What does the Ministry of Land, Infrastructure, Transport and Tourism’s i-Construction aim for? Explaining its relationship with productivity improvement

Table of Contents

• What is i-Construction?

• Processes targeted by i-Construction

• What does productivity improvement that i-Construction aims for mean?

• How are productivity improvement and quality assurance linked?

• How are productivity improvement and safety improvement linked?

• Relation between addressing labor shortages and i-Construction

• The concept of continuing high-quality infrastructure development and management with a small workforce

• What was strengthened in i-Construction 2.0

• Positioning within the DX Action Plan

• Perspectives to keep in mind when learning i-Construction

• Summary

What is i-Construction?

To rephrase this point in a way that is easy for beginners to understand: i-Construction is not a policy that “partially makes construction work easier,” but rather “a set of measures that revises how all work related to construction is carried out to raise productivity.” Looking only at surveys and measurements will not reveal the whole picture, and focusing only on construction work will not show its real intent. Only by considering design and inspection, and even maintenance and renewal, does what i-Construction aims for become clear.

When people hear the term i-Construction, some may feel it sounds like an initiative to introduce a particular machine or a particular method. However, according to the fact memo, the core is, after all, productivity improvement. And that productivity improvement is considered not only for construction itself but within the entire flow that includes preceding and following processes. This is the first important point in understanding i-Construction.

First, it is easy to see that productivity improvement lies behind it. In the construction field, many processes proceed in sequence. Therefore, if one process is delayed or rework occurs, the effects spread throughout the whole project. Because i-Construction targets survey and measurement through maintenance and renewal, it should be understood as aiming to increase productivity within the flow as a whole rather than as isolated work improvements.

However, it is not simply a matter of proceeding faster. The fact memo also shows that quality assurance is part of the background. This means that in the construction field, the premise is not to pursue speed alone but to continue high-quality infrastructure development and management. In other words, the productivity improvement i-Construction refers to is not something that sacrifices quality; it is conceived together with ensuring quality.

Processes targeted by i-Construction

One characteristic of i-Construction is its wide scope. According to the fact memo, the scope includes survey and measurement, design, construction, inspection, and maintenance and renewal. Understanding this correctly makes it clear that i-Construction is not merely a scheme for improving construction work.

Survey and measurement are foundational processes for getting things started. The information obtained here becomes the premise for subsequent design and construction. Design is the process of concretizing plans based on that information. Construction is the process of actually shaping things. After construction is finished, inspection takes place, and even after completion, maintenance and renewal continue. Infrastructure is not finished once built; it is used, protected, and updated as necessary.

That i-Construction targets this entire flow indicates that its approach to productivity improvement is close to overall optimization. Even if efficiency appears to improve when looking at only one process, if the connections with preceding and following processes are poor, the overall burden may increase. Conversely, if you can overview and adjust the entire set of processes, the workflow becomes smoother.

For beginners learning i-Construction, it is easier to understand if you first confirm “from where to where is the scope.” If you focus only on the construction site, the essence of i-Construction—overall productivity improvement—becomes harder to see. The fact that the scope includes survey and measurement through maintenance and renewal alone shows that i-Construction is a policy designed with a broad perspective.

Also, this breadth is related to quality assurance and safety improvement. That is because quality and safety are not determined by a single process but are supported within the flow before and after. For example, if the information or decision quality in an earlier process is poor, later processes tend to carry extra burden. Conversely, if consistency is maintained across the entire process, quality and safety become easier to protect. The wide scope of i-Construction reflects this mindset of viewing the whole.

What does productivity improvement that i-Construction aims for mean?

When trying to understand i-Construction, many people first wonder, “What exactly does productivity improvement refer to?” The fact memo indicates that i-Construction is a productivity improvement initiative, and productivity improvement itself is the background. Therefore, it is clear that productivity improvement lies at the center of i-Construction.

However, if you simply interpret this productivity improvement as “finishing faster,” you do not fully understand i-Construction’s aim. That is because the same fact memo lists quality assurance, safety improvement, and responses to labor shortages as background elements. In other words, productivity improvement in i-Construction is not something considered separately from quality and safety.

The term productivity improvement is sometimes received with images such as “reducing the number of personnel” or “prioritizing speed.” However, based on the fact memo, what i-Construction emphasizes is being sustainable with fewer people, being safe, and being high-quality. In other words, the focus is not merely on simple labor saving but on creating a system that can be sustained.

How are productivity improvement and quality assurance linked?

