Waste management is carried out by the Pekanbaru City Environment and Sanitation Service and also in collaboration with a third party, namely, PT. Godang Tuah Jaya zone 1 and Pt. Samhana Indah zone 2 which has duties and transport areas in each zone. The cooperation with third parties is only for transportation and disposal to the final disposal site, as well as the Waste Management Divisiā¦