Posts by Rob Newbold

Task Safety Time

How do you estimate task durations in the face of uncertainty? This picture illustrates why any realistic duration estimate will include safety time. Task X needs somewhere between 3 and…
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Critical Chain Overview

Planning the Project Project workers face a difficult challenge: they have to create schedules that will never be correct. Task deadlines can only be met if they have lots of…
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Going with the Flow

Over the past few years, the concept of “Flow” has become more and more popular in Critical Chain circles. The basic concept is easy: value “flows” from an organization in…
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Fever Chart Regions

I am sometimes asked how one should decide where the red, yellow, and green regions for a fever chart should go. In this post I will talk about the basics.…
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Earned Value and Critical Chain

Two questions were asked on the LinkedIn “Earned Value Management” forum: “Q1. What are the WEAKNESSES and LIMITATIONS of EVM? Q2. Can EVM schedule forecasting methods provide us RELIABLE EARLY…
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