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exterior appeared to be in good condition and without significant cracking. The <br /> concrete slab on grade patio did not show any signs of movement. It was noted that <br /> the gutter downspouts on the west side of the home discharge near the foundation. <br /> Progressing from the house toward the open-pit clay mine there is a 24-foot wide <br /> garage. It is approximately 51-feet from the garage to the Summit Brick clay mine <br /> property. It is approximately another 75-ft, or 150-feet from the house, to the high-wall <br /> cut of the mine. The depth of the excavated cut, or the height of the high-wall, in this <br /> area is less than 15-feet below natural grade. The average of the incline plane from the <br /> toe of the high-wall to the house is then flatter than 10 to 1. This is well outside of any <br /> potential zone of landslide movement. <br /> No explosives are used in the clay mining operation. The only potential cause of land <br /> vibration is from the movement of tracked heavy equipment. Due to the 150-foot <br /> distance from the house the vibration transference would be nil to negligible. <br /> CONCLUSIONS.- <br /> It is my opinion that the cracks observed in the interior finish of the walls and ceiling are <br /> as expected in a home constructed nearly 70 years ago. It is my belief that the cracking <br /> is caused by differential settlement, the potential of undersized header over the <br /> archway, and the normal expansion and contraction of the wall and ceiling framing and <br /> finish. The apparent movement in the home is quite minimal considering that it is built <br /> over clay deposits. <br /> The conclusion drawn from my observations and experience in design and construction <br /> is that the cracks in the wall and ceiling areas are not due to the open-pit clay mining <br /> operations of Summit Brick. <br /> The opinions and conclusions expressed in this report are based on the engineering <br /> training and experience, the construction experience, information available to and the <br /> observations of the author, and the judgment of the author as of the date of this report. <br /> Information may become evident with more intrusive investigation, during demolition, or <br /> from additional disclosures and analysis of on-site conditions and that information could <br /> affect our opinions and conclusions. <br /> REPORT SUBMITTED BY: �}{l <br /> RICKY A. KIDD, PE ;'�� ' A. , <br /> President ��fG <br /> Kidd Engineering and Construction <br /> Management Services, Inc. 16fi2t <br /> 44811 East US Highway 50 G W <br /> Avondale, CO 81022 <br /> 719-544-5239 fSy�NAL Fri' <br /> 2 11 ge <br />