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E-21 ENGINEERING INC. <br />2695 S. RARITAN STREET MW-9 - TEST PIT #7 <br />ENGLEWOOD, COLORADO 80110 <br />PROJECT NAME: GeoCon Bayshore PROJECT NO: 863 <br />LOGGED BY: B. Woody PROJECT LOCATION: 12100 E. 1.25 Frontage Road <br />CHECKED BY: S. Hanson START DATEITIME: 1/20/07 @ 1100 COMPLETION DATEITIME:1/20/07 @ 1130 <br />GROUND SURFACE ELEVATION (FT): DRILLING COMPANY: NA <br />DRILLING EQUIPMENT: Excavated test pit #7 using trackhoe OVM TYPE AND SERIAL NO: MiniRae 2000 <br />BORING DEPTH (FT): WELL DEPTH (FT): 15 DEPTH TO WATER (INITIAL): DRY DEPTH TO WATER (AT COMPLETION): 12' <br />BORING DIAMETER (IN.): NA WELL SCREEN INTERVAL (FT BELOW TOC): 5 to 15' bgs <br />WELL MATERIALS: 4" diam. Schedule 40 PVC; 0.01-inch slotted screen BACKFILL MATERIALS: Excavated soils <br />WELL CASING ELEVATON (FT): WELL COVER TYPE (FLUSH-MOUNT OR STICKUP): No Cover; Temp Well <br /> W <br />a <br /> <br />z <br /> <br />w N <br /> <br />WELL 1 BORING <br /> LITHOLOGIC DESCRIPTION LU LU o a U COMPLETION COMMENTS <br />w CL a- m 3o a DETAILS <br /> W N e O m c <br /> TAN TO BROWN SANDY SILT AND CLAY <br />NO HC ODOR IN NATIVE MATERIAL TEST PIT DIMENSIONS T W X 20'L X 15'D <br /> EXCAVATION THROUGH UNCOMPLETED SLURRY WALL; <br /> SLURRY WALL TRENCH -3 FT IN WIDTH; <br /> OVM SCREENING TAKEN FROM SLURRY WALL BACKFILL <br /> 1 60 24 PUSH IMMEDIATE SIDEWALL. <br /> SLURRY WALL MATERIAL CONTAINS STRONG HC ODOR <br />5 <br /> 5 _ <br /> DARK BROWN SILTY CLAY; MOIST; =_ x <br /> NO HC ODOR IN NATIVE MATERIAL Q <br /> 2 70 160 PUSH = w <br /> <br /> F <br />z <br />10 <br /> 10 <br /> 3 50 55 PUSH WET @ 12' BGS <br /> TAN GRAVELLY SAND W/COBBLES; MOIST; LOOSE; <br /> NO HC ODOR IN NATIVE MATERIAL <br />15 <br /> TO = 15 FT BGS 15 <br />20 20 <br />25 25 <br />[310, 30