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Project Name: Silver Lake Townhomes Settlement Repair ■ ® ® Boring No.: B-4 <br /> Project Number: 2013-302-2 <br /> Sheet 1 of 1 <br /> Client: 3Stripe Management <br /> RILEVCRUP <br /> Date(s)Drilled: 12/06/2023 Logged By: CM Surface Conditions: Bark/Mulch <br /> Drilling Method(s): HSA Drill Bit Size/Type: 4" Total Depth of Borehole: 12.9 feet <br /> Drill Rig Type: Acker(Limited access rig) Drilling Contractor: CN Drilling Approximate -450 feet <br /> Surface Elevation: <br /> Groundwater Level: Not encountered Sampling Method(s): SPT Hammer Data: 140#Hammer, 30"drop, rope <br /> and cathead <br /> Borehole Backfill: Bentonite Chips Location: 11020 20th Drive Southeast <br /> Everett,Washington 98204 <br /> a; <br /> c <br /> co <br /> N <br /> a)aoi n o .n Cr) <br /> > '-- E o 0 <br /> c — F- m >, - .� <br /> o a) a c a) o a) REMARKS <br /> .ro s Ti. a s in > c!) a: -' <br /> > a E E E 3 ° 0 - .N AND OTHER <br /> 0 <br /> w o rn cn n Q D 0 MATERIAL DESCRIPTION 2 TESTS <br /> c Tpsl 4"Bark/mulch,topsoil <br /> SM ," Gray silty SAND with some gravel,moist,very loose - <br /> r,,a <br /> r4 <br /> B4-2.5 \` 1 12% <br /> I <br /> 5— t Becomes loose — <br /> 84-5 ,\ 8 ''- - 10% <br /> \\\��\\\ SM Tan silty SAND with some gravel,moist to wet,medium dense <br /> 84-7.5 11 18"4. <br /> - • I- - <br /> .10 <br /> — 10— \ i j No recovery,rock in shoe,becomes very dense — <br /> 84-10 82111" ' 16", <br /> ,3: No recovery,shoe clear of debris r,,, <br /> 84-12.5 N 50% ,J., <br /> - Boring terminated at 12.9 feet bgs. - <br /> - 15 '-- <br /> The Riley Group,Inc. <br /> 17522 Bothell Way NE,Bothell,WA 98011 <br /> at11(4 <br />