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DAILY FIELD REPORT <br />Project Loveland Ready Mix Slurry Wall Report No. 28 <br />Location Larimer County, Colorado Date 14 April 2008 <br />Client Compass Environmental, Inc. Page 1 of 2 <br />Contractor Compass Environmental, Inc. File No. 107021-001 <br />Weather Sunny Temperature 60's F <br />I. CONTRACTOR'S ACTIVITIES: <br />Contractor Start Work 0700 hrs <br />Contractor Stop Work 1800 hrs <br />Top of Backfill Slope at Start 40+20 _- <br />To of Backfill Sloe at Stop 41+50 <br />Toe of Backfill Slope at Start <br />42+50 <br />Toe of Backfill Slope at Stop 43+90 <br />Last Completed Set at Start 43+10 <br />Last Completed Set at Stop 44+30 <br />Verified Area of Excavated Alluvium and Bedrock (Daily) 3,640 N. <br />Total Area Excavated To Date 51,550 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 /> Samples <br />Bentonite Slurry - As-Mixed 1 43+00 Pass <br />Bentonite Slurry - In Trench 2 43+40,43+90 <br />Backfill (Slump, Density) 2 40+10,40+20 <br />tions slow. <br />Dozer Down in PM, backfill opera <br />Backfill (Gradation) 1 40+20 <br />Backfill (Permeability) -- -- Next permeability sample to be taken around <br /> STA 60+00. <br />Verified Clean AM Backfill Yes 42+80 through 43+10 Trench cleaned to bottom of key prior to next <br />Slope and Bottom of Key excavation set. <br />Verified Depth To Bedrock Yes 43+20 to 44+30 <br />and Key <br />1. Surveyor onsite 1230-1300 hrs. Slurry wall centerline alignment changed between STA 45+504 47+50 as per Brad of <br />Loveland Ready Mix and Al of Compass Environmental. Cross cut changed to radius turn due to drainage line at 47+00. <br />New alignment to be shown on final surveyed alignment at completion of slurry wall. <br />2. Bulldozer down at - 1330 hrs. Backfill operations slow, excavation operations slowed for backfill to catch up. <br />3. 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 />ATTAf HWNTS! None <br />Field Representative(s) Time on/off site Total <br />Greg Snyder 0700/1630 9.5 <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 080413.doc