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由国际建筑事务所Goettsch Partners设计建造的南运河320号现已正式落成，这座大楼可谓是芝加哥“最健康的”办公楼，同时也是该事务所协同开发商和承包商团队专注于租户健康的系列项目中的最新作品。这座高达51层的大厦位于芝加哥联合车站对面，与公共交通，以及主要高速公路紧密相连，建筑总面积达174万平方英尺（约161651.3平方米），包括了会议中心、健身中心、餐厅、外卖市场、银行分行，底部裙楼中还设有一家鸡尾酒厅，地下层则为可停放324辆汽车/电动汽车和114辆自行车的停车场。此外，占地2.2英亩（约8903平方米）的场地还以The Green公园为特色，这座公园堪称是芝加哥最大的私人公园之一。

Global architecture firm Goettsch Partners (GP) has completed 320 South Canal, Chicago’s healthiest office tower and the latest in a series by the same architect, developer and contractor team that focus on tenant health and wellness. Located across the street from Chicago Union Station with close connections to transit and the major expressways, the 51-story tower totals 1,740,000 gross square feet and includes a conference center, fitness center, restaurant, to-go market, branch bank, and a cocktail lounge in an adjacent structure, as well as parking for 324 cars/electric vehicles and 114 bicycles. The 2.2-acre site also features The Green at 320, one of the largest privately owned public parks in Chicago.

▼项目概览，overall of the project © Ian Jolipa

该项目由Riverside Investment & Development和Convexity Properties开发，Clark Construction承建。建筑师设计方GP、开发商Riverside，以及承建方Clark，这一个团队还在分别在2020年与2017年交付了美国银行大厦以及北滨江150号办公楼。包括本项目在内的，这三座超过50层的高层建筑均获得了LEED金级、WELL铂金级和WiredScore铂金级认证或预认证。在过去10年里，这三栋高层办公楼建成的总面积高达500万平方英尺（约合46.4万平方米)。

The project was developed by Riverside Investment & Development with Convexity Properties and built by Clark Construction. The same team of GP, Riverside and Clark also delivered the city’s Bank of America Tower in 2020 and 150 North Riverside office building in 2017. All three 50-story towers are certified or precertified LEED Gold, WELL Platinum and WiredScore Platinum. Together, they total nearly 5 million square feet completed in the last 10 years.

▼大楼与周边环境鸟瞰，
aerial view of the building and surrounding environment © Nick Ulivieri Photography

▼The Green公园鸟瞰，aerial view of The Green © Nick Ulivieri Photography

从外观上看，南运河320号大楼成三段阶梯状沿着基地东侧向南北方向延伸。建筑的东立面与场地边界线对齐，巩固了由相邻街区历史悠久的联合车站前厅定义的城市街道立面。三段式的设计反映出建筑的内部组织，高效的无柱楼层满足了不同类型租户的需求。在体量后退处，大型露台为大楼使用者提供了舒适的户外空间与广阔的市中心视野。巧妙的折叠体量创造出不断变化的立面肌理，同时在视觉上增强了建筑的垂直性。在街道层面，东西立面上的垂直元素转化为V型结构，将底层空间向城市打开，进而将公园纳入建筑之中，而反过来，建筑也成为了公园的延伸。

Designed as a stepped, three-tiered building, 320 South Canal is oriented in the north-south direction along the east side of its site. The east face of the building aligns with the property line, reinforcing the urban street wall defined by the historic Union Station headhouse on the adjacent block. The three setbacks reflect the internal organization of the building, with efficient, column-free floor plates that cater to a variety of tenants. Large terraces at each setback offer outdoor amenity spaces with expansive views of downtown. The building’s subtly folded façade creates an ever-changing texture that reinforces the verticality of the building. At street level, east and west façades express V-shaped structural transfers that open up the ground floor. The resulting effect is that the park becomes an integral part of the building, and the building serves as an extension of the park.

▼三段式阶梯状大楼外观，
the three-tiered building appearance © Nick Ulivieri Photography

早在疫情爆发之前，GP事务所就致力于对建筑使用者的健康与福祉做出长期的承诺。在本项目中，设计的核心策略强调改善人们的办公环境，关注人们的福祉，落成后的建筑获得了LEED金认证、WELL白金预认证和WiredScore白金认证。塔楼的设计采用了创新技术，以最大限度改善居住者的健康，减少有害环境因素带来的相关风险，同时提高办公楼租户的运营效率。其中最能体现出这一理念的当属先进的空气监测和过滤系统，双极空气电离装置能够不间断地为大楼输送六倍于国家标准的新鲜空气，用户端程序可为大楼租户实时显示空气质量指标数据，此外，该空气系统还结合了抗菌装置，以及全程的非接触式技术，同时鼓励用户进入户外露台，呼吸新鲜空气，参与到丰富的户外活动中。

