dry, 4000 psi, grout mix) This estimation is based on an average of 1500 lbs of stone per yard, 600 lbs of columbian sand per yard, and 1200 lbs of Manf Sand per yard. (2000 lbs = 1 ton) Per Tom's estimation below an approx 390 yards of concrete will be batched which breaks down to: 293 tons of stone (

dry, 4000 psi, grout mix) This estimation is based on an average of 1500 lbs of stone per yard, 600 lbs of columbian sand per yard, and 1200 lbs of Manf Sand per yard. (2000 lbs = 1 ton) Per Tom's estimation below an approx 390 yards of concrete will be batched which breaks down to: 293 tons of stone (r

dry, 4000 psi, grout mix) This estimation is based on an average of 1500 lbs of stone per yard, 600 lbs of columbian sand per yard, and 1200 lbs of Manf Sand per yard. (2000 lbs = I ton) Per Tom's estimation below an approx 390 yards of concrete will be batched which breaks down to: 293 tons of stone (