What skills are needed for i-Construction? Five items to focus on in practice

When considering how to respond to i-Construction, many practitioners first worry not about which machines to acquire but about which skills to learn and in what order. On site, terms such as three-dimensional design data, positioning, as-built management, photo records, point clouds, and electronic submission all come up at once. As a result, without a clear overall picture of implementation, discussions often proceed only about individual devices or operations, and the result is frequently that the site cannot fully use them.

What really matters in responding to i-Construction is not memorizing isolated functions, but understanding the flow from design through construction, measurement, management, and submission as a single process. This article organizes the five skills that are particularly important on site and explains, from a practical perspective, the commonly overlooked points when introducing them for practitioners who are searching for iconstruction and gathering information.

Table of Contents

• Preconditions to grasp before thinking about the skills needed for i-Construction

• Skills to understand three-dimensional design data

• Skills to handle high-precision positioning information

• Skills to acquire measurement data on site

• Skills to connect to construction and as-built management

• Skills to organize data sharing and submission

• Practical precautions when advancing i-Construction

• Summary

• Preconditions to grasp before thinking about the skills needed for i-Construction

When people hear the term i-Construction, many immediately imagine unmanned construction or advanced three-dimensional measurement. However, what is first required in practical site work is not assembling the latest equipment but the mindset to connect data and move work forward. The essence is to reorganize work that used to be completed with paper drawings alone by using three-dimensional data and positioning information to reduce rework and missed verifications. Therefore, when considering the necessary skills, it is more important to first clarify which process, who, and which data will be used than to focus on conspicuous functions.

In practice, it is particularly common that the data held by the design side does not match the information that construction management personnel need on site. Even if a three-dimensional model exists at the design stage, what is needed for construction are more concrete and operable pieces of information such as slopes, structures, points for as-built confirmation, batter boards, control points, and construction extent. If these are not organized before introduction, you can end up with data that exist but cannot be used on site. Therefore, the skills needed for i-Construction should be regarded not simply as the ability to create data, but as the ability to convert data into a form usable on site and to use it as material for decision-making.

Also, the necessary skills should not be concentrated in a single person. Survey personnel, construction management staff, site agents, and those compiling submission documents all need to share a minimum common understanding. For example, if photos or point clouds are collected without understanding how to handle positioning information, coordinates may not align later and reorganization can take a great deal of time. Conversely, if people understand how to read design data, they can spot discrepancies during pre-construction checks and reduce rework. In other words, i-Construction is not only about individual skill development but also an effort to raise the information literacy of the entire site.

Furthermore, what creates differences in real work is reproducibility rather than technological sophistication. If only one person can operate a system, it will not take root on a busy site. Being able to measure using the same procedure regardless of who is in charge, confirm by the same standards, and keep data in the same format leads to productivity improvements. In that sense, the five skills introduced in this article should be regarded not as things for special sites only but as basic skills that can be used repeatedly in daily operations.

• Skills to understand three-dimensional design data

The first thing to grasp in i-Construction is the skill to understand three-dimensional design data. On sites, there are still many situations where work can be performed using only two-dimensional drawings, but as adoption progresses it becomes necessary to plan processes based on three-dimensional shape information. Here, understanding does not mean merely viewing a three-dimensional display on a screen. It is important to be able to read where the design surfaces are, where the management cross-sections are, and at which positions as-built confirmations should be made.

A common practical issue is that even though three-dimensional data exist, teams end up reverting to paper drawings for confirmation. This happens not because of a lack of ability on the part of site personnel but because how to use three-dimensional data for operational decisions has not been organized. For example, if the purposes are clear—such as wanting to grasp excavation and fill extents in advance, check interferences around structures, or visualize shapes at each construction stage—the value of three-dimensional data increases dramatically. Conversely, if the purpose is vague, looking at the data will not change on-site actions.

