2 Broadway in New York City is a high-rise office tower that opened in 1959 and was renovated in 1999. As part of the renovation, a new glass curtain wall with stainless steel mullions was installed replacing operable windows.
The original window cleaning method was completed by two window cleaners using a portable scaffold supported by a roof davit system. Due to the various setbacks on the building, the cleaning of the entire building was difficult and resulted in excessive wear and tear on the scaffold resulting in downtime and extended cleaning cycles.
Cleaning contractor PBM decided to try an alternative window cleaning method using a self contained, remote control window washing machine built by Sky Pro Window Cleaning Systems. “We were able to clean areas of the façade which previously had been unreachable,