What Is the Practical Workflow of Civil Engineering CAD: Explaining the Process from Drawing Creation to Delivery

Table of Contents

• The importance of understanding the civil engineering CAD workflow from the outset

• Information to organize before starting civil engineering CAD work

• Understanding current conditions and confirming reference standards before starting drawing creation

• Basic workflow for creating drawings with civil engineering CAD

• How to handle revisions and coordinate internal and external reviews

• Key points for organizing deliverables to check before delivery

• Tips for stabilizing the civil engineering CAD workflow

• Summary: Civil engineering CAD work is easier to manage when understood as a workflow

The Importance of Understanding Civil Engineering CAD Workflows from the Outset

The practical workflow for civil engineering CAD is not simply the procedure of drawing plans. It refers to the series of steps that involve organizing design conditions, survey results, and materials received from stakeholders; creating the necessary drawings according to appropriate rules; undergoing revisions and checks along the way; and bringing the work to a state ready for delivery. In the civil engineering field, not only the appearance of the drawings themselves but also practical conditions outside the drawings—such as dimensional consistency, handling of coordinates, consistency with site conditions, and compliance with the formats required by the recipient—are important. Therefore, civil CAD work does not end with drafting skills alone; it is essential to understand the preceding and following processes as you proceed.

What causes practitioners to get confused about the civil engineering CAD workflow is that the correct starting point differs slightly from project to project. In some jobs, survey results and reference drawings are already in place, allowing work to move straight on to drafting. In other jobs, there may be multiple versions of the documents or the site conditions may not match the latest drawings, so verifying things before starting to draw takes time. If you start work without understanding these differences, you may later discover discrepancies in the assumptions, leading to redrawing or major revisions of the drawings. As a result, you end up spending more time on the task and having more back-and-forth with stakeholders.

The greatest benefit of understanding the practical workflow of civil engineering CAD is that it allows you to make the order of tasks meaningful. For example, if you first grasp the project objectives and delivery conditions, it becomes easier to organize what types of drawings are required and how to approach drawing scales. Next, if you check reference materials and survey results, you can reduce later coordinate shifts and dimensional discrepancies. On top of that, if you establish expression rules such as layers, linetypes, and text heights, you can avoid situations that require a full review of the drawings midway through. Finally, if you draft with an eye toward how the deliverables will be organized, you are less likely to be rushed into adjusting file structures and naming rules just before delivery.

In civil engineering drawings in particular, the expressions required differ depending on the subject—roads, rivers, land development, structures, water and sewer systems, etc. However, even when the business fields differ, the backbone of the practical workflow does not change significantly. First confirm the purpose, then organize the reference materials, align the standards before proceeding to drafting, carry out revisions and checks during the process, and finally finish to meet the delivery conditions. If you understand this flow, you will be less likely to be thrown off by differences between projects. Conversely, if this flow remains ambiguous, methods will vary by person in charge, and even within the same company differences in drawing quality and work speed are likely to appear.

Also, in civil engineering CAD practice, ease of information transfer is as important as the accuracy of drawing creation. Those who view drawings are not only the drafters. Designers, construction staff, client-side reviewers, site personnel, and others in various roles use the drawings. Therefore, arranging drawings so that anyone can interpret them easily plays a major role in the practical workflow. To create readable drawings, you must not only focus on the final deliverable but also clearly define for yourself how you organized information during the intermediate stages and what judgments led to the decisions made in the drawings.

Those responsible for practical work who want to carry out civil engineering CAD more efficiently tend to focus only on increasing the speed of the tasks themselves. However, what actually makes a difference is not how fast you draw but whether you can reduce redraws. Projects with frequent redraws are, in most cases, caused by insufficient upfront information organization or a lack of interim checks. Understanding the workflow is not about slowing work down to be more careful; rather, it is a mindset to prevent unnecessary rework and improve overall productivity. If you want to progress civil engineering CAD work steadily, it is important to understand the whole flow, including what comes before and after drawing, not just the drafting techniques.

Information to Organize Before Starting Civil Engineering CAD Work

Before starting civil engineering CAD work, it is necessary first to put into words what task you are creating. Whether the drawing is for design, for documenting existing conditions, for use in construction, or for keeping a record after completion, the required information and the emphasis in presentation will change. For example, if a drawing is intended to capture existing conditions, the accuracy of interpreting existing structures and topography becomes important. On the other hand, for drawings closer to the construction stage, clarity of dimensions and readability organized according to construction procedures are emphasized. If you begin work while leaving this unclear, the drawings may be well-organized but end up being difficult to use in actual practice.

