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CALCULATED SAFETY FACTORS <br />CASE A CASE B CASE C <br />FMIN 1.68 1.76 1.62 <br />EXISTING GROUND SURFACE <br />20 <br />HORIZ. 8 VERT. SCALES'112d <br />CASE A <br />SANDSTONE <br />2-5 tf = IIOpcf <br />0 = 37° <br />1� C= 0 <br />INITIAL WASTE ROCK\ <br />�w CASE A STORAGE PILE \(' <br />CRITICAL FAILURE SURFACE <br />A <br />SE B <br />CASE C <br />CASE B <br />SANDSTONE /SHALE <br />25 = 118 pcf <br />0 = 35° <br />C = 0 <br />Permit Number C — 5;X6 —C--Or/ <br />Class: ❑Permit <br />SectionlEaoibit ._._._ ._._._._._._._._._._._._._._._. <br />j Class: D Revision <br />Type /Seq � <br />Class Report O Hydro OGeneral <br />Doc Type: S> L I Lj _ +_ <br />OApplication (Coal only) O Bond O Enforcement ❑Inspection <br />CASE C <br />SHALE <br />'6= 125pct <br />0= 33° <br />C= 0 <br />WAS It HOCK PILE STABILITY <br />SECTION I *2.5 SLOPE <br />ooiea2 <br />GEO -HYDRO CONSULTING, INC. <br />PLATE A -3 <br />FOUNDATION <br />MATERIAL PROPERTIES <br />EFFECTIVE STRESS <br />TOTAL STRESS <br />Zr <br />=125 pcf <br />6 = 125 pcf <br />0 <br />=34° <br />0 =21.50 <br />C <br />= 250psf <br />C = 600psf <br />CASE B <br />SANDSTONE /SHALE <br />25 = 118 pcf <br />0 = 35° <br />C = 0 <br />Permit Number C — 5;X6 —C--Or/ <br />Class: ❑Permit <br />SectionlEaoibit ._._._ ._._._._._._._._._._._._._._._. <br />j Class: D Revision <br />Type /Seq � <br />Class Report O Hydro OGeneral <br />Doc Type: S> L I Lj _ +_ <br />OApplication (Coal only) O Bond O Enforcement ❑Inspection <br />CASE C <br />SHALE <br />'6= 125pct <br />0= 33° <br />C= 0 <br />WAS It HOCK PILE STABILITY <br />SECTION I *2.5 SLOPE <br />ooiea2 <br />GEO -HYDRO CONSULTING, INC. <br />PLATE A -3 <br />