8Meeting using BIM/CIM models (4D) of the worksiteIn the Arakawa regulation pond construction project ordered by the Ministry of Land, Infrastructure, Transport and Tourism, we utilized a digital twin Cyber Construction Site® that we produced by digitizing worksite information such as environmental and dynamic measurement data, vehicle position, and quality control data, and integrating it with BIM*/CIM* models. In this way, DX for infrastructure enabled us to make communication more vivid and enable site management without human presence, as advocated by the Ministry of Land, Infrastructure, Transport and Tourism.* BIM (Building Information Modeling): A process that involves adding information for a building to a 3D model and managing the digital representation. This makes the series of processes from design to construction and maintenance more efficient and sophisticated.A large, multi-screen monitor was installed in the Civil Engineering Division at headquarters and at worksites, through which employees held advanced meetings by looking at BIM/CIM models, 4D models, and other digital site information from various angles. We are aiming to invigorate the workplace atmosphere by providing remote support for worksites.Cyber Construction Site®, controlled via a tablet or PC screenRemote support of the worksite from the headquarters’ Civil Engineering DivisionWe completed the northern section of the up and down lanes in the road tunnel to be constructed southwest of the Ajimine intersection along National Route 331 (length of up lane = 485 m, length of down lane = 362 m). Since the Okinawa Urban Monorail and the Naha Airport Expressway run above the tunnel, the excavation was conducted alongside displacement control measures.This project was carried out to tackle the widespread subsidence in Ishinomaki City caused by the Great East Japan Earthquake. As part of efforts to construct pump facilities and inflow trunk lines that will forcibly drain rainwater, we newly constructed two pump stations (Ishinomaki port drainage pump station and Iuchi No.1 drainage pump station) and Ishinomaki Port No.4 trunk line to pump and carry stormwater away.Digital site informationBIM/CIM modelAkamine Tunnel North Section (Okinawa Prefecture)Client: Development Construction Department, Okinawa General Bureau, Cabinet OfficeIshinomaki port drainage pump station and 2 other facilities reconstruction work No. 2 (Miyagi Prefecture)Client: Ishinomaki City* CIM (Construction Information Modeling): A system created mainly to improve the efficiency of planning, design, construction, and management of civil engineering facilities and improve the quality of these facilities. Various data is added to the 3D model of the facility, producing a database that can be used in a variety of ways.Promoting work style reforms and invigorating the workplace atmosphere by establishing a centralized site management structureImproving work efficiency by creating a digital twin Cyber Construction Site®Examples of completed projectsInitiatives by the Civil Engineering and Construction Business
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