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  3. アークシステム 本社
  4. Sekki-san's Helpful Blog: What is Estimation? We provide basic knowledge and tips on estimation work!
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  • Jan 20, 2022
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Jan 20, 2022

Sekki-san's Helpful Blog: What is Estimation? We provide basic knowledge and tips on estimation work!

アークシステム アークシステム 本社
Thank you for your continued support. This is a notice from Arc System. We have updated "Mr. Seki's Helpful Blog." This time, the theme is "Estimation." Estimation is one of the unique jobs in the construction industry. It involves interpreting design documents such as blueprints and specifications to calculate the costs necessary for construction and create cost estimates. Some of you may be hearing about the job of "estimation" for the first time. In this column, we will explain the job of "estimation" once again. We will introduce specific content, the types of people suited for this job, the rewards, and the challenging aspects! <Content of the post> ■ What is estimation? An introduction to the job description, suitable types, and how to find work - What is estimation? An introduction to the job description - What are the rewards of estimation? Check the types suited for the job - How should one search for estimation jobs? - [Summary] Estimation is a job where you can utilize your expertise in the construction industry and work for a long time. In addition to the article posted this time, we have published articles on various themes. Please take a moment to read them from the related links at the bottom of the page!
What is estimation? Introducing the job description, suitable types, and how to find work.
What is estimation? Introducing the job description, suitable types, and how to find work.
Mr./Ms. Seki
Mr./Ms. Seki
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Check out the posted article here! "What is Estimation? Introducing its job description, suitable types, and how to find work."
We deliver useful knowledge and tips for everyone involved in estimation work!
Construction industry estimation software "Rakuoh" series product site is here!
Reduce the man-hours required for estimation by about 65%! Introduction to Ark System Co., Ltd.'s estimation software "Rakuoh" series. With the time saved, you can also handle one more estimation!
"Rakuoh" product video now available! Watch the video here!
We are currently releasing a product video that explains everything in 2 minutes!

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[Equipment Construction/Case Study] Extraction Software "Hiroi-kun III"

Rakuou + "Hiroi-kun III" achieves over a day's worth of labor hour reduction! With the time created, we have another case! We are currently publishing examples of successful implementation that realized business efficiency!

■Dai-ex Co., Ltd. A company that specializes in water supply and drainage, sanitation, heating and cooling, air conditioning, electricity, fire protection, and water-related renovations as "professionals in equipment." ■Before While estimates and calculations are done using "Raku-O," the manual extraction of quantities takes a lot of time... It takes 1 to 2 days to extract quantities for one project, which is burdensome... ★After With the introduction of the extraction software "Hiroi-kun III," the extraction work has been reduced to less than half a day, dramatically changing the estimation process! What features and functions of the Raku-O series have achieved this efficiency? For details, please check the "Raku-O Series Case Studies" available for "PDF Download"!

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[Electrical Equipment Construction/Case Study] Estimation and Quotation Software "Rakuou 3"

Experience significant labor savings with the aggregation feature! Case study on the introduction of electrical equipment construction services now available!

■Seishin Electric Co., Ltd. A company engaged in electrical work for a wide range of buildings, including medical facilities, office buildings, and commercial facilities. ◆Challenges - The estimation workload for large projects has become enormous, posing a challenge... → The evolved aggregation function from the previous model significantly improves work efficiency! How has the evolved aggregation function solved these issues? For details, please refer to the "Case Study Collection for Electrical and Equipment Construction" available for "PDF Download."

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[IT Introduction Subsidy Eligible] Estimation and Quotation Software Rakuou 3

<Total of 2,100 companies introduced> Widely supports estimating and quotation in the construction industry. A cost estimation software that can be customized to meet your company's requirements and estimating procedures.

The software "Rakuou 3" solves such challenges. Its appeal lies in its flexible customization capabilities and robust support system for operation. We listen to your business challenges and summarize solutions for estimating tasks. 【Features】 - Reflects your company's unique estimating standards (calculation methods, material and unit price masters, forms, etc.). - Operates like a spreadsheet software, making it more convenient and efficient with familiar usability. - Prevents human errors through automation of input, calculations, and checks. - Establishes internal estimating rules by standardizing templates and masters, promoting business standardization. - Manages attachments such as images and related documents along with estimates. - Allows for the import of estimates from subcontractors, streamlining primary contractor operations. - Provides comprehensive support for accurate implementation, suggesting schedules for operation and refining the product while using it. *For product details, please download the materials from "PDF Download."

