When you, the project manager, need to make sure a project finishes on time, there is a science as well as an art form involved. But the science tends to enhance the art, in other words, if you know the science you will be that much better at practicing the art form. In yesterday's post we outlined the critical path method which is the professional project manager's … [Read more...]
How to Calculate Critical Path
Every profession has a unique way of thinking, a perspective that must be adopted to practice it well, and project management is no different. In this day of agile project management, critical paths are as important as ever. Yes, it's a hard number, that is, a calculation that results in a completion date for a set of tasks. But more than that it's also a mindset. … [Read more...]
What is the Schedule Performance Index?
In project management, getting an early indication of problems is the silver bullet that allows the project manager to correct the problems before they start. The Schedule Performance Index, usually abbreviated as SPI, is one of the fundamental outputs of Earned Value Management. It tells the project manager how far ahead or behind the project is at the point of … [Read more...]
What is Schedule Variance?
In project management, getting an early indication of problems is the silver bullet that allows the project manager to correct the problems before they start. Schedule Variance, usually abbreviated as SV, is one of the fundamental outputs of Earned Value Management. It tells the project manager how far ahead or behind the project is at the point of analysis (usually … [Read more...]
The Earned Value Formulas
Earned Value is a method of calculating project status. It does this from two perspectives: Time (schedule) and Cost. After applying the earned value method the project manager will know whether the project is: behind or ahead of schedule. over or under budget. In this post we will outline each formula in the earned value management system. The first three … [Read more...]
The Project Organization Chart
Projects span a huge spectrum from big to small, innovative to routine, and technical to repetitive. But there is, in fact, a standard project organization chart within which all projects fall. The project management model within the PMBOK, as well as other project management methodologies, define this standard structure. The project management organization chart … [Read more...]
Estimating Activity Durations
Like the tiny O-rings that brought down the space shuttle Challenger, one small underestimation often results in a chain reaction that the project can't recover from. Therefore, project planning needs to make sure that enough time is assigned to each task. Once the project has been divided into activities and resources assigned to those activities, the next step is to … [Read more...]
Types of Task Dependencies
In project management, all tasks have dependencies. If they didn't they wouldn't be part of the project. That is, a task that doesn't need to be completed in order to finish the project is not part of the project. It's an orphan adrift at sea. There are four types of task dependencies, and each one has its own specific reason why you would use it. … [Read more...]
Guide to Lean Six Sigma
Six Sigma is quality. Lean is speed. The synergy of both is the most powerful engine available today to sustained value creation. Six Sigma was developed as a quality improvement system by Motorola and gained widespread traction in the 2000's with high profile adoptions by General Electric, Honeywell, and others. Lean originated out of the Toyota Production … [Read more...]
Guide to Developing the Project Activity List
If there is only one foundational part of project management, it would have to be breaking down the project into manageable parts. Those parts are called phases and tasks. Everything else is built upon that foundation, so it should not be taken lightly. Although it seems trivial, it is one of the most important parts of a project manager's job. Example … [Read more...]