What should be added to wage rates to ensure accuracy in estimating labor for a project?

To ensure accuracy in estimating labor for a project, it's essential to add the labor burden to wage rates. The labor burden encompasses all additional costs associated with employing a worker beyond their hourly wage. This includes expenses such as payroll taxes (Social Security, Medicare), workers' compensation insurance, health benefits, retirement benefits, and other overhead costs tied directly to labor.

Accurate labor cost estimation is vital for project budgeting and financial planning, as it provides a more realistic picture of the total labor expense that will be incurred during the project. By including the labor burden, contractors can avoid underestimating costs, which is critical for maintaining profitability and ensuring that all obligations to employees and governing bodies are met throughout the life of the project.