This document discusses key performance indicator (KPI) calculation formulas and how to design effective KPIs. It provides steps for creating KPIs for a construction technician position, including defining objectives, identifying key result areas and tasks, and determining measurement methods. The document also outlines common mistakes to avoid when developing KPIs, such as creating too many KPIs or not linking them to strategy. Finally, it describes different types of KPIs like process, input, output, leading, lagging, outcome, qualitative and quantitative.