Navigating the Minefield... Successful Estimating Before Requirements are Complete On: June 8, 2015 By: admin Posted in certified scope manager (CSM), Change, estimating models, estimating software development cost and effort, Uncategorized 0 Free webinar…. Wed June 10, 2015 – 11 am – 12:30 pm EDT. Promo for Navigating the Minefield Register by following this ITMPI link.