Projects may use Option 1. Surround Density of the LEED BD+C Surrounding density and diverse uses Credit to comply with Part 3: Neighborhood Connectivity. Documentation must demonstrate that the project is located on a site where the surrounding density within 400 m [1/4 mi] of the project boundary has a minimum combined density of at least 5,050 m²/acre [22,000 ft²/hectare] of buildable land, a minimum residential density of 7 dwelling units (DU) per acre [17.5 DU/hectare], or a minimum nonresidential density (FAR) of 0.5.