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The outriggers are connected to the main columns via steel plates that penetrate the facade into the joints. The thickness and lateral deflection of these plates were carefully calculated to accommodate all relative movements caused by floor deflections and thermal expansions. The facade joint in the penetration area was also sized accordingly. Beyond the outriggers, the facade boasts other notable features, including external T-section extruded aluminum fins, 480 operable vents for ventilation, and 7 doors on the terraces at levels 2, 5, and 7.
To ensure a weathertight seal at the outrigger penetrations, Focchi's R&D team developed a bespoke "accordion gasket." This gasket, completely filled with silicone, envelops the outrigger, creating a flexible connection that allows for movement while maintaining the air-water seal. The system underwent rigorous testing to guarantee its effectiveness.
This detail would not have been possible with a typical male-female post system commonly used in the American market, which relies on "snap-in" extrusions. Only Focchi's custom-made female-female system, specifically designed for this project, enabled the creation of a high-performance seal around the outriggers.
During installation, Focchi's site team worked closely with the installer, Walsh Glass & Metal, to ensure the proper installation and sealing of every component. Any on-site challenges were swiftly addressed, thanks to the collaboration with Two Trees' on-site personnel.
At first glance, WT-1's main unitized facade might appear conventional, but Focchi's work is anything but ordinary.
This project's uniqueness lies in the integration of approximately 100 steel outriggers that extend from the facade. These outriggers are vital in connecting the historic brick structure's stabilizing wall ring beams to the steel pillars of the new internal load-bearing structure. Focchi collaborated closely with PAU and Silman for several months to meticulously coordinate the placement of these outriggers, ensuring their structural integrity, watertightness, and minimal disruption to the primary horizontal seal. To achieve this, the struts were strategically positioned along the vertical joints, well below the floor profiles and away from the facade stack-joints.
Located on the waterfront of Domino Park in Williamsburg, this 1880s historic industrial building is returning to life as a modern office space. Designed by PAU, the barrel-vaulted glass structure integrates history, innovative engineering, and sustainability in a forward-thinking adaptive reuse project. In a unique approach to refurbishment, the architects nest a brand-new building within the existing envelope, with a 12-to-15-foot gap between the new and the old. By pulling back from the original walls, ideal and standardized floor heights can be achieved, creating best-in-class office space that is designed to meet the needs of new tenants.
A living landscape, featuring cascading vines, trees, and natural plantings, establishes a green ecosystem between the glass curtain wall and the brick masonry walls. This integration of the natural environment not only enhances views but also contributes to the health and well-being of building’s occupants.
Under the guidance of James Corner Field Operations, renowned for their remarkable transformation of the High Line, the landscaping aims at seamlessly reconnect the wide area surrounding Domino Sugar Refinery (known as Domino Park) with the neighbourhood to the waterfront and transform another abandoned site into a popular destination.
The cap ends on the short fronts of the barrel-vaulted roof feature WT-1C type flat units. These units are based on the same system as the WT-1 but extend up to 6 meters in height and are supported by a secondary steel framework.
The junction between this facade and the curved roof creates triangular or trapezoidal units, where the inclined side is curved and thick, and the upper transom acts as a curved lateral mullion. Small curved paneled units were installed to complete the interface detail and also serve as coping.
On the east and west elevations, at levels 12 and 13, the curtain wall system differs slightly because the roof curvature begins at the 12th floor. The WT1-D facade serves as the transition between the WT-1 facade and the roof on these elevations.
The sealing system was doubled both horizontally (with a double saddle gasket) and vertically (with a double vertical key).
All vertical extruded elements, including the facade mullions and external fins, were designed to be curved. The glazed panels themselves were curved along the longer side.
The units on the 13th level were installed from the same floor, using a technique similar to that of American Window Walls.
The building's barrel vault is an open, fully glazed space that extends nearly 18 meters (60 feet) above the 14th floor. The new facade envelope is supported by a curved steel ribbed metal structure with a 6-meter spacing, connected by a system of purlins and bracing. The facade elements had to be designed to rest solely on the main ribs. During the design phase, several solutions were considered:
