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Facility Information

Culture, industry, and community converge in Boston’s Seaport district, creating one of the most dynamic and vibrant neighborhoods in the country. Unlocked after a decade of development and $22 billion of public investment, Seaport is now home to an ecosystem of more than 350 companies, from global leaders in technology and biotech, to groundbreaking startups. In the heart of the district, WS Development is transforming 33 acres of land, composed of 7.6 million square feet of residential, hotel, office, retail, entertainment, civic and cultural uses, as well as signature public open spaces. The project represents the single largest active development project in Boston’s history.

111 Harbor Way, designed by a collaboration between the San Francisco and Boston offices of Gensler, is a 525,000 square-foot, 17-story mixed-use building. The first two stories of the project contain 80,000 SF devoted to retail and restaurant uses. The remaining 15 stories feature 430,000 SF of office space that are fully occupied by a leading global technology firm. Gensler respected the authentic industrial context of the Seaport, creating a building that has a timeless aesthetic and a highly articulated expression. The building’s design emphasizes human-focused elements, including outdoor terraces on alternating floors and the Paseo, a street-level interior public promenade lined with shops, cafes, and a welcoming central amphitheater. The project achieved LEED Gold certification.

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55 Pier 4 Boulevard, Boston, MA 02210

Marketing Claim Verified by UL Solutions

Verified Healthy Building for Indoor Air

Verification Method

UL’s Healthy Buildings Verification Mark for Indoor Air demonstrates that indoor spaces provide healthy indoor air quality (IAQ). It shows a commitment by building owners and managers to create and maintain indoor environments that support tenant health, well-being and comfort, backed by UL’s globally recognized expertise in IAQ and building health. These buildings meet rigorous performance criteria and have policies and plans in place for continual advancement of IAQ. To achieve the UL Healthy Buildings Verification Mark, spaces underwent a desktop audit and on-site visits that include visual inspections and performance testing to evaluate a range of building conditions. The program includes an annual comprehensive assessment coupled with surveillance at the mid-year point. The IAQ testing requirements verify that the building air meets rigorous standards. These standards are aligned with industry-recognized, third-partyUL’s Healthy Buildings Verification Mark for Indoor Air and Water demonstrates that indoor spaces provide healthy indoor air quality (IAQ). It shows a commitment by building owners and managers to create and maintain indoor environments that support tenant health, well-being and comfort, backed by UL’s globally recognized expertise in IAQ and building health. These buildings meet rigorous performance criteria and have policies and plans in place for continual advancement of IAQ. To achieve the UL Healthy Buildings Verification Mark, spaces underwent a desktop audit and on-site visits that include visual inspections and performance testing to evaluate a range of building conditions. The program includes an annual comprehensive assessment coupled with surveillance at the mid-year point. The IAQ testing requirements verify that the building air and water meets rigorous standards. These standards are aligned with industry-recognized, third-party organizations such as the Environmental Protection Agency (EPA), the National Institute for Occupational Safety and Health (NIOSH), the World Health Organization (WHO) and the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE), among others. All laboratory testing and analysis methodologies are informed by the EPA Compendium of Methods, ASTM D5197 and TO-17 for air sampling, and EPA methods. organizations such as the Environmental Protection Agency (EPA), the National Institute for Occupational Safety and Health (NIOSH), the World Health Organization (WHO) and the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE), among others. All laboratory testing and analysis methodologies are informed by the EPA Compendium of Methods, ASTM D5197 and TO-17 for air sampling, and EPA methods.

About the Company

Massachusetts-based WS Development is a mixed-use developer with a singular mission: creating places people want to be. With an approach that values art, science, innovation and, above all else, people, WS strives to engage each community it serves with best-in-class installations and activations. Established in 1990, WS is a vertically integrated company that conceptualizes, owns, operates and leases more than 100 properties that range from cutting-edge urban spaces to lifestyle and community centers. With over 20 million square feet of existing space and an additional five million square feet under development, it is one of the largest privately-owned development firms in the country.

What is UL Verification?

UL Verification is an objective, science-based assessment that confirms the accuracy of marketing claims. Our independent assessment process scrutinizes the validity of specific advertising or promotional statements, giving you a way to separate verified fact from fiction.

Verified Healthy Building

WS Development

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