This way of thinking connects to i-Construction targeting the entire process. Considering productivity improvement across survey and measurement, design, construction, inspection, and maintenance and renewal means it is not enough for only part of the work to become faster. It is important that the whole chain connects smoothly and progresses stably. As a result, quality is also easier to maintain.

Since quality assurance is part of the background, i-Construction’s productivity improvement is not the idea of increasing workload at the expense of quality. Rather, the goal is to enable the entire process to proceed better while maintaining quality. Misunderstanding this leads to a shallow understanding of i-Construction.

This point is something beginners learning i-Construction should definitely grasp. If you react only to the phrase productivity improvement, it tends to look like a matter of speed or labor-saving. But if you read the fact memo carefully, quality assurance is always demanded at the same time. Thus, it is more accurate to understand i-Construction not as “a measure to speed things up” but as “a measure to proceed more sustainably while preserving high quality.”

How are productivity improvement and safety improvement linked?

Safety improvement is also part of the background of i-Construction. This is as important as productivity improvement. In construction and infrastructure management, safety is a prerequisite and cannot be put off. Therefore, the productivity improvement that i-Construction aims for cannot be separated from safety improvement.

What is important here is that safety improvement in i-Construction is not on the opposite side of productivity improvement. Protecting safety stabilizes the entire work and makes continuation easier. Conversely, in an environment where safety is compromised, stable productivity improvement cannot be achieved. Therefore, safety improvement in i-Construction is both a condition that supports productivity improvement and a goal to be achieved simultaneously.

Also, that i-Construction 2.0 lists automation of construction and automation of construction management as pillars is not unrelated to safety improvement. Within the scope of the fact memo, these pillars are naturally understood in the larger objective of creating a system that is safe and high-quality even with few people. In other words, safety improvement in i-Construction is not just a call for greater awareness; it is linked to a perspective of revising the system itself.

Relation between addressing labor shortages and i-Construction

Addressing labor shortages is part of i-Construction’s background. This point is very important for understanding the current construction field. In situations with labor shortages, it becomes difficult to continue with the same methods as before. To continue necessary infrastructure development and management, systems are required that can operate with limited personnel while maintaining quality and safety.

The phrase in the fact memo, “creating a system that can sustain infrastructure development and management that is safe and high-quality even with few people,” succinctly expresses this response to labor shortages. What deserves attention here is not only the “with few people” part but also that the aim is a system that is “safe and high-quality” and “sustainable.” It does not intend to give up quality or safety because the workforce is small; rather it aims to continue while protecting them.

From this perspective, i-Construction is not a simple patch for labor shortages. Rather than forcibly filling gaps in personnel, it is more appropriate to understand it as a set of measures that revises how work is carried out and how systems are organized so the whole job can be sustained with limited staff. This is where its meaning as a productivity improvement policy lies.

Also, because addressing labor shortages is in the background, it is meaningful that i-Construction’s scope is broadly set from survey and measurement to maintenance and renewal. If you only improve construction, but leave burdens in preceding and following processes, the whole cannot continue. To sustain work with few people, the entire process must be reviewed to create an overall flow that is feasible. This wholeness is a major feature of i-Construction.

Beginners may first associate addressing labor shortages with labor saving or automation alone. However, from the fact memo’s content, what can be read is a broader mindset: being able to continue infrastructure development and management while maintaining quality and safety even with a small workforce. That is the direction i-Construction aims for. In other words, labor shortages are not just one challenge among many but are deeply involved in the policy’s overall design philosophy.

The concept of continuing high-quality infrastructure development and management with a small workforce

First, the phrase “with a small workforce” clearly indicates a response to labor shortages. Because it is considered difficult to continue operating sites in the future while assuming sufficient personnel, it is necessary to create systems that function with fewer people. What is important here is that making the workforce small is not the objective itself; the objective is ensuring that socially necessary functions can be maintained even with few people.

Furthermore, the phrase “infrastructure development and management” is also important. Because it includes management as well as development, i-Construction does not end with completion. Infrastructure is used after being built, is managed, and is updated as necessary. Therefore, system building must not focus only on short-term construction efficiency but must be designed with long-term operation in mind.

Finally, the phrase “creating a system that can be sustained” well expresses the essence of i-Construction. Emphasis is placed on continuity rather than one-off results. The idea is to maintain infrastructure development and management over the long term, protecting safety and quality even with limited personnel. This is the concept that can be organized as i-Construction.

