Standard Details Requirements Green Stormwater Infrastructure Updated: Jun 9, 2022 These drawings help you determine specific details required for: Bump-out bioretention/rain garden; Median bioretention/rain garden; and, Permeable pavement. Get Started Other Requirements Landscaping Stormwater Design Right-of-Way Watershed Protection Contact Ben Brown, PE Stormwater Administrator 919-996-3515 Department: Engineering Services Service Categories: Stormwater Related Services: Green Stormwater Infrastructure Subscribe