3535 RIVERFRONT BLVD Geotech Report 2023-02-22

EDRILLING COMPANY: Holocene Drilling LOCATION: Three-Acre Park DRILLING METHOD: HSA,CME 850 tracked rig DATE STARTED: 6/29/2010 I I I SAMPLING METHOD: SPT w/Autohammer DATE COMPLETED: 6/29/2010 SURFACE ELEVATION: 14.00*feet LOGGED BY: P.Pearson (I) w gm 2 w Standard Penetration Test U } Q (140 lb.weight,30"drop) • O w w w.E p ♦Blows per foot 2 i m a s o:P w _ a�, 2 U z = O a�, w p� >- co ¢ ¢ W H !r W_y o co > DESCRIPTION --- O O 0 10 20 30 40 50 30— —30 _ '•• ., SP Very dense,gray to dark gray,slightly silty,poorly graded S-6 13-26-26 %F ��_ SM fine SAND,wet. I I 2 inches of fine gravel at 33 feet. - 35— —35 Fe_ No recovery at 37.5 feet. Sampler clogged by gravel from 6-12-19 above. 40— —40 'ti, _ SP Very dense,gray to dark gray,slightly silty,poorly graded S-7 14-26-32 %F ��_ SM SAND,wet. 45— —45 _ SP Dense,gray,slightly silty,poorly graded fine to medium S-8 14 17 23 GS _ SM SAND,wet. 50— ~• —50 ti: Low blow counts due to wood(rotten log). S-9 1-2-1 - - 55— 755 _ CL Very stiff,greenish gray,lean CLAY,moist.Trace silt,sand, S-10 &14-17 AL � � _ I I I I I and gravel.Some organics. • I 60— / —60 Fora proper understanding of the nature of subsurface conditions, this o 20 40 60 80 100 exploration log should be read in conjunction with the text of the Water Content(°i°) geotechnical report. Plastic Limit �--�— I Liquid Limit NOTE: his log of subsurface conditions applies only at the specified location and on the date indicated Natural Water Content and therefore may not necessarily be indicative of other times and/or locations. Offil BORING: PUBLIC AMENITIES B_�04 RIVERFRONT DEVELOPMENT HVITAGEOSCIFNCESINC EVERETT, WASHINGTON PAGE: 2 of 3 PROJECT NO.: 2015-061 FIGURE: A-5 BORING 2007-087.GPJ 6/26/12