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PROJECT NUMBER: TEST PIT NUMBER: <br />684127CH.05.02 TP-25 P SHEET 1 OF 1 <br />jr <br />4A 4A? <br />M�Mo <br />TEST PIT LOG <br />PROJECT: Kittitas County Transfer Station Kittitas County WA LOCATION: Biofilter (613924.0 N 1617653.6 E) <br />ELEVATION: 1551.3 ft NAVD88 CONTRACTOR: C. Van De Venter/Kittitas Co. <br />EXCAVATION EQUIPMENT: Hitachi Zaxis 135US Excavator w/ 30" bucket DATE EXCAVATED: 4/9/2019 <br />%AIATFR I M/M C• R n ft kn APPROX. DIMENSIONS: 3 wide 10' lono LOGGER: M. Kacmarcik <br />SAMPLE <br />SOIL DESCRIPTION <br />COMMENT <br />LL <br />(D <br />DIFFICULTY IN EXCAVATION, <br />= 3 w <br />u <br />w <br />SOIL NAME, USCS GROUP SYMBOL, COLOR, <br />o <br />RUNNING GRAVEL CONDITION, <br />a o � <br />> <br />°' <br />MOISTURE CONTENT, RELATIVE DENSITY OR <br />COLLAPSE OF WALLS, SAND HEAVE, <br />o m � <br />w <br />u <br />CONSISTENCY, SOIL STRUCTURE, MINERALOGY <br />a <br />DEBRIS ENCOUNTERED, WATER <br />I- <br />SEEPAGE GRADATIONAL CONTACTS, <br />V) <br />z <br />Begin TP excavation at 14:23. Ground surface is <br />Clayey : orange -brown with grey mottling, moist, medium <br />plasticity. <br />grass pasture. Weather is clear and windy. — <br />1.0 <br />1-BULK <br />LABORATORY: <br />w(%)=19.9 _ <br />LL=38%, PL=21%, PI=17% <br />2.0 <br />P200=44.0% <br />_ <br />Volcanic ash layer at 2.5' bgs, approx 2" thick <br />Sandy SILT (ML): Similar to above with estimated 30% fine to medium <br />sand. <br />5 <br />_ <br />No sidewall sloughing in silt <br />Well -Graded Cobbley GRAVEL (GW): brown, moist. Rounded gravels <br />to 8 inch diameter. <br />see** <br />••••• <br />7.0 <br />2-BULK••••• <br />••••• <br />— <br />LABORATORY: <br />• • • • <br />P200=6.2% <br />• • • • • <br />Groundwater at 8.0' bgs. Install 1" diameter <br />&0 <br />• • • • <br />Schedule 40 PVC piezometer in test pit with field <br />sees* <br />••••• <br />slotted screen from 8.0 to 9.0' bgs. <br />10 <br />••••• <br />Backfill to ground surface with compacted <br />Bottom of Boring at 11.0 ft bgs on 4/9/2019 <br />excavation spoils. <br />15 <br />