Design Review Information Center

The Design Review Information Center [DRIC] is a knowledge center on the subject of Design Reviews, Software Reviews, Code Inspections, and other proactive management processes and tools whose purpose is to eliminate or to find and remove errors in product design as early as possible. The term "Design Reviews," in practice, covers the gammut of reviews starting early in the development process to those reviews that occur all the way up to product launch. GGI's definition of Design Reviews differs slightly from the general practice definition. GGI defines Design Reviews as "reviews of design that occur prior to physically building a product or compiling code" -- therefore Design Reviews are "reviews of design, not reviews of as-built." GGI separates reviews of physical product or compiled code and generally refers to those types of reviews as Control Reviews, or more classically, Quality Control Reviews. Control Reviews answer the question, "Does the as-built product conform to the specification," as such GGI's definition makes Design Reviews a proactive tool and Control Reviews a reactive tool. While some of the knowledge in this site is of a Control Review nature, the vast majority of information in this site is aimed at proactive Design Reviews.

Design Reviews are traditional tools that have not lost their value over time. In fact, given ever shortening Product Life Cycles, the importance and economic value of Design Reviews is actually increasing. The earlier a design error can be discovered and corrected, the greater the ROI for the erring company.

GGI has been assisting clients and customers for the past 20 years in implementing Design Reviews and Control Reviews. We have now taken this proprietary internal capability and productized it.

The DRIC contains a number of free-of-charge references and information sources such as cost justification tools, books, articles, and standards organizations and references for your complimentary use. We also sell a number of tools including Procedures and Design Review templates for specific technical subject areas. All DRIC-related offerings are described within this site. To purchase any of the tools that we sell, please go to our GGI Wisdom iStore and click on "Design Reviews."

Design Review Motivation Guide - Costs & Benefits

This Motivation Guide is about the costs and benefits of utilizing Design Reviews. The least expensive error to change in a design environment typically costs US$ 1,500 and can range as high as US$ 10,000 in industries with complex products. Worse yet, the costs cited in the previous sentence apply to errors discovered in the late stages of design. When a company is in the production ramp up phase or worse yet, after product launch, the costs can be 1000 times greater than the costs of errors discovered late in design. GGI's most expensive tool available through this site costs US$ 190. Therefore, it's only necessary to catch or avoid one error and there is a minimum five-time payback over the purchase cost of any tool available through this site. We believe we are offering some very valuable tools for very short money.

Each of the content blocks below emphasizes different aspects as to why design reviews are important, or the costs that companies may face or incur as a result of not utilizing Design Review capabilities.

Design Review Checklist Descriptions*

The table below lists the currently offered Design Review Checklists and identifies some of the key attributes of each. The checklists for Product Definition and Strategic Design are useful early in the design cycle, when you save the maximum dollars for each identified product error. All other checklists can be used for design reviews early - prior to or for early prototypes - or later as control reviews - for late prototypes or a final product.

Because we want you to save the maximum dollars, the checklists focus on helping you find the errors early. GGI does this by asking questions that (we believe) prompt developers and reviewers to think about the key design issues for each technical domain.

By making the GGI checklist easy to implement, our intention is to help you unlock dollar savings by scheduling design reviews early and often. One implementation feature is their full ISO 9001:2000 compliance, to minimize documentation hassle. A second is compliance with accepted design-review processes, whether they be team-driven or independent-driven, comprehensive or focused, and formal or informal. Third, each checklist is an actionable to-do list, with clear outcomes and space for relevant comments. You will be able to take our initial template and add, delete, change, or move any of the Checklist line items in a completely intuitive manner and then update the Revision History, keeping your document ISO compliant at all times.

Design reviews have the potential to save dollars and hassle for everyone touched by your products. We hope that you find these checklists useful.

Click on each Domain to see a list of Categories covered in the Domain and a written description of each product.

*Figure is approximate. GGI is continuously updating and maintaining checklist line items.

Design Review Checklist Applicability

Certain Design Review checklists are more appropriate for certain industries. Certain Design Review checklists are more generally applicable and may serve many industries.

The table below is a guideline to help you synthesize which checklist(s) may be most appropriate for your company and industry.

