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PROJECT NUMBER: <br />684127CH.05.02 <br />TP-05 <br />TEST PIT LOG <br />SHEET 1 OF 1 <br />PROJECT: Kittitas County Transfer Station Kittitas County WA LOCATION: Southeast Stormwater Pond (613022.3 N, 1618456.0 E) <br />ELEVATION: 1544.8 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 />IA/CD 1 MIrl Q 7 r fl Lv APPROX_ DIMENSIONS: T wide 10' Iona LOGGER: M. Kacmarcik <br />SAMPLE <br />SOIL DESCRIPTION <br />COMMENT <br />0 <br />DIFFICULTY IN EXCAVATION, <br />w <br />SOIL NAME, USCS GROUP SYMBOL, COLOR, <br />of <br />RUNNING GRAVEL CONDITION, <br />a ° v <br />LU <br />> <br />n <br />MOISTURE CONTENT, RELATIVE DENSITY OR <br />v <br />a <br />COLLAPSE OF WALLS, SAND HEAVE, <br />DEBRIS ENCOUNTERED, WATER <br />o ro <br />w <br />CONSISTENCY, SOIL STRUCTURE, MINERALOGY <br />SEEPAGE GRADATIONAL CONTACTS, <br />z <br />Sandy brown to black with orange mottling, moss . <br />Begin excavation at 12:11. Ground surface is <br />Moderate plasticity. (TOPSOIL} <br />�, :+!..+ <br />grass pasture. Weather is clear and windy with — <br />r' '1 <br />estiamted 30mph gusts. Dark brown/black soils <br />(r <br />=- <br />suggest thick topsoil deposits. _ <br />LABORATORY: <br />3.0 <br />w(%)=56.4, Organic content=7.0% _ <br />1-BULK,.' <br />' '. <br />LL=70%, PL=26%, PI=44% <br />4.0 <br />5 <br />SIT' <br />— <br />al <br />Test pit walls caving below 7 feet bgs <br />7.0 <br />Gravelly SAND (SP): grey, wet, less than 10 percent fines. <br />2-BULKGroundwater <br />at 7.5' bgs <br />Install 1" diameter Schedule 40 PVC piezometer <br />8.0 <br />in test pit. Field slotted screen from 8.0 to 9.0' _ <br />bgs. <br />Well -Graded Sandy GRAVEL with Cobbles (GW): grey -brown, wet, <br />• • • • • <br />oaorr <br />rounded. <br />10 <br />room <br />.coca <br />.roar <br />a.r.r <br />roar. <br />rasa <br />rorrr <br />aorrr <br />rorrr <br />moor <br />room <br />— <br />— <br />_ <br />Backfill to ground surface with compacted <br />Bottom of Boring at 12.0 ft bgs on 4/9/2019 <br />excavation spoils. <br />15 <br />