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DAILY FIELD REPORT <br />Project Loveland Ready Mix Slurry Wall <br />Location Larimer County, Colorado <br />Client Compass Environmental, Inc. <br />Contractor Compass Environmental, Inc. <br />Weather Clear <br />1. CONTRACTOR'S ACTIVITIES: <br />Report No. 35 <br />Date 22 April 2008 <br />Page 1 of 1 <br />File No. 107021-001 <br />Temperature 40's - 60's F <br />Contractor Start Work 0700 hrs <br />Contractor Stop Work 1800 hrs <br />Top of Backfill Slope at Start 48+90 ---? - <br />To of Backfill Sloe at Stop 50+40 <br />Toe of Backfill Slope at Start 51+10 <br />Toe of Backfill Sloe at Stop 52+40 <br />Last Completed Set at Start 51+80 <br />Last Completed Set at Stop 53+00 <br />Verified Area of Excavated Alluvium and Bedrock (Dail) 3,455 Sq_ Ft_-? <br />Total Area Excavated To Date 77,395 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 52+00,52+90 Met Spec <br />Bentonite Slurry - In Trench 2 52+00,52+90 Met Spec, Sand Content of 17%, 18% <br />Backfill (Slump, Density) 2 49+20,50+20 Met Spec <br />Backfill (Gradation) 1 49+20 51% 4200 <br />Backfill (Permeability) -- -- Next permeability sample to be taken around <br />STA 50+00. <br />Verified Clean AM Backfill <br />Sloe and Bottom of Key Yes 49+10 through 51+70 Trench cleaned to bottom of key prior to next <br />excavation set. <br />Verified Depth To Bedrock <br />and Key Yes 51+90 through 53+00 Flat bottom (28-29ft) <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 />2. At approximately 1515 the trench excavator encountered a mechanical failure, no further excavation for the remainder of <br />the day. <br />ATTACHMENTS: None <br />Field Representative(s) Time on/off site Total <br />Benny Siljenberg 0700/1545 11 <br />Distribution: Jeff Sallas; file <br />CM07021-001 Ready Mix\1 0702 1 -000 Loveland Ready Mix Slurry Wall\C. Lyman Henn Inc. <br />Construction\C.4 Field Reports\Daily Reports\DFR's\DFR 080422.doc