Although the project was based on Cottinelli Telmo's plan, he was replaced after his death by António Pardal Monteiro (as primary architect), and stability studies were completed under the direction of engineers Edgar Cardoso, Ruy Correia and António Abreu.
Walaupun proyek ini didasarkan pada rancangan Cottinelli Telmo, setelah kematiannya ia digantikan oleh António Pardal Monteiro sebagai arsitek utama, sementara penelitian stabilitas dilakukan oleh insinyur Edgar Cardoso, Ruy Correia dan António Abreu.