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to all customers. This section explains the basic rate structure and then shows how that structure <br /> relates to individual customers. <br /> 5.1 The Basic Rate Structure <br /> The service char a formula has three~ouc components, a quantity component, a quality <br /> component, el o ~g~1~;L d~~t, and an administrative component. This means that <br /> the fees can be broken into and attributed to those three components. Most of the <br /> variables needed to calculate the amount of a component are single values that are determined <br /> once for the entire utility. The values falling under this calculate-once category, and the <br /> abbreviations used for each in the rate calculation examples, are: <br /> 1. fiscal year revenue requirements for the quantity component (Revenueq,,,,,ary); <br /> 2. fiscal year revenue requirements for the quality component (Revenueq„~;~,); - <br /> 3 . fiscal ear revenuer uirements for the administrative com onent evenue o <br /> is _gones~, Xcliu reside k ` ~q~?.~~~, and <br /> Re enue ~,~,h <br /> f , <br /> fiscal _year revenue requirement"s for the street-related compo ' ~eenue~tr«,) for two <br /> cusfoiner categories, residential 'and commercial/iiidi stra_ {Revenue5~4e~ anc~ <br /> 4, . the total number of customers in the utility in each of three customer categories,, <br /> small/medium residential (Number.SmalUMeci Cusfgmers, all :residential <br /> 5 ~ ~x , <br /> ~zn6er.ResdentiaLCustomers), and general (Number General;Cusforners); and <br /> the total number of ESUs (ESU,o~'.and the teal nui 1> r E~;;,,, s fpr~ ustomers,m`t11e <br /> commercial/industrial category'(ESU , <br /> .~-:ar.~ .z <br /> w <br /> ,vim conun <br /> The amount of the revenue requirements is generally related to the size of the program. The <br /> larger the annual budget, the more revenue the utility will need to~ collect from its customers <br /> if all other revenue sources remain constant (e.g. Systems Development Charges, assessments, <br /> permit fees). The total number of customers is basically the number of properties in the <br /> Eugene city limits with impervious surface on them. The total number of ESUs is calculated <br /> by adding up all the individual customers' ESUs. <br /> The above frvesix values are calculated once every time a new rate is set which can occur as <br /> frequently as yearly. The only_~eee-ef information that will vary by individual customer is <br /> the customer's rate~category ~iid the number of ESUs belonging to that customer. Supported <br /> with all sixseveri of these values and knowing a cust~u}er's ra e categgry, the utility can <br /> calculate any individual customer's fee. <br /> Stormwater Service Charge: Methodology Paper -Page 4 ' <br /> <br /> Draft Revisions -April 10, 1995 <br /> <br />