New York City
Description: Facade Cleaning Project
Types of work: Stone cleaning
Nicholson & Galloway was hired in the summer
of 2000 to perform a two year exterior cleaning of the Federal
Reserve Bank of New York.
in lower Manhattan and built in 1924, this massive stone
edifice was constructed with a mixture of limestone and
sandstone blocks. There are over three hundred thousand
square feet of exterior stone on this building.
cleaning program was complicated by the mixture of limestone
and sandstone on the building. Limestone can be cleaned
methods alone, however, sandstone requires chemical or abrasive
cleaning methods. For this reason, Nicholson & Galloway
used a custom cleaning program of water-misting, micro-abrasive
blasting and limited chemical application. When performed
together these three procedures resulted in a beautifully
accommodate the customer's aggressive five month schedule,
Nicholson & Galloway performed the work from seven swing-stage
scaffolds and two man-lifts during day, night and weekend
always, all work was supervised and performed by Nicholson
& Galloway's own personnel.