## Output vs. Takt Time

The team’s challenge is to reach steady output of 180 units per hour.

Their starting condition was about 150 per hour. Their equipment and process is theoretically capable of making the 180 per hour with no problem.

They calculated their takt time (20 seconds) and established a planned cycle time of 17 seconds.

Some time later, they are stuck. Their output has improved to the high 160s, but those last 10-12 units per hour are proving elusive.

This is the point when I saw their coaching cycle.

Looking at their history, they had set a series of target conditions based on output per hour. Their experiments and countermeasures had been focused on reducing stoppages, usually on the order of several minutes.

“Does anybody have a calculator?”

“Divide 3600 seconds by 180, what do you get?”

“20 seconds.”

“Do you agree that if your line could reliably produce one module every 20 seconds that you would have no trouble reaching 180 modules per hour?”

Yes, they agreed.

“So what is stopping you from doing that?”

They showed me the average cycle times for each piece step in the process, and most were at or under 15 seconds. But averages only tell a small part of the story. They don’t show the cumulative effect of short stoppages and delays that can cascade through the entire line.

The team had done a lot of very good work eliminating the longer delays. But now their target condition had to shift to stability around their planned cycle time.

Performance vs Process Metrics

This little exercise shows the difference between a process metric and the performance metric.

Units-per-hour is a performance metric. It is measured after the fact, and tells the cumulative effect of everything going on in the process. In this case, they were able to make a lot of progress just looking at major stoppages..

Stability around the planned cycle time or takt time (you may use different words, that’s OK) is a process metric.

It shows you what is happening right now. THIS unit was just held up for 7 seconds. The next three were OK, then a 10 second delay. It’s those small issues that add up to missing the targeted output.

The team’s next target condition is now to stabilize around their planned cycle time.

Since they averaged their measurements, their next step is to (1) take the base data they used to calculate the averages and pull the individual points back out into a run chart and (2) to get out their stopwatches and go down and actually observe and time what is really going on.

I expect that information to help them clarify their target condition, pick off a source of intermittent delay, and start closing the remaining gap.

## Lean Thinking in 10 Words

Pascal Dennis, in his book Getting the Right Things Done sums up lean thinking in 10 words:

“What should be happening?”

“What is actually happening?”

I would contend that everything else we do is digging out answers to those questions. (yes, there is a bit of hyperbole here, but I want to get you to think about how true this is vs. how false it might be.)

I think “lean thinking” is really a structured curiosity. Let’s take a look at how these questions push us toward improvement.

“What should be happening?” is another form of Toyota Kata’s “What is your target condition?” In our conversations, we often jump straight to “We need to…” language, a solution, without being clear what the problem is.

I’ll set that back by asking questions like “What would be happening if the problem is solved?” “Can you describe that?”

When Toyota trained people ask “What is the standard?” this is what they want to know, because, to them, a “problem” = “a deviation from the standard.”

“What is actually happening?” or “What is the actual condition now?”– Once we are clear where we are trying to go, it is important to grasp where we are now in the same terms as the target.

Something I see quite a bit is a target condition expressed with different terms, measures, and variables than the current condition. You must be able to relate between the two in a way that defines and quantifies the gap that must be closed.

“Please Explain” cuts across the current condition and the obstacles (in kata terms). What do you understand about the gap between what should be happening and what is actually happening?

If the process has deteriorated, what has changed? Why is it that we cannot hit the standard today when, last week, we could? When did it change? What do we know about that? Why did it change?

If you tried to run to the new level, what would keep you from doing it that way? (what obstacles do you think are now preventing you from reaching your target?)

Depending on which of these conditions we are dealing with will fundamentally change the path toward a solution, so it is critical we understand “What should be happening?” or “What is the target condition?” as a first step, then look at the history of the actual condition.

If the process has eroded, what do we know about what has changed in the environment?

All of this is the foundational baseline… the minimum understanding I want to hear before we entertain any discussion about what actions to take, what to change, what to do.

