On October 30, 2021, the LA Construction Alumni Association luncheon was held at Castaway, LA. 

On this day, six alumni, including Ha Seung-il (77, Architectural Engineering) and Son Ki-seo (77, Architecture), as well as Hanyang University President Kim Woo-seung, Director of External Affairs Hwang Hee-jun, and Deputy Director of External Affairs Kim Seung, attended to lay the foundation for the construction alumni community.