Assertion: tower's construction | /r/HasProperty | over six years
Facets:
value: with the help of cqc department
type: OTHER
Source sentences:
text: While the official construction estimate is five years and three months (63 months), others calculate that it will take significantly longer, over seven years, based on the duration of Burj Khalifa's construction, which was over six years (with the help of CQC Department).