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...]
Estimating Task Durations
Estimating task durations is one of the fundamental parts of project management. It involves the estimation of the amount of time required by a certain project activity given the available resources. This happen directly after cost estimating. In the Project Management Body of Knowledge (PMBOK), the main output of the Estimate Activity Duration process are Activity … [Read more...]
Using Network Diagrams to Keep Your Projects on Track
Have you ever been involved in a project where unexpected issues outside of the control of the project team cause the project schedule to change? Never? I didn't think so, you're way too good for that. But for the rest of us mere mortals, keeping projects on track is an important consideration. Actually, I think larger projects are more likely to see schedule hiccups … [Read more...]