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70 <br />WATER RATE STUDY I City of Santa Ana, CA <br />Table A - 5: Water Pipe Replacement Sizes and Costs <br />2 <br />$282.72 <br />18 <br />$435.57 <br />4 <br />$301.82 <br />20 <br />$454.68 <br />6 <br />$320.93 <br />24 <br />$492.89 <br />8 <br />$340.04 <br />30 <br />$550.21 <br />10 <br />$359.14 <br />36 <br />$607.53 <br />12 <br />$378.25 <br />48 <br />$722.17 <br />14 <br />$397.36 <br />54 <br />$779.49 <br />16 <br />$416.46 <br />78 <br />$1,008.77 <br />Non - System- Specific Assets <br />Black & Veatch developed several asset classes to group like assets within the asset inventory that are <br />associated with multiple infrastructure systems. Table A - 6 through A -8 present the expected useful <br />lives and replacement costs for these non - system specific asset classes. All costs are in 2012 dollars. We <br />note that the assets listed in the tables below assume "like" replacements. <br />Table A - 6: Non System - Specific Expected Useful Lives <br />GENF Water, Sewer Fixed generators w/Transfer Switch 60 <br />GENPLG Water, Sewer Gen Set Plug and Transfer Switch for Portable Generator 20 <br />Table A - 7: Generator Replacement Costs — 2012 dollars <br />1 100 $63,000 <br />Generator - Fixed 101 200 $112,600 <br />201 400 $250,000 <br />M LI M • <br />NOVEMBER 2014 <br />