Guide to Checklist Use by Various Industries
Industry
Product Definition	• • • • •   • • • • • • • • • • • • • • • •   • • • • •   • • • • • • • • • • • • • • • •   • • •   •   • • • • • • •   •       •   •     • • •   •   • • • • • • •   •       •   •     • •     •   • • • • • • •   •     • •   •     • • •   •   • • • • • • •   •       •   •     • • •   •   • • • • • • •   •       •   •     • • •   •   • • • • • • •   •       •   •     • • • • •   • • • • • • • • • • • • • • • •   • • • • •   • • • • • • • • • • • • • • • •
Strategic Design
Ilities Design
Power Supply Design
Mechanical Design
Electronics - Analog
Electronics - Digital
Electro-Optics
Software for OS & Apps
Software for Embedded

Design Review Checklist Timing

Certain Design Review checklists are constructed to be of value earlier in Product Development in the more conceptual stages and others are constructed to be of value in later stages.

The table below is a guideline to help you synthesize which checklists are most useful at given points in Product Development.

Design Review ISO 9001:2000 Procedure

There are many acceptable ways to define and document ISO procedures relating to design reviews. We have developed a written procedure that is ISO compliant and at the very least will serve as an editable template for you or your company. The procedure, like GGI's design reviews, is created and written in an MS Excel format. GGI has priced this editable procedure at $100.00. This procedure can be purchased at GGI's Wisdom iStore by clicking on this link: Design Review Procedure

Design Review Meeting Process [Release Date TBA]

There are many interpretations as to the best Design Review process. Generally, rigorous processes take more time and return greater value. Processes where reviewer feedback is binding on the reviewees are usually more rigorous. Many companies still prefer less rigorous processes regardless of value considerations; cultural acceptance is the most important process selection criteria.

Design Review Bibliography

Behind each of the icons below are a list of references that may be of use to you or your company as you work to improve your design review process. The references listed are fairly complete but by no means exhaustive. If you are aware of additional high-quality reference materials, we would love to get an email from you so we can include it in this bibliography.

Design Review Reference Standards Bibliography

Behind each of the icons below are selected referencable industry standards that may be of use to you or your company as you work to improve your design review process. Please remember that standards are constantly being changed or updated. If you are aware of any more recent versions of any of the standards listed, we would love to get an email from you so that we can update the bibliography.

Pricing Description and Policy

GGI offers both Corporate Licenses and Supply Chain Licenses (costing 50% more) in our Wisdom iStore for each Design Review tool we sell. Corporate Licenses allow use of any tool on a company-wide basis, within the company. Supply Chain Licenses include all of the aspects of Corporate Licenses and additionally allow the Corporate Licensee to also use and share the tool or document and its contents across the entire supply chain of the licensing corporation. With the ever increasing trend of outsourcing design, GGI's Supply Chain License puts the power in the hands of the purchaser to keep pace with the realistic working environment of the 21st century.

Whether you purchase a Corporate License or a Supply Chain License, GGI will send you an email, shortly after your purchase, with a user ID and passcode giving you access to our secure website where you will be able to login and download either a single native MS Excel document, or a ZIP file containing multiple MS Excel documents in the event you purchase a "Checklists Pak."

To purchase any of these tools, please go to The Wisdom iStore and click on "Design Reviews", or you may see the individual products by clicking "Procedure" or "Checklists."

*A "Checklists Pak" is a bundling of two or more individual Design Review templates that have a close logical or technical relationship. For instance, one of the "Paks" GGI offers includes the "Mechanical Design" Checklist and "Ilities Design" Checklist. The Mechanical Design Checklist focuses on designing the product to achieve the specification of the product, while the Ilities Design Checklist focuses on designing the product to achieve manufacturability, testability, serviceability, and the other necessary "ilities." A robust design cannot be achieved without both tools. We have also bundled a number of Power-Electrical-Electronic Design Checklists into a Pak. The same applies for Operating Systems-Applications-Embedded Software Design Checklists which are also offered as a Pak.

Design Review Suggestions

If you would like to share your thoughts with us on any aspect of Design Review processes and tools, we would appreciate the opportunity to hear your thoughts. If you have questions, we will do our best to try and answer them. Please send all correspondence regarding Design Reviews to the Design Review Mogul via email at

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P.O. Box 350, Dedham, MA 02027-0350
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