This skill is important because three-dimensional design data are becoming a common language on site. Height differences, slopes, intersection conditions, and how curved sections fit together, which are difficult to convey on drawings, become easier to understand in three dimensions. Even new or less experienced staff can grasp shapes more easily, reducing misunderstandings in meetings. From the perspective of accelerating consensus on site, this skill has a significance beyond mere viewing ability.

Moreover, the ability to understand three-dimensional design data directly connects to later processes such as positioning and as-built management. If you do not know which points to use as references for positioning or which surfaces to evaluate for as-built conditions, even high-precision positioning becomes meaningless. Developing a habit of viewing the site while being aware of differences between the design shape and the current condition changes the accuracy of pre-construction preparations. This, in turn, improves the quality of setups and reduces unnecessary remeasurement or rework.

To embed this skill on site, cultivating a habit of using three-dimensional data in daily checks is more effective than complex operation training. Repeated practices—confirming construction extents during morning meetings, reviewing important cross-sections before construction, sharing design surfaces before as-built checks—will make three-dimensional data a routine foundation of operations rather than something special. When advancing i-Construction, reviewing whether this foundation is in place is indispensable.

• Skills to handle high-precision positioning information

The second important skill is handling high-precision positioning information. In i-Construction, no matter how easy-to-view three-dimensional data you have, they cannot be utilized unless they are correctly tied to positions on site. Only when design coordinates, site control points, measured points, and positions for as-built confirmation are consistently managed will data become a practical asset. In other words, handling positioning information is like the backbone that supports all processes.

A common issue on site is operating with vague understanding of coordinate systems and references. Even if positions seem to match, if control point handling is not unified or measurement conditions are inconsistent, later consistency among drawings, photos, point clouds, and as-built data breaks down. These misalignments may look like small differences on site but can cause major rework at the submission stage. Therefore, handling high-precision positioning information means not only obtaining high-accuracy values but also operating while maintaining consistent standards across the entire site.

This skill is particularly important in practice because it greatly affects the speed of verification tasks. Work that used to require multiple people for positioning or confirmation can be handled more quickly by fewer people if positioning acquisition and display are stable. There are more position-related tasks than you might imagine—grasping construction locations, checking clearances, pre-checking as-built conditions, recording photo positions, and so on. When these can be handled without fluctuation each time, site decision-making accelerates and unnecessary back-and-forth for confirmations decreases.

In addition, being able to handle high-precision positioning changes on-site communication. Things that were conveyed subjectively—like “somewhere around here”—can be shared as specific positions. On sites with multiple work sections or teams, oral explanations easily lead to misalignment of recognition and missed confirmations. Treating position as a common language clarifies work instructions, progress sharing, and transmission of corrective locations, which positively affects quality control.

More importantly, positioning technology makes site digitalization practical. Simply collecting photos, point clouds, design data, and construction records individually amounts to mere data accumulation. However, when these are connected by position they can be treated as a single body of site information. Knowing where something was measured, which shape was checked, and which records were kept makes later verification overwhelmingly easier. If you are serious about advancing i-Construction, you should consider positioning technology not as a peripheral feature but as a core element.

• Skills to acquire measurement data on site

The third skill is acquiring measurement data on site. When thinking about i-Construction, attention tends to go to organizing design data and submission documents, but the practical success depends on how easily and accurately data can be obtained on site. No matter how excellent the design information, if current conditions are not appropriately captured, revisions to construction plans, as-built confirmation, and progress tracking will be insufficient. On-site measurement skills are both the entry point for response and the foundation that supports quality until the end.

What is important here is the judgment to capture the necessary data at the necessary granularity. At some sites, measuring points is sufficient, while at others it is better to capture shapes as surfaces. There are situations where photos suffice, where coordinate-tagged management is necessary, and where comparing cross-sections is preferable; being able to distinguish these is the capability of measurement skills. It is not about capturing everything in detail, but about discerning what information will actually be used downstream.

