Implement practices to reduce the heat island effect
Rationale: Implementing practices to reduce the heat island effect, such as installing high albedo pavement and integrating vegetation on roofs, building walls, and across the surrounding area , cools on-site air temperature, which has been shown to reduce heat-related mortality, incidence of heat stroke, and heat-related hospitalization rates, particularly for vulnerable populations.
For the most accurate strategy and documentation requirements, please refer to the digital scorecard made available on the Fitwel Platform.
Requirements
Requirement Guidance: Note that all outdoor surface areas, including open spaces and paved infrastructure, and buildings within the project must meet the below requirements. |
Demonstrate compliance with one of the options below:
Option 1 - Heat Island Mitigation on Outdoor Surface Area and Building Surfaces (Full Credit):
Demonstrate compliance with all of the following requirements:
- Implement a qualifying heat island mitigation practice(s) on the building(s) surfaces including rooftops and exterior walls..
Qualifying heat island mitigation practices on the building(s) surfaces include but are not limited to the following:
– green or vegetated roofs
– green or vegetated walls
– roofing materials with an SRI above 39 for steep-sloped roofs and above 82 for low-sloped roofs.
– use of Energy Star rated cooling systems and air conditioners
Note that rooftops may exclude photovoltaic installations and mechanical areas.
- Implement qualifying heat island mitigation practices on a minimum of 51% of the total outdoor surface area on-site, including rooftops, open spaces, paved infrastructure and outdoor parking areas.
Qualifying heat island mitigation practices include but are not limited to the following:
– non-paved natural or vegetated surfaces on pathways and walkways, such as wood or grass.
– paving materials on pathways, roadways, and parking areas with a minimum initial SR value of 0.33.
– shading devices over paved areas such surface parking areas, sidewalks, or pedestrian plazas with a minimum aged SR value of 0.28.
– vegetation shade coverage on paved pathways, roadways, and surface parking areas (for new plants, base shade area on 10-year canopy).
– green open space, such as parks.
Option 2 - Heat Island Mitigation on Outdoor Surface Area (Partial Credit):
The project may achieve partial credit by demonstrating compliance with the following requirement:
- Implement qualifying heat island mitigation practices on a minimum of 51% of the total outdoor surface area on-site, including, open spaces, paved infrastructure, and outdoor parking areas.
Qualifying heat island mitigation practices include but are not limited to the following:
– non-paved natural or vegetated surfaces on pathways and walkways, such as wood or grass.
– paving materials on pathways, roadways, and parking areas with a minimum initial SR value of 0.33.
– shading devices over paved areas such surface parking areas, sidewalks, or pedestrian plazas with a minimum aged SR value of 0.28.
– vegetation shade coverage on paved pathways, roadways, and surface parking areas (for new plants, base shade area on 10-year canopy).
– green open space, such as parks.
Compliance Documentation
Built and Design Pathways
Option 1 - Heat Island Mitigation on Outdoor Surface Area and Building Surfaces (Full Credit):
Requirement 1
- Upload a description of each qualifying heat island mitigation practice(s) that will be implemented on the building(s) surfaces.
- Upload an annotated site plan(s) or map(s) identifying the building(s) where heat island mitigation practices will be implemented.
- Upload annotated design drawings or a photograph(s) showing each unique qualifying heat island mitigation practice that will be implemented.
Requirement 2
- Upload a description of each qualifying heat island mitigation practice(s) that will be implemented within the outdoor surface areas, including open spaces, paved infrastructure, and outdoor parking areas.
- Upload an annotated site plan(s) or map(s) identifying where heat island mitigation practices will be implemented.
- Upload annotated design drawings or a photograph(s) showing each unique qualifying heat island mitigation practice that will be implemented.
- Textbox to input the total surface area of all outdoor areas, open space, and paved infrastructure included on-site:
- Textbox to input the total outdoor surface area where heat island mitigation practices will be implemented:
(Percentage of all on-site outdoor surface area that will include heat island mitigation practices will be auto-calculated)
Option 2 - Heat Island Mitigation on Outdoor Surface Area (Partial Credit):
Requirement 1
- Upload a description of each qualifying heat island mitigation practice(s) that will be implemented within the outdoor surface areas, including open spaces and paved infrastructure on-site.
- Upload an annotated site plan(s) or map(s) identifying where heat island mitigation practices will be implemented.
- Upload annotated design drawings or a photograph(s) showing each unique qualifying heat island mitigation practice that will be implemented.
- Textbox to input the total surface area of all outdoor areas, open space, and paved infrastructure that will be included on-site:
- Textbox to input the total outdoor surface area where heat island mitigation practices will be implemented:
(Percentage of all on-site outdoor surface area that will include heat island mitigation practices will be auto-calculated)
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