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THE RILEY GROUP,INC. PHONE: (425)415-0551 , <br /> 17522 Bothell Way NE FAX: (425)415-0311 <br /> Bothell,WA 98011 <br /> GRAIN SIZE ANALYSIS <br /> ASTM D421, D422, D1140, D2487, D6913 <br /> PROJECT TITLE Silver Lake Townhomes Exploration Type B-3 <br /> PROJECT NO. 2013-302-4 Depth 7.5 FEET <br /> TECH/TEST DATE PL 12/14/2023 Date Received 12/14/2023 <br /> WATER CONTENT(Delivered Moisture) Total Weight Of Sample Used For Sieve Corrected For Hygroscopic Moisture <br /> Wt Wet Soil&Tare(gm) (wl) 758.3 Weight Of Sample(gm) 689.4 <br /> Wt Dry Soil&Tare(gm) (w2) 689.4 Tare Weight (gm) 15.9 <br /> Weight of Tare(gm) (w3) 15.9 (W6) Total Dry Weight(gm) 673.5 <br /> Weight of Water(gm) (w4=w1-w2) 68.9 SIEVE ANALYSIS <br /> Weight of Dry Soil(gm) (w5=w2-w3) 673.5 Cumulative <br /> Moisture Content(%) (w4/w5)*100 10 Wt Ret (Wt-Tare) (%Retained) %PASS <br /> +Tare {Iwt ret/w61*100} (100-%ret) <br /> %COBBLES 0.0 12.0" 15.9 0.00 0.00 100.00 cobbles <br /> %C GRAVEL 1.4 3,0" 15.9 - 0.00 0.00 100.00 coarse gravel <br /> %F GRAVEL 29.3 2.5" coarse gravel <br /> %C SAND 9.6 2.0" coarse gravel <br /> %M SAND 14.1 1.5" 15.9 0.00 0.00 100.00 coarse gravel <br /> %F SAND 26.4 1.0" coarse gravel <br /> %FINES 19.1 0.75" 25.6 9.70 1.44 98.56 fine gravel <br /> %TOTAL 100.0 0.50" fine gravel <br /> 0.375" 133.1 117.20 17.40 82.60 fine gravel <br /> D10(mm) #4 223.2 207.30 30.78 69.22 coarse sand <br /> D30(mm) #10 287.8 271.90 40.37 59.63 medium sand <br /> D60(mm) #20 medium sand <br /> Cu #40 383.0 367.10 54.51 45.49 fine sand <br /> Cc #60 fine sand <br /> #100 518.9 503.00 74.68 25.32 fine sand <br /> #200 560.6 544.70 80.88 19.12 fines <br /> PAN 689.4 673.50 100.00 0.00 silt/clay <br /> 12" 3" 2" 1".7S" .375" #4 #10 #20 #40 #60 #100 #200 <br /> % 100 O <br /> 90 <br /> 80 <br /> P 70 <br /> A 60 <br /> S 50 <br /> 40 <br /> S 30 _ <br /> I 20 1 <br /> N 10 <br /> G 0 <br /> 1000 100 10 1 0.1 0.01 0.001 <br /> Grain size in millimeters <br /> DESCRIPTION Silty gravelly SAND <br /> USCS SM <br /> Prepared For: Reviewed By: <br /> 35tripe Management ELW <br /> 5 ® ® <br /> ®EY R Q 2 i pli <br />