For example, in earthworks there are many cases where capturing topographic changes before and after construction is important, while for structures checking position and elevation may be more critical. For temporary works or surrounding conditions, combining photos with position information may be sufficient. Thus, the depth of measurement needed varies by site. i-Construction does not demand constant large-scale surveying; it requires choosing the optimal data acquisition method according to site conditions and objectives.

Also, acquiring measurement data needs to be integrated in ways that minimize additional burden on site staff. If measurement tasks become a heavy separate duty amid busy daily construction, they will quickly become a formality. What becomes established in practice are systems where measurements can be taken during routine movements, records can be made as part of confirmations, and captured data can be routed directly to management. In other words, measurement skill is not only about operational proficiency but also about designing workflows that naturally incorporate measurements into site movement lines.

Furthermore, ensuring the reliability of acquired data is indispensable. Data taken hastily on site may later be found to lack sufficient conditions or have unclear positions. To prevent this, a habit of at least documenting under what conditions a measurement was taken, what range was targeted, and for what purpose the data were kept is necessary. Measurement is not valuable if merely collected; it must be left in a usable state. When advancing i-Construction, an important evaluation axis is not the amount of data collected but whether it is retained in a usable form.

• Skills to connect to construction and as-built management

The fourth skill to evaluate is connecting acquired data to construction and as-built management. If this is weak, no matter how much three-dimensional data or positioning information you organize, it will not lead to on-site improvements. The goal of i-Construction is not simply gathering data but improving construction accuracy, speeding verification, and ensuring management reliability. Therefore, in practice the most important thing is how collected data are used.

In as-built management, it is important not to set up a conflict between traditional management methods and new data utilization. Sites have long-established verification procedures with proven strengths backed by experience. On the other hand, i-Construction offers advantages such as better surface-based understanding of shapes and easier recognition of deviations during construction. The practical ideal is to retain the reliability of traditional methods while reducing the number of checks, travel, and documentation burdens. Designing operations from that perspective makes introduction easier to accept on site.

Particularly effective on site is leveraging data for mid-construction checks. Confirming everything only after completion leads to large rework if problems are found. If position, elevation, slope, and clearances can be checked during construction stages, corrective decisions can be made on the spot and rework minimized. This influences not only quality but also schedule control. The technology that ensures daily confirmations is where the true value of i-Construction most clearly appears.

Also, the technology to link to as-built management includes the ability to unify the terms used on site. If the focus points seen by design, construction, and inspection differ, evaluations will not align even when the same data are available. By organizing in advance which surface to confirm, which positions to compare, and which records to keep as evidence, on-site decisions stabilize. Sites where technical adoption succeeds are those that share evaluation criteria before operations.

Moreover, this skill is important for human resource development. Veteran personnel can often sense abnormalities just by looking at a site, but younger staff may not know what to look for and may struggle with data. On sites where techniques to link construction and as-built management are organized, check points are documented and anyone can inspect from the same perspective. This reduces reliance on individuals and stabilizes site quality. To prevent i-Construction from being a one-off, organizing these operational aspects is essential.

• Skills to organize data sharing and submission

The fifth skill is organizing data sharing and submission. i-Construction does not conclude within the site. Discussions with clients, internal reporting, coordination with contractors, and organizing as-built materials—all require transmitting data to others. Therefore, no matter how accurate your data are, their practical value is halved if you cannot share them in the required form. What matters is whether the data are compiled in a state that can be understood by recipients.

A common practical issue is that management becomes more complicated as the number of data types increases. Design data, measured points, photos, point clouds, daily reports, and as-built records are often stored separately and become hard to find later. In such cases, necessary materials cannot be produced quickly and confirmations or submissions take extra time. Organizing data sharing and submission means not merely saving files but arranging them so they are easy to find and understandable to anyone.

