On 17 July 2021, Asst. Prof. Dr.Kowit Nambunmee, Head of the Occupational Health and Safety Programme, the School of Health Science and Head of the Safe City Innovation Research Group cooperated with the Universal Design Center of Architecture Programme, Faculty of Sciences and Technology, Chiang Rai Rajabhat University to do a survey and design a suitable environment (Universal Design) for elderly people of Doi Thong village in Chiang Rai old town. By applying the knowledge from the universities, this project aims to improve the quality of life and create the livable, sustainable and safe environment for Chiang Rai people