3.1 Design Process Overview

The LID design process builds on the planning process and the resulting composite site map of LID opportunities and constraints (Chapter 2: Planning for LID). The topography, hydrology, soils, vegetation, and other natural site features that are identified and analyzed through the site analysis will guide the layout of roads, buildings, parking, and other physical infrastructure, as well as LID BMPs.

The following text provides an overview of the design process, including clearly defining site goals, identifying applicable design standards and requirements, developing solutions that match the project goals with site opportunities and constraints, preparing a preliminary layout, and finalizing the design. This general design process works for many types of design, including standard urban stormwater management practices and LID. Following the general design process overview, more detailed guidance is provided for design of infiltration-based LID facilities.

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