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DAILY FIELD REPORT <br />Project Loveland Ready Mix Slurry Wall Report No. 47 <br />Location Larimer County, Colorado Date 8 May 2008 <br />Client Compass Environmental, Inc. Page 1 of 1 <br />Contractor Compass Environmental, Inc. File No. 107021-001 <br />Weather Partly Cloudy, Windy Temperature 50's to 70's F <br />!'V1t?TTT A nTlln7O A /"TiViTTL'Q. <br />Contractor Start Work 0700 hrs <br />Contractor Stop Work 1800 hrs <br />Top of Backfill Slope at Start 63+00 <br />To of Backfill Sloe at Stop 64+80 <br />Toe of Backfill Slope at Start 65+10 <br />Toe of Backfill Slope at Stop 66+80 <br />Last Com leted Set at Start 65+80 <br />Last Completed Set at Stop 67+30 <br />Verified Area of Excavated Alluvium and Bedrock (Dail) 4,050 S q. Ft. <br />Total Area Excavated To Date 116,895 S q. 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 1 65+40 Met Spec <br />Bentonite Slurry - In Trench 2 66+30,67+50 Met Spec, Sand content 18% for 66+30 <br />Backfill (Slump, Density) 2 63+40,64+60 Met Spec <br />Backfill (Gradation) 1 63+40 4200 is 37% <br />Backfill (Permeability) 1 N/A Next permeability sample to be taken around <br />STA 70+00. <br />Verified Clean AM Backfill <br />Slope and Bottom of Key Yes 65+50 through 65+80 Trench cleaned to bottom of key prior to next <br />excavation set. <br />Verified Depth To Bedrock <br />and Key Yes 65+80 through 67+30 Flat bottom (27ft) <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. 1230-1330 hrs, production halted during thunderstorm. <br />ATTACHMENTS: None <br />Field Representative(s) Time on/off site Total <br />Greg Snyder 0730/1730 12 <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 080508.doc