Why Lean Fails on Most Capital Projects (And How to Fix It)

INTRODUCTION

For many capital projects teams, Lean has become widely accepted as a buzzword but is rarely implemented authentically as a management system. As schedules slip or costs rise, teams often turn to Lean as a recovery tactic instead of a delivery strategy.

Teams often associate Lean with tools and a checkbox list throughout project delivery rather than changes to decision-making and leadership approach.  While teams claim to be supporting Lean, traditional schedules and contracts are undermining the impact that authentic Lean implementation aims to achieve.

The problem isn't Lean itself. It's how Lean is being implemented.

In this blog post, we’ll dive into why Lean building project delivery often fails and how you can fix a failing Lean project.

The Gap Between Claim and Practice

Lean is often marketed as a set of tools, from pull plans to daily huddles, rather than a management system and leadership mindset. Many capital project teams claim to be using Lean to inform how decisions are made, assess risk, and create plans. However, there is a systemic lack of understanding around authentic Lean project delivery, causing teams to “check the box” on Lean activities without restructuring their approach.

6 Signs You're Not Using Lean Properly

• Phase pull plans are rarely updated or referenced after construction starts.
• Meetings do not focus on removing constraints.
• Teams make decisions despite unresolved risks or missing information.
• Project variance is accepted instead of examined.
• Lean language is present, but decision-making behavior is unchanged.
• Trade contractors expected to push work forward instead of flagging readiness and coordination risks.

What Lean Really Looks Like For Project Teams

A Brief History of Lean

Lean building project delivery began to take shape in the 1980s. The term “Lean” was first introduced in the manufacturing industry in the 1990s. The term was quickly adopted by the building industry as “Lean construction,” and practices were implemented beyond construction into the design phase of building projects. Tom Richert, a member of the Keel team, has been supporting Lean projects since he began learning about the practices from the people who developed Lean in 1999.

What Happens When Lean Is Used Authentically

When Lean project delivery is used authentically, buildings are developed with the desired function and aesthetics at a faster rate and a lower cost. This is done by aligning multi-disciplinary teams in a common direction to provide the owners with early visibility and transparency to budget constraints, schedule conflicts, and potential risks.

Types of Lean

Lean Design

Lean design applies a process known as Target Value Delivery approach to bring construction expertise into the design and engineering process early. Instead of designing a project and trying to reduce costs later, teams collaborate early to set a target cost and design around the cost without sacrificing quality. This leads to stronger alignment across multi-disciplinary teams, fewer changes, and a more thoughtful design process, allowing for project duration to be reduced by 10 to 20%.

Here are some of the primary benefits of Target Value Delivery:

• A more thoughtful evaluation of design options that supports a higher quality design outcome.
• Reduced construction costs and schedule lengths driven by improved constructability.
• Greater visibility of costs and design decisions throughout the design phase allows for greater confidence in owner decision-making.

Lean Construction

Lean construction emphasizes the importance of balanced workflows and improved trade coordination to deliver projects faster without relying on more costly, traditional acceleration tactics such as excessive overtime and added shifts. By focusing on efficiency, Lean construction teams can reduce overall project durations by 20 to 30% while maintaining quality and cost.

Primary Benefits of Lean Construction

• Faster time to revenue, allowing the project to begin serving its intended users sooner.
• Reduced carrying costs during construction, including lower costs tied to the cost of ongoing project management.
• Reduced exposure to risk, as a shorter construction window limits disruptions from external events.

The Role of Leadership In True Lean Implementation

Authentic Lean implementation begins by setting the tone at the leadership level. The leadership team is responsible for setting expectations of reliable deadlines, supporting teams facing problems early without placing blame, and aligning practices with the owner’s interests in mind.

As a result, Lean provides a structure for project team members to align their individual responsibilities, allowing work to become clearer, decisions to come easier, and problems to surface sooner.

How To Fix A Failing Lean Project

• Reset expectations by reinforcing that Lean is about improving system performance, not enforcing team compliance
• Refocus the meeting away from status reporting and investigate constraints, risks, and readiness as a team
• Coach teams on why Lean practices work, not just how to use them
• Address leadership behaviors that break trust and cause misalignments
• Consider investing in professional facilitation or coaching to rebuild momentum, capability, and alignment.

CONCLUSION

Lean is a learned skill about creating conditions for multi-disciplinary teams to work cohesively, discover problems early, and provide owners with resources to make more informed decisions. Failure rarely comes from flaws in the methodology itself, but from applying it without changing how decisions are made.

Many project teams consider Lean to be about checking a box, when Lean is a skillset designed to create alignment and set team expectations. When implemented authentically, Lean does not just improve a single project. Lean establishes practices that can be applied across all future projects for project teams and driving long-term value for owners.

For more information on Lean methodology, or to engage an external Lean expert, reach out to tom.richert@keelpm.com.