The determination of the estimated cost of any proposed extension of a storm or sanitary sewer or sewers shall include all items of materials and labor, including any extraordinary costs occasioned by the opening of pavements, or street surfacing, rock excavation, etc., together with allowances thereon for engineering and general office expense pertaining to the purchase, storage, delivery and installation of all materials and equipment necessary to construct an extension; except that the costs so determined will not include charges occasioned by a sewer larger than would be necessary to meet the customer's estimated normal requirements, but in no case will computations of costs be based on a sewer of less than eight inches inside diameter.
(Ord. 2014-09. Passed 3-4-14.)