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MUD PIT — SECTION A —A' <br />6410 <br />6405 <br />6400 <br />6395 <br />6390 <br />MSE Rockfall <br />Protection Berm <br />370' - 1,100 CY <br />_r <br />DEPTH <br />6410 <br />6405 <br />6400 <br />6395 <br />6390 <br />i <br />SCALE 1" = 20' <br />-- - 2H:1v <br />MINIMUM DITCH <br />DEPTH <br />REQUIREMENTS <br />HUBBARD CREEK SHAFT <br />DITCH <br />DITCH FLOW <br />No. <br />DEPTH D EPTH <br />HC -Dl <br />0.4 0.1 <br />HC -Dl <br />0.4 0.1 Steep Section <br />No Riprap <br />HC -D2 <br />0.8 0.5 <br />HC -D2 <br />0.4 0.1 Steep Section <br />12" Riprap <br />HC -D3 <br />0.6 0.3 <br />HC -D3 <br />0.4 0.1 Steep Section <br />No Riprap <br />HC -Cl <br />12 Inch Diameter <br />Z <br />WIDTH - U , <br />n <br />0.3' <br />FULL FLOW LEVEL _ _ FREEBOARD <br />FLOW <br />"V" DITCH DETAILS <br />SHAFT DRAINAGE AREA <br />MR -97 Add Hoisi <br />7-48 MSE Rock <br />7R -47 Removal <br />7R -47 Adequac <br />DESCRIP7I0N: <br />6415 <br />6410 <br />6405' <br />6400 <br />0 <br />0 <br />6415 <br />6410 <br />6405 <br />6400 <br />i <br />SCALE 1" = 20 <br />-- 2 Ha V <br />NOTES: <br />1. Riprap shall consist of hard, dense, rough fractured stone as <br />as nearly cubical as practical. Stone shall be well graded in <br />order that the voids can be filled, and at least 50 percent <br />percent of the mass shall be stones equal or larger than <br />the specified riprap size <br />2. A geotextile fabric shall be placed under all riprap RECEIVED <br />Use Mirafi 60OX or equal. 'lift 3 0 2009 <br />3. Mechanically Stabilized Earth (MSE) rockfall protection berm�--- eclamat <br />to be reinforced with Mirafi HP 570 on 12" vertical spacingmin and safety <br />4. Temporary Mud Pit (0.9 AF) Contours dashed. Mud pit will <br />be filled as soon as shaft drilling is complete. <br />ENGINEER'S CERTIFICATION <br />I Frame, Modify Generator, Remove One Shaft Lk E. S. 03 -26 -09 / hereby certify that this drawing was done <br />ctian Wall &Mud Pit J,ES. 8 -06 -07 by rrjP. ®� under my direct supervision and <br />V # T.K.B. 7 -12 -07 6o4'E @'I a information presented on <br />iment Pond, inclusion of Silt Fence T. K.B. 6 -26 -07 n�*Y,¢ q_ true and correct to the <br />v #1, Item #16 _ T. 4 -25 07 004��" t of (,h0/ owledge and belief. <br />BY DATE �,A ^'; „) 17 1 * <br />REFERENCES <br />Run -off Calms. He <br />xo <br />lEPARED FOR <br />p BOWIE RESOURCES, LLC <br />D BOWIE NO. 2 MINE <br />P.O. BOX 483 <br />BOWE RFSOUiRCES, ttC PAONIA, COLORADO 81428 <br />- i PREPAR'ED BY: J. E. STOVER & ASSOCIATES <br />- - - -� 2352 N. 4th St.. Unit B <br />- --� c :wa Jet, CO 81501 <br />HAUL ROAD — PROFILE VIEW <br />PROJECT: BOWIE NO I. 2 MINE <br />HUBBARD CREEK SHAFT <br />ONE INCH PLAN VIEW, AND DITCH DETAILS <br />[D BY: dE S. 03�01�07 DRMS I.D. No. C - 1996 - Q$3 DWG. NAME: <br />By <br />SCALE: 39 <br />5 BY: As Noted APPP_pUED Y 7 7 <br />