45 Townsend Street, Roxbury, MA

45 Townsend Street

ABOUT PROJECT

A 4.96-acre site vacant site pending future development, formally owned and occupied by Radius Hospital and purchased by KIC in September 2015.

SUSTAINABILITY INITIATIVEs

1. Retention of Embodied Carbon​

In new construction, a massive amount of energy is expended to extract, manufacture, and transport materials like concrete, steel, and glass. This is known as embodied carbon.​ By reusing an existing shell, you bypass the carbon-heavy process of demolition and new structural construction.​ It is estimated that it can take between 10 to 80 years for a new, energy-efficient building to overcome the carbon debt created during its construction.

2. Waste Reduction​

Demolition and construction debris account for a significant portion of landfill waste globally. Adaptive reuse keeps high-volume materials—such as brick, stone, and heavy timber—out of the waste stream.​

Divert Waste: Millions of tons of debris are avoided by maintaining the "bones" of a structure.​

Circular Economy: It promotes the idea of buildings as "material banks" where resources are kept in use for as long as possible.

3. Energy Performance Upgrades​

While older buildings are often perceived as "leaky" or inefficient, adaptive reuse provides an opportunity to perform deep energy retrofits.​

Thermal Mass: Many older buildings feature thick masonry walls that provide excellent thermal mass, naturally regulating internal temperatures better than thin-walled modern glass towers.​

Modern Systems: During the transition, developers can install high-efficiency HVAC, LED lighting, and smart building sensors, marrying the durability of old materials with the efficiency of modern tech

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