5200 EVERGREEN WAY SEPA 017 - 010 Geotech Report 2025-04-23

> associated Exploration Log earth sciences Project Number Exploration Number Sheet Incorporated 160594V001 GP-19 1of1 Project Name Brien Ford Everett Ground Surface Elevation(ft) 343 (approx) Location Everett.WA Datum N/A Driller/Equipment Cascade/Geoprobe Date Start/Finish 2/13/17,2/13/17 Hammer Weight/Drop N/A Hole Diameter(in) _9 innhA5 c a) - Na V p O iV co N r — v, Blows/Foot S Ef0 E • o `m T u) 0`A 3o m -c DESCRIPTION 0 10 20 30 40 Asphalt-3 inches Fill 4. Loose,slightly moist,orange-brown,very silty,fine SAND,trace gravel - (SM). Layer of old concrete(5 inches thick) S-1 : Vashon Ice-Contact - Loose to medium dense,slightly moist,brownish gray,silty,fine to medium -: SAND,some fine to coarse gravel(SM). - 5 - • • Medium dense,slightly moist to moist,grayish brown,fine to medium S-2 SAND,trace fine to coarse gravel(SP). Silty,gravelly lens(3 inches thick). Vashon Advance Outwash Becomes fine to medium SAND;no staining,no odor(SP). - 10 - - Becomes wet,dark gray staining,strong odor. PID=295 ppm - GP-19:12 S-3 • • • Becomes brown. PID=201 ppm - 15 - • Medium dense,slightly moist,dark gray(staining),very silty,fine to medium SAND,trace gravel(SM). PID=168 ppm Becomes slightly moist,brown,fine to medium SAND,trace fine to coarse : gravel(SP). GP-19:17 S-4 - • - 20 A-- Bottom of exploration boring at 20 feet Ground water seepage at 11 feet. N- 0 N- NN 2 o_ Sampler Type(ST): 2"OD Split Spoon Sampler(SPT) ❑ No Recovery M-Moisture Logged by: KMA m 3"OD Split Spoon Sampler(D&M) 11 Ring Sample .V Water Level 0 Approved by: OKP w ® Grab Sample Q Shelby Tube Sample 1 Water Level at time of drilling(ATD) a_