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11 Hoyt, Brooklyn, NY

ULMA is part of the development of the new Downtown Brooklyn
Located in Downtown Brooklyn, the 11 Hoyt project, is a 770,000 square foot residential tower, with 57 stories.


Located in Downtown Brooklyn, the 11 Hoyt project, is a 770,000 square foot residential tower, with 57 stories. The 597-foot tall structure will take 590,000 square feet dedicated to residential use and the rest to commercial space in the rooftop and ground floor. The project also includes an underground 147 space parking garage.

The residential space will include 481 condominiums and 50,000 square foot of amenities.

The building façade features precast concrete panels shaped to create the scalloped edges that run across the tower to simulate waves.

ULMA Solution

ULMA takes part in the project assisting Structure Tech NY building the all-concrete structure, from the ground to the rooftop.

For the erection of the concrete slabs, ULMA proposed the use of CC-4 panelized shoring system with the ALUPROP post for the shoring and re-shoring. The customer, with vast experience using the CC-4 system; decided to continue using it for the safety features and the quickly assembly the system provides. This project required nearly 13,000 ft2 of CC-4 Panels. CC-4’s high productivity and efficiency allowed Structure Tech NY to keep the project in a 3 days concrete cycle.

For all interior and exterior shear walls and columns, 650 linear feet of MEGALITE handset panel system was used. The light weight design of the panels, quick and easy connections, provided the customer great labor productivity to erect and dismantle the formwork.

The first and second stories had a shoring height of 22 ft. for which ALUPROP towers were used to support the CC-4 panelized shoring system. ALUPROP Towers can be made by combining ALUPROP posts and bracing frames, allowing shoring greater stability. For the inclined columns, MEGALITE handset formwork in combination with MK walers were used. The typical shoring height was 10’- 10”.

In total, more than 11,000 aluminum props were delivered to the job site to build the slab under construction and to re-shore the 6 floors below.

The constant communication between ULMA and the customer helped to keep the project moving forward meeting every requirements.