Delays are the most common and costly problem in construction projects. The Owner assigns a Supervisor (OS) - either an individual Supervisor Engineer (SE) or a Consultant Organization (CO), one of OS role is to ensure that the project remains on schedule and protect the Owner from delays and associated claims. However, there are no existing means of determining the OSs' effectiveness in performing this task. This book developed a model to assess the effectiveness of both SEs and COs regarding construction project delays. The model assists COs in selecting SEs and preparing training plans. It...