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Review Checklists: Detailed Design Review
Quick Summary
A checklist for conducting a Detailed Design Review after a preliminary specification has been written, and sufficient detailed design work and/or simulation has occurred.
What this is
A checklist for conducting a Detailed Design Review (DDR), part of the Quality Rapid Product Development (QRPD) methodology. Detailed Design Reviews are held during the Execution Phase, after a preliminary specification has been written, and sufficient detailed design work and/or simulation have occurred. These reviews will be held at the level of individual system or design modules, and at the product or system level as well, to ensure that the entire design concept "hangs together".
Why it's useful
To ensure that the design meets the Project Vision and other detailed functionality and design requirements. The purpose of the review is to find flaws or suggest improvements in the design at a detailed level before proceeding to a prototype. The later flaws are found, the more it is likely to cost to fix those flaws. A well-done DDR will enable the team to find design issues early.
How to use it
- The individual DDRs can be called by the developers of each subsystem as they are ready to have the team look at their design. Often there will be multiple DDRs per subsystem- it can be quite effective to have multiple reviews as the design progresses. Again, the goal is to catch issues as early as possible!
- The project-level Detailed Design Review should be organized and led by the project team leader.
- Design users, resident experts, peer designers, and cross-functional team members should participate in these DDRs, to ensure thorough review and assessment of readiness to proceed to prototype fabrication and testing.
Preliminary Design Review Checklist
Allows the Project Leader and team to suggest alternatives in product performance, time-to-market, product and project cost, and risks. Design should only have occurred at the sub-system and block diagram level at this point.
Critical Design Review Checklist
Held when a prototype exists that everyone can huddle around and constructively criticize.
Final Design Review Checklist
Held after all design and documentation and most if not all testing is completed. Last milestone in the design process before release to pilot manufacturing.
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