Hartford, CT – Bushnell Plaza was designed and conceived by I.M. Pei in the late 1960’s and sits next to Bushnell Tower, a 27-story residential building in downtown Hartford. The plaza consists of an underground parking garage and an adjacent commercial building, which currently houses a switching station for Verizon.
Contracting Specialists Incorporated (CSI) was awarded the contract to perform concrete repairs and waterproofing improvements to the plaza and to the roof of the Terrace Building.
The scope of work consisted of removing the existing bituminous concrete topping on the plaza drive surface, removing the concrete sidewalks on the plaza level, and removing the concrete topping on the Terrace Building roof slab. Once the toppings were removed, concrete repairs were made to the structural slabs of each structure, consisting of partial depth and full depth floor spall repairs and crack repairs. Additionally, new drains were added or replaced as needed.
A new hot-applied waterproofing membrane was installed on top of the mechanical room on the plaza level as well as on top of the Terrace Building to protect the expensive equipment inside the Verizon switching station below. New horizontal and vertical expansion joints were installed where required, and new concrete slabs were placed at all locations.
Finally, a new epoxy broadcast overlay was installed to provide additional waterproofing and an aesthetic finish. Inside the underground garage, overhead concrete spalls were repaired and overhead cracks were treated by epoxy injection. Vertical wall spalls and cracks were repaired as needed as well. Lastly, a corrosion inhibitor and new wall coating system was applied to all exterior vertical walls.
