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C~ <br />• <br />Statlan <br />0+54.0 <br />0+51.0 <br />American Tunnel Bulkhead No.3 <br />Perimeter Area Irregularity <br />P P^uve D Ii0 DXPp <br />38.8 <br />39.9 1.3 19.0 24.7 <br />0+49.7 <br />41.0 <br />41.0 1.7 25.2 42.84 <br />0+48.0 <br />0+46.0 <br />0+40.0 <br />TOTALS <br />41.0 <br />41.5 2.0 14.6 29.2 <br />42.0 42.0 6.0 19.0 114.0 <br />42.0 <br />11.0 210.74 <br />P°veRll' <br />51.87 <br />69.7 <br />83.0 <br />252.0 <br />465.57 <br />For the perimeter area between Section 0+40.0 and Section 0+51.0 <br />Perimeter Area Irregularity = 210.74/465.57 = 45% <br />The perimeter area irregularity of 45% is greater than the 8.8% required to develop the <br />design strength of the bulkhead. <br />i <br />