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DAILY FIELD REPORT <br />Project Loveland Ready Mix Slurry Wall Report No. 34 <br />Location Larimer County, Colorado Date 21 April 2008 <br />Client Compass Environmental, Inc. Page 1 of 1 <br />Contractor Compass Environmental, Inc. File No. 107021-001 <br />Weather Cloudy Temperature 40's - 50's F <br />1. CONTRACTOR'S ACTIVITIES: <br />Contractor Start Work 0700 hrs -- <br />Contractor Stop Work 1800 hrs <br />Top of Backfill Slope at Start 47+50 <br />- <br />To of Backfill Sloe at Stop 48+90- <br />Toe of Backfill Sloe at Start 49+30 <br />Toe of Backfill Slope at Stop 51+10 <br />Last Completed Set at Start 50+20 <br />Last Completed Set at Stop 51+80 <br />Verified Area of Excavated Alluvium and Bedrock (Daily) 4,680 Sq. Ft__ _ <br />Total Area Excavated To Date 73,940 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 50+00 Pass <br />Bentonite Slurry - In Trench 2 50+10,51+10 Met Spec, Sand Content of 20% @ 50+10 <br />Backfill (Slump, Density) 2 48+00,48+80 Met Spec <br />Backfill (Gradation) 1 48+00 37% 4200 <br />Backfill (Permeability) -- -- Next permeability sample to be taken around <br />STA 50+00. <br />Verified Clean AM Backfill <br />Slope and Bottom of Key Yes 47+30 through 51+10 Trench cleaned to bottom of key prior to next <br />excavation set. <br />Verified Depth To Bedrock <br />and Key Yes 50+30 through 51+80 Flat bottom (28-30ft) <br />1. Performed quality control testing on slurry and backfill. Observed back-fill 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. Informed Al Sickman of a 20% sand content of the in trench slurry at a depth of 28 at station 51+10. <br />ATTACHMENTS: None <br />Field Representative(s) Time on/off site Total <br />Benny Siljenberg 0700/1730 12.5 <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 080419.doc