What Are Multi-Train Takt Plans?

Understanding Multi-Train Takt Plans: A Comprehensive Guide

This post explains what a multi-train Takt plan is, how it differs from a single-train Takt plan, and how to set one up.

Short answer: A multi-train Takt plan runs several trains of trades through the same zones, each at its own speed and with its own Takt time. You group activities into consistent train lines, optimize the slowest train first, plan the handoffs where trains intersect, and pace the whole project from that slowest train.

What Is a Takt Plan?

A Takt plan is a production plan that organizes time by location. You can think of it as a visual representation of your project’s progress over time, with time shown on the top axis and zones (or locations) listed on the left side. These plans typically display a series of colored boxes in a parallelogram shape, representing the movement of a “train” through the zones as Takt time progresses.

The longer a phase in a Takt plan, the slower the train moves through the zones. The taller the phase, the faster the progress. Understanding this is key to managing the flow of work in a construction or production project.

What Is a Multi-Train Takt Plan?

Many people assume that Takt planning revolves primarily around Takt time, but in reality, the key factors are the zones and phases. In a multi-train Takt plan, several “trains” or activities move through the same zones but at different speeds or times. It’s important to understand that these trains can operate independently while still adhering to the overall flow of the project.

Think of it like a real-world train system: multiple trains can run on the same tracks, sometimes at the same time or at different times, without causing disruption. The same applies to multi-train Takt plans—each train moves through its designated phases and zones at its own pace, creating a flexible yet coordinated system.

How Do You Implement a Multi-Train Takt Plan?

To successfully implement a multi-train Takt plan, here are a few key steps:

1. Identify the Trains: Rather than having numerous trains scattered across a chaotic schedule, consolidate activities into consistent train lines. Align work packages to these lines.
2. Magnetize the Activities: If an activity is adjacent to your train line, pull it over to manage the work together. This helps avoid disconnected activities that can disrupt the flow.
3. Optimize Speed: Make sure the slowest train is moving at its fastest possible speed. Once optimized, calculate your progress based on that slowest train to ensure smooth coordination.
4. Managing Intersections: Where different trains intersect, ensure the handoffs are seamless and done responsibly to maintain efficiency. Overlap activities where necessary to keep things moving.
5. Analyze Multi-Train Plans: Lean Takt plans typically include multiple train analyses. In various sectors like civil, industrial, MEP, and commercial projects, multi-train Takt planning is common. It helps optimize overall project flow and ensures more realistic timelines.

What Are the Benefits of Multi-Train Takt Planning?

When implemented effectively, multi-train Takt plans provide significant benefits:

• Flexibility in Scheduling: You’re not locked into rigid 5-day Takt times or forced to use the work week as your project drumbeat.
• Coordination Across Teams: Different trades and teams can move at their own pace while staying coordinated within the larger plan.
• Resource Optimization: This planning method allows for resource-based Takt plans where different trains are configured to align with available resources.

What Does a Resource-Based Takt Plan Look Like?

A prime example of the benefits of multi-train Takt planning comes from a project where the team was initially focused on a 5-day Takt time. They were trying to use the work week as their pacing guide and struggling to align trade partners to a single flow. However, once they shifted to a resource-based Takt plan with multiple trains running at their own speeds, everything fell into place. Trade partners could manage their own work while staying aligned with the overall project, reducing delays and improving zone control.

How Do You Handle Takt Time With Multiple Trains?

One common question that arises is how to handle Takt time when using multiple trains. The answer is simple: each train has its own Takt time. To manage this, you start by optimizing the slowest train’s Takt time and work everything else around that pace. This ensures that no train gets left behind and that the overall project continues to flow smoothly.

Bottom Line

Multi-train Takt planning is an advanced method used by teams who truly understand work packaging and project flow. By focusing on zones and phases rather than rigid Takt times, you can build a more flexible and efficient plan that accommodates the natural variability in complex projects.

If you want help building a multi-train Takt plan for your project, check out our Takt Production System Masterclass or reach out about consulting.

Want your team trained on this? See our Last Planner® System and Takt training.

Frequently Asked Questions

What is the difference between a single-train and a multi-train Takt plan?

In a single-train Takt plan, the trades move through the zones as one train at one Takt time. In a multi-train Takt plan, several trains move through the same zones at different speeds, each with its own Takt time, and you coordinate them where they hand off.

Does each train have its own Takt time?

Yes. Optimize the slowest train’s Takt time first, then plan everything else around that pace so no train gets left behind.

When should you use a multi-train Takt plan?

When the work can’t all move at one pace. It’s common on civil, industrial, MEP and commercial projects, and when you build a resource-based Takt plan around the crews you actually have.

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Multi-Train Takt Planning: How Trains of Trades Flow Through a Phase