1202 100TH CT SE 2022-12-15 - Laserfiche WebLink

Total Depth: 33 ft. Northing: Drilling Method: Hollow Stem Auger Hole Diam.: Top Elevation: —204 ft. Easting: Drilling Company: Geologic Drill,Inc. Rod Diam.: Vert.Datum: City of Everett Station: Drill Rig Equipment: _Acker rig Hammer Type: Horiz.Datum: WASP North Offset: Other Comments: Loc.at toe of slope below B-102 SOIL DESCRIPTION o ai -a L PENETRATION RESISTANCE (blows/foot) Refer to the report text for a proper understanding of the w fl a = .:v A Hammer Wt.&Drop: 140 lbs/30 inches subsurface materials and drilling methods. The stratification Q , E o m Q lines indicated below represent the approximate boundaries 0 between material types,and the transition may be gradual. 0 20 40 60 Sandy organics about 3 inches thick. 0.3 T' Loose,yellowish brown with rust mottling, Silty ............... ...... ........................................................................................ Sand(SM); moist; nonplastic fines;fine to .. medium sand. •:•: 5 (Colluvium) 2 - Gray, Silty, Fine Sand. • .. . - Becomes gray with rust mottling,wet,fine to coarse sand,trace subrounded gravel. 0 - Layer of Silt(ML). 12.0 SZ .._... - Becomes very loose, gray without mottling, 4 with silt interbeds. 14.5 o . . . . . . . . . . . . 15 Hard, gray, Lean Clay(CL); moist; low 16.5 I .' plasticity; massive. . . . . . . . . . . . . . . (Disturbed Transitional Beds) 6 . . . . . . . . . . . . . Very stiff,gray Silt(ML); moist. 2e I t 20 ................................................................ ............................................ (Disturbed Transitional Beds)Hard,gray, Lean Clay(CL); moist; moderate iit plasticity;thin zones of high-angle slickenside 25 fractures. 1� 9 (Distrubed Transitional Beds) 2 .1 .4 . . . . . . . . . . . . tO Hard, gray Silt(ML)and Silty Cla (C 4; moist; moderate plasticity of clay;thinly b_•de.'very ' ii 30 thin laminations of silt; bedding dips a 0 12 ............................................ ................ ...................... ................... degrees;thin fracture zones. 33.0 (Disturbed Transitonal Beds) Hard,gray Silt(ML); moist; massive. 35 ............................................................................................................... (Disturbed Transitional Beds) ............................................................................................................... Stiff to hard,gray,Lean/Fat Clay(CUCH);wet; Z moderate to high plasticity; high-angle 40 ,� slickensided and prismatic fractures; possible ............................................................................................................... shear zones;stiff slickensided layer in sample (9B). . e2 (Disturbed Transitonal Beds) 45 ............................................................................................................... Very stiff, gray, Fat Clay(CH); moist; high plasticity; massive; contains very thin ° laminations of SIIt oNTINUED NEXT SHEET .................................................................................................. 0 20 40 60 LEGEND * Sample Not Recovered ¶ Ground Water Level ATD 0 % Fines(<0.075mm) 2.0"O.D.Split Spoon Sample • %Water Content r. 1-- O U' a Panaview Landslide O NOTES Everett,Washington O 1.Refer to KEY for explanation of symbols,codes,abbreviations and definitions. of O 2.Groundwater level,if indicated above,is for the date specified and may vary. t 3.USCS designation is based on visual-manual classification and selected lab testing. LOG OF BORING B-103 T..- . o January 2015 21-1-21709-002 ce SHANNON&WILSON, INC. FIG. < Geotechnical and Environmental Consultants Sheet 1 of 2 REV 0 -Log in Progress