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Boa 42 PAGE.253 <br />DEC 111979 <br />plant with an effluent weir box and an oxidation pond. <br />The existing water treatment facilities in service during <br />1978 were upgraded. This expansion consisted of going <br />from the former facilities of: two wells, two softeners, <br />a hydropneumatic tank, and chlorination facilities with <br />a capacity of .14MGD to: one new well, redevelopment of <br />the two existing wells, two new zeolite softeners with <br />increased capacity and fully automated controls, a <br />250,000 ground storage tank, three new high service pumps, <br />a new automated 50KW diesel powered generator for <br />emergency or stand-by electrical power, and new chlorin- <br />ation facilities which increased the capacity to .36MGD. <br />3. (Q.) Based upon these two exhibits, what was the capacity of <br />the system to serve water and sewer customers during the <br />test year? <br />(A.) The sewage system was increased from a capacity of 70,000 <br />gallons per day to 250,000 gallons per day, or increased <br />by more than 3 times:thle previous capacity. The water <br />treatment facilities were increased from 140,000 gallons <br />per day to 360,000 gallons per day or increased by more <br />than 22 times the previous capacity. <br />r� <br />7. (Q.) Mr. Vaughn, did you participate in.preparing the <br />used and useful analysis in the case? what is a <br />used and useful analysis or calculation? How does <br />it affect rates? <br />(A.) A used and useful analysis is conducted to determine <br />that portion of plant that is used in rendering - <br />service to the customers. That is to say that the <br />used and useful analysis analyzes total utility <br />plant, and determines that portion of plant that is <br />currently being used in providing service to the <br />customers and that portion of plant that will be <br />" used in providing service to future customers. <br />J - <br />