analysis Point 1
Analysis Point 1: X = 575, Y = 7039
Spherical Rock: 5-ft dia., 10145-1b
Total Rocks Passing Analysis Point: 60
Cumulative Probability Velocity~,ft/sec) Energ~(ft-Ibl Bounce Hei hg t (ftl
50% 51.35 574951 0.17
75% 55.33 656302 3.24
90% 58.9 729473 6
95% 61.04 773402 7.66
98% 63.45 822705 9.52
Note: Velocity and kinetic energy aze analyzed assuming a normal distribution.
Bounce height is analyzed assuming a log distribution.