It's basically a standard for the operation of the building. Of course, if you design a new building, you can design it in such a way that you have the right recycling and diversion facilities in place. With existing buildings, you need to put containers in for collection and so on.
It's really about the operation of a building. It could be a manufacturing facility, an office building, a food processing facility, or it could be army housing on an army base. It's an operational standard that makes sure 90% or more of the waste is diverted from disposal.