Next to check are the types of received materials and the organization of their versions. In civil engineering CAD practice, you may receive many materials such as plan drawings, longitudinal profiles, cross sections, general structural drawings, standard drawings, survey results, photographs, coordinate lists, revision instructions, and past drawings. At this point, what is important is not only whether materials are present but also distinguishing which are the latest and which are for reference. If multiple files have similar names or drawings with different dates are mixed together, there is a risk of drafting based on incorrect materials unless you sort them out before starting work. Especially in civil engineering tasks, changes to dimensions and positions are often introduced later, so managing the latest versions is a foundation of the practical workflow.

Before starting work, it is necessary to clarify the scope of the deliverables. Whether what is ultimately required is a single drawing, a complete set of related drawings, or whether it includes revised data and verification materials will change how you proceed through the intermediate stages. If multiple drawings are required at delivery but you begin individual tasks without keeping the overall structure in mind from the start, the work needed later to reconcile the drawings will become larger. Issues such as different naming labels between plan views and cross-sections, mismatched assumptions between structural drawings and quantity calculations, or reference positions that do not align between drawings become far more burdensome to correct if discovered at the final stage. That is why it is important to take an overview of the entire set of deliverables at the initial stage.

Furthermore, in practical civil engineering CAD work, it is important to standardize the drawing creation conditions in advance. Considerations such as the approach to scale, paper size, text legibility, line weight hierarchy, the use of layers, and the dimensioning policy should not be decided haphazardly after beginning to draw; the direction should be established as early as possible. Especially on projects where multiple people collaborate, if these initial settings are vague the appearance of drawings will vary. Trying to unify them later may not be limited to mere cosmetic fixes, but could require revising dimension placement and annotation positions. To stabilize the work flow, establishing rules before drafting is indispensable.

What those in charge often overlook is the handling of coordinates and reference points. Because civil engineering drawings are usually intended to correspond to the actual site, ambiguity in the concept of the coordinate system or in the positional reference information can have a major impact on subsequent tasks. Even if a drawing looks tidy, if positions are shifted when checked against survey results, it becomes a document that is difficult to use in the field. Before starting work, it is crucial to confirm which reference will be used, whether the references in the received documents are consistent, and how the relationship between the plan and the site coordinates should be understood. Civil engineering CAD is not a task that can be completed only on the screen; it deals with drawings that have a relationship to the actual site.

Also, if you anticipate in advance who you will check with and when, mid-course revisions will proceed more smoothly.

Rather than having the final deliverable reviewed all at once, sharing standards and direction during the process makes it easier to keep the amount of rework small.

For example, items that tend to cause large backtracks — such as drawing layout, layer conventions, and how major dimensions are taken — are effective to confirm early.

The practical workflow of civil engineering CAD is not a succession of tasks completed entirely by one person, but a process of aligning understanding with stakeholders at each decision point.

As you can see, there are far more things to organize before starting work than you might expect. However, if the organization at this stage is sufficient, the subsequent drafting process becomes surprisingly stable. Conversely, if you skip the initial checks and start drawing immediately, you may feel like you’re making progress, but comprehensive revisions are more likely to be required later. To reliably maintain the practical workflow of civil engineering CAD, it’s important to treat pre-work information organization not as a tedious preparation but as a crucial step that determines overall quality and efficiency.

Understanding the Current Conditions and Verifying Standards Before Starting Drawing Creation

When working with civil engineering CAD in practice, it is important to understand the existing conditions before drawing plans. Drawings in the civil engineering field assume that the subject exists on site or will take shape on site. Therefore, if you draft based only on documents, you may overlook on-site conditions. For example, the positional relationships of existing structures, changes in surrounding topography, construction constraints, and subtle conditions that can be read from site photographs all affect the accuracy and practicality of drawings. If you produce drawings with only a shallow understanding of current conditions, they may look tidy but lack on-site realism, leading to rework later.

When assessing current conditions, you must first determine which documents best reflect the on-site situation. Plans and survey results form the foundation, but they are not always sufficient. It is important to capture the overall picture of the subject through photographs, field inspection records, and comparisons with existing drawings. Especially in update and correction work, existing drawings may not match the current conditions, so you should not take documents at face value but verify whether discrepancies exist. Whether you can detect any sense of inconsistency at this stage will greatly affect the quality of subsequent drafting.

