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• <br /> Project Name: Silver Lake Townhomes Settlement Repair 1 II s Key to Log of Boring <br /> Project Number: 2013-302-2 <br /> Sheet 1 of 1 <br /> Client: 3Stripe Management <br /> RILEYGROUP <br /> a • <br /> U <br /> C <br /> (6 <br /> N <br /> N <br /> N <br /> w O o E 0 e <br /> ° — a) a) .c = a) ° REMARKS <br /> > n E E E 3 ° Cl) ° w AND OTHER <br /> m <br /> w o u) u) u) .a lY D c.r MATERIAL DESCRIPTION 2 TESTS <br /> U U U Lwl u u u 1 a ilg IA <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 /> ® 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 /> P.* i.I Poorly graded GRAVEL(GP) •'. � Poorly graded SAND with Silt(SP-SM) <br /> TIFFSilty SAND(SM) I 1 Topsoil <br /> I, <br /> TYPICAL SAMPLER GRAPHIC SYMBOLS OTHER GRAPHIC SYMBOLS <br /> • <br /> E <br /> Auger sampler CME Sampler Pitcher Sample Water level(at time of drilling,ATD) <br /> r'i .r 7 Water level(after waiting,AW) <br /> 2-inch-OD unlined split <br /> Bulk Sample Grab Sample Minor change in material properties within a <br /> i� spoon(SPT) stratum <br /> 3-inch-OD California w/ 2.5-inch-OD Modified 1 Shelby Tube(Thin-walled, Inferred/gradational contact between strata <br /> I brass rings ' California w/brass liners fixed head) <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 /> The Riley Group,Inc. <br /> 17522 Bothell Way NE,Bothell,WA 98011 <br /> t iI14 <br />