[ZEROSAI Case Study] NEXCO Order Excavation and Embankment Work
Mainly engaged in excavation and slope construction to create new roads. There are challenges in addressing abnormal weather conditions such as heavy rainfall in recent years. Technical proposals and creative ideas.
【Operating Environment】 Install the [N Sensor] on-site to observe rain, wind, temperature, and humidity in real-time. Additionally, since there is no power supply on-site, operations will be conducted using a solar power system. 【Purpose of Introduction】 〇 In the event of a sudden heavy rain during construction, it is difficult to respond quickly on-site, so it is necessary to avoid dangers to workers from landslides and mudflows in advance. This system is introduced to manage the construction process based on prior weather forecasts. 〇 The mudflow caused by sudden heavy rain can also negatively impact the quality of the cut-and-fill work, so this system is introduced to ensure quality. 〇 It is essential to implement measures to predict and respond to localized heavy rain in advance.
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【Usage Method】 〇 Confirm pinpoint forecasts using the 【Disaster Prevention Board】. Update "ultra-short-term forecasts" of rainfall predictions for the next hour in 5-minute intervals and obtain hourly rainfall forecast information for up to 24 hours to reflect in construction procedures. 〇 Establish a system for rapid response by pre-formulating manuals for inspecting and reviewing drainage facilities based on the actual rainfall observed by the N sensor and the forecasts from the Disaster Prevention Board, as well as for evacuation methods for personnel and machinery. 〇 Visualize the current rainfall and the predicted rainfall one hour later using the 【Disaster Prevention Light】, and establish a system to promptly implement rain countermeasures by alerting with rotating lights and sirens when pre-set threshold values are exceeded. 〇 Install a 【Web Camera】 to continuously monitor construction conditions from the site office and staff smartphones, facilitating quick responses to any changes that occur. Customer Feedback 〇 Based on predictions of localized heavy rainfall, we were able to implement preemptive measures such as sheet protection and drainage inspections, ensuring the quality of the earthworks. 〇 Extracted observational data was utilized as supporting documentation for the client. 〇 Operations were possible even at sites without power, thanks to solar power systems, allowing for the collection of pinpoint data from the site.
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Ministry of Land, Infrastructure, Transport and Tourism - Prefectures - Municipal Orders Civil Engineering Works - Construction Works Technical Proposals - Creativity and Innovation
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Company information
Sysmet Co., Ltd. is a comprehensive weather consulting firm that utilizes experienced engineers and the latest technology to provide accurate information and up-to-date information systems aimed at solving the problems of various companies. Weather and oceanographic information is essential for protecting human lives from danger and preventing material and human losses. By obtaining highly accurate weather and oceanographic information, businesses can quickly implement risk avoidance and disaster preparedness measures. We are committed to research and development and quality improvement to meet the needs of all companies, including weather and oceanographic forecasting, system development, and weather and oceanographic observation and analysis.