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From 3,800 yen per month! Drawing extraction software [Hiroi-kun III]

A subscription version of the drawing extraction software "Hiroi-kun," which anyone can master with simple mouse clicks, is now available!

Isn't it true that the picking work in the construction industry is complex and reliant on individuals? Experts tend to concentrate on the tasks, making it difficult to allocate time for training. If anyone could perform the picking tasks, it would ease the workload and improve productivity. The solution to such concerns is the picking software 'Hiroi-kun III.' Developed as an easy-to-use tool for beginners, it offers simplicity that anyone can utilize. Picking is completed simply by clicking on PDF or CAD drawings with a mouse. For just ¥3,800 per month, you can reduce labor hours by 50% compared to manual picking. <Features> - Quickly pick quantities, lengths, heights, areas, volumes, etc. - Simultaneous picking of multiple materials and efficiency through copying picking results. - Automatically aggregates picked materials and can output as a summary table. - Excel output of picking traces allows for submission of picking rationale. - Integration with the estimation software 'Rakuou' enables automatic creation of breakdown documents. We also offer free demonstrations. Please feel free to contact us!

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Introducing examples of solving issues through customization of the estimation software "Rakuou 3"!

The appeal lies in the flexibility to customize according to business needs. We will listen to your challenges, summarize them, and provide solutions!

Rakuou 3 streamlines the creation, sharing, and management of estimates, reducing labor by approximately 65% compared to using spreadsheet software. Additionally, we will customize and deliver formulas, estimate templates, and unit price data based on your business challenges. ▼ Business Challenges and Customization Examples - Due to differences in PC skills and estimation skills among staff, the format and pricing of estimates vary significantly. ⇒ We will adjust a common template and a material master that includes unit price data to fit your estimation needs. ★ Unify the shared estimation rules for templates and masters to standardize operations! - Creating internal documents such as financial statements from submitted estimates requires significant labor. ⇒ By preparing multiple output formats, you can switch between creating estimates for one project or construction and outputting various documents. ★ Adjustments will allow for the output of various materials, greatly reducing labor! - Calculating labor costs, such as labor rates, is complex and prone to human errors like calculation mistakes. ⇒ By registering labor rates and composite unit prices in the master, you can simply select materials and input quantities. ★ Adjustments will enable automatic calculation of each cost, minimizing errors with easy operation and automatic calculations! …etc Please feel free to share your business challenges with us! For more details about the product, please refer to the materials available for download in the "PDF Download" section.

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Quicker and more accurate construction cost estimation! Drawing extraction software Hiroi-kun III

<Monthly fee of ¥3,800 (tax included)!> Just click to trace the drawings! 50% reduction in labor hours from manual work *According to our research.

◆ One-click bulk extraction With just a click, you can extract lengths, areas, wall areas, and more all at once. It also automatically calculates the deductions for openings such as windows and doors, as well as the perimeter of frames simultaneously. ◆ Opening extraction by shape placement Simply placing opening shapes completes the area deductions and extraction of openings. No complicated calculations are required at all. ◆ Customize extraction methods for your company You can save over 2000 different extraction methods for parts and materials. You can select and quickly call up your company's specific extraction methods. It is also possible to register your company's material data. ◆ Automatic aggregation and output The extracted content is automatically listed. You can also output the extraction traces as images in Excel. ◆ Rich support for drawing formats Supports a wide range of drawing formats, including PDF and DXF. 〇 By linking the extraction results to the estimation software "Rakuou," you can also automatically create breakdown documents.

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[Construction Industry/Case Study Collection] Extraction Software "Hiroi-kun III"

We are releasing testimonials from companies that have solved various business challenges through the introduction of "Hiroi-kun III"!

