Executive summary
The engineering director's role is to translate the business case's operational requirement into a verifiable technical specification, require independent verification of supplier performance claims before contract signature, freeze design at defined gates to prevent uncontrolled scope creep, and ensure technical risk is documented with the same rigour as commercial risk. The risk that lands on the engineering director is a project that is delivered on specification but still fails to meet the operational need it was meant to solve, because the specification itself was wrong or unverified.
What this role is accountable for
- Specification was written from a supplier's standard offering rather than the operational requirement
- Supplier performance claims have not been independently verified or tested
- Design changes are being accepted after the design freeze gate without formal review
- Technical risk is tracked less formally than commercial or schedule risk
- No pilot or factory acceptance test is planned before delivery to site
- Specification does not reference the operational data used in the business case
Where the leverage sits
Translate requirement into specification
Start from the operational need, not a supplier's standard product, when writing the specification.
Verify performance claims independently
Test or reference-check supplier claims before contract signature, not after delivery.
Enforce design freeze gates
Changes after freeze require formal review and impact assessment, not informal agreement.
Track technical risk formally
Give technical risk the same register discipline as commercial and schedule risk.
Require acceptance testing before site delivery
Factory acceptance testing catches deviations while they are cheaper to fix.
Comparison table
| Phase | Control | Purpose |
|---|---|---|
| Specification | Trace requirements to operational data | Prevents supplier-led scope drift |
| Supplier selection | Independent verification of claims | Reduces post-commissioning performance gaps |
| Design | Formal design freeze gate | Controls scope and cost creep |
| Manufacture | Factory acceptance testing | Catches deviations before site delivery |
| Commissioning | Technical risk register review | Tracks residual technical exposure to closure |
Technical risk controls by project phase
Risks and governance considerations
- A specification copied from a supplier's standard offering can pass every acceptance test and still not meet the operational requirement
- Unverified performance claims are a common source of post-commissioning disappointment
- Uncontrolled design changes after freeze are a major driver of both cost and schedule overrun
- Technical risk deserves equal register discipline to commercial risk, since it is often less visible until late in the project
- Factory acceptance testing is materially cheaper than discovering deviations after site installation
What to prepare
- A specification traceable to the operational requirement in the business case
- An independent verification plan for supplier performance claims
- A documented design freeze gate and change control process
- A technical risk register with the same discipline as commercial risk
- A factory acceptance testing plan before site delivery
What to measure
Frequently asked questions
Why would a technically compliant project still fail operationally?
If the specification itself was derived from a supplier's standard product rather than the actual operational requirement, compliance does not guarantee fitness for purpose.
Is factory acceptance testing always worth the added time?
For most significant equipment purchases, the cost of catching a deviation at the factory is materially lower than discovering it after site installation.
How should design changes after freeze be handled?
Through a formal change control process with an impact assessment, not informal agreement between engineers, so cost and schedule effects are visible.
Related investment and financing knowledge
Continue on the platform
Educational, supplier-neutral and financing-neutral
Global B2B Group does not sell equipment and does not represent lenders, export credit agencies or development banks. This material is published to help industrial organisations plan, structure and prepare capital projects. It is general information for decision-making, not financial, legal or tax advice.