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Earth, which has an in situ weight of 110 pcf, loose weight of 95 pcf and compacted weight of 115 pcf, is placed in a

Earth, which has an in situ weight of 110 pcf, loose weight of 95 pcf and compacted weight of 115 pcf, is placed in a fill at the rate of 280 CCY/hr.The thickness of the compacted layers is to be 8 inches each.Seven passes of a roller are needed at 4 MPH to achieve the proper density in each lift.The roller width is 60".The efficiency factor is 50 minutes per hour.

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