[Company Name/Challenge] ■ H.B. Corporation (Large-scale renovation work) / Increased projects have made extraction a bottleneck. → Simple and straightforward. Successfully reduced work hours by 50%! The individual differences in extraction work have been eliminated. ■ CASE 2: Jun Kogyo Co., Ltd. (Waterproofing work) / Want to provide a clear basis for the quoted amount. → Achieved solid results. Additionally, reduced work hours and excessive ordering. ■ CASE 3: Sugiyama Ichishoten Co., Ltd. (Interior finishing work) / Waste due to mistakes (multiple extractions, aggregation errors, etc.) → Simple and user-friendly, reducing human errors and correction work hours. Evolved to be even more user-friendly with version changes. ■ CASE 4: Yamataku Co., Ltd. (General construction work) / Mistakes such as missed extractions and multiple extractions. → Able to extract immediately without worrying about missed or multiple extractions, even for those with no experience. For details, please download the catalog from "PDF Download."

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The photo and article of the "Civil Engineering Watching - Infrastructure Encyclopedia: Collection of Civil Engineering Structures" (Germany's Saale Valley Bridge) have been published.

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"Civil Engineering Watching - Infrastructure Encyclopedia: Collection of Civil Engineering Structures" is a portal site for images and information about civil engineering structures that form social infrastructure facilities. We have recently published photos and articles about the "Saale Valley Bridge." The "Saale Valley Bridge" was constructed at the border between Saxony-Anhalt and Thuringia, in Bad Kösen, Naumburg. Boasting an impressive height of up to 60 meters, this structure spans a total length of 1.2 kilometers and a width of 12.5 meters, harmoniously blending with the surrounding landscape designated as a nature reserve. In addition to the "Saale Valley Bridge," various civil engineering projects, photos, and articles related to civil engineering are also featured, so we hope you will take a look. Please check from the "Related Links" (Civil Engineering Watching - Infrastructure Encyclopedia: Collection of Civil Engineering Structures). Perry Japan Co., Ltd.

Aug 28, 2026

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Scent design at the entrance of a company located in Kanagawa Prefecture.

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At a company in Kanagawa Prefecture, we have introduced "Majesta Fragrance" in the entrance area, creating a fragrant atmosphere. We are adding a pleasant scent to the sophisticated entrance space. The fragrance that spreads the moment you step inside enhances the company's brand image, making it more refined. As this space welcomes important visitors such as customers and business partners, more companies are becoming particular about not only the visual aspects but also the "scent." Would you like to design a first impression with fragrance and enhance your company's appeal? Majesta Fragrance is currently accepting requests for free trial installations. If you are interested in creating a fragrant atmosphere, please feel free to contact us.

Aug 28, 2026

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Microphone, amplifier, and speaker all in one device: "TOMOT-AMP"

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Published in the Nikkan Kogyo Shimbun on June 24.

Aug 27, 2026

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[Information] Shirutoku Report 122 #Points of Caution for Technical Compliance of Wi-Fi 6 Compatible Products

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Many customers wish to obtain technical standards conformity certification (Giteki) and construction design certification to use imported Wi-Fi products domestically. However, since radio laws differ from country to country, it is important to note that adjustments to transmission power may be necessary to comply with Japan's radio law. Among these, we will introduce products that require special attention, specifically those compatible with IEEE802.11ax (Wi-Fi 6).

Aug 27, 2026

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Installed a commercial diffuser of Majesta Fragrance in the fitness gym! Balancing sweat odor control and branding!

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We have introduced the Majesta Fragrance commercial diffuser to a fitness gym located in the city. Gyms and sports clubs tend to trap sweat and humidity, making them spaces where odor issues can easily arise. That’s why "scent design (branding)" that dramatically changes the overall impression of the space is highly effective. - The diffuser being used is the [MF-01]. It is a stylish tower-type diffuser available for a monthly fee of 8,800 yen (tax included). This model is space-saving and blends well with any interior. - The scent being diffused is [Forest Green]. It is a refreshing fragrance that blends the crispness of bergamot with the natural scent of green, creating a clean and pleasant atmosphere. It enhances concentration during exercise while providing a refreshing and comfortable space. A free trial installation is available. "I don’t know what scent would suit my gym." "I want to try out the different scents available." For such stores, Majesta Fragrance offers a free trial installation. If you are considering space branding or odor control, please feel free to contact us.

Aug 27, 2026

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