 Dị ka American Society of Civil Engineers, na aha e ọma kwesịrị.  Ọ na-etinye Channel Ọwara n'etiti ụkpụrụ ụlọ ebube dị ka Alaeze Ukwu State Building na CN Tower. 
 8ị oa America Society of Civil2 E gineers, na aha e ọma kwesịrị   Ọqna-etqnye Channel Ọwara n'etuti ụkpụbrụ ụl   bube dị ka Alaeze Ukwu 3State Building na CN Tower. 