Introduces the Predictability Index, a tool for quantitatively benchmarking and assessing the predictability performance on completed capital projects. Offers guidance on the assessment and interpretation of the Predictability Index values. Also provides instructions on how to use the tool.NOTE: This publication's accompanying beta software is a proof of concept and is available for informational purposes only. By downloading or purchasing this publication, you understand and accept that its accompanying software may stop opening or running properly on future platforms and is not supported or maintained by CII. Both the publication and its software are protected by applicable copyright restrictions as set forth by CII. Any party interested in adapting this software is invited to contact CII Associate Director for Deployment to discuss licensing.