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JAN 03, 2018 - 10:10:00 Colorado Backhoe Service <br /> The Orr Pit <br /> Permit#M-2009-074 <br /> 6eotechnical Stability Exhibit <br /> y\0 <br /> Se <br /> N "doe of GoPe odds <br /> 4640 4640 <br /> . . . . . . . . . . . . . . . . . . . <br /> . . . . . . . . . . . . . . . . . . . <br /> . . . . . . . . . . . . . . . . . . . <br /> m m <br /> m4640 ......* ...... * ....... ..... .. ..............* ....... .......* .......* ....... .......* . ...... ................* ....... ....... ....... ....... 4640 m <br /> SURFACE <br /> 4630 — ----- ------------ ---j-------- ---=---j-------- ---=---1------- <br /> Z ...... ...... ....... .. ....... ....... ....... ....... ....... ....... ....... ....... ....... ....... ....... ....... ....... ....... ....... ...... 4630 Z <br /> i 12.0 <br /> 76-2,41 <br /> 4620 MIME FLOOR. 4620 <br /> -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 <br /> SECTION N-5 - 112 H TO IV EXISTING SLOPE - SF=111.44 <br /> y�oPe <br /> nt <br /> 0 <br /> et��n �,ne ye <br /> N ,doe of P ;g��P(oPe�tj o`\�5\AO° <br /> 4640 4640 <br /> < 4640 : 4640 <br /> Z <br /> —5.0 <br /> O -- SURFACE -------------.------- ------------------------------ <br /> Z 4630 ........ ..... .. . ... ...................................................—t............................. ............................... 4630 Q <br /> T ' 21.2s <br /> 12.0LU <br /> w <br /> 4620 : MINE FLOOR: 4620 <br /> -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 <br /> &vw swilan Ka <br /> Orange Line- Worki (1:Islope) <br /> Magenta Line-fines/slope slope(3:1) SECTION N-5 - 3H TO 1V FINAL SLOPE - sf=2.46 <br /> Green Line-Native material friction slope(35°5lope) <br /> Blue Line-Angle from toe of slope to closest structure(gaily House) <br /> used to obtain angle used to calculate the safety factor. Sheet 2 of j <br />