Tree Cutting and Earth-balling Permit Application Process and Requirements for DPWH Infrastructure Projects. Category: Department OrderSub Category: environmentSeries: 2018No: 116File: DO_116_s2018.pdfDate: Wednesday, August 8, 2018Tags: Tree Cutting and Earth-balling Permit Application Process and Requirements for DPWH Infrastructure ProjectsPS 116 EnvironmentBureaus and Services: Planning Service Read more about Tree Cutting and Earth-balling Permit Application Process and Requirements for DPWH Infrastructure Projects.