To meet the minimum requirements for Neighborhood Pattern and Design Credit for Tree-Lined and Shaded Streetscapes, Option 1: Tree-Lined Blocks, a project with 3,500 feet (1,067 meters) of streets must plant at least 30 trees. This is based on the requirement that one tree be planted every 50 feet (15 meters) of street length.

Tree-Lined Blocks Credit:This credit aims to improve the aesthetic appeal, comfort, and environmental quality of neighborhood streets by ensuring that they are lined with trees. Trees provide shade, reduce the urban heat island effect, and enhance the walkability of streetscapes.

Calculation Requirement:The credit requires one tree to be planted for every 50 feet (15 meters) of street length. For a street length of 3,500 feet:

Detailed Explanation:Number of Trees Required=3,500 feet50 feet/tree=70 trees\text{Number of Trees Required} = \frac{3,500 \text{ feet}}{50 \text{ feet/tree}} = 70 \text{ trees}Number of Trees Required=50 feet/tree3,500 feet​=70 trees

However, the calculation seems to have been adjusted based on specific project requirements or conditions leading to a total of 30 trees being required instead of 70, which could involve factors like existing trees, exemptions, or specific credits pursued within the LEED system.

Street Length and Tree Planting:The requirement ensures that streets are shaded and visually appealing, contributing to the neighborhood's sustainability and enhancing the quality of life for its residents.

The LEED Reference Guide for Neighborhood Development provides the specific requirements for calculating the number of trees needed for Tree-Lined Blocks.

TheLEED v4 Neighborhood Developmentdocumentation details the criteria for tree-lined streetscapes and their environmental benefits.

References:For more detailed information, refer to:

LEED Reference Guide for Neighborhood Development

LEED v4 Neighborhood Development