1. They understand the need to design and develop a valid CPM baseline schedule to model the actual building approach, including fully tied-in; design, submittal, construction, inspection and commissioning activities. 2. They understand the need to update and archive the master schedule weekly. They record as-built data in the course of the update. They do not use detached weekly look-ahead …

The Association for the Advancement of Cost Engineering International, (aacei), introduced the Professional Scheduler and Planner Certification, (PSP), in 2006. Now, four years later, about 900 schedulers have been certified. I can tell you, the exam is rigorous. Only half of the candidates pass the test on their first attempt. I took the test last summer, (2009), and was sweating …