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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-1 <br /> PROJECT NO. 2013-302-4 Depth 1.0 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) (w1) 539.5 Weight Of Sample(gm) 526.3 <br /> Wt Dry Soil&Tare(gm) (w2) 526.3 Tare Weight (gm) 16.0 <br /> Weight of Tare(gm) (w3) 16.0 (W6) Total Dry Weight(gm) 510.3 <br /> Weight of Water(gm) (w4=w1-w2) 13.2 SIEVE ANALYSIS <br /> Weight of Dry Soil(gm) (w5=w2-w3) 510.3 Cumulative <br /> Moisture Content(%) (w4/w5)*100 3 Wt Ret (Wt-Tare) (%Retained) %PASS <br /> +Tare ilwtret/w6)*1001 (100-%ret) <br /> %COBBLES 0.0 12.0" 16.0 0.00 0.00 100.00 cobbles <br /> %C GRAVEL 9.1 3.0" 16.0 0.00 0.00 100.00 coarse gravel <br /> %F GRAVEL 17.2 2.5" coarse gravel <br /> %C SAND 9.8 2.0" coarse gravel <br /> %M SAND 28.9 1.5" 16.0 0.00 0.00 100.00 coarse gravel <br /> %F SAND 25.7 1.0" coarse gravel <br /> %FINES 9.2 0.75" 62.6 46.60 9.13 90.87 fine gravel <br /> %TOTAL 100.0 0.50" fine gravel <br /> 0.375" 97.9 81.90 16.05 83.95 fine gravel <br /> D10(mm) 0.09 #4 150.4 134.40 26.34 73.66 coarse sand <br /> D30(mm) 0.33 #10 200.6 184.60 36.17 63.83 medium sand <br /> D60(mm) 1.7 #20 medium sand <br /> Cu 18.9 #40 348.3 332.30 65.12 34.88 fine sand <br /> Cc 0.7 #60 fine sand <br /> #100 461.4 445.40 87.28 12.72 fine sand <br /> #200 479.3 463.30 90.79 9.21 fines <br /> PAN 526.3 510.30 100.00 0.00 silt/clay <br /> 12" 3" 2" 1".75" .375" #4 #10 #20 #40 #60 #100 #200 <br /> 100 - ♦ • <br /> 90 -- <br /> 80 <br /> P 70 <br /> A 60 <br /> S 50 <br /> 40 <br /> S 30 --- <br /> I 20 <br /> N 10 • <br /> G 0 - <br /> 1000 100 10 1 0.1 0.01 0.001 <br /> Grain size in millimeters <br /> DESCRIPTION SAND with some silt and gravel <br /> USCS SP-SM <br /> Prepared For: Reviewed By: <br /> 3Stripe Management ELW <br /> Na - <br /> I Itilli <br /> RILEYGROUP ,1 1 IL <br />