(a) Loitering. Idling or lounging in or about any place or facility described in (2), so as to prevent others from passage, ingress or egress, or to idle or lounge in or about any place or facility described in (2) in violation of any existing statutes or ordinances.
(b) Private Property Used to Accommodate the Public. Any building, structure, equipment or other thing, including the land upon which it is situate, abutting premises that are used incidentally for the accommodation of the public, including the sidewalks and streets adjacent thereto.
(2) Prohibited Conduct. No person shall loiter in, on or about any underground platform or concourse, or any elevated platform serving public transportation facilities, or any underground or elevated passageway used by the public, or any railroad or railway passenger station or platform, or on the steps leading to any of them. No person shall loiter in, on or about private property used to accommodate the public.
(3) Duties of Persons Controlling Private Property Used to Accommodate the Public. The owner, lessee, manager or other person in control of any real estate which is used to accommodate the public shall ask any person violating this Section to voluntarily correct the violation and if the violator neglects or refuses to correct his violation shall make a report immediately to the Police Department and cooperate with the police in removing any violator from the private property used to accommodate the public.
(4) This Section shall not apply to any picketing or other incidental activities of a labor union in a labor dispute governed by:
(a) The Pennsylvania Labor Relations Act of 1937 as amended.
(b) The Labor Anti-Injunction Act of 1937 as amended.
(c) The Public Employees Relations Act (1970).
(d) The Labor Management Relations Act of 1947 as amended.