between success and failure. This seminar takes a panoramic view of construction cost estimating from inception to final completion; explaining main concepts and giving valuable tips for cost estimators as well as the entire construction project management team. It explains the difference in concept and methodology between approximate and detailed estimates. It explains also the difference between direct and indirect expenses and the categories under each type. The Webinar then explains bonds and insurance, project breakdown structure and the CSI Master Format, cost control, and a glimpse of Earned Value analysis. It includes many valuable tips and hints.