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M 0 E7 Z 0 tU Q < Q � N n 0 n tA Lt O T3 3 N N Z 0 3 in 3 3 Q � i A � 1 I W l UI 3 D � Q :U N I D W C U1 0 %a N 10 f r r L L CD N o o cn \ \ 0 0 o .- v = M 0 1l D 0O 7C £ rl Z 1'T t7 tC1 tj to W � { r 3 A Z7 1U \ fU W \ m 0 0 C 0 0 IV 0 0 ;;u 0 a1> C/od 00 (� d O E-1 C V J I D T) RIPRAP (if required) Geotextile Fabric CU 1 112" Washed Rock —/ 4" Per-Poratedi Pipe cu FRENCH DRAIN DETAIL ROADSIDE S❑UTF -1 DITCHES Section Side Slopes GEOTEXTILE FABRIC MAP.AFI 60OX OR EQUAL (if riprop is required) Sections A Stvpe 20:1 Depth Riprap (ss) A - A' 1.5 + 1 B - B' 1.5 : 1 C - C' 1.5 1 D - D' 2.0 1 E - E' 2.0 1 F - F' 1.5 1 G - G' 2.0 1 H - H' 2.0 1 I - I' As Shown J - J' As Shown GEOTEXTILE FABRIC MAP.AFI 60OX OR EQUAL (if riprop is required) Sections A Stvpe 20:1 Depth Riprap w /Freeboard (in) 3.5' 9 3.5' 15 3.5' 9 1.5' None 1.75' None 3.5' 18 1.5' 9 1.5' 12 0.73' None 0.64' None A' Through H SCALE; 1' = 5' SEE EXHIBIT 6C H' Sections I - I' Through J - J' SCALE; V = 5' SEE EXHIBIT 6C POWDERH ❑RN COAL COMPANY P.O. Box 1430, Palisade, CO 81526 L a 0 4 d L L L- 3 s a+ CL ON C=1 4860 4850 4840 4830 4820 4810 4800 4790 4780 4770 4760 4750 4740 1 4910 4900 4890 4880 4870 4860 4850 4840 4830 4820 4810 DITCH SECTION A - A' / 4910 4920 4900 4910 FINAL GROUND SURFACE 4900 HIGHWALL C ELEVATION HIGHWALL CREST ELEVATION 4870 - -I EXISTING_ GROUND SURFACE 7 - FRENCH DRAIN SYSTEM _ I 4830 4840 4820 a L 0 O s L L L� a s CL v ra SECTI ❑N L - L' HORIZONAL SCALE; 1' = 100' VERTICAL SCALE; 1' = 20' SEE EXHIBIT -6C 4860 4850 4840 4830 4820 4810 4800 4790 4780 4770 4760 4750 4740 4920 4910 4,900 4890 4880 4870 4860 4850 4840 4830 4820 4810 4800 4790 4780 4770 4760 4750 SECTI ❑N K - K' SCALE; V = 20' SEE EXHIBIT -6C DITCH SECTION A - A' FINAL GROUND SURFACE PORTAL EXISTING GROUND SURFACE 3 SECTI ❑N M - M' HORIZONAL SCALE; 1' = 100' VERTICAL SCALE; 1' = 20' SEE EXHIBIT -6C r000 RED d o • ^e I •e 4jeu n 0 ° ENGINEER'S CERTIFICATION I hereby certify that this drawing was done by me or under my %110 o 10�' 4 direct supervision and that all of the information presented on ��• o ° this drawing is correct to the best of my knowledge and belief. kiqtr, Colorado P.E. 19230 Z ate 2.5 I 4920 4930 4910 4920 4900 4910 FINAL GROUND SURFACE 4900 4880 4890 4870 - -I EXISTING GROUND SURFACE 7 - 4860 _ I 4830 4840 4820 4830 4810 4820 4800 4810 4790 4800 4780 J a L 0 O s L L L� a s CL v ra SECTI ❑N L - L' HORIZONAL SCALE; 1' = 100' VERTICAL SCALE; 1' = 20' SEE EXHIBIT -6C 4860 4850 4840 4830 4820 4810 4800 4790 4780 4770 4760 4750 4740 4920 4910 4,900 4890 4880 4870 4860 4850 4840 4830 4820 4810 4800 4790 4780 4770 4760 4750 SECTI ❑N K - K' SCALE; V = 20' SEE EXHIBIT -6C DITCH SECTION A - A' FINAL GROUND SURFACE PORTAL EXISTING GROUND SURFACE 3 SECTI ❑N M - M' HORIZONAL SCALE; 1' = 100' VERTICAL SCALE; 1' = 20' SEE EXHIBIT -6C r000 RED d o • ^e I •e 4jeu n 0 ° ENGINEER'S CERTIFICATION I hereby certify that this drawing was done by me or under my %110 o 10�' 4 direct supervision and that all of the information presented on ��• o ° this drawing is correct to the best of my knowledge and belief. kiqtr, Colorado P.E. 19230 Z ate 2.5 I 4920 4930 4910 4920 4900 4910 4890 4900 4880 4890 4870 4880 4860 4870 4850 4860 4840 4850 4830 4840 4820 4830 4810 4820 4800 4810 4790 4800 4780 4790 4770 4780 4760 4770 4750 4760 4750 SECTION N - N' HORIZONAL SCALE; 1' = 100' VERTICAL SCALE; V = 20' SEE EXHIBIT -6C 4910 4900 4890 4880 4870 4860 •1850 4840 4830 4820 4810 4930 4920 4910 4900 4890 4880 4870 4860 4850 4640 4830 4820 4810 4800 4790 4780 4770 4760 4750 002 876 FINAL GROUND SURFACE DITCH SECTION A - A' / I 2 EXISTING GROUND SURFACE 17 Z/ GOB PILE BENCH 1 -2.5 GOB GOB PILE BENCH SECTION N - N' HORIZONAL SCALE; 1' = 100' VERTICAL SCALE; V = 20' SEE EXHIBIT -6C 4910 4900 4890 4880 4870 4860 •1850 4840 4830 4820 4810 4930 4920 4910 4900 4890 4880 4870 4860 4850 4640 4830 4820 4810 4800 4790 4780 4770 4760 4750 002 876