Section 5-8-6 - Capital improvements planA. A municipality or county shall use qualified professionals to prepare the capital improvements plan and to calculate the impact fee. The capital improvements plan shall follow the infrastructure capital improvement planning guidelines established by the department of finance and administration and shall address the following: (1) a description, as needed to reasonably support the proposed impact fee, which shall be prepared by a qualified professional, of the existing capital improvements within the service area and the costs to upgrade, update, improve, expand or replace the described capital improvements to adequately meet existing needs and usage and stricter safety, efficiency, environmental or regulatory standards; (2) an analysis, which shall be prepared by a qualified professional, of the total capacity, the level of current usage and commitments for usage of capacity of the existing capital improvements; (3) a description, which shall be prepared by a qualified professional, of all or the parts of the capital improvements or facility expansions and their costs necessitated by and attributable to new development in the service area based on the approved land use assumptions; (4) a definitive table establishing the specific level or quantity of use, consumption, generation or discharge of a service unit for each category of capital improvements or facility expansions and an equivalency or conversion table establishing the ratio of a service unit to various types of land uses, including residential, commercial and industrial; (5) the total number of projected service units necessitated by and attributable to new development within the service area based on the approved land use assumptions and calculated in accordance with generally accepted engineering or planning criteria; (6) the projected demand for capital improvements or facility expansions required by new service units accepted over a reasonable period of time, not to exceed ten years; and (7) anticipated sources of funding independent of impact fees. B. The analysis required by Paragraph (2) of Subsection A of this section may be prepared on a system-wide basis within the service area for each major category of capital improvement or facility expansion for the designated service area. C. The governing body of a municipality or county is responsible for supervising the implementation of the capital improvements plan in a timely manner.