## Coaching with Intent

As I continue to explore the concepts in David Marquet’s Turn the Ship Around, I am finding increasing resonance with the concept of intent. I’d like to explore some of that in relationship to lean, “Toyota Kata” and organizational alignment.

For a quick review, take a look at the sketchcast video, below, and focus on the part where he talks about “we replaced it with intent.”

I think the critical words are “You give intent to them, and they give intent to you.”

OK, are you back?

In my experience, “intent” has traditionally been a one-way communication. “This is what we need to get done.”

A few months ago I was in a plant, discussing this principle. One of the managers expressed frustration saying “I think I was very clear about what I expected…” (And he was) “but then when I checked he had done something totally different. How does this work for that situation?”

What was left out of that conversation?

…and they give intent to you.

Let’s put this in Toyota Kata terms.

What is the relationship between the “Challenge” and the “Target Condition?”

Think about how the target condition is developed.

Start with the challenge – this is the level of performance we are trying to achieve – the “mission” in military terms, the overall intent of what we are trying to get done.

Once the direction and challenge (the intent) are understood, the improver / learner’s next task is to get a thorough understanding of the current condition. How does the process operate today? What is the normal pattern? Why does it perform the way it does? This should be focused in context of the direction / challenge / intent.

Then the learner (NOT the coach!) proposes the next target condition.

Depending on the level of skill in the learner, the coach may well be assisting in developing all of this, but it is the learner’s responsibility to do it.

Imagine this conversation: as the learner / improver is discussing the target condition, he relates it back to the challenge as a verification for context.

“The overall challenge we have is to _______. As my first (next) target condition, I intend to _____ (as the learner relates his next level of performance, and what the process will have to look like to get there).

Adding the words “I intend to…” to that exchange has (for me) proven to be a powerful tool when learners are struggling to embrace / own their target conditions. Those words establish psychological ownership vs. seeking permission.

The same structure can be applied to the next step or experiment.

“What is your next step or experiment?”

I intend to (fill in your experiment here).”

Going back to the sketchcast video, remember the part where he says:

“Captain, I intend to submerge the ship.”

“What do you think I’m thinking right now?”

“Uh…. hard to tell… I’m guessing you want to know if it’s safe.”

“BINGO! Convince me it’s safe.”

“Captain, I intend to submerge the ship. All men are below. All hatches are shut. The ship’s rigged for diving. We’ve checked the bottom depth. We’re in the water that’s assigned to us.”

In not only stating intent, but going through the checklist, the “learner” demonstrates that the intent will be carried out competently, or not.

We are asking the same questions when we ask about the next experiment, what outcome is expected. Logical follow-on questions could include seeking assurance that the experiment actually addresses the stated “one obstacle” being addressed (this is the right thing to do) and that learner has a plan to carry out the experiment that makes sense, knows what information he intends to collect, what observations he needs to make, and how he intends to do these things (that it is being done competently).

At an advanced level, a good answer to “What is your next step or experiment?” could (should!) include all of these elements – enough information to convince the coach that it is a good experiment, seeking the right information, in the right way.

It becomes  “to address that obstacle, I next I intend to (take these steps, in this way, with these people) so that (fill in expected outcome). I intend to measure here and here, and verify my results by…”

Of course as a coach, if you have a learner who is unsure how to proceed, or looking to be told what to do (which is quite common in organizations that have to overcome a command structure where the boss is the problem solver), how do you need to phrase your coaching questions to get the next level of responsible language out of your learner’s mouth?

If they are waiting to be told what to do, how do you get them to offer an opinion?

If they are offering an opinion, how do you get them to offer a recommendation? Is it well thought out? “What result do you expect?” “How do you expect to achieve that result?”

If they are offering a well thought out recommendation, how do you get them to express an intent? What do you have to hear to be convinced that intent is well though out?

I want to be clear: This is advanced stuff, but it goes hand-in-glove with the coaching kata.

And, to give credit where credit is due, it is all the work of David Marquet. I am just adapting it to the kata here.

