This document reviews factors that impact labor management in the construction industry. It discusses how labor is a key component that influences project timelines and costs. Proper labor management can increase productivity and help complete projects on schedule and within budget. The document identifies several factors that influence labor productivity, including documentation issues, technical problems, poor management, resource constraints, unsafe working conditions, low wages, and worker health/attendance issues. It concludes that addressing these productivity factors through effective strategies is important for achieving expected project outputs and highlights the need for further research on improving labor management practices.