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F)"'Z <br /> By ATL Date 1011112020 Client Aggregate Industries Sheet 4 of 7 <br /> Updated Rockfall Evaluation—Lyons Quarry:Technical Review <br /> Chkd.By NA Date 10/21/2020 Description Update Job# 10246984-002 <br /> I <br /> 1' I_ <br /> 21 <br /> O 130 ..40 _I I_I 4_I <br /> Figure 2. Section A, northeast facing dacite wall <br /> Rock Type Rock Size % Caught by Runout Length (ft) <br /> (ft) 160 165 170 <br /> 1x4 100 100 100 <br /> 2x4 100 100 100 <br /> Dacite 2x6 100 100 100 <br /> 3x6 100 100 100 <br /> 6x12 100 100 100 <br /> 2 100 100 100 <br /> 4 100 100 100 <br /> Sandstone 6 99.3 100 100 <br /> 8 98.5 99.9 100 <br /> 12 99.9 100 100 <br />