## Competence and Clarity: Toyota Kata at Sea

A friend, and reader, Craig sent a really interesting email:

As I was practicing the coaching Kata with one of the First Mates on the factory trawler, whenever an issue arose (usually with the leader blaming an employee) he began asking factory and engineering leadership “what needed to be communicated?” or “what needed to be taught?” He found it encompassed every problem on the vessel and I loved that he made it his own and communicated in manner to which lifetime fishermen could relate.

What I found really cool about this is how it is exactly the same conclusion reached by David Marquet, both in the sketchcast video I posted earlier, and the titles of two chapters in his book. The reasons leaders feel they must withhold authority, remain “in control” ultimately come down to competence – what must people be taught, or clarity – what have we failed to adequately communicate. Maybe it’s being at sea.

In other words, if people know what to do (clarity), and know how to do it (competence), then leaders generally have no issues trusting that the right people will do the right things the right way.

The Improvement Kata  is a great structure for creating and carrying out development plans for leaders (or future leaders) in your organization.

The Coaching Kata is a great way to structure your next conversation to (1) ensure clarity of intent: Does their target condition align with the direction and challenge? and (2) develop their competence, both in improving / problem solving, but also in their understanding of the domain of work at hand.

## Cruise Ship Cabins on an Assembly Line

Royal Caribbean Cruise Lines released a cool P.R. video showing the production of cruise ship cabins on an assembly line with a 14 minute(!) takt time.

The key point, for me at least, is that even “big one-off things” can often be broken down into sub-assemblies that have a meaningful takt time of some kind. We have to look for the opportunities for what can be set up to flow vs. reasons why we can’t.

## Flipping Tires

A couple of weeks ago I was talking listening to the owner of a medium-sized manufacturing company as he shared his experience of various “lean” consultants, books, etc.

One of the stories he told was about a kid at football practice. (For my European readers, this is about “American Football.”) The coach had the linemen doing drills that involved flipping over large tractor tires.

Over and over. Wax on, Wax off.

Of course, they weren’t just doing it to flip over big tires. They were learning to get leverage, use the strength of their legs, and the motions of managing momentum.

The kid, though, was complaining about flipping tires and wondering why they just didn’t play.

The danger here is we have people doing the equivalent of sitting in the bleachers watching this football practice. “Ah – they flip tires. We need to flip tires too.”

Right thing, but no context.

What this business owner was, correctly, objecting to was consultants coming in and putting people through tire flipping drills without giving them context… the why? of doing it.

Worse, they had not distinguished between flipping tires and playing the game.

Of course in our continuous improvement worlds, we have to play the game every day, and usually work on our development at the same time.

Still, we need to be clear what things we are doing to facilitate practice and learning, and what it looks like when we are “just doing it.”

Here is a test: Which of these is different from the others:

1. Hoshin kanri
2. Kanban
3. Toyota kata
4. Standard work
5. Value Stream Mapping

This may be controversial, but I don’t think “Toyota Kata” belongs on this list.

Toyota Kata is flipping tires. Yes, we are practicing on the field, usually during the game, but it is a method for practice.

The book Toyota Kata and most of the materials out there describe that practice in the context of production systems and process improvement. That works because these are physical processes, and we can see and measure our results.

But Toyota Kata is about learning a habitual thinking pattern. It is the same thinking pattern behind Hoshin kanri. And standard work. And Value stream mapping. And kanban. And leadership development itself.

It is the same thinking pattern behind successful product development, entering new markets, and taking on personal growth and challenge. It is the same thinking pattern behind cognitive therapy.

Don’t confuse Toyota Kata with part of the system. It is how you practice the thinking behind any system (that works). (The same thinking patterns are behind Six-Sigma, Theory of Constraints, TQM, pure research, Toyota Business Practice, Practical Problem Solving, the list goes on.)

The confusion comes in because, in practice, Toyota Kata looks like a tool or part of the system itself. We teach people the theory behind it standard work; we teach people the theory behind Toyota Kata. We go to the shop floor and put it into practice.

The difference is that the standard work is intended to stay there, as a work environment where it is easier to:

• Define the target condition.
• See the current condition.
• Detect obstacles as they occur.
• Quickly implement isolated changes as experiments and see the results.

