It shall be the responsibility of owners, tenants and occupants of property to discover the existence of dead or dangerous trees located on such property. Any owner, tenant or occupant of property in the town on which property there is a tree which appears to be dead, is liable to fall, is dangerous or is an obstruction to public travel shall report in writing the existence of such hazard to the superintendent of streets and shall, within ten days after observation thereof, at his own expense, cut down and remove such tree. (Ord. 329 § 7 (part), 1974; Ord. 297 § 1, 1970)