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DAILY FIELD REPORT <br />Project Loveland Ready Mix Slurry Wall Report No. 2 <br />Location Larimer County, Colorado Date 18 Dec 2007 <br />Client Compass Environmental, Inc. Page 1 of 1 <br />Contractor Compass Environmental, Inc. File No. 107021-001 <br />Weather Clear Temperature 30's - 40's F <br />I. CONTRACTOR'S ACTIVITIES: <br />Contractor Start Work 0730 hrs <br />Contractor Stop Work 1630 Hrs <br />To of Backf ill Slope at Start NA <br />To of Backfill Slope at Stop NA <br />Toe of Backfill Slope at Start NA <br />_ <br />Toe of Backfill Slope at Stop 30+40 <br />Last Completed Set at Start 30+20 <br />Last Completed Set at Stop 30+50 <br />Verified Area of Excavated Material (Cumulative Alluvium Plus Fractured <br />Bedrock 1940 Sq. Ft. <br />Excavator Type Komatsu PC800 <br />Fresh Slurry Made Yes <br />FIELD REPRESENTATIVE'S ACTIVITIES: <br />Quality Control Number of <br />Samples Location or Batch # Comments <br />Bentonite Slurry - As-Mixed 2 30+50 Re-test <br />Bentonite Slurry - In Trench 1 30+30 <br />Backfill (Slump, Density) 1 30+00 <br />Backfill Gradation 1 30+10 37% fines <br />Backfill (Permeability) 1 30+00 Sent to lab <br />Verified Clean AM Backfill <br />Slope and Bottom of Key Yes yes <br />Verified Depth To Bedrock <br />and Key 30+20 to 30+50 <br />1. Observed slurry trenching activities. Verified depth to top of bedrock and depth of key from Sta 30+20 to <br />30+50. <br />2. Performed quality control testing. First test of fresh slurry yielded failing result. Notified contractor. <br />Retest of fresh slurry yielded result in general accordance with project specifications. <br />3. Prepared Daily Field Report and updated slurry wall data spreadsheet. <br />ATTACHMENTS: None <br />Field Representative(s) Time on site <br />Benny Siljenberg 0830 <br />Distribution: Jeff Sallas; file <br />Total <br />10.5 <br />G:\PROJECTS\107021-000 Loveland Ready Mix Slurry Wall\C. Lyman Henn Inc. <br />Cons truction\C.4 Field Reports\Daily Reports\DFR 071218.doc