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Earth Solutions NW... <br />ESNW Rep. <br />Project No. <br />Page <br />Report No. <br />EMH <br />4938.10 <br />1 of 1 <br />107 <br />15365 NE 90'^ Street, Suite 100 <br />Time On Site <br />Time Off Site <br />Date <br />Day of Week <br />INSMI Redmond, WA 98052 <br />Main (425) 449-4704 1 Fax (425) 449-4711 <br />1:00 PM <br />1:15 PM <br />1/10120 <br />Fri <br />www,esnw.com <br />Travel Time <br />Weather <br />DAILY FIELD REPORT <br />30 Min <br />400s F, cloud <br />Project Name <br />Job Location <br />Client/Owner <br />Riverview Apartments <br />1616 East Marine View Drive, Everett <br />Heartland Construction LLC <br />General Contractor <br />Heartland Construction <br />Contact <br />Barry <br />Field Supervisor <br />LAC <br />Reviewed <br />thy <br />L <br />Grading Contractor <br />Contact <br />Project Manager <br />Reviewed <br />Aero Construction <br />Scott Adams <br />RAC <br />Are approved plans/permits an site? Yes Project No. Permit No. <br />At the client's request, ESNW Rep was on site to observe and test compaction of remedial excavation backfill. <br />Remedial Excavation Backfill <br />While on site Rep observed the contractor placed a row of steel sheets two feet off of the shoring wall as a temporary form for <br />the next lift of CDF backfill. Rep observed the contractor had nearly completed placing 4 feet of cement treated native backfill <br />against the toe of the steel sheets. Rep observed the contractor placed this supportive backfill in 12" lifts and compacted each <br />lift with a hoe pack. The contractor informed Rep that they used five super -sacks of Portland cement powder to treat the <br />backfill used today. Rep took compaction tests over the cement treated backfill but was unable to obtain compaction results <br />over 82% of the maximum dry density due to the high moisture content of the soil. Rep observed that the backfill was <br />compacted solid and it did not yield or pump beneath the weight of the excavator and bulldozer operating in the excavation <br />today. Given this observation and considering the application of cement amendment to the backfill exceeded our expectations <br />and recommendations the backfill is considered to have been adequately amended and compacted. The contractor informed <br />rep they intend to pour the next lift of CDF next Monday. <br />Rep will return to observe and test compaction of the <br />cement treated remediation backfill. Rep observed the r i <br />remedial excavation was stable in its current configuration <br />and condition. It is recommended that Rep be notified <br />immediately if any changes in the slope conditions are f r <br />observed. It is the responsibility of the contractor to perform <br />all necessary safety measures in accordance with state and <br />federal regulations. ESNW rep will return daily to observe <br />the condition of the temporarily over -steepened shoring <br />excavation. <br />ESNW Rep will return when requested." 1" l <br />Emmett Hartley, G.I.T. <br />ESNW Field Tech <br />(206) 376-4906 <br />x r <br />I <br />[ i 5 <br />