Project estimating is one of the most important aspects of project management. By their very nature, projects have fixed budgets and their owners want to know how much they will cost. Hence, project estimating begins prior to project initiation and estimates are usually updated at important project milestones. A Rough Order of Magnitude estimate, often called ROM … [Read more...]
In project management, like most things in life, there is no free lunch. If you want to finish sooner, you will have to cut the project scope. If you want lower costs, you have to cut expenses. If you want higher quality, you have to pay more. This constant tug of war is called the Triple Constraint, also known as the Project Management Triangle, or the Iron … [Read more...]
Parametric estimating is a guaranteed inclusion on the PMP Exam. This article is assured to give you at least one point (but more likely four or five). Parametric estimating is a project estimation technique whereby a unit rate is used and multiplied by the number of units. For example: A house building project is estimated at $120 per square foot A contractor … [Read more...]
In 1986, the NASA Space Shuttle Challenger exploded spectacularly upon take-off in front of one of the largest live TV audiences in history (to that time). The investigation concluded that several tiny O-rings that sealed the rocket booster to the fuel supply failed. These O-rings were about 1 foot in diameter. Just like the tiny O-rings were able to bring down the … [Read more...]
Earned value analysis is a project management method used to calculate the project status from two perspectives: Schedule. Is the project ahead of or behind schedule? Cost. Is the project over or under budget? Let's say you are the project manager for the renovation of 3 hotel rooms. The tasks are as follows: Preparation. Jan. 1 - Jan. 10, … [Read more...]
Poor project cost management is one of the easiest ways to make a project go awry. Hence, good project management requires a firm grasp on the concepts and techniques in project budgeting and cost control. Thankfully, the Project Management Body of Knowledge (PMBOK) gives us a strong foundation in this area. Project Cost Management is the fourth of 10 … [Read more...]
Bottom up estimating is the project management technique of estimating individual tasks and then combining them into an overall project estimate. Often the individual project team members who will be performing the task provide the estimates, because they are in a better position to estimate a task that they will be working on. Types of Estimates Any of the three main … [Read more...]
