The Overview of i-Construction 2.0 | An Easy-to-Understand Explanation of the Ministry of Land, Infrastructure, Transport and Tourism's Intent

Many people who see the term i-Construction 2.0 will find it hard to grasp at once what is new, how it differs from conventional ICT construction, and how it relates to practical on-site work. This is especially true for practitioners who are widely involved in client relations, construction planning, as-built and quality management, document preparation, and coordination with surveying and design—they want to understand changes as practical shifts in work, not just as abstract concepts.

目次

• i-Construction 2.0とは何か

• なぜ今、i-Construction 2.0が必要なのか

• 施工のオートメーション化とは何か

• データ連携のオートメーション化とは何か

• 施工管理のオートメーション化とは何か

• 中小規模現場と地方自治体にとって何が変わるのか

• 実務担当者が今から準備すべきこと

• まとめ

What i-Construction 2.0 Is

To correctly understand i-Construction 2.0, it should not be seen merely as a technical measure on the extension of conventional ICT construction, but as a policy package that includes the construction industry’s labor shortages, disaster response, infrastructure maintenance, and work-style reform. For practitioners, the essence is less about whether to introduce new machines and more about how to connect site data, how to change supervision and inspection, and how to create site systems that can operate with fewer people.

Why i-Construction 2.0 Is Needed Now

Putting this trend into practical terms, whereas past improvements were at the stage of “allowing people to do the same work a little faster and a little more accurately,” i-Construction 2.0 represents the stage of “changing the work so it can proceed without people having to be constantly present at the site.” For example, if surveying data can be used in design, design data can flow into construction, and construction data can be used directly for management and inspection, there will be no need to re-enter the same information multiple times. If remote construction and remote supervision spread, continuous on-site presence at dangerous locations or in extreme heat can also be reduced.

What must not be overlooked in this objective is that labor-saving is discussed not as a measure for staff cuts but as a necessary condition for continuing to protect infrastructure. The premise is that unless the productivity and added value of each person working on construction sites increase, the foundations of public life and economic activity cannot be maintained under population decline. In other words, the essence of i-Construction 2.0 is not a cost-cutting policy for the construction industry but a policy to maintain supply capacity.

This way of thinking is extremely important for practitioners. If i-Construction 2.0 is regarded only as a system to reduce personnel, resistance is likely to occur on sites. In reality, however, it is a policy premised on labor shortages that aims to reduce dangerous tasks, concentrate human judgment tasks, and create sustainable site systems. That is why it is necessary to consider surveying, design, construction, inspection, and maintenance not as individually optimized elements but as an interconnected whole.

What Construction Automation Means

This means shifting from the stage where people ride machines and use assistive functions like conventional ICT construction equipment, to a stage where humans manage machine behavior remotely. The division of roles on-site also changes. The system that centered on on-site manual work shifts to a management-oriented role heavier on tasks such as designing construction plans, monitoring machine fleets, setting safety conditions, and responding to abnormalities. The emphasis moves from on-site workers to operation personnel who manage the entire site.

From the standpoint of practitioners, what truly changes with construction automation is the upstream and downstream processes more than the machines themselves. Operational design is required first: in which coordinate system to manage, how to acquire construction data, who will judge abnormalities, and how to define safety boundaries for remote operation. In other words, simply introducing machines will not advance automation; surveying, design, construction planning, communications environment, and management standards must be developed as an integrated whole.

What Data-Integration Automation Means

Moreover, in cases where data such as 3D models created at the design stage were used directly by ICT construction machines, a reduction of 16 person-hours—about a 30% decrease in work time—was confirmed compared with creating construction data from drawings. This is a good example showing that the value of 3D lies not in creating visually appealing models but in leaving data that can be used in later processes.

What is truly important in practical sites is not making 3D models per se. It is that data created upstream can be used downstream, and that it connects through contract, estimating, construction, supervision, and inspection. What i-Construction 2.0 aims for is precisely the establishment of the flow of “using data created once through to the end.” Therefore, what companies should prepare is not only expensive data creation but the fundamentals of data operations: naming rules, attribute information, coordinate management, handover procedures, and methods for reuse at the site.

