The collaborative, commitment-based planning system that integrates “should-canwill-did planning” (pull planning, make-ready look-ahead planning with constraint analysis, weekly work planning based upon reliable promises, and learning based upon analysis of Percentage of Plan (or Promises) Completed (PPC) and Reasons for Variance ^[1]

[1] The Massachusetts Port Authority, 2015. BIM Guidelines for Vertical and Horizontal Construction.