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DAILY FIELD REPORT <br />Project Loveland Ready Mix Slurry Wall Report No. 18 <br />Location Larimer County, Colorado Date 2 April 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 40's F <br />I. CONTRACTOR'S ACTIVITIES: <br />Contractor Start Work 0_0 hrs <br />08 <br />Contractor Stop Work _ <br />1700 hrs <br />Top of Backfill Slope at Start 36+90 <br />- y <br />To of Backfill Slope at Stop 36+50 <br />Toe of Backfill Slope at Start N/A <br />Toe of Backfill Slope at Stop 36+70 <br />Last Completed Set at Start 36+90 <br />Last Completed Set at Stop 36+90 <br />Verified Area of Excavated Alluvium above Key (Daily) 0 Sq. Ft. <br />Verified Area of Excavated Bedrock. (Cumulative) 11.955 S q. Ft. <br />Total Area Excavated To Date 26, 540 Sq. 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 36+70 <br />Bentonite Slurry - In Trench 1 -- Little trench excavation in AM, no test <br />Backfill (Slump, Density) 2 33+60 & 34+80 No backfill mixed on this day. <br />Backfill (Gradation) 1 33+20 Results to be reported in weekly summary <br />Backfill (Permeability) -- -- Next Permeability will be taken around 40+00 <br />Verified Clean AM Backfill <br />Sloe and Bottom of Key Yes 36+60 through 36+90 Trench cleaned to bottom of key prior to next <br />excavation set. <br />Verified Depth To Bedrock <br />and Key No -- No Excavation took place <br />1. Observed trench profile cleaning activities. No new completed excavation took place on this date, trench <br />was cleaned of backfill between STA 36+60 to 36+90 down to previously excavated depth (39 ft.). Toe of <br />backfill slope was left at STA 36+80 at the end of the day. STA 37+00 was started and finished on 4/3/08 <br />2. Performed quality control testing on slurry. Observed backfill excavation. Tests performed yielded results <br />in general accordance with project specifications. Test results were reported to Al 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 Total <br />Greg Snyder 0830/1600 8.0 <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 080402.doc