However , the deadline was later revised to mid-2016 , September 2016 and then the last quarter of 2016 .
Construction work on Phase 2 began in April 2013 , and was given an initial deadline of July 2015 .
The deadline was later revised to mid-2016 , September 2016 and then the last quarter of 2016 .
Construction work on Phase 2 began in April 2013 , and was given an initial deadline of July 2015 .