7000 HARDESON RD Geotech Report 2022-10-25

Date 10/26/2017 Hole dia. (in) 6 E N Standard Penetration Resistance B-12 Logged by BAG Hole depth ft 21.5' _> To _ (140 lb. weight, 30"drop) Driller Holocene Well dia. (in) N/A cd m c° 3 • SPT N60 (blows/ft) Page 1 of 1 Elevation (ft) –438 Well depth N/A `" °C 3 o m s r Moisture Content (%) Sample Liner No Hammer Eff. 80% a m -- m m F ,'– z 0 10 20 30 40 50 60 65+ LITHOLOGY/ DESCRIPTION cn o Grayish-brown silty sand with gravel (medium dense, SM 12/18 9 1— ' moist) (Fill) 11 – 10 2— Grayish-brown and gray silty sand with gravel (dense, SM 14/18 6 _ moist) (Fill) 9 3 21 – Brown silty sand with gravel (medium dense, moist) (Fill) SM 12/18 10 4— ' 9 – 11 5 Brown silty sand with gravel trace clay(loose, moist) (Fill) SM 10/18 3 _ 5 6- 4 Gray silty sand with gravel (medium dense, moist) (Fill) SM 4/18 6 7- 7 ■ 7 Grayish-brown silty sand with gravel (medium dense, SM 0/18 11 _ moist) (Fill) 9 9— •8 10— Grayish-brown silty sand with gravel (medium dense, SM 10/18 4 _ moist) (Fill) 9 11 Gray sand with silt trace gravel (medium dense, moist) SP-SM 9 _ (Native) 12— 13— ' 14- 15— Gray sand trace silt(very dense, moist) SP 18/18 12 _ 26 16- 32 6-32 17— i 18- - 19- 20— Gray 8- 19- 20— Gray sand trace silt(very dense, moist) SP 4/18 16 • 21 — ! Boring completed at 21.5 feet on 10/26/2017 22— Groundwater was not observed 23- - 24— _ 25 Phone: 425-488-0599 Fax: 425-488-2330 Community Transit MCOB ROBINSON 17625- 130th Avenue Northeast, Suite 102 NOBLE Woodinville,Washington 98072 3224-002A Figure 21