Engineering Design Review Checklist (Free, Printable)

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9 critical items still open - these are the highest-risk gaps.

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Requirements and scope

Customer and regulatory requirements are documented and traceable to design featuresCRITICALOperating environment, life and duty cycle are definedInterfaces to other assemblies and systems are specifiedSafety-critical and key characteristics are identified and flaggedCRITICALOpen requirement changes are listed with ownersTarget cost and volume assumptions are recorded

Design and analysis

Tolerance stack-up has been done for critical fitsCRITICALStructural, thermal or electrical analysis is complete where neededMaterial selection is justified and available from approved sourcesDesign FMEA is created or updated and high-risk items have actionsCRITICALStandard and catalog parts are used where practicalDrawings follow the company drafting standard with GD&T where requiredPrevious issues and lessons learned have been considered

Manufacturability and assembly

DFM review done with manufacturing for machining, forming or moldingCRITICALDFA review done: fasteners reduced, orientation obvious, mistake-proofedTooling, fixtures and gauges are identified with lead timesProcess capability is considered for tight tolerancesInspection and test access is designed inPackaging, handling and ESD or corrosion needs are defined

Supply chain and cost

Long lead and single-source parts are identified with mitigationCRITICALObsolescence and end of life status checked for electronic and bought-in partsQuotes obtained and BOM cost compared to targetCountry of origin and trade restrictions checked where relevantSupplier capability and quality history reviewedAlternates and second sources are listed

Verification and validation

Test plan covers every requirement with a pass or fail criterionCRITICALPrototype or pilot build results are recorded and reviewedReliability, life or environmental testing planned or doneCertification, approvals or standards compliance plannedFirst article inspection plan defined

Release readiness

BOM is complete, correct and matches drawingsCRITICALPart numbers follow the numbering policy and no duplicates existDrawings and models are at released revision and approvedCRITICALWork instructions, routings and control plan are draftedService, spares and documentation needs are addressedOpen actions have owner, due date and impact on releaseReview decision and attendees are recorded

Mark each item complete, not applicable or open. Critical items must be closed before release to production. Treat a score below about 85 percent, or any open critical item, as a reason to hold the gate and schedule a follow-up review.

Release-readiness checks from ERP data

Optional: we can review which release checks, such as BOM completeness and duplicate parts, can be run directly on your ERP data.

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How to use the design review checklist

Run the checklist at each design gate, such as concept, preliminary, critical design and release to production. Not every item applies at every gate: early reviews focus on requirements and risk, later ones on manufacturability and release data. Work through the groups with the right people in the room, including manufacturing, quality and purchasing, not only designers. Tick items that are done, mark non-applicable ones, and leave open items visible with an owner. Export the result to PDF or Excel as the review record and attach it to the project file or the change request.

Invite manufacturing, quality and purchasing, not just engineering
Review the checklist before the meeting, not during it
Record decisions and open actions with owners and dates
Close critical items before release

What a good design review looks for

The best reviews challenge assumptions rather than confirm them. Look for requirements without a verifying test, key characteristics with no capable process, single-source parts without a plan, and drawings that disagree with the BOM. Tolerance stack-up and FMEA are the two analyses that most often prevent expensive surprises, so the checklist treats them as critical. Design for manufacturing and assembly reviews should include the people who will build the product, because their feedback on access, fixtures and sequence is usually the highest value input at this stage.

Reading the result

A high percentage tells you the design is mature, but the critical items matter more than the overall score. One open safety item outweighs ten closed documentation items. Use three outcomes: approved to proceed, approved with conditions and actions, or not approved with a follow-up review scheduled. Record which outcome applied and why. For regulated or customer-driven programs, check whether the contract defines specific review milestones and entry or exit criteria, and align this checklist with them.

Common mistakes

Common failures include treating the review as a presentation instead of a challenge, holding it too late to change anything, and failing to follow up on actions. Another is ignoring the BOM and part number data until the end, so that release is delayed by errors that could have been caught earlier. Keep a record of review findings by category over time; recurring themes such as tolerance problems or missing second sources show where your design process needs structural improvement.

Frequently Asked Questions

When should a design review be held?

At defined gates, typically concept, preliminary design, critical design and release to production, plus after significant changes. Schedule them in the project plan so they are not skipped under time pressure.

Who should attend a design review?

The designer, an independent engineer, and representatives from manufacturing, quality, purchasing and, for some programs, service and the customer. Independence matters: the person who designed it should not be the only reviewer.

What is the difference between PDR and CDR?

A preliminary design review checks that the concept and architecture meet requirements and risks are understood. A critical design review checks that the detailed design is complete and ready for build or release. Names and exit criteria vary by industry.

Do I need a design review for a small change?

Scale the review to the risk. A minor change may only need a quick review through the change control board, while anything affecting safety, interchangeability or regulatory status needs a full review.

Netray can help connect design review findings and release data to your ERP so BOM, routing and item data is checked automatically. The checklist works fine standalone.

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