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HORIZONTAL BEARING <br />BARS (2) #4 0 6" O.0 <br />(CONTINOUS) <br />MESH OVERLAP <br />MIN. 2 GRIDS <br />VERTICAL BEARING <br />BARS (2) #4 0 6" 0 <br />30" MIN. LENGTH <br />MINN <br />■H■■ <br />■■■■ <br />1r 3,4" MIN. <br />GROUND NAIL HOLE DIAMETER <br />"BAR DIAMETER + 1/4" <br />GROUND NAIL BEARING PLATE <br />WELDED WIRE <br />FABRIC 4 "x4" <br />W2.9xW2.9 <br />SHOTCRETE REINFORCEMENT <br />BOREHOLE <br />GROUT <br />GROUND NAIL <br />CROSS SECTION A -A' <br />STEEL BAR <br />GEOCOMPISITE STRIP DRAIN <br />00' CENTER TO CENTER) WELDED WIRE MESH <br />m <br />BEARING PLATE <br />( 6 "`jam HEX NUT <br />MIN. \ <br />SHOT CRET_ <br />OR WILLIAMS 32X m INJECTION BAR �� <br />6 <br />w / <br />af t✓ <br />#7 GRADE 75 STEEL BAR <br />cRO�} <br />CENTRALIZER O'MAX. 10'O.C <br />4" MIN\ �AfJD_WI T HIN�2O THE T OP <br />AND BOTTOM�.OF DRILLH <br />(NOT REQUIRED, FOR INJECTON <br />DRILL BIT <br />SIZE TBD <br />/A <br />Yeh and Associates, Inc HORIz• <br />Consulting Engineers & Scientists <br />GROUND NAIL DETAIL <br />DRAWN BYE MJW <br />CHECKED DLL ORA <br />DESIGNED FORS RIO GRANDE SILVER <br />PROJECT NUMBER :211 -190 <br />SCALE <br />VERT: <br />DATE 10-11 -11 PROJECT. <br />DATE 10 -14 -11 <br />VERTICAL BEARING BAR <br />BULLDOG MINE <br />HORIZONTAL WALERS <br />SHOTCRETE FACING <br />GROUND NAIL DETAILS <br />SHEET <br />9 <br />OF <br />9 <br />