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<br />City of ~ City <br />Sewer Rate Study <br /> <br />Exhibit A <br />2 <br /> <br />. The relationship between fixed costs and fixed charges. <br />. Alternative sewer rate structures that achieve the rate-making objectives through <br />incentives, rather than penalties, wherever possible. <br />. Any conditions in John Whitcomb's sewer rate software that would affect potential <br />rate alternatives. <br />. Any limitations in the City's utility billing system that would affect the potential <br />rate alternatives. <br />. Potential relationships between rates and fees for administrative and field services, <br />as well as fines for unauthorized actions. <br />. The classification of nonresidential sewer customers. <br />. The strength concentrations for each of the sewer customer classes. <br />. The linkages and parallelism between water and sewer rates. <br />. The types of reserves and the adequacy of funding levels. <br />. Potential improvements in the format of the utility bill. <br />. The features of the models that will be desirable. <br />. The transition from the current sewer and storm water rates to the recommended <br />rates. <br /> <br />At the conclusion of this task, the consulting team will have a clear understanding of <br />the alternative rate structures that will be modeled for possible implementation. In <br />order to do this, we will coordinate closely with John Whitcomb so that the <br />alternatives that are evaluated can be modeled by his rate software. By knowing <br />which alternatives will be modeled, cost allocations can be made accordingly. <br /> <br />Task 2. Develop Business Plan and Sewer Rate Model <br /> <br />The 10-year Business Plan will be developed by expanding the existing 5-year Business <br />Plan with the City's input to assure that it meets the City's needs. We are anticipating <br />that the model will need to perform the following functions: <br /> <br />. Estimate separate and combined revenue requirements for the Sewer and <br />Stormwater Funds for the 10-year planning period. <br />. Estimate wastewater discharges by customer class, reflecting the City's and SBSA's <br />growth projections. These estimates will conform to state and federal guidelines <br />wherever possible. <br />. Allocate the revenue requirements to each customer class based on appropriate <br />measures of use (e.g., flow, BOD, TSS, and EDUs). The loading characteristics that <br />we assume for each customer class will be reconciled as closely as possible with the <br />SBSA's plant data. <br /> <br />The Business Plan will have lO-year revenue requirement projections that will be used <br />for setting sewer rates for FY 1999-00. The revenue requirements for FY 1999-00 will <br />serve as the basis for detailed cost of service analyses, which will determine each <br />customer class' share of the overall revenue requirements. We will coordinate closely <br />with SBSA staff to assure that the projections for treatment costs and all assumptions <br />regarding loadings are consistent with SBSA's Revenue Program. <br /> <br />The revenue requirements for each customer class will then be fed into John <br />Whitcomb's rate software to calculate rates. We recognize that it is essential for the <br /> <br />Hilton Farnkopf & Hobson, LLC <br /> <br />1/27/99 <br />