In 1979 a youthful girl called Grace was walking by when a mass of the building dropped on her becoming the reason for her death. Following this in 1980, the New York City department of the building (DOB) declared that the sidewalk is essential for any kind of construction or development work where there is a looming uncertainty of falling wrecks on walking people. Sidewalk sheds are temporary formations built to shield the walkers from dropping facade from the building that is going under development. The sidewalk shed manhattan is built up of wood boards or planks and steel pipes or tubes and it is required wherever the development or construction work is going on. Sidewalk shed was declared obligatory by the new york city department of the building during 1980. The sidewalk shed needs to be fixed when the construction takes place at 40 feet above the ground or if the demolition work takes place at 25 feet above the ground this is the height criteria of the sidewalk sheds. The sidewalk shed is a short time structure therefore it is a requirement for the estate owner to get the sidewalk shed removed from the area once the construction is finished. Sidewalk shed NYC’s total life span is 300 days and has two types. Heavy load sidewalk shed and light load sidewalk shed.
Heavy Load Sidewalk Shed
The heavy load sidewalk shed is the sidewalk shed that is established if there is development or construction taking place on a large scale. At that development site, the volume of wreckage is much higher than the development going on at a low scale. For there are some rules established by the officials of New York City and that is if the sidewalk shed is heavy load the sidewalk shed needs to be created in a way such that the heavy load sidewalk sheds have the capacity to carry a live load of at least 300 pounds (1464.6 kg/m). The heavy load sidewalk shed is placed when the development takes place at 100 feet (30 480 mm) above the ground level.
Light Load Sidewalk Shed
Light load sidewalk shed is established when there is construction or development work going on at a low scale. In this kind of development, the volume of the crumbling facade is significantly less than heavy load or huge scale construction. For the light load, the sidewalk shed is easy to fit and its span is more limited than the heavy load sidewalk shed. The light load sidewalk shed is established when there is construction taking place at less than 100 (30 480 mm) feet above the ground. This sidewalk sheds NYC must have the sustainability to carry the live load of 150 pounds (732.3 kg/m2).