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1 <br />As noted in the 2004 report, the asphalt plant has been upgraded with <br />significant structural and foundation work. The highwall located <br />irnmediately west and north of the bottom plant facility is currently stable, <br />with no evidence of highwall instabilities (Photo 11). Immediately to the <br />' north of the plant and along the highwall, a small erosional gully has <br />developed since the 2004 reconnaissance. Lafarge has increased the <br />' number of concrete blocks at the top of the wall to prevent continued <br />erosion (Photo 12). No major cracks, settlement, or ponding areas were <br />observed at the ground surface above the highwall, and it appears that the <br />' asphalt plant highwall is stable under the current conditions. <br />In addition to the inspection of the highwall, observations along the access <br />road to the upper asphalt plant facilities were also made with no surface <br />:racks or settlement noted. The road is located perpendicular to the strike <br />of the nearly vertical bedded sedimentary rock, which is a favorable <br />' orientation for stabiliiy along the access road. <br />' 12) The anomaly noted in a letter report to Lafarge, dated April 9, 2004, <br />regarding a small "bulge" or slump on the southem wall was re-evaluated in <br />' the field investigation this year. It was noted that there were no visible <br />changes in this feature over the past 12 months, and it has continued to <br />' remain stable (Photo 13). This wall is considered to be a temporary wall <br />and will be excavated as the southern expansion area deepens. <br /> <br /> <br /> <br />-t4- <br />