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DAILY FIELD REPORT <br />Project Loveland Ready Mix Slurry Wall Report No. 43 <br />Location Larimer County, Colorado Date 2 May 2008 <br />Client Compass Environmental, Inc. Page 1 of 1 <br />Contractor Compass Environmental, Inc. File No. 107021-001 <br />Weather Windy Temperature 30 to 40's F <br />T PAN1rr1DA rTnD9Q A rTTViTTTi C• <br />Contractor Start Work 0700 hrs <br />Contractor Stop Work 1800 hrs <br />Top of Backfill Slope at Start 57+80 <br />To of Backfill Slope at Stop 59+40 <br />Toe of Backfill Sloe at Start 59+80 <br />Toe of Backfill Sloe at Stop 61+20 <br />Last Completed Set at Start 60+60 <br />Last Completed Set at Stop 61+60 <br />Verified Area of Excavated Alluvium and Bedrock (Dail) 2,765 S . Ft. <br />Total Area Excavated To Date 101,310 S q. 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 Pond Met Spec <br />Bentonite Slurry - In Trench 1 61+20 Met Spec, Sand eater than 20% for 61+20 <br />Backfill (Slump, Density) 2 58+50,59+40 Met Spec <br />Backfill (Gradation) 1 58+50 , 4200 <br />Backfill (Permeability) -- -- Next permeability sample to be taken around <br />STA 60+00. <br />Verified Clean AM Backfill <br />Slope and Bottom of Key Yes 58+00 through 60+60 Trench cleaned to bottom of key prior to next <br />excavation set. <br />Verified Depth To Bedrock <br />and Key Yes 60+60 through 61+60 Flat bottom (27-28ft) <br />1. 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 />Kathryn Peters 0730/1700 11.5 <br />Distribution: Jeff Sallas; file <br />C:\107021-001 Ready Mix\10702 1 -000 Loveland Ready Mix Slurry Wall\C. Lyman Henn Inc. <br />Construction\C.4 Field Reports\Daily Reports\DFR's\DFR 080502.doc