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C €ty ofSaPita Atta, CAI SANITARY SEWER AND WATER FINANCIAL PLAN <br />defined by those assets having a similar function, cost structure, <br />and useful lives and refurbishment Intervals, <br />33 Incorporate into the Asset Class Library the useful lives, <br />rehabilitation program definitions, intervals and costs, and <br />replacement schedules and costs for each asset class based on <br />Industry standards. <br />Define Useful lives: For each defined asset class a <br />determination as to expected useful life will be made. The useful <br />life Is defined as the number of years of normal use that can be <br />expected prior to replacement becoming necessary, The <br />estimate will be based on our industry experience, <br />manufacturers' estimates, previous literature research, and our <br />work for other agencies, These estimates are contained within <br />our CAMPS Library, <br />M Define rehabilitation programs, intervals <br />and costs: Most asset classes require various <br />capital rehabilitations on a cyclic basis in <br />order to sustain or extend the asset's useful <br />lives. Pump stations, for example, can be <br />expected to undergo pump rehabilitation, <br />motor overhaul, replacement of electric <br />components, and mechanical overhaul at <br />intervals shorter than the cycle for the <br />replacement of the assets themselves. Where <br />such programs are applicable, we will define <br />appropriate rehabilitation intervals and costs <br />that might be considered capital expenditures. <br />ra Define replacement intervals and costs: For each asset class <br />an estimate of the base -year replacement cost will be <br />incorporated. The estimates will be based on the experience of <br />our engineers, construction cost estimates we have rocently <br />prepared for other clients, industry standards, and our <br />experience with other agencies, For unique assets, we will <br />adjust historical costs to the base year using Engineering News <br />and Report (ENR) indices. <br />s� Where possible, replacement costs, like other asset <br />attributes, will be defined in terms of unit costs to facilitate the <br />class -based estimating approach (dollars per foot ofvarious <br />types of pipe, dollars per gallon for storage facilities, dollars per <br />square foot for buildings of various classes, etc,), <br />IN Facilitate an Asset Class Validation Workshop; Each of these <br />components of the asset class will be presented in detail within <br />BLACK & VEATCH € Met)106)10gy <br />25C -10 <br />