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<br /> <br /> APPROXIMATE <br /> AREAL EXTENT OF <br />MW-, 16 <br /> SOIL EXCAVATION <br />O , <br /> <br /> P-4 4 <br /> SLURRY <br /> <br /> <br /> 11111 <br />S;R <br /> - <br />Y1 ?, - , IPEU <br />f RELEASE AREA <br /> M 10 <br /> <br /> v 115- ' <br />f r- <br />; <br /> <br /> GROUND SURFACE <br />DEPTH (FT) - - <br /> <br /> <br />5 <br /> <br />BOTTOM OF EXCAVATION ESTIMATED EXTENT OF <br />EXCAVATION AND LEAN FILL <br />FOR PIPE <br />•• <br /> <br />BOTTOM OF <br />SILTY r,LAY LINF REPAIR WORK <br />••? PRIOR TO SLURRY WALL <br />••. COMMET!ON <br /> __ _ GROUNDWATER <br />- <br /> <br /> <br />-------- <br />_ <br />-----' <br />10 <br />? <br />_ <br />_ _ _ <br />_Y _ -------- <br />- <br />_ <br /> <br />_ _ - <br />TAB1F--- <br />- <br />----------------- <br />______ <br />?OP OF F.NE SAND _____________ <br />__________________________ RMP?PELINE <br />AND GQA Vr <br />• <br />• <br />IS ................. <br /> <br /> CROSS-SECTION OF SLURRY WALL EXCAVATION <br /> ALONG THE CENTERLINE SCALE r - 50 <br /> <br />NOTES: <br /> FIGURE 4 <br />NEW MONITORING WELLS MW-BR, MW-4R, ETC. WERE INSTALLED AFTER Sql EXCAVATION, <br />BACKFILUNG AND SLURRY WALL CONSTRUCT*N WAS COMPLETED. E-21 Engineering, Inc. <br />5 SLURRY WALL EXCAVATION MAP <br /> 269 <br />5 South Raritan Street <br /> Denver, Colorado <br /> <br />Phone: 303-991-6000 BAYSHORE PONDS <br /> FIRESTONE. COLORADO