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4 <br /> <br />e. Sanitary Sewer and Water Mains. Repair and replacement of sewer or <br />water mains is usually done in conjunction with a street reconstruction project and <br />the cost of this work should be included as part of the total major street project <br />cost and should also be considered to be included in the rate assessed for street <br />reconstruction. If it is determined that the repair and replacement work results in <br />a greater benefit to some properties and not to others, the Council should consider <br />establishing a different assessment rate based on the benefits received. <br /> <br />f. Sanitary Sewer and Water Trunk Improvements. Trunk sewer and water <br />mains are usually designed to carry larger volumes of flow than are necessary <br />within an immediate property area in order to serve additional properties beyond <br />the area of their immediate placement. Therefore, 100 percent (100%) of the cost <br />of trunk improvements will be assessed on a unit basis to all properties within a <br />district deemed to be benefitted from the trunk improvements. <br /> <br />g. Sewer and Water Services. Individual sewer and water services benefit <br />only the properties they serve and 100 percent (100%) of their cost shall be <br />assessed to the property for which they are installed. <br /> h. Drainage Improvements. Storm drainage and ponding/basin systems are usually constructed to serve a specific drainage or "watershed" district. These drainage districts have trunk lines, which are large diameter pipes that transport large volumes of water from one or more drainage districts. Property within drainage districts that would receive benefit from a trunk storm sewer, would be assessed a unit amount of $400.00 per lot for a single family residential lot. This amount would be determined and adjusted annually by resolution using the Engineering News Record (ENR). Multifamily housing lots that exceed 1/3 acre would be assessed based on the number of acres, multiplied by the unit cost of $1,200.00 per acre. Commercial / Industrial property would be assessed based on the number of acres that are determined to benefit from the trunk line multiplied by the unit cost of $1,200.00 per acre to a maximum amount of three (3) acres or $3,600.00. The remaining cost will be paid for by the Surface Water Utility and/or by an ad valorem property tax paid by the entire community or by other funds that may become available to the City for infrastructure cost recovery. Should a project be initiated on a particular street that requires storm sewer laterals which would be connected to the trunk lines, the Surface Water Utility would fund these expenses.