2008-10-08_REVISION - M2006080 (7)

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DAILY FIELD REPORT Project Loveland Ready Mix Slurry Wall Report No. 13 Location Larimer County, Colorado Date 8 Jan 2008 Client Compass Environmental, Inc. Page 1 of 1 Contractor Compass Environmental, Inc. File No. 107021-001 Weather Partly Cloudy Temperature 30-low 40's F 1. CONTRACTOR'S ACTIVITIES: Contractor Start Work Contractor Stop Work 0700 hrs 1630 Hrs Top of Backfill Slope at Start 32+40 To of Backfill Slope at Stop 32+80 Toe of Backfill Slope at Start Toe of Backfill Slo a at Sto 35+60 36+20 _.Last Completed Set at Start Last Completed Set at Stop 35+60 36+20 Verified Area of Excavated Alluvium above Bedrock (Cumulative) 13,115 Sq. Ft. Verified Area of Excavated Bedrock. (Cumulative) 10,740 S q. Ft. Total Area Excavated To Date 23,855 S q. Ft. Excavator Type Komatsu PC800 Fresh Slurry Made Yes FIELD REPRESENTATIVE'S ACTIVITIES: Quality Control Number of Samples Location or Batch # Comments Bentonite Slurry - As-Mixed 1 35+50 Bentonite Slurry - In Trench 2 35+70,36+10 Backfill (Slump, Density) 2 32+70,32+80 Backfill Gradation 1 32+70 Backfill (Permeability) -- -- Verified Clean AM Backfill Slope and Bottom of Key Yes 34+80 through 36+20 Verified Depth To Bedrock and Key Yes 35+60 thru 36+20 1. Observed slurry trenching activities. Verified depth to top of bedrock and depth of key from Station 35+60 to 36+20 2. Performed quality control testing. Tests performed yielded results in general accordance with project specifications. Test results were reported to contractor. 3. Prepared Daily Field Report updated slurry wall data spreadsheet and obtained field supplies. ATTACHMENTS: None Field Representative(s) Time on site Benny Siljenberg 0700 Distribution: Jeff Sallas; file C:\107021-001 Ready Mix\107021-000 Loveland Ready Mix Sherry Wall\C. Lyman Henn Inc. Construction\C.4 Field Reports\Daily Reports\DFR 080107.doc Total 11.5