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Particle Size Distribution Report <br />C C C d _ I O O O O O 8 V O <br />co m N ,� ;I: \ - e.-5 ° `l' a' W it at <br />100 <br />90 <br />80 <br />70 <br />cc <br />W 60 <br />Z <br />LL <br />Z 50 <br />W <br />ct <br />0 W 40 <br />a_ <br />30 <br />20 <br />10 <br />0 <br />i <br />I \ <br />I <br />1 <br />1 <br />I <br />i\ <br />I\ <br />1 <br />` <br />I i <br />1 <br />i\ <br />I \ <br />I \ <br />? <br />I <br />I <br />I I <br />I <br />1 <br />I I <br />I <br />I <br />I <br />1 <br />I Drain Cover Fill <br />I <br />\ <br />v <br />\ <br />v <br />v <br />( I <br />\ <br />1 <br />1 <br />1 <br />I <br />1 <br />1 <br />1 <br />1 <br />ii <br />1 <br />1 <br />I <br />I <br />1 <br />1 <br />I <br />I <br />1 I <br />1 I <br />I I <br />I I <br />1 <br />1 <br />I <br />I <br />\l'I..4 <br />I <br />i <br />1 <br />i <br />- - <br />- <br />--, - <br />i i <br />100 10 1 <br />GRAIN <br />0 1 <br />SIZE - mm. <br />0.01 0.001 <br />% +3" <br />% Gravel <br />% Sand <br />% Fines <br />Coarse <br />Fine <br />Coarse <br />Medium <br />Fine <br />Silt Clay <br />0.0 <br />24.9 <br />51.1 <br />10.9 <br />6.8 <br />2.9 <br />3.4 <br />SIEVE <br />SIZE <br />PERCENT <br />FINER <br />SPEC. <br />PERCENT <br />PASS? <br />(X =NO) <br />Material Description <br />Light brown well - graded gravel with sand <br />Atterberq Limits <br />1.5" <br />1.0" <br />.75" <br />.5" <br />.375" <br />#4 <br />#10 <br />#20 <br />#40 <br />#50 <br />#100 <br />#200 <br />100.0 <br />91.4 <br />75.1 <br />51.9 <br />42.3 <br />24.0 <br />13.1 <br />8.5 <br />6.3 <br />5.6 <br />4.3 <br />3.4 <br />100.0 - 100.0 <br />70.0 - 100.0 <br />5.0 - 50.0 <br />0.0 - 8.0 <br />PL= NP LL= NP PI= NP <br />Coefficients <br />D90= 24.6008 D85= 22.3613 D60= 14.9095 <br />D50= 12.1152 D30= 6.1325 D15= 2.5144 <br />D10= 1.1966 C 12.46 C - 2.11 <br />Classification <br />USCS= GW AASHTO= A -1 -a <br />Remarks <br />Natural Moisture: 3.5% <br />Drain Cover Fill <br />Location: Middle of P -427 <br />Sample Number: DCF -40 -R Depth: 2' Date: 10/20/10 <br />AMEC Earth <br />& Environmental, Inc. <br />Englewood, CO <br />Client: Cripple Creek & Victor Gold Mining Company <br />Project: CC &V CQA Phase 5 <br />Project No: 84201125E0 Figure DCF -40 -R <br />• <br />• <br />• <br />Tested By: MMC <br />Checked By: JDH <br />