The next crucial task is to verify the reference positions and dimensions. In civil CAD work, it is necessary not only that the elements within a drawing are well aligned with each other, but also that the drawing as a whole conforms to the reference standards. Important reference items vary by project—for example, reference lines, centerlines, boundaries, planned elevations, and the distinction between existing and new works. If you begin drafting without clarifying these, the drawing may look consistent overall but still produce results that are misaligned relative to the references. This is especially true for work where multiple drawings are linked: if one drawing is produced using its own assumptions, consistency among drawings will break down.

Considerations of scale and drawing extent should also be organized at this stage. Civil engineering drawings cover wide areas while often requiring explanations of details. Therefore, it is important to decide from the outset how to divide the roles between drawings that show the whole and drawings that show parts in detail. If you work while unclear about what to convey on which drawing, you may end up cramming too much information into one drawing and making it hard to read, or conversely lacking necessary information. During the existing conditions assessment stage, thinking in advance about how much to represent on a single sheet and where to split into detail drawings or separate sheets will reduce the workload of later editing.

Also, this is a point where you should clarify the relationship between existing materials and newly created drawings. When reusing existing drawings, you need to distinguish parts that can be used as-is from parts that require modification. Whether you redraw everything from scratch or modify and reuse parts will change both the work time and the checklist items. However, the more you rely on existing drawings, the more caution is needed. The neater the existing drawings look, the more tempted you are to use them with confidence, but their content may not match current conditions. While reuse can improve efficiency, it also risks carrying over outdated assumptions, so it is important to carry out current-condition verification and standards confirmation together.

In practice, it is also useful at this stage to leave work notes and verification records. If you concisely organize which materials you used as the basis, which drawings you referred to, and what differences you recognized compared to the current conditions, you can return to them when you become uncertain midway through the process. Also, when stakeholders issue revision instructions, it will be easier to clarify the differences from your initial judgments. The practical workflow of civil engineering CAD is not a one‑off drafting task but an accumulation of decisions. Not relying on vague memory for those decisions contributes to stable quality.

Thoroughly grasping the current situation and confirming the standards reduces uncertainty once you start creating the drawings. This is because you can see which information should be prioritized when drawing, which items should be advanced while being checked, and which parts are likely to be affected by changes later. A truly capable practitioner in the field is not someone who is merely fast at drawing; it is someone who can organize the assumptions under which to proceed before starting to draw. To stabilize the civil engineering CAD workflow, it is important not to omit this preliminary confirmation process but rather to build it up carefully.

Basic Procedure for Creating Drawings with Civil Engineering CAD

When you enter the drafting phase of civil engineering CAD, the first thing to keep in mind is not to start by detailing immediately. In practice, the more rushed the work, the more tempted you are to begin with annotations and minor edits, but if you refine details before the overall composition is settled, you'll increase rework later when major layout changes or scale adjustments become necessary. It's more efficient to first create the overall framework and decide how information will be arranged on the drawing, then refine individual expressions. For example, it's important to first organize an overall plan of the drawing—such as the reference alignment, the positions of structures, the balance of placement within the drawing frame, and how major annotations will be presented.

At this stage, you need to determine the priority of information according to the role of the drawing. Civil engineering drawings have roles such as conveying shape, indicating positional relationships, and showing dimensions required for construction and verification. Rather than emphasizing everything equally, it is important to aim for a presentation in which the content you most want to convey on that drawing can be read naturally. For example, in a plan view, clarity of positional relationships and the scope of the subject are important, while in a detail drawing, clarity of shape and dimensions is important. If you arrange information without being mindful of this, the meaning of the drawing will become blurred.

Organizing layers is also critically important in the practical workflow of civil engineering CAD. If you separate layers according to the type and purpose of the objects, it becomes easier to toggle displays and handle revisions. Moreover, when another person handles the drawings in a later stage, it becomes easier to understand what is placed where. Layer separation is not merely a drafting convention but a means of organizing information. Organizing existing, new, dimensions, annotations, construction lines, and reference information makes it easier to see the scope of impact when modifying drawings. Separating elements that are likely to change later is also effective in practice.

