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DAILY FIELD REPORT <br />Project Loveland Ready Mix Slurry Wall Report No. 16 <br />Location Larimer County, Colorado Date 11 Jan 2008 <br />Client Compass Environmental, Inc. Page 1 of 1 <br />Contractor Compass Environmental, Inc. File No. 107021-001 <br />Weather Partly Cloudy / Sunny Temperature 30- 40's F <br />1. CONTRACTOR'S ACTIVITIES: <br />Contractor Start Work <br />Contractor Stop Work 0700 hrs <br />1700 hrs <br />Top of Backfill Slope at Start 35+60 <br />To of Backfill Sloe at Stop 36+90 <br />Toe of Backfill Slope at Start <br /> <br />_..._........._ <br />Toe of Backf ill Slope at Stop 36+80 <br />- _._ _.. <br />-.-..-- <br />36+90 <br />Last Completed Set at-Start <br />Last Completed Set at Stop 36+90 <br />36+90 <br />Verified Area of Excavated Alluvium above Bedrock Cumulative) _ 14,585 Sq. Ft. <br />Verified Area of Excavated Bedrock. (Cumulative) 11.955 S q. Ft. <br />Total Area Excavated To Date 26, 540 S q. Ft. <br />Excavator Type Komatsu PC800 <br />Fresh Slurry Made No <br />FIELD REPRESENTATIVE'S ACTIVITIES: <br />Quality Control Number of <br />Samples Location or Batch # Comments <br />Bentonite Slurry - As-Mixed -- -- No Slurry Mixed <br />Bentonite Slurry - In Trench - -- No Excavation took lace <br />Backfill (Slump, Density) 2 33+60 & 34+80 Second test below specified range <br />Backfill Gradation 1 33+20 Results to be reported in weekly summa <br />Backfill (Permeability) -- -- Next Permeability will be taken around 40+00 <br />Verified Clean AM Backfill <br />Slope and Bottom of Key No 33+40 through 36+60 Same as the night profile of the previous day <br />Verified Depth To Bedrock <br />and Key No -- No Excavation took place <br />1. Observed backfilling activities. No excavation took place on this date. Trench was being backfilled to last <br />excavation set in preparation to shut down operation until spring. <br />2. Performed quality control testing on backfill. Tests performed yielded results in general accordance with <br />project specifications except for the second slump test. This test yielded a result of 4.5 inches. Slump <br />specification is 5 to 7 inches. Test results were reported to Virgil of Compass. <br />3. Prepared Daily Field Report and updated slurry wall data spreadsheet. <br />ATTACHMENTS: None <br />Field Representative(s) Time on/off site <br />Greg Snyder 0630/1430 <br />Distribution: Jeff Sallas; file <br />G: \PROJECTS\ 10702 1-000 Loveland Ready Mix Slurry Wall\C. <br />Construction\C.4 Field Reports\Daily Reports\DFR 08011 Ldoc <br />Total <br />8.0 <br />Lyman Henn Inc.