URGENT Please answer problem #2

Problem 1 (15 pts; 5 points each) A CAT D25D truck with a heaped capacity of 20 CY. If material weighs 2,300 lbs/CY in its bank state, swells by 20% when excavated and shrinks by 10% when compacted, answer the following questions. 1) How many Bank Cubic Yards will fills the Truck? 2) What is the weight of the material per Loose Cubic Yard? 3) How many Compacted Cubic Yards will you haul per truck load? And how much does the material weigh in its compacted state? Problem 2 (15 pts; 5 points each) You are preparing a cost estimate for an earthmoving project. The contract specifications require a 500,000 CY embankment with a dry unit weight of 110 lbs/cf and a water content of 15%. A pre project investigation reveals that the material available in a borrow pit has a unit weight of 100 lbs/cuft with a 5% water content. How many CY of excavation will be required to construct the embankment? Embankment Borrow 100 pcf Y Ya w 5% 110 pcf 15% 500.000 CCY Vol 1) Unit weight of the embankment 2) Dry unit weight of of the borrow 3) soil volume of borrow pit