The Waterfall method is a time-honoured project management approach established in the 1970s. It is a method that involves completing project tasks and phases in a sequential and linear manner; here, every project stage is completed before moving on to the next.
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In other words, you can only move forward once you’ve completed the previous step. This approach is still widely used today, particularly in industries where the project’s scope is well-defined and a clear understanding of the work required to succeed.
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Projects go through the following stages in the Waterfall Methodology:
1 – Requirement
2 – Analysis
3 – Design
4 – Construction
5 – Testing
6 – Deployment & maintenance
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Continuous progress is what defines this Methodology. Like a waterfall, projects move in a clearly defined direction that is carefully outlined and planned for.
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With this methodology, room for error is minimal should expectations not match reality. Also, there’s no going back to a previous stage once completed.
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Utilise the Waterfall methodology if:
– Your project end goal is clearly defined (and is unlikely to change).
– Stakeholders know what they want.
– Your project flow is consistent and predictable (i.e., it will stay the same).
– You work in a regulated industry that requires extensive project tracking or documentation.
– You need to bring new people into the project midway through and quickly get them up to speed.