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Project Name: Silver Lake Townhomes Settlement Repair • . gm Key to Log of Boring <br /> Project Number: 2013-302-2 $ I- <br /> Sheet 1 of 1 <br /> Client: 3Stripe Management <br /> RILEYGROUP <br /> 1 <br /> U <br /> C <br /> (0 <br /> l _ <br /> w Q N c <br /> > 2 E o 0 <br /> C w - H 0) > <br /> o m a c w aa) u) U E REMARKS <br /> m > - w <br /> > o. E E E 3 o 0 m .N AND OTHER <br /> u- ��o,� �rc7 �o ins 0 ce o CD MATERIAL DESCRIPTION �o TESTS <br /> i L_1 u I1J L_1 a u u U IA ii <br /> COLUMN DESCRIPTIONS <br /> 1 Elevation(feet):Elevation(MSL,feet). 7 USCS Symbol:USCS symbol of the subsurface material. <br /> 2 Depth(feet):Depth in feet below the ground surface. 8 Graphic Log:Graphic depiction of the subsurface material <br /> 3 Sample ID:Sample identification number. encountered. <br /> 4 Sample Type:Type of soil sample collected at the depth interval E9 MATERIAL DESCRIPTION:Description of material encountered. <br /> shown. May include consistency,moisture,color,and other descriptive <br /> El Sampling Resistance,blows/ft: Number of blows to advance driven_ text. <br /> sampler one foot(or distance shown)beyond seating interval 10 Moisture(%):Moisture,expressed as a water content. <br /> using the hammer identified on the boring log. 11 REMARKS AND OTHER TESTS:Comments and observations <br /> © Recovery(%):Core Recovery Percentage is determined based on regarding drilling or sampling made by driller or field personnel. <br /> a ratio of the length of core sample recovered compared to the <br /> cored interval length. <br /> FIELD AND LABORATORY TEST ABBREVIATIONS <br /> CHEM:Chemical tests to assess corrosivity PI: Plasticity Index,percent <br /> COMP:Compaction test SA:Sieve analysis(percent passing No.200 Sieve) <br /> CONS:One-dimensional consolidation test UC: Unconfined compressive strength test,Qu,in ksf <br /> LL:Liquid Limit,percent WA:Wash sieve(percent passing No.200 Sieve) <br /> MATERIAL GRAPHIC SYMBOLS <br /> k4" l Poorly graded GRAVEL(GP) •:114t1 Poorly graded SAND with Silt(SP-SM) <br /> P. 41 Silty SAND(SM) I Topsoil <br /> TYPICAL SAMPLER GRAPHIC SYMBOLS OTHER GRAPHIC SYMBOLS <br /> F <br /> Auger sampler 1�1 CME Sampler 1 Pitcher Sample Water level(at time of drilling,ATD) <br /> 4� I j-1 • Water level(after waiting,AW) <br /> �� 2-inch-OD unlined split <br /> .. Bulk Sample Grab Sample spoon(SPT) Minor change in material properties within a <br /> stratum <br /> 3-inch-OD California w/ 2.5-inch-OD Modified Shelby <br /> xed Tubehead) (Thin-walled, Inferred/gradational contact between strata <br /> , brass rings California w/brass liners [7 fi <br /> Queried contact between strata <br /> GENERAL NOTES <br /> 1:Soil classifications are based on the Unified Soil Classification System.Descriptions and stratum lines are interpretive,and actual lithologic changes may be <br /> gradual.Field descriptions may have been modified to reflect results of lab tests. <br /> 2:Descriptions on these logs apply only at the specific boring locations and at the time the borings were advanced.They are not warranted to be representative <br /> of subsurface conditions at other locations or times. <br /> • <br /> The Riley Group,Inc. <br /> 17522 Bothell Way NE,Bothell,WA 98011 <br /> ooh4 <br />