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DAILY FIELD REPORT <br />Project Loveland Ready Mix Slurry Wall Report No. 39 <br />Location Larimer County, Colorado Date 26 April 2008 <br />Client Compass Environmental, Inc. Page 1 of 1 <br />Contractor Compass Environmental, Inc. File No. 107021-001 <br />Weather Cloudy, windy and light snow Temperature 30's F <br />L CONTRACTOR'S ACTWTTTF.S: <br />Contractor Start Work 0700 hrs?? <br />Contractor Stop Work 1100 hrs <br />Top of Backfill Slope at Start 54+50 <br />To of Backfill Sloe at Stop 54+80 <br />Toe of Backfill Sloe at Start 56+50 <br />Toe of Backfill Slope at Stop 56+80 <br />Last Completed Set at Start 56+90 _ <br />Last Completed Set at Stop 57+20 <br />Verified Area of Excavated Alluvium and Bedrock (Daily) 830 Sq Ft._ <br />Total Area Excavated To Date 89,280 Sq. Ft. <br />Excavator Type Komatsu PC800 <br />Fresh Slurry Made No <br />FIELD REPRESENTATIVE'S ACTIVITIES: <br />Quality Control Number of <br />Samples Location or Batch # Comments <br />Bentonite Slurry - As-Mixed -- -- No slung mixed on this day <br />Bentonite Slurry - In Trench 1 57+00 Met Spec, Sand Content of eater than 20% <br />Backfill (Slump, Density) 1 54+50 Met S ec <br />Backfill(Gradation) 1 54+50 37% 4200 <br />Backfill (Permeability) -- -- Next permeability sample to be taken around <br />STA 60+00. <br />Verified Clean AM Backfill <br />Slope and Bottom of Key Yes 54+70 through 56+40 Trench cleaned to bottom of key prior to next <br />excavation set. <br />Verified Depth To Bedrock <br />and Key Yes 57+00 through 57+20 Flat bottom (27-28ft) <br />1. Performed quality control testing on slurry and backfill. Observed Backfill and excavation operations. Other tests <br />performed yielded results in general accordance with project specifications. Test results were reported to Al of <br />Compass. Prepared Daily Field Report and updated slurry wall data spreadsheet. <br />2. Production on this day was cut short due to a lack of bentonite powder. <br />ATTACHMENTS: None <br />Field Representative(s) Time on/off site Total <br />Kathryn Peters 0700/1045 6 <br />Distribution: Jeff Sallas; file <br />C:\107021-001 Ready Mix\107021-000 Loveland Ready Mix Slurry Wall\C. Lyman Henn Inc. <br />Construction\C.4 Field Reports\Daily Reports\DFR's\DFR 080426.doc