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Step One - Calculate the percentage increase or decrease in Service, Fuel, and Disposal <br />component indices listed in Section 6.4.2. The increase or decrease in the Service and <br />Fuel component indices will be for the change in the average annual published indices <br />for the twelve (12) month period ending December prior to the July 1 when the rate <br />change will take effect. <br />The Disposal component will be based on the actual percentage change in the waste <br />disposal agreement per ton gate rate at the Orange County Landfill System as of July 1 <br />of each Rate Period. <br />Step Two - The first rate adjustment cost components as a percentage of total costs are <br />provided in Section 6.4.2 above, with subsequent components calculated in Step Four of <br />the rate adjustment. For Step Two of each subsequent rate adjustment, use the cost <br />components recalculated in Step Four during the previous rate adjustment. <br />Multiply the percentage changes for each rate adjustment component by that <br />component's weighting and add these resulting percentages together to get the total <br />weighted change to the rates. <br />Step Three - Multiply the total weighted percent change from Step Two by the existing <br />maximum Curbside Services rates and Bin Services rates to determine the increase or <br />decrease in maximum rates. Then add (subtract) the changes in rates to (from) the <br />existing maximum rates to determine the new maximum rates. <br />Step Four - Recalculate weightings for the following year based on these changes. <br />6.4.4 Rate Adjustment for Permanent Roll -Off Box <br />This Section shall apply exclusively to the adjustment of Roll -off Box rates that are <br />billed as "pull plus dump' and consist of a pull rate, or service component, plus a <br />tonnage cost. See Exhibit 3 for example rate adjustment procedures. <br />Service or "Pull" Component <br />Step One - Calculate the percentage increase or decrease in the Service and Fuel <br />components for "Pull Fee Per Load - All Types and Sizes" listed in Section 6.4.2. The <br />increase or decrease in the rate adjustment indices for Service and Fuel components will <br />be for the change in the average annual published indices for the twelve (12) month <br />period ending December prior to the July 1 when the rate change will take effect. <br />March 9, 2020 93 City of Santa Ana - DRAFT <br />60A-182 <br />