To improve this skill, standardizing naming conventions and storage rules at the site level is effective. Simply being able to tell which work section, date and time, and what record a file contains can greatly reduce downstream burdens. Moreover, when position information, photo locations, and target ranges are linked, the reliability of materials increases. Rather than scrambling to organize before submission, keeping submission in mind from the stage of daily accumulation is extremely important in i-Construction.

Ease of sharing also affects the speed of site decision-making. When conveying conditions to supervisors or stakeholders, showing records that indicate position and shape speeds decisions compared to verbal descriptions alone. Whether corrections are necessary, whether schedule changes are needed, or the scope of additional checks can be discussed concretely when data are organized. This is not merely administrative efficiency but improves the quality of site management.

Additionally, the habit of preparing data in a submission-ready form leads to overall accuracy improvements on site. That is because when you keep in mind a state that a third party can understand later, ambiguities at the time of capture decrease. Photos with unclear positions, measurements without defined ranges, and files with inconsistent names always cause problems at submission. Conversely, sites that operate with an eye toward sharing and submission refine their data acquisition practices. To make i-Construction take root in practice, you must not neglect this final outlet.

Practical precautions when advancing i-Construction

So far we have looked at five skills, but when advancing implementation on site, failures often occur more due to the approach than the technology itself. The most common mistake is trying to change all processes at once and overwhelming the site. While i-Construction aims at overall optimization, it is not necessary to upgrade everything simultaneously from the start. It is realistic to begin with easily visible high-impact areas such as pre-construction checks, position verification, and pre-checks for as-built conditions.

It is also risky to decide devices and data formats first while leaving operational objectives to later. In practice, clarify what you want to improve before choosing what to introduce. For example, the priority skills change depending on whether you want to reduce on-site movement, accelerate as-built confirmation, or streamline photo organization. Introducing systems without clear objectives tends to result in many functions that go unused.

Furthermore, do not leave it entirely to individual staff. New technologies are often introduced by one motivated person, but when that person becomes busy, operations can stall. To ensure adoption, create minimum common procedures on site so anyone can follow the same workflow. In practice, aligning when to measure, what points to check, and rules for saving data tends to produce results more reliably than trying to standardize minute operational differences.

Additionally, do not forget the original purpose of i-Construction: to make site work easier. If introducing new technologies merely increases the types of records and the burden on site staff, it defeats the purpose. After introduction, adjust operations while checking whether movements have been reduced, confirmations are quicker, and rework has decreased. Some effects are hard to quantify, but whether staff feel an improvement is an important metric.

Finally, use technology introduction as an educational opportunity. Three-dimensional data and positioning information may look difficult to younger staff, but teaching them linked to site objectives helps understanding progress. Sites that can explain why a position is taken, why a surface is checked, and why a record is necessary tend to see technology stick. The true value of i-Construction is not mere digitization but raising the quality of on-site decision-making.

Summary

The skills needed for i-Construction are not highly advanced capabilities required only at special sites. The five are: skills to understand three-dimensional design data; skills to handle high-precision positioning information; skills to acquire measurement data on site; skills to connect to construction and as-built management; and skills to organize data sharing and submission. By considering these five as a connected practical flow, sites can genuinely gain the ability to respond.

What matters is not the number of features or how new something looks, but whether it can be used continuously on site without strain. Has pre-construction checking become easier? Has position communication become clearer? Have reworks in as-built confirmation decreased? Has document organization become easier? The more these impressions accumulate, the more i-Construction will shift from a trend to a site standard. Therefore, when considering introduction, do not stop at devices and documentation—consider which skills and how to root them in the site.

If you want to review on-site checks, measurements, and recording flows centered on positioning, it can be effective to start with means that are easy to use within daily workflows, such as LRTK (iPhone-mounted GNSS high-precision positioning device). Even without establishing a large-scale system all at once, having a positioning environment that is easy to use on site makes it easier to utilize three-dimensional data, organize position-tagged records, and prepare for as-built confirmation. To make i-Construction truly functional on site, the quickest path is to steadily organize skills that can actually be used in practice.