What Construction Management Automation Means

The automation of construction management also specifies a policy to leverage 3D data and site data to reduce paperwork, enhance construction management, and improve inspection efficiency. The roadmap indicates short-term goals to save labor in human tasks and medium- to long-term goals to enable decision-making in comfortable office environments. The use of satellite positioning technologies is also promoted to leverage data that conforms to the national coordinate system, emphasizing the importance of a site foundation that can handle location information accurately.

What this pillar implies is that the digitalization of supervision and inspection will not end with “just digitizing documents.” Construction management automation is realized only when the position, shape, progress, photos, videos, and point cloud information obtained on site can be used directly for verification and judgment. In other words, reforming construction management is also reforming how measurements are taken and how records are kept on site.

Therefore, practitioners should assume that future construction management will shift from being form-centered to data-centered. Rather than thinking of completing paper forms afterward, it will be important from the outset to decide how to capture verifiable data, how to share it, and how to reuse it. Whether this change in mindset can be made will create a large difference in the ability to respond to i-Construction 2.0.

What Changes for Small- and Medium-Sized Sites and Local Governments

At the same time, human resource development and municipal support are being advanced. Materials show that since fiscal 2021 there have been support achievements for a total of 14 prefectures and ordinance-designated cities, and Sapporo City formulated an original ICT utilization policy suitable for small-scale urban construction sites. ICT adviser systems are being deployed at regional development bureaus to provide advice and training to inexperienced or less-experienced companies. Moreover, ICT experts are being dispatched to local governments, and ICT construction training—held 409 times in fiscal 2024—has been provided to expand the base.

Practically speaking, there are areas where effects are more easily realized on small- and medium-sized sites. For example, single-person stakeout, efficiency improvement for as-built confirmation, integrated management of photos and coordinates, simple 3D measurement, and remote confirmation work offer greater benefits for sites that must operate with limited personnel. Therefore, the correct understanding is “even if full automated construction is not feasible, many parts relevant to your company can be affected.”

What Practitioners Should Prepare Now

Next, it is important to separate automation and digitalization conceptually. It is not necessary to aim for remote construction or automated control of multiple machines at once on every site. Rather, in many sites, steady digitalization efforts such as pre-construction stakeout, daily as-built confirmation, labor-saving document preparation, linking photos to location information, and preparing data for supervision and inspection should come first. It is precisely these accumulations that will lead to future automation.

Furthermore, it is important that site personnel, construction managers, surveyors, and designers do not handle data in different vocabularies. If file names, attribute fields, coordinate systems, and handover methods differ by site, even valuable 3D data will be difficult to reuse. Since i-Construction 2.0 is both about technology introduction and standardization, creating in-house rules—however mundane—can be highly effective.

Finally, have an entry point that can be used easily on site. i-Construction 2.0 is a large policy, but in practice the most important thing is accumulating small successes such as “capturing position information correctly and sharing it immediately” and “passing that data to the next process.” Rather than doing surveying, as-built confirmation, construction management, and photo recording separately, connecting them on the same coordinate foundation will ultimately lead to labor savings and higher-level management.

Summary

In one sentence, the overview of i-Construction 2.0 is a policy to advance the digitalization of construction sites from partial optimization to overall optimization. Building on the ICT construction and 3D utilization spread since fiscal 2016, the flow is shown toward automation of construction, automatic linkage of data, and remote/off-site construction management looking toward fiscal 2040. The aim is not mere efficiency gains but to create a system that can continue to protect infrastructure under population decline.

That is why it is important for practitioners not to regard i-Construction 2.0 as a distant future story. Review now whether position information, surveying, design, construction, as-built data, photos, and inspection data are connected on your sites, and gradually shift toward ways of working that can operate with fewer people. Major automation will come later, but the entry points are surprisingly close.

An effective entry point is to digitize the position information handled on site easily and with high accuracy. LRTK, as an iPhone-mounted GNSS high-precision positioning device, makes site positioning easier to bring into daily operations. For sites that want to embed i-Construction 2.0 not as a policy term but as a flow of measuring, recording, sharing, and handing data to the next process, starting with practical systems that fit daily work is the most realistic first step.