Tennessee Code Title 7. Consolidated Governments and Local Governmental Functions and Entities § 7-31-113

(a) Municipalities have the power to provide in any contract made by them for paving any street, highway, alley, park, or public square, that the contractor shall guarantee to maintain and repair the street, highway, alley, park, or public square, for such time as the governing body or board of the municipality shall deem proper, the expense of which shall be included in the assessment for the construction, and no special or improvement assessment shall be affected or invalidated on account of the guaranty.

(b) The municipalities have the authority to provide the manner and time of payment for the guaranty of maintenance or repairs.