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The Lean Post / Articles / 12 Wastes of Product & Process Development

12 Wastes of Product & Process Development

Product & Process Development

12 Wastes of Product & Process Development

By Katrina Appell, PhD and John Drogosz, PhD

August 2, 2019

The wastes found in manufacturing are well known and relatively visible. But as you move upstream into the very different realm of product development, wastes become harder to see but are just as prevalent. This list of a "dirty dozen" PD wastes, courtesy of Katrina Appell and John Drogosz, will open your eyes.

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The wastes found in manufacturing have been well documented over the years. As we move upstream into product development, the environment is clearly different, but waste is unfortunately just as prevalent. It is harder to “see” as it morphs itself into different categories than those found in the factory. Based on the works of Jim Morgan, Jeff Liker, Allen Ward and our own experiences, below are some wastes commonly seen in product and process development.

1. Handoffs

Transferring information or material from one party to another. While most handoffs in product development are done electronically nowadays, a lot of waste can be generated due to misunderstanding the information being transferred and/or waiting for feedback from others.

2. Waiting

Waiting for data, answers, decisions, review events, and capacity (people or machine). This is one of the most common wastes in product development and can account for more than 30% of the project lead times.

3. Overdoing

Effort and expense expended to generate data that is never used. This is similar to over-processing in the factory. We are creating more and more data but is it really (re)usable knowledge that creates value? Status updates and reports are also areas where we tend to overdo.

4. Rework/Redundant Tasks

Redoing the same work over again – fixing an error, multiple reviews of the same information or multiple approvals. Some iterations using point-based development approaches also lead to a lot of rework and lost time. Not getting cross-functional inputs at the right time can also drive re-design/rework.

5. Stop and Go Tasks

Each time a person has to reorient themselves to a task. It requires multiple “setups” causing additional effort and delays. While giving the illusion that we are progressing, some multitasking can drive stop & go and extend lead times.

6. Reinvention Waste

Re-creating or rediscovering knowledge that we already have and can reuse. This also includes knowledge available outside an organization. “Not invented here” can be a driver of reinvention.

7. Unused/Misused Talent

People working on projects and tasks that customers do not want or need. This is one of the worst wastes as not fully utilizing the talent of our most valuable asset – our skilled people can be demoralizing. Nobody wants to work on a product that a customer does not buy! Remember lean is all about enabling people.

8. Transaction Waste

This is the time and effort arranging for work to be done (e.g., contract negotiations, quotations, resource scheduling, financial reporting). Some of these tasks are non-value added but required while others are wasteful distractions from our value-added work.

9. High Process and Arrival Variation

Process variation can be caused by everyone doing tasks in their own way or because they have not been fully trained to a standard process. This typically leads to arrival variation as variable task times lead to uncertain delivery of outputs to downstream customers.

10. System Over-utilization

Inserting too much work into a system. Once systems reach approximately 80% utilization, small increases in work dramatically increase lead times of all work in a given system. Large batch releases are large contributors to over-utilization as they overburden people and increase cycle times. Over-utilization can happen at any level – projects, departments, and individuals’ desks.

11. Waste of Wishful Thinking

As first identified by Allen Ward, widely considered a pioneer in the field of lean product and process development (LPPD), this waste can take several forms. Wishful thinking can be seen in making decisions with inadequate knowledge, setting arbitrary timelines, estimating times to complete tasks, and overly optimistic expectations of learning or discovering new knowledge.

12. Unsynchronized Concurrent Tasks

One of the most insidious wastes. It seems like the right thing to do to work concurrently, but unsynchronized concurrency is often the root cause of a great deal of the other wastes mentioned above. More to come on the Dark Side of Concurrent Engineering in an upcoming post.

Maybe you have seen some of the above waste in your processes? With everyone so busy with all the work that needs to be done on a day-to-day basis, we sometimes simply take the above wastes as just being part of the work.  However, the only way to free up your time to create new value is to start seeing and eliminating these wastes. A good way to see and understand the wastes together is through a product development value stream map.

Subscribe to the Design Brief Newsletter for information, insights, and inspiration — articles, videos, and interviews with coaches and practitioners who are pioneering more effective ways to develop new products and services.

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Written by:

Katrina Appell, PhD
|
John Drogosz, PhD

About Katrina Appell, PhD

Katrina Appell has 15-plus years of coaching, facilitating, training, and team development experience. Previously, she served as a senior lean consultant at Liker Lean Advisors, focusing on supporting organizations in lean product and process development, and as a lean coach at the University of Michigan Health System. Working with Jeff…

Read more about Katrina Appell, PhD

About John Drogosz, PhD

John has over 20 years of lean manufacturing, product development, and above shop floor experience. As a vice president at Liker Lean Advisors, he has led lean transformations in numerous companies and industries, including Northrop Grumman, Johnson Controls, Areva, Peugeot-Citroen, Tenneco, Eaton, Hertz, Schlumberger, Harley-Davidson, Embraer, and Caterpillar. John currently…

Read more about John Drogosz, PhD

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