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' BRIERLEY DAILY FIELD REPORT <br /> ASSOCIATES <br /> Owing ipoce Unargroun0 <br /> Project Hokestra-North Slurry Wall Report No. 8 <br /> Location Firestone, CO Date Friday, May 03, 2013 <br /> Client Hall-Irwin Page 2 of 4 <br /> Contractor Hall-Irwin File No. 112206-000 <br /> ' Weather Sunny Temperature Cool(45°-60°) <br /> Quality F"� <br /> ation or Batch#� Results Comments <br /> ' Control <br /> Soil-Bentonite Backfill <br /> Unit Weight 11+70, 13+15 117.8, 113.0 pcf <br /> ' Slump 11+70, 13+15 4.25, 6.00 inches <br /> -200 Wash 11+70 52.0% passing No. 200 <br /> ' Triaxial <br /> Next sample to be taken at station <br /> Permeability <br /> T 15+00 <br /> Test <br /> Cement Stabilized Soil-Bentonite Backfill(when applicable) <br /> Unit Weight XX pcf N/A <br /> ' Slump XX inches N/A <br /> Gradation XX% passing No. 200 N/A <br /> Verified Depth <br /> Verified X Yes <br /> Clean AM ❑ No <br /> Backfill <br /> Slope and <br /> Bottom of <br /> Key <br /> ® Yes 12+70--+13+05, 13+05--13+40, <br /> ' ❑ No 13+40--+13+75, 13+75—>14+10, 4ft key(22 ft total depth),4ft key <br /> Verified 14+10—*14+45, 14+45-14+80, (22 ft total depth),4ft key(21 ft <br /> Depth To 14+80-15+15, 15+15--+15+50, total depth),4ft key(21 ft total <br /> ' <br /> Bedrock and 15+50-*15+85 depth), 4ft key(22ft total depth),4ft key(21 ft total depth),4ft key <br /> Key (19ft total depth),4ft key(19ft total <br /> depth),4ft.key(20ft total depth) <br /> ' Top: 8:05 AM,9:05 AM, 10:15 <br /> Bedrock Samples AM, 11:11 AM, 12:00 PM, 1:24 <br /> ' <br /> Frequency = Once per 100LF of PM,2:33 PM,3:27PM,4:24PM <br /> slurry wall 13+05, 14+10, 15+15 Bottom: 8:28 AM,9:35 AM, <br /> 10:45PM, 11:45PM, 12:35 PM, <br /> 2:00 PM,3:OOPM,4:OOPM, <br /> 4:45PM <br /> Average Excavation Time of Bedrock 0.48 Hrs <br /> per Set <br /> ' III. NOTES: <br />