PISA had previously taken the liberty and cleaned these areas down prior and before, however it is now somewhat obvious that the other respective trade contractor continue to smoke on the roof areas, and dispose of cigarette butts and use the roof area as an ashtray, and have also strewn rubbish and debris such as empty water bottles, plastic bags, empty cigarette cartons and discarded cigarette butts and the like across the Installed aluminum shingles at the Podium roof areas.