The subdivider may be required to install improvements for the benefit of the subdivision that may contain supplemental size, capacity, or number for the benefit of property not within the subdivision as a condition precedent to the approval of a subdivision or parcel map, and thereafter to dedicate such improvements to the public. "Supplemental size, capacity, or number" shall mean that size, capacity, or number in excess of the minimum standard city requirements. (Ord. 2017-01 (part), 2017: Ord. 2013-07, 2013)