Public agencies are typically responsible for infrastructure maintenance in New York City, but are usually constrained to award restoration construction contracts to the lowest responsible bidder. Construction documents must be correct, clear, complete, and concise, minimizing change orders and delays. Because change orders on SUPERSTRUCTURES projects average below 5% (and sometimes 0%), we’ve become a favorite of numerous public agencies with a facilities portfolio.
The city has a varied collection of building exteriors subject to visible, dramatic deterioration. Less prominent, but vitally important, are components of the city’s infrastructure—retaining walls, foundation walls, utility tunnels, bridge abutments, and accessory buildings to bridges and tunnels, like ventilator shafts and vaults. Our infrastructure is subject to the same environmental degradation as our more visible facades.
We often say that water is the enemy of the building envelope. The preferred fix involves arresting unwelcome water at its source. But for an event like Superstorm Sandy, where the source of unwelcome water was the Atlantic Ocean, control at the source was impossible. The earliest point at which floodwaters can realistically be controlled is at, or just outside of, the building line. For this purpose, we have expertise in the design of a wide variety of flood mitigation barriers, doors, and gates, both time honored and newly developed.