All cost associated with the construction of 60th Street adjacent to the site from E. P. True Parkway south to the southern boundary of the subject site shall be paid for by the developer up to and not to exceed the costs of paving thirty one feet (31') of roadway section. A bond in the amount to cover said cost shall be posted, or an acceptable alternative approved by the City, prior to the recording of the final plat for the subject site. (Ord. 970, 6-10-1991)