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Building decarbonization strategies and technologies are required. In this seminar, outstanding methodologies applied in two office buildings and new technology for a non-chemical corrosion-prevention system are presented. Methodologies for office buildings include a special building frame to reduce skin load, combining a radiant panel and AHU for latent heat processing for tenant offices and a device to improve natural ventilation manually by office workers. The new technology featuring non-chemical corrosion-prevention system can extend the service life of facilities and plumbing and its effect when applied to district heating and cooling systems is presented.

1. A Case Study on the Decarbonization of Tenant Offices Combines Design and Engineering< /br> Hideki Morita, Vice Director, Shimizu Corporation, Tokyo, Japan
2. The Design Principle and Method of Achieving Zero-Energy Buildings and Decarbonization for High-Rise Urban City Halls Achieving High Levels of Comfort, Energy-Saving and Resilience< /br> Hiroki Watanabe, Chief Engineer, Takenaka Corporation, Tokyo, Japan
3. Development of the Non-Chemical Corrosion-Prevention System for Long-Life Building Equipment< /br> Yasuki Matsukawa, Manager, SHINRYO CORPORATION, Tokyo, Japan