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DAILY FIELD REPORT <br />X1 r <br />Project <br />Loveland Ready Mix Slurry Wall <br />Report No. <br />29 <br />Location Larimer County, Colorado Date 15 April 2008 <br />Client Compass Environmental, Inc. Page 1 of 2 <br />Contractor Compass Environmental, Inc. File No. 107021-001 <br />' <br />Weather Sunny Temperature s F <br />70 <br />1. CONTRACTOR'S ACTIVITIES: <br />Contractor Start Work 0700 hrs <br />Contractor Stop Work 1800 hrs <br />Top of Backfill Slope at Start 41+50 <br />To of Backfill Sloe at Stop 42+90 <br />Toe of Backfill Slope at Start 43+90 <br />Toe of Backfill Slope at Stop 45+10 <br />Last Completed Set at Start 44+30 <br />Last Completed Set at Stop 45+50 <br />Verified Area of Excavated Alluvium and Bedrock (Daily) _3,635 Sq_Ft. <br />Total Area Excavated To Date 55,185 S q. Ft. <br />Excavator Type Komatsu PC800 <br />Fresh Slurry Made Yes <br />FIELD REPRESENTATIVE'S ACTIVITIES: <br />Quality Control Number of Location or Batch # Comments <br /> Sam les <br />Bentonite Slurry - As-Mixed 1 43+70 Pass <br />Bentonite Slurry - In Trench 2 44+20,45+10 <br />Backfill (Slump, Density) 2 41+60,42+40 Dozer Down in AM, backfill o rations slow. <br />Backfill (Gradation) 1 42+40 <br />Backfill (Permeability) -- -- Next permeability sample to be taken around <br /> STA 60+00. <br />Verified Clean AM Backfill Yes 44+10 through 44+30 Trench cleaned to bottom of key prior to next <br />Slope and Bottom of Key excavation set. <br />Verified Depth To Bedrock Yes 44+40 to 45+50 Undulating bottom (30 ft- 31ft) <br />and Key <br />1. Bulldozer down until --1100 hrs. Backfill operations slow, excavation operations slowed for backfill to catch up. <br />2. 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 />ATTACHMENTS: None <br />Field Representative(s) Time on/off site Total <br />Greg Snyder 0700/1600 9 <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 080415.doc