For the purpose of this subchapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
ANNUAL FLOW. The total amount of waste treated by the treatment plant during the preceding year.
ANNUAL REVENUES REQUIRED. The total amount of revenues necessary to operate the sewage works in an efficient and economical manner and meet all known or anticipated expenditures including, but not limited to, operation and maintenance expenses, debt service, replacement, and depreciation.
DEBT SERVICE. The total principal of and interest on the outstanding revenue bonds of the sewage works due and payable within the next 12 calendar months.
DEPRECIATION. An annual operating cost reflecting capital consumption and obsolescence (reduction of future service potential) of the sewage works.
OPERATION AND MAINTENANCE EXPENSES. All ordinary and necessary expenses incurred in the normal operation of the sewage works including, but not limited to:
(1) Salaries and wages;
(2) Electrical power;
(3) Chemicals;
(4) Supplies;
(5) Minor repairs;
(6) Insurance; and
(7) Taxes.
SERVICE LIFE. The estimated useful life of the sewage works. For purposes of determining depreciation, the town adopts the following SERVICE LIVES for components of its sewage works:
(1) Structures (includes buildings, sewers, lift stations): 50 years;
(2) Process equipment (includes major process equipment such as clarifier mechanism and vacuum filters, steel process tankage and chemical storage facilities, and electrical generating facilities on standby service only): 30 years; and
(3) Auxiliary equipment (includes instruments and control facilities, sewage pumps and electric motors, mechanical equipment such as compressors, aeration systems, centrifuges, chlorinators, and electrical generating facilities on regular service): 15 years.
SUSPENDED SOLIDS. Solids that either float on the surface of, or are in suspension in water, sewage, or other liquids, and which are removable by laboratory filtering.
USER CHARGE. The charge applied uniformly to all users of the sewage works, to cover operation and maintenance expenses and depreciation, based on the quantity of sewage produced as measured by the water meter.
(Prior Code, § 9-25) (Ord. 1984-4, passed 12-27-1984)