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Geo-Con <br />• INITIAL SLURRY <br />u <br />DRY ADDITION CALCULATION <br />PC1100 I CA7375 <br /> Trench Trench <br /> (cak:ukite from difference in <br />1. Backfill Placed 4150.0 11750.0 cu feet Backfill profiles) <br /> Dry Weight of Soil in (use dry weighs as <br />2. Backfill Volume 415000 1175000 pounds measured in lab test) <br />3. Jumbo Bags Added 3 6 each <br />4. Total Bentonite Added 9000 18000 Ibs (30001bs per bag) <br />5. %DRYADDITION 2.2 1.5 % (=#4/#2) <br />• <br />SLURRY TEST RESULTS <br />12/9/2006 <br />INCfIAi. SLURRY TEST RESULTS <br />TIME vscosrty<sacl <br />40 SEC MIN DENSITY (PCF) <br />>= 64 PCF FH.TRATE <br /><= 25 ml pH <br />6.5 to 10 COMMENTS <br />8;40 50 64 15.5 8.7 <br /> <br /> <br /> <br /> <br /> <br />TRENCH SLURRY <br />TRENCH SLURRY TEST RESULTS <br />STATION <br />NUMBER VISCOSITY <br />(SEC) x40 SEC DENSITY (PCF) <br />15 PCF < Back(dl COMMENTS <br />59+90 77 88 <br /> <br /> <br /> <br />BACKFII,L TEST RESULTS <br />SOIL-BENTONITE BACKPH.L TEST RESULTS <br />TIME STATION LAB <br />SAMPLE # SLUMP <br />3" to 6" UNIT <br />WEIGHT <br />P <br />%Pasaiug <br />M200 Sieve <br />Moisture <br />Content <br />8:45 56+90 16 5" 122 43.7% 27.6% <br />13:00 58+00 5" 120 <br /> <br /> <br /> 0 <br />Note: The station for the backSll test is the station where it was placed <br />Page t W 1 <br />