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Detail A: Bench Trench-- =Cross Sections Detail .. . . . <br /> B. Bench Trench Specifications <br /> K <br /> 12450 Bench Trench is excavated directly into the <br /> 12445 12450 bench material. This material is 111+ broken rock. <br /> 12445 <br /> 12440 <br /> -- 12440 <br /> 12435 - - <br /> 12435 <br /> 12430 -. <br /> 12430 <br /> + + + + + + + + <br /> o M o v� ao <br /> + + a + +o n m w O� rn c o+ ` ` + ^ ` ` s ' ' N- N. N.. N N-- N N N. N N K_ N.. N- N.. N N- t� <br /> N m Y V N M m r+ + + + + + + + + + + + + + �+ + O+ + + M M. M M M M M. M- M. m. m- M. M. M. M <br /> o O o o O o o o o O o. O O O o o o O � 4 4 4 } m+ } 0 W m <br /> 0 20' 40' 60' <br /> 13 min . <br /> 12450 12450 12450 12450 <br /> See Detail g for minimum <br /> specifications 12445 <br /> 12445 12445 12445 <br /> 12440 12440 12440 12440 <br /> 1 3' min. <br /> 12435 12435 12435 _ -- �_� 12435 <br /> 12430 12430 <br /> 12430 12430 8' min . <br /> o U-) o Ln o Ln o If) o Vn o Un <br /> o LO Co U') o V) o � o 0 0 <br /> CD CDM M— r + + + + + + + + + + + + <br /> N N � <br /> O CD O CD O CD CD O CD <br /> CD CD CD O CD O CD CD CD CD CD <br /> 0 10, 20' 30' 0 10, 20' 30' 0 2' 4' 8' <br /> Detail G: Bench Pile Diversion Trench � - f <br /> Detail D. General Mine Map �- Legend Detail D <br /> M Permit Boundary <br /> i <br /> Diversion Route <br /> Collection Berm Route <br /> a <br /> At <br /> Roads <br /> Diversion trench: <br /> Drainages <br /> • • Bottom graded 1 %o downhill to the <br /> } Baseline Contour <br /> southeast. <br /> Mining Contour <br /> 1H: 1 <br /> r . <br /> • V sideslopes , <br /> j Excavation Area <br /> • Excavated directly into the existing <br /> bench pile material Drainage direction <br /> • See Detail B for design <br /> across excavation. <br /> q l <br /> area <br /> specifications <br /> - f Diversion trench along <br /> i the south side of the <br /> Bench Pile <br /> See Detail C. <br /> Diversion trench: -' <br /> • Vlrglnlus portal drains into sump, <br /> along with vein slot reclaimed runoff <br /> • No discharge <br /> M <br /> -Al <br /> _ <br /> fr _ <br /> i <br /> F _ <br /> K <br /> i <br /> t <br /> a <br /> i <br /> 5 <br /> I , <br /> -- - 2 3 3 <br /> 0 20 40 60 <br /> V J U <br /> - Diversion structures follow existing drainage channels. Berms aeon the buffer <br /> M-2012-032 AM01 <br /> MOTES. tvers on stru g g g e between the disturbed and undisturbed area are to maintain the separation of surface water flows. The REvlsiOrvs BY SATE DEs: BL DATE . <br /> vast majority of the surface water in Governor Basin seeps into the ground very quickly. Therefore the surface water control structures will likely affect very little water. DEN: BL DATE 15 Map G-1-7: Bench Pete Diversion Trench <br /> CHK:GLA <br /> Greg Lewicki And Associates Governor Basin <br /> APPD:GLA SCALE 11541 Warrington Court Phone(303)-346-5196 Revenue Mine <br /> AS SHOWN Parker, CO USA 80138 E-Mail-info@lewicki.biz Fortune Revenue Silver Mines Inc. <br />