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6550— <br />6500— <br />6450— <br />.-.. <br />6350 <br />CASE NUMBERS 10, I 1 a 12 <br />CASE NUMBERS 13,14 & 15 <br />�y <br />�NO <br />�TGa <br />/r�Oh <br />CASE NUMBER <br />DEWATERING SYSTEM <br />LEFT IN PLACE <br />DEBREE OF <br />COMPACTION <br />UPSLOPE RETAINING WALL <br />LEFT IN PLACE <br />MINIMUM FACTOR <br />OF SAFETY <br />10 <br />YES <br />85% <br />NO <br />1.319 <br />1 1 <br />YES <br />95% <br />NO <br />1.319 <br />12 <br />YES <br />85% <br />YES <br />1 . 319 <br />13 <br />YES <br />85% <br />NO <br />1.547 <br />14 <br />YES <br />95% <br />NO <br />1.546 <br />15 <br />YES <br />85% <br />YES <br />1.807 <br />EXH IB IT No. 6 <br />STABILITY ANALYSES- AT PORTAL TURNOUT <br />ACCESS ROAD STATION 65 +00 <br />(FULL DEWATERING) <br />SCALE: I "= 50' <br />50' O 50' 100' <br />FILL ZONE CASE NUMBERS 10, II 8 12 <br />Ill BIN WALL INCLUDED FOR CASE 12 AND 15 ONLY. <br />_-- --FILL ZONE <br />DRY SOIL CONDITIONS <br />CASE NUMBERS 13,14a 15 <br />DRY \ <br />\L <br />CONDITIONS <br />I I I I i I I I I I I I I <br />Or 50' 100, 150' 200' 250' 300' 350' 400' 450' 500' 550' 600' <br />Permit Number C -90 _ cf V <br />Class: OPermit <br />Se_ ction/ Exhih it: ----------------------- <br />Classy ❑ Revision <br />Type /% -._._ <br />Class: eport O Hydro OGeneral-A !Doc Type ___,7 <br />_Y' ___ — ------------------------ <br />OApplication (Coal only) O Bond O Enforcement O Inspection <br />IilllllVIIIVIIIIIIIIIIIIIVIIIIIIIIIII <br />ao�rae <br />EXHIBIT 6 <br />