Standard work gets into place out of necessity because batching and arbitrary work cycles would be an early obstacle to seeing what is going on.

Kanban does the same thing for materials reorder and movement.

Value stream mapping is a structure for applying the thinking that TK teaches a higher operational context.

Hoshin is a structure for applying the thinking that TK teaches to a strategic context.

I could go on listing just about all of the things in the so-called “toolbox.”

The kids were flipping tires to develop the fundamental skills and strength required for blocking and tackling.

Toyota kata is a structure to develop the fundamental skills required to use any of the “lean tools” correctly.

Hopefully this generated a little thought. Comments anyone?

## Standards: Notes On A Whiteboard

I saw this on a client’s whiteboard this morning. (Actually I saw it a while ago, but just took the photo.)

By having a clear expectation about what is supposed to happen, they can work to converge the process toward some kind of consistency. The opposite is just accepting whatever happens as OK.

By having a degree of stability, it is easier to see issues and opportunities, that in turn, allow them to set the next level of standard.

He put it up there to remind him when he is distracted in the day-to-day fray that “What are we trying to achieve?” is the important first question to ask.

Remember, there is no dogma. Your choice of words and definitions may vary. But these work for him.

## Curiosity

The tenor of what “lean” is about is shifting, at least in some places, toward the line leader as improver, teacher and coach. Successfully adopting that role requires a qualification that I wish I saw more of as I work with industrial clients – curiosity.

To succeed in this role, a supervisor must be intently curious about, not only the minute-by-minute performance, but what things are affecting it, or could affect it.

Even if he is just walking by, his eyes must be checking – is there excess inventory piling up? Are all of the standard WIP spots filled? Is anyone struggling with the job? Are the carts in the right places? Pressures and temperatures OK? Kanbans circulating correctly? Workers all wearing PPE? Safety glasses? Ear plugs? Does the fork truck driver have his seatbelt fastened?

Though there should also be deliberate checks as part of his standard work, a leader needs to be intently curious about what is happening all of the time.

To improve things requires even more curiosity. “What obstacles do you think are now keeping you from reaching the target?” is not a question that should be answered casually. Rather, the preparation to answer it properly requires careful study – being curious – about what operational conditions must be changed to reach the target.

Sadly, though, my experience is that true curiosity is a pretty rare commodity. A plant manager that can spout off a barrage of facts and figures about how things have to be, but is surprised every time the math doesn’t reflect his view of reality doesn’t impress me much.

Niwa-sensai said once (probably many times) “A visual control that doesn’t trigger action is just a decoration.”

You have to be curious about what those visual controls are telling you. What good is a gage if it is supposed to read between 4 and 6, but drops to 0 and nobody notices?

That supervisor walking through the area needs to be visually sweeping those gages, looking for leaks, anything unusual or abnormal, and taking action.

“How did that stain get here?” Run the trap line. The process, as designed, shouldn’t let anything leak. Why did it? What is really happening?

All we practitioners can do is patiently, again and again, walk the line with them, ask what they see, stand in the chalk circle with them, and do our best to teach them to see what we do.

Show them the system, show them the future consequences of letting this little thing slide – how second shift is going to be brought to their knees because the work isn’t being processed according to the FIFO rules.

I suspect, though, that at least a few leaders get promoted and somehow believe they reach a level where they are exempt from checking and teaching. That’s someone else’s job.

But if not them, who? And how do they know it is getting done?

## Active Control

Imagine you are driving an automobile with a high-performance suspension. You are on a perfectly straight stretch of road, with smooth pavement. Get yourself up to, say, 65 miles per hour (100 km/h). Got it pointed down the middle of the road?

OK, close your eyes, let go of the steering wheel and wait. (Actually closing your eyes is optional.)

Can you predict what will happen, more likely sooner than later?

It doesn’t matter how “stable” your car is.

There are small, random things that are eventually going to cause your car to drift away from the centerline and off the road, into the ditch on one side, or over the cliff on the other. (Didn’t I mention those?)

I often see people set up a well performing process and treat it the same way – as though it will continue to work the same way forever, without any intervention.