▼分析图，analysis diagram ©Goettsch Partners

Well before the Covid era, GP held a longstanding commitment to tenant health and wellness. At 320 South Canal, design strategies emphasized improving occupant wellbeing, with the building achieving LEED Gold certification, WELL Platinum precertification and WiredScore Platinum certification. The tower incorporates innovative technology to maximize occupant health, mitigate risk related to harmful environmental factors, and enhance tenant operational efficiency. Select features include advanced air monitoring and air filtration systems, bipolar air ionization, fresh air delivery that is six times the national code standard, a tenant engagement app that provides a real-time display of air quality metrics, antimicrobial fixtures, and touchless technology throughout, as well as access to outdoor terraces for fresh air and the many outdoor spaces and activities provided by The Green.

▼立面突出垂直线条元素，the facade features vertical line elements © Nick Ulivieri Photography

▼垂直立面元素在建筑底层转化为V型结构，
the vertical facade elements transform into a V-shaped structure © Nick Ulivieri Photography

GP董事长兼联合设计总监、美国建筑师协会（FAIA）主席James Goettsch表示：“我们相信，建筑底层空间的设计比建筑顶部和天空的关系更加重要，因为，底层空间承载了人们与建筑的大部分互动，这里的互动指的不仅仅是租户，还有普通公众。”

“It is our belief that how a building meets the ground is more important than how it meets the sky,” says James Goettsch, FAIA, chairman and co-design director of GP. “It is where people engage and interact with the building, not just the tenants but the general public.”

▼底部花园成为建筑的外部延伸，the bottom garden becomes an external extension of the building © Nick Ulivieri Photography

▼花园日景，day view of the garden © Nick Ulivieri Photography

在早期规划过程中，设计团队决定为大楼打造更高的层高，进而使建筑的占地面积更小，并将场地的大部分规划为公园。最终，场地上留出了面积高达1.5英亩（约6070.2平方米）的公园空间，该公园由GP与景观设计公司Confluence合作设计，公园景观围绕着10000平方英尺（约929平方米）的椭圆形草坪组织。一条蜿蜒的小径贯穿了基地东北角到西南角，这条小径作为场地中的主要行人通道，促进了车站和不断发展的西环之间的联系。除了中央草坪外，公园内还包括了各种各样的小型活动空间，能够满足各种自发性或有组织的社交活动需求。此外，公园北侧还设有快闪零售空间，所有这些都以标志性的联合车站总部为背景。

Early in the planning process, it was decided the tower should be taller with a smaller footprint, allowing most of the site to be dedicated as a park. The 1.5-acre park space, designed by GP in collaboration with landscape architect Confluence, is organized around a 10,000-square-foot oval-shaped lawn. A curved path defines the main pedestrian circulation from the northeast to southwest corners of the site, promoting connections between the station and the evolving West Loop. In addition to the central lawn, the park includes a variety of smaller spaces that, together, allow for a variety of outdoor activities, both programmed and spontaneous, as well as pop-up retail space at the north side—all set against the backdrop of the iconic Union Station headhouse.

▼花园夜景，night views of the garden © Nick Ulivieri Photography

GP事务所负责人Joachim Schuessler表示：“The Green公园将城市的喧嚣与交通噪音隔绝在外，宛如一处宁静的城市绿洲，重要的是，这座绿洲不仅仅对大楼租户开放，还对公众开放，无论时间无论季节，所有人都能来此，享受公园带来的美好时光。”

“Within The Green, the traffic and noise of the city are tuned out, and the park becomes an urban oasis, says Joachim Schuessler, principal at GP. “It was important that The Green feels welcoming to building tenants as well as the general public, allowing people to enjoy the park through all times of the day and in all seasons.”

▼大楼底层夜景，night view of the ground floors © Nick Ulivieri Photography

▼立面夜景，night views of the facade © Nick Ulivieri Photography

除了作为蒙特利尔银行金融集团（BMO Financial Group）全新的美国总部外，南运河320号大楼还容纳了著名律师事务所Chapman & Cutler与Faegre Drinker，以及最近签约的Skadden Arps和国家期货协会等。

The 320 South Canal building is anchored by Montreal-based BMO Financial Group as their new U.S. headquarters. Other tenants include law firms Chapman & Cutler and Faegre Drinker, as well as recently signed tenants Skadden Arps and the National Futures Association, among others.

▼大厅，lobby © Nick Ulivieri Photography

▼电梯厅，elevator hall © Nick Ulivieri Photography

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