Demolition is considered a form of construction. The purpose of demolition is to clear a site for redevelopment, and it often includes the tearing down of buildings and other structures. Demolition is typically carried out by hand or with the use of heavy equipment.

It depends on how you look at it. Demolition would generally be considered the tearing down of a structure, while construction would be considered the building of a structure. However, some people might consider demolition to be a part of the construction process.