The readability of a drawing hinges on how lines and text are handled. If line styles and line weights are not appropriate, the key information can become obscured. The same applies to text: you must proceed while checking that the necessary information is arranged so it can be read clearly, that it is not overcrowded, and that it does not interfere with other elements. For civil engineering drawings, it is important not to simply list what the creator understands, but to organize them so a third party can look and understand. Whether the layout and presentation are made with the reader in mind greatly affects a drawing’s practicality.

While drafting, you must always be mindful of consistency between drawings. Even if the plan view alone appears fine, discrepancies in dimensions or names can arise when compared with sections or structural drawings. These inconsistencies are more likely to occur when each drawing is completed individually, one sheet at a time. In practice, it is important to proceed using the primary drawing as a reference while checking its relationship with related drawings. Make it a habit to review the entire set at intermediate stages to confirm there are no misalignments in naming conventions, reference positions, or elements that affect quantities.

Also, in civil engineering CAD drafting, a staged approach is more suitable than trying to draw the finished product all at once. Start by creating the framework, then place the main elements, next tidy up annotations and dimensions, and finally refine the presentation — this flow makes interim checks easier. When sharing progress with stakeholders, it also becomes easier to explain what is finalized and what is still under adjustment. This method is particularly effective for practical projects where revisions are expected. If you overdevelop the details from the initial stage, responding to changes becomes more burdensome.

What's important while drafting is not to leave any sense of incongruity unaddressed. Small signs that something is off—dimensions that don't fit properly, positional relationships that don't match between documents, ambiguous notes, or unnatural line connections—can lead to major revisions later. It's easy to overlook these when you're busy, but it's ultimately more efficient to stop as soon as you notice something wrong and return to the source materials and standards to check. Civil engineering CAD is work where being able to draw something does not necessarily mean it is correct. That's why, in addition to drafting skills, you need the ability to pause during the process and make judgments.

How to handle corrections and coordinate internal and external confirmations

In civil engineering CAD practice, it is rare that a drawing is finished once it has been created. It is not uncommon to receive revision instructions midway, and you should consider the practical workflow to include handling those revisions. What is important here is not only the speed of the revision itself but also how you organize the revision content and reflect it in the drawings. If you respond to revision instructions on the spot by accumulating ad hoc individual fixes, you may disrupt the consistency of the entire set of drawings. First, position the revision within the overall context and organize which drawings are affected and to what extent before taking action.

The thing to avoid most when handling revisions is the accumulation of piecemeal, locally optimized changes. For example, if you revise only the plan drawings first and leave section drawings and quantity-related drawings outdated, inconsistencies will become apparent at the final stage. In practice, it is essential to review the revision instructions, understand the scope of impact, and check the related drawings and documents. What may look like a simple text correction can involve terminology changes that span multiple drawings, and positional revisions may require revising dimensions and annotation locations. When you receive a revision, you need to check not only the specific area in front of you but also whether the same expressions appear elsewhere.

The way reviews are circulated also affects the accuracy of practical work. In internal reviews, it is valuable to have a third party identify points that the drafter is likely to overlook. Therefore, rather than simply showing the finished drawings, it is more effective to have them check the drawings after explaining where the changes this time are, which documents were used as the basis, and which points are causing uncertainty. If the reviewer is not provided with the necessary information, the check may end up being only a superficial visual inspection, leaving essential verification of consistency and assumptions insufficient.

When confirming with external parties, it is important to communicate in a way that reduces misunderstandings. Organize information so the differences before and after revisions are clear, and make explicit what is finalized and what is for discussion to keep exchanges smooth. Because revisions to civil engineering CAD drawings often cannot be completed solely at the drafter's discretion, preparing materials for review is also part of the work. Keeping drawings easy to explain and in a state that is easy to review will, as a result, reduce the number of back-and-forth revision cycles.

Also, the approach to revision history is important. If it's unclear at which stage what was changed, it becomes difficult later when you want to verify the original state or compare it with other revisions. Especially in projects where multiple people are working, if the revision history is not shared, different judgments can end up being applied to the same parts. To stabilize the operational workflow of civil engineering CAD, it is important to organize revision details as they occur and keep the rationale for decisions traceable. This does not mean excessive management, but rather an awareness of concisely recording the changes and their reasons.