What was strengthened in i-Construction 2.0

The fact memo states that i-Construction 2.0 has the automation of construction, enhanced data integration, and automation of construction management as its pillars. This indicates that i-Construction has progressed to a further stage. For people learning i-Construction for the first time, it may be helpful to view this as “a stage in which new directions are made clearer.”

First, automation of construction is cited as a pillar. Construction is one part of the overall i-Construction process but is also an important process that actually shapes things. That automation of construction is a pillar suggests a close relationship with creating a system that can proceed stably even with few people. Considering the background of labor shortages makes this direction easier to understand.

Next is enhanced data integration. Since i-Construction covers survey and measurement through maintenance and renewal, the wider the scope, the more important the connections between processes become. Enhanced data integration can be read as an idea to smooth the overall flow and thereby improve productivity. Here again, it becomes clear that i-Construction emphasizes continuity across processes, not just isolated parts.

Furthermore, automation of construction management is also a pillar. Attention should be paid to the point that not only construction itself but construction management is being automated. This shows a mindset to review not only the execution of work but also how management is conducted. If productivity improvement is to be truly realized, management aspects are as important as the actual work, and this pillar well represents a feature of i-Construction 2.0.

When understanding i-Construction 2.0, it is not important to memorize these three pillars individually. Rather, it is more useful to perceive that these three are positioned within the larger goal of creating a system that can sustain safe and high-quality infrastructure development and management even with a small workforce. Seen that way, automation of construction, enhanced data integration, and automation of construction management appear not as separate topics but as pillars aligned in the same direction.

Positioning within the DX Action Plan

According to the fact memo, i-Construction is positioned as a core policy within the DX Action Plan. This is a very important point because it indicates that i-Construction does not remain a standalone, isolated measure but holds a central role within a larger policy flow.

Also, the fact that it is positioned within the DX Action Plan indicates that i-Construction is treated not as a one-off improvement but as an axis of continuous change. Considering that it has been promoted since 2016, it is clear that i-Construction has not only been carried out over a long period but also continues to be regarded as an important policy.

What is important here is not to be pulled in too much by the term DX alone. Within the scope of the fact memo, the content i-Construction aims for is already clear: it covers survey and measurement through maintenance and renewal and aims to create a system that, against the background of productivity improvement, quality assurance, safety improvement, and responses to labor shortages, can sustain safe and high-quality infrastructure development and management even with a small workforce. Its positioning as a core policy in the DX Action Plan indicates that these directions are valued within the broader policy framework.

Perspectives to keep in mind when learning i-Construction

People learning i-Construction for the first time may be uncertain about where to start. In such cases, it is more important to grasp the big picture first than to chase subtle words. If you organize your understanding using only the fact memo, there are not that many perspectives you need to hold. Rather, deeply understanding a small number of important viewpoints makes it easier to grasp the whole.

Second, the wide scope is important. Because it includes survey and measurement, design, construction, inspection, and maintenance and renewal, do not assume you understand it by looking only at construction. If you understand it as a policy that considers productivity improvement within the flow as a whole, your understanding will be less likely to waver.

Third, view the background challenges together. Productivity improvement, quality assurance, safety improvement, and responses to labor shortages may seem separate, but in practice they are challenges to be addressed simultaneously. It is easier to understand i-Construction by thinking of it as a policy that seeks to solve these issues as an integrated whole rather than dividing them.

Fourth, keep in mind that the objective is “creating a system that can sustain infrastructure development and management that is safe and high-quality even with a small workforce.” Using this sentence as an axis makes it less likely to lose sight of the overall direction even when touching on individual topics. The meaning of productivity improvement can be correctly understood by linking it to this objective.

Fifth, look at what was strengthened in i-Construction 2.0. The three pillars—automation of construction, enhanced data integration, and automation of construction management—indicate the direction in which i-Construction intends to advance. These are connected to the objective of creating a system that can be sustained even with few people.

Summary

With this objective in mind, the meaning of productivity improvement becomes clear. Productivity improvement in i-Construction is not something that sacrifices quality or safety; it aims for a state in which, while protecting them, infrastructure development and management necessary for society can be continued even with limited personnel. In other words, it is productivity improvement aimed at building a sustainable system rather than short-term efficiency gains.

Those learning for the first time do not need to regard i-Construction as an overly difficult specialized policy. If you first grasp these four points— that it has been a policy since 2016, that its scope covers the entire process, that productivity, quality, safety, and labor shortages are the background challenges, and that it aims to create a system that can sustain safe and high-quality infrastructure development and management even with a small workforce—you will already be able to see the overall picture.