Department of Building Engineering & Construction Management (BECM), RUET has successfully organized an online seminar on “Concept of Tubular Systems for the Design of Supertall Building” on 28 August 2021. Department of Building Engineering & Construction Management (BECM) is extremely thankful to all of the participants attending the seminar for making the event mettlesome and fruitful. Special thanks goes to Chief Guest: Prof. Dr. Md. Rafiqul Islam Sheikh, Special Guests: Ret. Prof. Dr. Nesar U. Ahmed and Prof. Dr. NHM Kamrujjaman Serker, Speaker: Akhtar M Zaman, Engr Nazrul Islam, Faculty Members, Students from BECM and Civil Engineering Department. We are highly impassioned for arranging such efficacious events in near future.