But your process is going to encounter random chatter, and when it does, what typically happens?

In most cases, the team members can find a way to work around the issue, and likely continue to get things done, though they will have added a bit of friction, requiring a bit more effort, to do so. They will add a redundant check to make sure no mistake got made. They will add some inventory under the work bench, in case something runs out. They will carry the product over to the other machine because the one they are supposed to use isn’t working as it should be.

They will clean up the spilled coolant, catch the leaking oil.

They’ll tap out paint clogged or unthreaded holes, cut wires that are delivered too long to length, even drill new holes to mount the part that doesn’t fit.

In the office, they get one more signature, send an email to back-up the “unreliable” ERP messages, and make screen prints so they can enter the data into another system.

“Waste is often disguised as useful work.”

All of this easily goes unnoticed, and eventually (maybe) the process becomes cumbersome enough that someone decides to address it with an improvement activity. And the cycle starts again.

How do we stop the cycle?

The point of intervention is in the last paragraph… “All of this goes unnoticed.”

It isn’t a matter of standing and watching for problems. Sakichi Toyoda figured that out almost 100 years ago. It is about designing your process to detect anomalies in either execution (how it is done, how long it takes) or results immediately, signal, and trigger some kind of response.

Here are some fundamental questions to ask yourself:

Before the process even begins, does the team member have everything he needs to succeed? How does he know? I’m talking about parts, information, tools, air pressure, assistance… whatever you know is needed to get the job done.

If the team member doesn’t have everything needed exactly what do you want him to do?

Is the team member carrying out the process in a way that gets the desired result? How does she know? Is there a sequence of steps that you know will give her the result you want? What alerts her if one of them is skipped?

If the team member, for whatever reason, isn’t able to carry out those steps in sequence, exactly what do you want her to do? Go find a grease bucket? Or let you know?

How long do you want to allow your team member to try to fix something or make it work before letting you know there is a problem? Related to this – how far behind can you allow him to get before he can’t catch up, even with help?

Once the team member has completed the process, how does he know the result is what was expected? If the team member doesn’t have a way to positively verify a good outcome, who does detect the problem, when, where and how? It might be your customer!

#### An Active Control System

Even if you have all of those checks in place, however, you still need to answer a few more questions starting with “Once the team member detects a problem, what do you what exactly do you want them to do?”

I alluded a little to this above, but let’s go a bit deeper.

On a production line, a typical way for a team member to signal a problem is with some kind of andon. This might, for example, take the form of a rope along the line that the team member can pull in order to trigger a signal of some kind.

But that is the easy part. Lots of factories have copied the mechanics of Toyota’s andon only to see them fall into disuse following a period of cynicism.

The hard part is what is supposed to happen next?

Now we are back to the original questions because the andon is nothing more than a trigger for another process.

Who is the designated first responder? (Remember, if it is everybody’s problem, it is nobody’s problem.) Does that person know who he is?

What is the standard for the response? What is the first responder supposed to do, and how long does she have to do it?

When we had takt times on the order of dozens of minutes, our standard for the first response making face-to-face contact with the team member who signaled was 30 seconds.

How much intervention can the first responder make before being required to escalate the problem to the next level?

#### As a minimum

As a minimum, the first responder’s primary goal is to restore the normal pattern of work. This might be as simple as pitching in and helping because something minor tripped up the team member’s timing.

This is active control – a system or process that detects something going outside the established parameters, and applying an adjustment to get it back. Active control requires a process to detect abnormalities, a trigger, and a response that restores things. It is no different than maintaining thickness in a rolling operation – the machine measures the output, and adjusts the pressure accordingly – or an autopilot that keeps an airplane on course.

Without some kind of active control system, your process will erode over time as the team members do the only things they can do in an effort to keep things moving: They can overproduce and build inventory to compensate, they can add extra process steps, they can add just about any of the things we call “waste.”

The only question is what do you want them to do?

## Applying 5S to Processes

The idea that “you always start with 5S”, for better or worse, has been deeply ingrained in the “lean culture” since the late 1980’s. A lot of companies start their improvement efforts by launching a big 5S campaign.

