The following verbiage is from The Declaration of Covenants, Conditions and Restrictions of Merrimac, which was filed and recorded with the Hamilton County Recorder's Office.
Section 3.6 Sidewalks. Sidewalks no less than four (4) feet in width shall be constructed across that portion of each Lot which is considered to be the front, and the installation and maintenance of said sidewalk shall be the responsibility of each individual Lot Owner. These sidewalks shall be fully completed and available for use not later than the date of initial occupancy of such Residence.