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\ !# Chargesi was not used. la Its place lives corresponding to those employed in the calculations on the Water Utility were followed# These on the Original dost base yielded an average depreciated rate of approximately 1#79$, or an equivalent average life of about 56 years• For the Water Utility with a somewhat different composition of plant facilities, the average life la not greatly different, namely 52 years# This results in an average depreciation rate of about 1#@2$# On the books, the composite life Is about 64 years, and for a property that has had such extensive additions during the last few years, end with a dollar age of about 6 years, an expectancy of 45 years or more la viewed as sufficiently optimistic at this time in discounting the future# For further detail and discussion, please refer to the VA' j ^ > J”" Appendix and to Tables <H~ft w CST on depreciation. Customer Advances in Aid of Construct Ian; The Water Utility makes main extensions to new customers and to new subdivisions in accordance with a definite policy ae provided in its rules and regulations (Buies 9 and 9k), which have been approved by the Public Service Commission# In substance, the Water Company makes free extensions when such do not exceed 50 feet, exclusive of the service pipe# Beyond such distance, applicant for service must advance the estlimited cost of the extension# The monies so advanced are refunded at the rate of 50$ of the monthly water bill over a period of 10 years# If not fully repaid within the 10-year period, the remaining balance becomes a donation to the Water Company, The Water Utility at all times has legal title to the extension and must operate, maintain and replace such extension at Company cost §