Often, however, these 5S efforts are focused on striving for an audit score rather than focusing on a tangible operational objective.

It is, though, very possible to help bridge the gap by putting the process improvement in 5S terms. By using a language the team already understands, and building an analogy, I have taken a few teams through a level of insight.

For example –

We are trying to develop a consistent and stable work process.

## Sort

Rather than introduce something totally new, we looked at the process steps and identified those that were truly necessary to advance the work – the necessary. The team then worked to avoid doing as many of the unnecessary steps as possible. In their version of 5S, this mapped well to “Sort.”

Now we know the necessary content of the work that must be done.

## Set in Order

Once they knew what steps they needed to perform, it was then a matter of working out the best sequence to perform them. “Set in order.”

Now we’ve got a standard work sequence.

## Sweep or Shine

The next S is typically translated as something like “Sweep” or “Shine” and interpreted as having a process to continuously check, and restore the intended 5S condition.

Here is where a lot of pure 5S efforts stall, and become “shop cleanup” times at the end of the shift, for example. And it is where supervisors become frustrated that team members “don’t clean up after themselves or “won’t work to the standard.”

In the case of process, this means having enough visual controls in place to guide the work content and sequence, and ideally you can tell if the actual work matches the intended work. A deviation from the intended process is the same as something being “out of place.” Then, analogous to cleaning up the mess, you restore the intended pattern of work.

One powerful indicator is how long the task takes. Knowing the planned cycle time, and pacing the job somehow tells you very quickly if the work isn’t proceeding according to plan. This is one of the reasons a moving assembly line is so effective at spotting problems.

Now we have work content, sequence and maybe timing, or at the very least a way to check if the work is progressing as intended. Plan, Do and Check.

I believe it is difficult or impossible to get past this point unless your cleanup or correction activities become diagnostic.

## Standardize

The 4th S is typically “Standardize”

Interesting that it comes fourth. After all, haven’t we already defined a standard?

Kind of. But a “standard” in our world is different. It isn’t a static definition that you audit to. Rather, it is what you are striving to achieve.

Now, rather than simply correcting the situation, you are getting to the root cause of WHY the mess, or the process deviation happened.

In pure 5S terms, you start asking “How did this unintended stuff show up here?”

The most extreme example I can recall was during a visit to an aerospace machine shop in Korea many, many years ago. The floors were spotless. As we were walking with the plant manager, he suddenly took several strides ahead of us, bent down, and picked up….. a chip.

One tiny chip of aluminum.

He started looking around to try to see if he could tell how it got there.

They didn’t do daily cleanup, because every time a chip landed on the floor, they sought to understand what about their chip containment had failed.

Think about that 15 or 20 minutes a day, adding up to over an hour per week, per employee, doing routine cleanup.

If you see a departure from the intended work sequence, you want to understand why it happened. What compelled the team member to do something else?

Likely there was something about what had to be done that was not completely understood. Or, in the case of many companies, the supervisor, for his own reasons, directed some other work content or sequence.

That is actually OK when the circumstances demand it, but the moment the specified process is overridden, the person who did the override now OWNS getting the normal pattern restored. What doesn’t work is making an ad-hoc decision, and not acknowledging that this was an exception.

Once you are actively seeking to understand the reasons behind departure from your specification, and actively dealing with the causes of those departures, then, and only then, are you standardizing. Until that point, you are making lists of what you would like people to do.

This is the “Act” in Plan-Do-Check-Act.

## Self Discipline or Sustaining

One thing I find interesting is that early stuff out of Toyota talks about four S. They didn’t explicitly call out discipline or sustaining. If you think about it, there isn’t any need if you are actively seeking to understand, and addressing, causes in the previous step.

The discipline, then, isn’t about the worker’s discipline. It is about management and leadership discipline to stick with their own standards, and use them as a baseline for their own self-development and learning more about how things really work where the work is done.

That is when the big mirror drops out of the ceiling to let them know who is responsible for how the shop actually runs.