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INDIAN RIVER COUNTY, FLORIDA <br />NOTES TO FINANCIAL STATEMENTS - CONTINUED <br />Year Ended September 30, 1988 <br />I. Summary of Significant Accounting Policies - Continued: <br />I. Property, Plant and Eguipment - Continued <br />The Board holds legal title for the general fixed assets used in the <br />operations of the Board, Property Appraiser, Tax Collector, Supervisor of <br />Elections, and Clerk of the Circuit Court and is accountable for them <br />under Florida law. <br />The Sheriff is accountable for and thus maintains general fixed asset <br />records pertaining only to equipment used in his operations. These assets <br />have been combined with the Board's general fixed assets in the General <br />Fixed Assets Account Group. <br />(2) Property, plant and equipment of the Proprietary Fund types are recorded <br />at cost. Donated property, plant and equipment are capitalized at their <br />fair market value at the time received. Depreciation is provided using <br />the straight-line method over the estimated useful lives of the various <br />classes of depreciable assets. The estimated useful lives of the various <br />classes of depreciable assets are as follows: <br />Assets Years <br />Building and improvements 25 - 40 <br />Machinery and equipment 3 - 10 <br />Utility distribution systems 25 - 50 <br />J. Capitalization of Interest - Interest costs related to bond issues are capital- <br />ized during the construction period. These costs are netted against applicable <br />interest earnings on construction fund investments. During the current period, <br />the Solid Waste Disposal District and Water and Sewer System Enterprise Funds <br />incurred interest expense during the construction period totaling $645,493 <br />Related interest earnings on construction fund investments totaled $459,962 for <br />net capitalized interest of $185,531. <br />K. Unamortized Bond Costs - Bond issue costs and legal fees associated with the <br />issuance of revenue bonds are amortized over the life of the bonds using the <br />straight-line method of accounting. <br />L. Unamortized Bond Discount - Bond discount associated with the issuance of <br />Proprietary Fund revenue bonds are amortized according to the interest method, <br />which results in a constant rate of interest being applied to the amount out- <br />standing at any given time. For financial reporting, unamortized bond discount <br />is netted against applicable long-term debt. <br />M. Intangible Assets - Land use rights purchased by the Water and Sewer System Fund <br />from the Golf Course Fund for irrigating the golf course with treated effluent <br />are being amortized using the straight-line method over the estimated useful <br />life of 20 years. <br />19. <br />