El ingeniero restaurador y los edificios de Nueva York

New York City gathers one the highest concentrations of historic buildings built between 1860 to 1940 in the world, being one of the hubs for the modem architecture heritage. These buildings, some of them among the tallest, were built with design systems, materials and construction techniques which are no longer in use. The role of the preservation engineer combines the knowledge of the historic structures and buildings with the modem techniques of structural analysis and design.  With the goal to maintain, adapt, and restore in the most respectful and efficient way the buildings which shapes the soul of New York City. This article aims to present the work of the preservation  engineer  with an introduction of the typology of the historic buildings most often found in the city, as well as exposing a brief  regarding  the  restoration  projects,  the professionals, the goals, the funding, etc. Lastly two case studies ate exposed