Project Requirements Are No Place for Solutions
Requirements are supposed to represent business needs, but sometimes, they reflect a solution stakeholders believe will help them. For a project to create value, you need to make sure requirements convey business needs not solutions. To scrub proposed solutions from your project requirements, make sure that:
- Requirements are written as “what statements,” not “how statements?” A requirement statement shouldn’t have any process constraints. The requirement should describe the desired outcome or condition, leaving the playing field open for different solution approaches. For example, “Shortening the manufacturing time by 15%” or “Reduce costs by reducing the parts inventory required to maintain the manufacturing line”. How to reduce the required parts inventory (for example, with computer modelling or by changing to longer-lasting parts) isn’t mentioned.
- Any constraints included in the requirement statement are in business terms. For example, increase profit by 15% without increasing expenses by more than 10%.
- There is a clear link between the requirement and a business need, problem, opportunity, or constraint. Also, all the stakeholders understand the reason for the requirement. Typical business needs are stated as profit, cost reduction, time, regulatory compliance, market share, and so on.
- The requirement describes a measurable outcome. Keep in mind, done/not done doesn’t count as measurable. For example, a target for reducing parts inventory could be 20%, 30%, or to where costs are reduced by $300,000. Actual results can be described as below, at, or above those targets. In comparison, installing and configuring a computer system (a solution, using technology) to optimize inventory levels is either done or not done. It does not directly reflect a business outcome.
- The requirement allows for creativity or agile learning. Requirements that don’t constrain approaches to solving a problem are the best examples of leaning into the “what” approach. For example, “Reduce the cost of maintaining an aircraft at the boarding gate” constrains creativity. The improvement must apply only when the aircraft is at the gate, rather than maintenance performed in a hangar. Note: There could be business instances when a specific condition like that is a true requirement. But try to avoid them unless necessary. The flexibility to be creative is important, especially in an agile world, where solutions can evolve during a project.
Homework! Go through the requirements for one of your projects, present or past, and see whether any “how to” requirements snuck in. If so, practice turning those into “what” requirements.
For more about defining requirements, check out Daniel Stanton’s Project Management Foundations: Requirements course.
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My course Project Management Foundations has been updated with several text-based entries in the Table of Contents. You can read up on the hybrid project management lifecycle, get tips on creating a project information system, review a checklist for effective meetings, and more.
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