中央ビルト工業 List of Products and Services

◆Building a Safety Management System Using Image Processing AI Technology On December 22, ACES Corporation and J-Power (Electric Power Development Co., Ltd.) announced the implementation of a collaborative project to establish a "next-generation safety management system" at work sites. ACES is an AI startup developed from the University of Tokyo's Matsuo Laboratory, specializing in action recognition. On the other hand, J-Power aims to improve "safety" at work sites as a medium- to long-term theme and plans to build a safety management system using image processing AI technology. ◆System Development Aimed for Fiscal Year 2023 In the collaborative project, they began by formulating a safety AI system vision, examining operations and structures, and considering the user interface. Additionally, in the verification and development of AI algorithms, they prioritized tasks, starting with technical verification of "counting the number of workers at heights/openings," "detecting and identifying dangerous work such as ladders/step stools," and "detecting proximity to openings." Currently, they are further advancing development verification, aiming to implement the completed algorithms on-site to demonstrate their effectiveness. They also plan to develop the system within the fiscal year 2023.

• Analysis and prediction system

◆First Virtual PPA Contract in the Construction Industry Tokyu Construction Co., Ltd. and Clean Energy Connect Co., Ltd. announced on December 22 that they have signed a contract for a virtual PPA targeting construction sites, the first of its kind in the construction industry. ◆Achieving Goals with Virtual PPA With this contract as a starting point, Clean Energy Connect plans to develop a total of 4 MW-DC (45 locations) of Non-FIT low-pressure solar power plants for Tokyu Construction's construction sites by March 2023, selling the generated electricity in the wholesale electricity market. Furthermore, through the virtual PPA contract, Clean Energy Connect will provide the environmental value of renewable electricity to Tokyu Construction for 20 years. This is expected to generate the environmental value of approximately 4.4 million kWh of electricity annually through renewable energy, resulting in a reduction of about 1,900 tons of CO2. A virtual PPA refers to transactions that involve only this type of environmental value. Tokyu Construction has joined RE100 and aims to achieve 100% renewable energy for all business electricity, including construction sites, by 2030. Therefore, it plans to continue utilizing virtual PPA services to realize this goal.

• Solar power generation equipment

◆Continuously maintaining information disclosure certification for over 14 years MC Data Plus Co., Ltd. announced on December 22 that its cloud service for the construction industry, "Construction Site Series," received the "Best Continuity Award" at the "300 Services Information Disclosure Certification Achievement Ceremony" hosted by the Japan Cloud Industry Association (ASPIC). The "Information Disclosure Certification System" aims to enhance the safety of cloud service users, and the "300 Services Information Disclosure Certification Achievement Ceremony" was held to commemorate the achievement of over 300 certified services. At the ceremony, "Construction Site Series" was awarded for maintaining information disclosure certification for over 14 years and significantly contributing to the trust and safety of cloud services. ◆Widely used in the construction industry: "Construction Site Series" The "Construction Site Series" refers to a group of four business applications for the construction industry available on the internet. As of the end of November 2022, the total number of contracted companies reached 90,608, indicating its widespread use within the construction industry.

• Personnel Information System

◆After trial operation at an actual condominium construction site, full-scale operation begins On December 21, 2022, Haseko Corporation (hereinafter referred to as Haseko) and SpiderPlus Inc. (hereinafter referred to as SpiderPlus) announced the joint development of a quality management support tool for rebar joint construction. The developed functions have undergone trial operation at an actual condominium construction site and full-scale operation has commenced. ◆Exterior inspection completed just by holding up an iPhone The jointly developed tools are two types of quality management support functions for rebar joint construction: the "Guideline Function" and the "Calculation Function," which have been added as new features to SpiderPlus's architectural drawing and site management app "SPIDERPLUS," introduced by Haseko since 2018. In the exterior inspection required after the completion of rebar joint construction, measurements were previously taken using an SY gauge on the welded joint parts. However, by using the "Guideline Function," the inspection can be completed simply by holding up an iPhone, eliminating errors by the measurer and standardizing the process. Additionally, the "Calculation Function" allows for immediate display of calculation results such as anchorage length, provided that information such as rebar type and diameter is pre-entered, contributing to improved operational efficiency.

