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treatment plant is used and useful in providing service to all customers receiving treated water service, the same does not hold true for all of the treated water distribution system. Campbell Soup and Direct Energy currently receive treated water directly from ground storage via transmission lines, not directly from the City's distribution lines. LCWSD receives the bulk of their water purchases through the City's transmission lines. In the absence of detailed distribution system analysis during peak hour flow conditions, the treated watertrarismission and distribution lines have been segregated by inch-feet into three groups -line.sless than 8 inches in diameter, lines between 8 inches and 24 inches in diameter, and lines/greater than 24 inches in diameter - for cost allocation purposes between the classes of treated water customers.. . Table A- 2 in Appendix A shows the percentages of inch-feet offl'eated water transmission and distribution lines separated into the three pipe size groups. D. Treated Water Loss Allocation No treated water loss has been prorated to water received by Carripbell SOllP' Direct Energy, and LCWSD water consumption contractuaJJyCategorized as "plant wat~r". due to the location of their point of take from the City's trarlsinissipn system.iTa.ple A-3 iri Appendix A shows treated water allocation percentages to the City's retail customers, C[l]:}1pbell Soup, LCWSD and Direct Energy, including treated \Ya.~~rJ()sses allocatedJo the retail customers of the City and LCWSD water consumption taken through the City's distribHtion system. E. Treated Water Use and Capacity Requirements of Customer Classes To distributeful1ctionalized system component costs to customer classes - Residential class, ComITl,~l'cial class, Camppell Soup, LCWSD and Direct Energy, assumptions had to be made as to peak-day demands of Residential and Commercial classes of customers since peak-day metered demands are not/available for the Residential and Commercial classes. Campbell Soup's, DirectEnergy's,LCWSD's average day and peak day demands were based on actual metered data for FY 2006. Table A-I in Appendix A shows the individual customer classes' average and peak-day demands. The table also shows the capacity factors for the classes as well as their relative percentages of base and extra capacity components of the system used and useful in providing service to the five customer classes during the test year. City afParis, Texas Water and Wastewater Cost a/Service Study June 2007 9 ,.....-,.