case
April 17, 2026
[Customer Case Study] Renovation DX: Reducing Drawing, Quotation, and Proposal Workload by Approximately 60% A Practical Example of Breaking Free from Reliance on Experienced Staff

▼Highlights of this case study

Challenge: Creating drawings and preparing proposals was time-consuming, and the workload was increasing due to the need for repeated verification and revisions.
Solution:Scanat with the goal of capturing the entire site in a single scan.
Results: We reduced the time spent on design and estimating by approximately 60%. This has enabled us to establish a system where even junior staff can handle large-scale projects.

  

 \Toriu Construction is using it too!/

Scanat: Complete on-site surveys "all by yourself with just a smartphone"

  

About Toriu Construction Co., Ltd.

♦ A local construction company that handles large-scale renovation projects

Toriu Construction Co., Ltd. is a community-focused construction firm specializing in home renovations.
The company provides comprehensive services—from design and proposals to estimates—particularly for large-scale renovation projects.

  

Challenges Before Implementing Scanat

♦︎Inefficient business processes designed with repeat visits in mind

Our previous operations faced the following challenges:

  • Re-visits occurred due to missed measurements and photos
  • Duplicate work: converting hand-drawn sketches into technical drawings
  • On-site inspections are required for every design and proposal

Particularly for large-scale projects, the entire process—from the initial consultation to the proposal— required a significant amount of time , totaling approximately 32 hours.

  

How We Discovered Scanat and Why We Chose It

♦︎We want to eliminate rework during the design and estimation phases and keep our work moving forward

When creating drawings or reviewing proposal plans,

  • Revisions due to inconsistencies after drawing creation
  • Return visit to the site during the proposal phase
  • Re-work due to insufficient information during the quotation process

Such "rework in later stages" was a major factor in the increase in man-hours.

To address this situation, Scanat “capturing site conditions accurately in a single pass to eliminate rework in subsequent processes.”

  • Reduce the amount of verification work required during drawing creation
  • Preventing the need for follow-up visits during proposal review
  • Addressing Information Gaps When Preparing Quotes

The company was recognized for its ability to smoothly handle the entire process, from design to quotation.

Furthermore, since the system was implemented, the reduction in rework has enabled even junior employees to handle large-scale projects, leading to improved productivity across the entire organization.

  

Benefits of Implementation

♦︎Reduced working hours while improving project response capabilities

[Creating As-Built Drawings (Drawing Preparation)]
Before implementation: Took approximately 8 hours and required two people
After implementation: Reduced to approximately 3 hours

[Creating As-Built Drawings (Drawing Review)]
Before implementation: Took approximately 3 hours and required 2–3 people, including a sales representative and a supervisor
After implementation: Now takes approximately 1 hour and can be completed by the supervisor alone

[Proposal Plan Review]
Before implementation: Took approximately 8 hours to create
After implementation: Reduced to approximately 2 hours, resulting in a 75% cost reduction

[Quotation Creation]
Before implementation: Took approximately 10 hours to create
After implementation: Reduced to approximately 4 hours, resulting in a 60% cost reduction

  

Future Outlook

♦︎Creating a site that anyone can manage through a "design system that eliminates rework"

The implementation Scanat has significantly reduced rework and the need for double-checking in our design and proposal processes.
As a result, our workflow has shifted from one where "redoing work was the norm" to one where "we move forward on the first try."
Going forward, we plan to expand our use of the system to handle a greater volume of projects and streamline staff training.

  

 \Toriu Construction is using it too!/

Scanat: Complete on-site surveys "all by yourself with just a smartphone"

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