Careful timing is also necessary for reviews. Rather than waiting until everything is finished and having it reviewed all at once, it is more efficient to check points that are likely to cause major rework at intermediate stages. For example, aligning understanding early on about the drawing reference position, the approach to major dimensions, and the overall direction of expression rules reduces the burden of later revisions. On the other hand, requesting adjustments to fine-tuned expressions too early increases the review burden, so you need to be mindful of what to have checked at each stage. The review flow for civil engineering CAD is not simply the act of handing work off to a reviewer; it is important to consider when and what will be most effective for them to review.

In practice, the more revisions a project undergoes, the heavier the burden on the person in charge and the more the overall work tends to become complicated. However, if you organize the process as a flow, responding to revisions need not be more daunting than it should be. Check the scope of impact, review related drawings, and organize and share the key points for verification. By repeating this procedure, it becomes easier to maintain drawing quality even when revisions occur. What is required in civil engineering CAD practice is not aiming for zero revisions, but having a way of proceeding that does not collapse when revisions happen.

Key Points for Organizing Deliverables to Check Before Delivery

In the practical workflow of civil engineering CAD, organizing work before delivery is not a final add-on. Rather, it is not an exaggeration to say that the level of completeness of the deliverable is determined here. Even if the drawings themselves are correct, the quality of the deliverable decreases if the file structure is disorganized, naming is unclear, or correspondence with related documents is not maintained. What practitioners tend to overlook is the feeling that the job is finished once drafting is complete. However, in civil engineering work, you must anticipate that drawings will be properly checked, archived, and, when necessary, reused by the recipient.

The first thing to confirm is whether the deliverables are complete and accounted for. Not only the drawings themselves, but also related explanatory documents, verification materials, and any output data required—the deliverables expected vary by project. In projects where revisions have accumulated, old-version files often remain in the working folder, making it easy for the final version to become unclear. For that reason, before delivery it is important to organize the final versions and separate unnecessary data and files that could cause confusion. More than it may appear, this organization helps prevent mistakes at delivery.

Equally important is the consistency between file names and drawing titles. If the name on the drawing and the file name do not match, reviewers can easily become confused. Furthermore, if the correspondence between related drawings is unclear, it can hinder operations after delivery. For example, if plan drawings, longitudinal sections, cross sections, and structural drawings are organized as a single series of tasks, it is desirable that the naming and arrangement make this clear. File names should be regarded as part of the deliverable, not merely a matter of storage convenience.

A final consistency check of the drawing content is required in the last stage. Review whether the plan drawings and other drawings agree in dimensions, names, scope, drawing numbers, and note contents. Even if you think you checked repeatedly during drafting, repeated revisions can leave partial discrepancies. Especially just before delivery, when you are likely to be pressed for time, it is effective to organize the items to be checked in advance. Rather than merely glancing at them intuitively, consciously checking which items should match is indispensable for ensuring quality.

Readability on the display is also a point that should always be checked before delivery. Even if something looks fine on screen, problems can occur when outputting it, such as text appearing too small, lines overlapping and becoming hard to read, or annotations being too crowded. Civil engineering drawings are not only handled as electronic data but may also be printed for review or explanation. Therefore, it is important to finally review them from the reader’s perspective and confirm that they are in a state that is easy to understand as drawings. Readability may seem subjective, but in practice it makes a significant difference.

Before delivery, you should also check whether the drawing data contains any unnecessary elements. If auxiliary information for work, temporary notes added for interim checks, redundant shapes, or unused layers remain, the completeness of the deliverable data is reduced. These elements may be convenient during work, but as a final product they become a source of confusion. For civil engineering CAD deliverables, it is more important that the necessary information is organized than that traces of the work-in-progress are left. Before delivery, review the data from the recipient’s perspective rather than the worker’s.

Furthermore, in the final check before delivery, it is important to review whether the deliverables are appropriate in light of the overall purpose of the work. For example, if the goal is to capture current conditions, confirm that updates have been adequately reflected; if the drawings are intended for construction, confirm that necessary dimensions and notes are not missing—returning to the work objective you established at the outset is essential. When you are focused on drafting and revisions, individual elements may be well presented while the work drifts slightly from its original purpose. It is precisely just before delivery that you should go back to basics and verify the validity of the outputs.

Carefully organizing the delivery process does more than just prevent mistakes; it also builds trust among stakeholders. Of course the drawings themselves must be in order, but if file organization, naming, and the overall structure are handled thoughtfully, the recipient will feel that the entire task was carried out with care. The practical workflow of civil engineering CAD is evaluated through to the finalization of deliverables. That is why it is important to devote as much time and attention to the finishing stages as to drafting.

