Notice is hereby given to all persons occupying or owning any property within the City of Oak Park that pursuant to Chapter 18, Article VIII as amended of the City Code of Ordinances.  It shall be the duty of such owners or occupants to keep grass and weeds below a height of eight (8) inches on improved properties and all grass and weeds below a height of sixteen (16) inches on unimproved properties. All such properties shall include the abutting street right-of-way laying between the curb and sidewalk or the drainage course paralleling the street where there is no curb abutting such properties. If the provisions of this ordinance are not complied with, the City shall cause such weeds and grass to be cut or destroyed.  The actual cost of such cutting or destruction, plus fifteen (15%) percent for inspection and/or other additional costs in connection therewith, shall be charged to the property owner and if necessary, collected as a special assessment against said property.