• Steel bar construction

◆Expanding On-Site Availability Nikon-Trimble Co., Ltd. announced on December 20 the launch of the latest standard-compliant, antenna-separate GNSS receiver for surveying, the "Trimble R750." This receiver has enhanced on-site availability due to the inclusion of a 4G/LTE SIM slot and USB Power Delivery support to avoid power loss in the field. As a result, it is suitable not only for public surveying but also for static observations, RTK reference stations for construction surveying, and mobile station receivers for depth surveys. ◆RTK Observations and Infrastructure Displacement Measurement are Also Possible With the 4G/LTE SIM slot, this receiver allows for observations without being restricted by the range of radio equipment. By connecting the receiver to the internet, RTK observations are possible as long as each observation point is within the mobile phone communication network. Additionally, equipped with the positioning engine "Trimble ProPoint," it supports multiple satellites, further expanding the observation range. Furthermore, a monitoring bundle specifically for fixed-point observations is also available, enabling infrastructure displacement monitoring.

• Surveying

◆ "Construction Spirit" Analyzes Trends Based on the Popular Article Rankings of 2022 On December 20, 2022, H&Company, which operates the web media "Construction Spirit," published a report analyzing noteworthy topics and trends based on the popular article rankings of 2022. The report analyzes the access trends of popular articles from "Construction Spirit" published between January 1 and December 15, 2022, by age group. ◆ The Most Popular Article Ranked First: Study Methods for the Second-Class Electrician The top-ranked article in the 2022 popular article rankings was about study methods for the Second-Class Electrician, attracting significant interest from younger audiences, with 46.8% of access coming from those aged 34 and under. The second-ranked article was about the minimum wage revised in October 2022, with 46.9% of access from those aged 35 to 54, indicating interest from veteran and managerial groups. The third article discussed the "Construction Industry Retirement Allowance Mutual Aid," followed by the fourth article on how to calculate night shift allowances, and the fifth article on the pass rates for the First-Class and Second-Class Electrician skill tests. *You can download catalogs for electrical work-related products from the link below.

• Electrical Equipment Testing

◆General Sale of Textbooks and Question Collections for the 2023 Construction Management Engineer Examination On December 16, 2022, the Japan Construction Information Center (hereinafter referred to as CIC) announced the general sale of textbooks and question collections for exam preparation for the 2023 Construction Management Engineer Examination. These materials correspond to the first and second levels of the primary and secondary examinations for construction management in architecture, civil engineering, electrical work, plumbing, and telecommunications, and will be sold sequentially starting in January 2023. ◆Reflecting the Latest Trends in Exams While Covering Key Points CIC, which offers intensive short-term courses, will sell the exam preparation textbooks and past question collections for construction management engineers (in architecture, civil engineering, electrical work, plumbing, and telecommunications) to the general public, which were previously available only to course participants. The exam preparation book is created by focusing on the important points, utilizing the exam preparation know-how that CIC has accumulated over 24 years. It reflects the latest trends in exams after thoroughly analyzing past question trends, allowing busy professionals to study efficiently. The book can be reserved and purchased on CIC's official website, general bookstores, Amazon, and other platforms.

• Renovation and repair methods

◆Application at the construction site of a biomass dedicated power generation facility in Ishinomaki City, Miyagi Prefecture On December 14, 2022, JGC Global Corporation (hereinafter referred to as JGC Global) announced the application of a foundation formwork created using a 3D printer at the site of the biomass dedicated power generation facility in Ishinomaki City, Miyagi Prefecture, which was contracted for construction by JGC Corporation. ◆Formwork construction completed in half the time JGC Global installed a gantry-type concrete construction 3D printer manufactured by COBOD of Denmark at the site. Using materials commonly available at general construction sites, such as cement and aggregates, they demonstrated the outdoor creation of foundation formwork made of mortar and concrete mixed on-site. In this demonstration, conventional methods were also employed simultaneously. While the conventional method took 16 days, including backfilling work, the use of the 3D printer eliminated the need for on-site formwork assembly and demolding, allowing for the completion of formwork construction in a target of just 8 days, half the time. JGC Global aims to continue introducing on-site 3D printers in collaboration with domestic and international companies. *You can download our catalog of formwork-related products from the link below.

• Formwork material