Operational Tips to Stabilize Civil Engineering CAD Workflows

If you want to stabilize the practical workflow of civil engineering CAD, it is important to be mindful of operating in a way that does not rely too heavily on individual experience and intuition. As experience grows, decisions become quicker, but if they depend solely on personalized methods, quality is likely to fluctuate when personnel change or projects overlap. Stable operation means creating a state where the work can proceed with consistent quality regardless of who is in charge. To achieve this, you need to verbalize the items that should be checked each time in the workflow and the points to review at each milestone of the work.

For example, before starting work, confirm the purpose, received materials, latest version, deliverables, and baseline conditions. Before drafting, organize the current situation and reference positions. During drafting, check layers, lines, text, and consistency between drawings. When making revisions, clarify the scope of impact. Before delivery, review naming, structure, final alignment, and readability. By keeping points to check at each stage like this, the workflow is less likely to waver even when projects change. If the approach to checks is organized, you are less likely to overlook important verifications even when the workload is high.

Another tip is not to let matters that haven’t been decided yet become buried in ambiguity. In practice, items awaiting confirmation or matters with decisions on hold will arise. That in itself is not unusual, but the problem is that you can lose track of where they are. To avoid getting confused when you look back later, organize the items awaiting confirmation and be conscious of at which stage they will be finalized. This is separate from drafting technique, but it is highly effective for stabilizing the practical workflow.

Also, it is important to switch perspectives between the person who creates drawings and the person who uses them. While drafting, you inevitably tend to favor formats that make your own work easier. However, actual drawings are used by site personnel and reviewers. Note placements that are hard to read or drawing layouts where relationships are difficult to follow may be convenient for the creator but inconvenient for the overall workflow. To stabilize the operation of civil engineering CAD, you need to make a habit of always reviewing from the reader’s standpoint. This not only raises drawing quality but also reduces the back-and-forth of review and revision.

How you keep work records is also important for stable operations. If it’s clear which documents you based your work on, at what point which corrections were made, and under what assumptions the drawings were prepared, it becomes easier to handle a project later when taking it over. Records that may seem unnecessary in the short term can prove useful when dealing with other projects or during rechecks. Civil-engineering CAD work isn’t something that ends once it’s delivered; because it may be reviewed later, maintaining at least minimal traces of your decisions helps ensure stable day-to-day operations.

Furthermore, in recent years in civil engineering work the importance of information coordination with the site, not just drawing creation, has grown. Because opportunities to transfer information among the design, construction, and maintenance stages are increasing, CAD drawings need to be prepared not as standalone deliverables but as part of the information that can be used on site. In that sense, creating drawings with an awareness of their relationship to coordinates and positional information will become increasingly important. If the practical flow of civil engineering CAD is viewed not merely as drawing procedures but as a flow of organizing information that leads to on-site operations, the quality of daily work will change.

Summary: Civil engineering CAD practice is less confusing when understood as a workflow

The practical workflow of civil engineering CAD is not limited to drawing plans; it is a process that considers the whole sequence from confirming project objectives, organizing reference materials, understanding current site conditions, verifying standards, drafting, revising, reviewing, organizing deliverables, to delivery. By understanding this workflow, even when conditions differ from project to project, it becomes easier to see where to organize, where to check, and in what order to complete tasks. What is important for practitioners is not just speeding up drawing operations, but adopting a way of working that minimizes rework.

In civil engineering CAD in particular, there are many elements that cannot be judged by on-screen appearance alone, such as alignment with the site, relationships between multiple drawings, and meeting delivery requirements. Precisely for that reason, it is important to view the preparatory organization, interim checks, and the final touches before delivery as a single flow. If you carry out work with the flow in mind, not only will drawing quality improve, but interactions with internal and external parties will become easier, leading to greater overall operational stability.

Furthermore, in future civil engineering practice, operations that place greater emphasis on linking CAD drawings with field information will be required. By considering connectivity with positional information and on-site verification from the drawing creation stage, you can produce deliverables that are easier to use during construction and maintenance. In that context, if you want to carry out on-site position checks and positioning more efficiently, the idea of using an iPhone-mounted GNSS high-precision positioning device such as LRTK is also effective. For those who want to make the task of tying drawings to the field more practical, it can become one option to support the upstream and downstream stages of CAD work.