Children play in the concrete courtyard behind the marble-floored lobby.
The doorman whistles for cabs. But if, come Friday, the investment bankers, lawyers and other upper-crust professionals who call the building's 44 spacious apartments home are suddenly obliged to take out their own trash, they won't be caught unawares. The courtyard will be closed, because there will be no one to supervise it. Remodeling and painting projects will have to be postponed. With the help of the building's management company, Insignia Residential Group, special identification cards have been issued, and security guards have been hired to check them.