Sustainable Urban Design

This standard illustrates the plan view, cross-section, and recommended design notes for a bioretention bulge, a type of curb extension bioretention system designed for use in constrained streetscape environments.The bioretention bulge is implemented where the vegetated treatment area cannot extend […]

The bioretention profile represents a template cross-sectional layout of a typical bioretention system. While actual dimensions, configurations, and materials may vary depending on site-specific conditions, contributing drainage area, and desired hydrologic performance, each system generally consists of the same core […]

Description:Pretreatment sediment basins function as small settling areas or sumps designed to capture coarse sediments, debris, and floatables before stormwater enters the main bioretention system, rain garden, or tree trench. While they serve the same general purpose as sediment pads, […]

Description:Pretreatment sediment pads are small, engineered surface features placed downstream of curb cut inlets to protect green infrastructure (GI) systems from excessive sediment and erosion. They serve as a first line of defense by capturing coarse sediments and dissipating the […]