research will discuss the benefits of top-down construction, the sequence of the top-down construction works, the innovative structural and foundation design. 2.3.1.1 Advantages of Top-Down Construction Method Using Top-down construction will bring some significant advantages against other construction method. The obvious advantage of utilising top down construction technique is that the superstructure can proceed upwards from ground level simultaneously with the excavation downwards (Chew, 2009)