(a) The tree warden may remove or cause to be removed from the public ways or places any trees that are infested with or infected by a tree pest or that constitute a public hazard. The notice and hearing requirements of section 2509 of this chapter shall not apply to the removal of infested or infected trees.
(b) The tree warden may determine that an owner or lessee of abutting property has sufficiently controlled all insect pests or tree diseases upon the trees within the limits of a public way or place abutting the property and may determine that it is not necessary to remove the trees.