As ITD will demolish Derrick Carne boom life 25 m, on Tuesday 18th November 2014. Because we will install Derrick Crane boom life 18 M instant boom life 25 M. in 17th November 2014 and complete all roof steelwork on 30th November 2014. Therefore, we will demolish derrick crane boom lift 18 M on 2nd December 2014.