Laserfiche WebLink
BRIERLEY DAILY FIELD REPORT ' <br /> ASSOCIATES <br /> C-61V S_e Unde W-W <br /> Project Hokestra-North Slurry Wall Report No. 5 <br /> Location Firestone, CO Date Tuesday, April 30, 2013 , <br /> Client Hall-Irwin Page 3 of 4 <br /> Contractor Hall-Irwin File No. 112206-000 <br /> Weather Partly Sunny/Cloudy Temperature Cool(45°-60°) , <br /> 3. Performed quality control testing on fresh slurry, trench slurry, and soil-bentonite backfill. <br /> 4. Slurry level did not drop below 2ft of surface grade during excavation. ' <br /> 5. The de-sanding machine was in operation during most of this shift. <br /> 6. The Komatsu DX65 dozer used in the backfilling operation was not working during this shift, and is ' <br /> currently under maintenance for an overheating problem. <br /> 7. HI stopped excavation at 3PM and continued to place soil-bentonite backfill. This reduced the amount of ' <br /> open trench, and is keeping the toe of the backfill slope within 30±5 feet of the excavation which allows <br /> them to clean out the key and help prevent sand settling in the slurry wall key. <br /> 8. Set Summaries: t <br /> [7+10-7+45] Start:7:36 pm(21ft)Finish: 8:41 am(25ft) <br /> Top of Rock:gray/dark gray,soft,fresh,slightly silty,sandy CLAYSTONE. <br /> [7+45—►7+80] Start:9:30am(22ft)Finish: 10:15 pm(26ft) <br /> Top of Rock:gray/dark gray,very soft,fresh,slightly silty,sandy CLAYSTONE. ' <br /> [7+80-->8+15] Start: 11:06am(20ft)Finish: 12:00 pm(24ft) <br /> Top of Rock:gray/dark gray,very soft,fresh,slightly silty,sandy CLAYSTONE. <br /> [8+15—>8+50] Start: 1:00pm(18ft)Finish: 1:50 pm(22ft) , <br /> Top of Rock:gray/dark gray,soft,fresh,blocky,slightly silty,sandy CLAYSTONE. <br /> [8+50--+8+85] Start:2:17pm(19ft)Finish:2:35 pm(23ft) ' <br /> Top of Rock:gray/dark gray,soft,fresh,planer,slightly silty,sandy CLAYSTONE. <br /> 9. PM profile was performed by Alonzo and Jesus(HI) after RY left the jobsite. ' <br /> ATTACHMENTS: <br /> Field Representative(s) Time on/off site Total ' <br /> Ryan Young 7:00 AM 5:00 PM 10.0 hrs <br /> Distribution: Ruben Hernandez; file <br /> C:\Documents and Settings\ksisnroy\Desktop\DFR's\DFR 4-30-13.5.docx Brierley Associates <br />