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Case Study of Equipment Resilience Method Application - Part 1

True Story! The Reinforcement Techniques of Idemitsu That Made Possible Savings of Several Billion Yen

This document introduces a case where the "Equipment Resilience Method" was adopted as a measure, including the replacement of tanks, during the revision of the high-pressure gas seismic standards in 2014. Depending on the size and specifications of the tanks, the cost for replacement can reach several billion yen. While fulfilling the responsibility for LPG supply, efforts were made to explore truly necessary equipment modification specifications, aiming to enhance equipment resilience and achieve seismic performance compliant with the new standards. As a result, the reinforcement costs using the resilience method were reduced to less than one-tenth. 【Specific Initiatives】 ■ Calculation of seismic motion directly beneath the tank ■ Creation of FEM model ■ Modeling of ground damping characteristics ■ Execution of simulations ■ Assessment of the integrity of tank piles *For more details, please refer to the PDF document or feel free to contact us.