Keep engineering changes under control

Engineering change is inevitable. Procurement mistakes, obsolete parts, build delays and documentation problems are not.

Download The Engineering Change Control Playbook for Bespoke Projects guide to understand how changes should move through design, procurement, stock, build and project documentation without losing control along the way.

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Download our Guide

What you’ll find inside

The three questions that keep a change under control

What changed? What has already happened downstream? What must happen next?

The seven-stage change control process

Move from raising and containing a change through to implementation, verification and closure.

Impact assessment before approval

Review technical, procurement, stock, build, cost, schedule, quality and documentation consequences before release.

When parts are already ordered or in build

Practical actions for live POs, supplier commitments, stock, work in progress and obsolete items.

Clear ownership and decision rights

Define who owns, approves, implements and verifies each stage of an engineering change.

A worked long-lead component scenario

Follow one change from an existing Revision A order through to the approved new state and final delivery pack.

A 12-question revision-risk self-assessment

See where your current process still depends on manual reconciliation or individual knowledge.

A practical 30-day improvement plan

Start with one live project, one named champion and one controlled result.

A practical playbook, not a software brochure

The aim is not more paperwork.

Use the playbook to review one live or recently completed project, see where control is being lost and identify which decisions need to stay connected across engineering, procurement, stock, build and documentation.

The method can be applied whether your current process relies on specialist software, spreadsheets, shared folders or a combination of systems.

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How IMPS supports engineering change control

IMPS connects controlled engineering information with procurement, stock, build activity and project documentation so downstream teams can act on the latest approved state.

The control remains with your team. IMPS provides the workflow and evidence, while engineering and project stakeholders retain the decisions around release, purchasing, production and the disposition of existing components.

Frequently asked questions

What is included in the playbook?

 The playbook includes the three-question diagnostic, a seven-stage change control process, impact-assessment checks, guidance for parts already ordered or in build, a worked long-lead component scenario, a 12-question revision-risk self-assessment and a practical 30-day improvement plan. 

Who is the playbook intended for?

 It is designed primarily for engineering directors, design leads and project managers working on complex, bespoke projects, with practical relevance for procurement, operations, quality and senior business leaders. 

Is the playbook specific to IMPS?

 No. It is a practical engineering change control resource that can be used to review your current process. The final section shows how IMPS can support the workflow, but the method does not depend on using IMPS. 

What if a part has already been ordered when the design changes?

 The playbook shows how to contain the existing commitment, assess supplier, stock and build exposure, decide what can continue, be amended, reworked or held, and keep the resulting decision traceable. 

What happens after I submit the form?

 You'll get immediate access to the PDF. You can then use the revision-risk self-assessment or the 30-day improvement plan to review one live or recently completed project. 

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Keep the next change from becoming a downstream problem

Use the playbook to review how one real engineering change moves through design, procurement, stock, build and final documentation.