The unit weight calculation is: Unit Weight = Weight of Concrete Ã· Volume of Concrete. This calculation can be rearranged for volume, which is known as the yield calculation. In other words, it is the volume that a certain weight of material will yield.rom the batch ticket, we find that 5 cubic yards of concrete were batched. The total weight of cement, sand, and stone was 18,860 pounds, and 156 gallons of water were also batched. Since we know that water weighs 8.33 pounds per gallon: 156 gallons of water X 8.33 pounds per gallon = 1,300 pounds of water.
The long-awaited overtime rule from the Labor Department would more than double the threshold at which employers can avoid paying overtime, to $970 a week by next year. That would mean salaried employees earning less than $50,440 a year would be assured overtime if they work more than 40 hours per week. To keep up with future inflation and wage growth, the proposal will peg the salary threshold at the 40th percentile of income, individuals familiar with the plan said.
To figure out whether your employer has to pay overtime, first determine whether it's covered by the federal Fair Labor Standards Act (FLSA), the federal wage and hour law that sets out the overtime rules. Generally, a business is covered by the FLSA if it has $500,000 or more in annual sales.ou are entitled to a 50% premium for every overtime hour you work. For those hours, you must be paid time and a half: 150% of your regular rate of pay. To learn more about overtime pay, and other laws that protect you in the workplace, get Your Rights in the Workplace, by Barbara Kate Repa (Nolo).