Chennai: Greater Chennai Corporation removed 2 lakh tonnes of construction and demolition (C&D) waste in the past six months across all 15 city zones. The clean-up, which began on Jan 7, was initially carried out in seven zones but later expanded to all zones after a legal dispute was resolved. The effort, supported by Premier Precision Surface, now involves 168 vehicles, including earthmovers, tipper lorries, and compact trucks. On an average, about 1,000 tonnes of waste is cleared every day.Officials said the waste is sent to recycling centres at Kodungaiyur and Perungudi, where it is sorted and reused as paver blocks for pedestrian plaza construction on Khader Nawaz Khan Road at Nungambakkam and MC Road in Royapuram. GCC also developed an app to help identify waste locations, seek approval, and upload photos after removal.New guidelines for the disposal of C&D waste came into effect on April 21. Residents are urged to follow these norms, and awareness campaigns and training sessions have been conducted. Fines totalling 39.3 lakh were collected from violators since Jan.This operation helped clear debris from roads, residential areas, and commercial zones, preventing accidents and improving hygiene. Details of the guidelines are available on the GCC website and helpline 1913.The top contributors to waste removal include Teynampet (20,589.15 tonnes), Adyar (20,199.21 tonnes), and Anna Nagar (18,114.32 tonnes).