Lesson 2.5 — Practice: Translating Needs to Functional Requirements
Section 2 · Lesson 2.5 · Approx. 30 min · Self-guided practice
Practice: Translating Needs to Functional Requirements
This lesson has no video. Study the worked example first, then complete the visitor and access-management exercise before checking the answer key.
Lesson content
The live webinar used a group exercise. This self-guided version preserves the same skill: translating an operational challenge into measurable must-have requirements, value-adding nice-to-haves and the questions needed to uncover hidden assumptions.
What you will learn
- Convert an operational need into measurable requirements
- Separate minimum performance from optional value-add
- Avoid brand names, platforms and premature technical prescriptions
- Ask questions that expose constraints and user requirements
- Review your draft against a structured answer key
Two-part exercise
Part 1 · Study the worked exampleReview the office-chair specification. Notice how posture, user range, compliance, load, delivery and warranty are expressed as measurable requirements.
Part 2 · Complete your own specificationFor the visitor and access-management scenario, write 3–5 must-haves, 3–5 nice-to-haves and 3–5 internal-customer questions. Check the answer key only after finishing.
Key terms
| Must-have | A critical minimum requirement; failure to meet it makes a solution unacceptable. |
|---|---|
| Nice-to-have | A non-mandatory feature that adds value and may be assessed through award criteria. |
| Measurable | Expressed so compliance or performance can be objectively verified. |
| Award criterion | A factor used to compare the relative quality or value of compliant tenders. |
Quality check for each requirement
Is it linked to the need? Is it measurable? Does it avoid brands and platforms? Does it leave room for alternative solutions? Is it truly mandatory—or should it be a value-adding award criterion?
Resources and next step
Worked Example — Office ChairCompleted specification with commentary.
Self-Exercise — Visitor & Access ManagementBlank worksheet with the answer key on the final page.
Reflection: Which of your draft requirements was hardest to make measurable without prescribing the solution?
