By combining small tasks and including a detailed description of the task it will be possible to simplify the schedule merely by reducing the number of tasks in the Gantt. The task effort estimates will be apportioned to individual roles and resources in the next task. Record all assumptions supporting the estimate in the task description. This is very important because it will enable you to recreate and substantiate the estimate. It will also ensure that you have thoroughly thoughout what is to be done, and that it is communicated clearly to the Team. Estimating takes time, but it will validate the tasks, products, techniques and.