Agenda - Council Work Session - 11/18/2014

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Page 17 Special Assessments Policy one unit would be assessed actively and one unit would be deferred. In multi- family and commercial/industrial areas, the storm sewer trunk assessment is based upon the estimated sewer usage relative to a single family unit. The calculation of units is to be based on the same method used for Water Trunk, Source and Storage Fee outlined under Section IV, Subsection E. C. Determining Storm Sewer Assessment Improvement Rates on Redevelopment Proiects in Existing Development Areas 1. Storm Sewer Lateral The storm sewer lateral cost to be assessed to residential properties, including single family, duplexes, and triplexes is determined on a unit basis at 50 percent of the actual project cost, or appraised value, whichever is lower. Parks, water towers, wells and lift stations pay at the same rate on a unit basis as residential properties. The number of units for a park is derived by taking the area of the benefiting park divided by typical residential lot size (14,434 sf.) The area of the park is to be derived by taking the length of all streets within the project abutting the property and multiplying by the depth of 165 feet. Park assessments would continue to be paid as part of the general levy taxes over the life of the assessment. The storm sewer lateral to be assessed to multi -family (above 3 units) to be assessed on a unit basis for 100 percent of residential street and utility reconstruction costs, or increase in value, whichever is lower. The number of units to be assessed for benefiting multi -family properties would be derived by taking the area of the multi -family parcel and dividing it by the typical residential lot size (14,434 sf.) The area of the lot is to be derived by taking the length of all streets abutting the benefiting property and multiplying by the depth of 165 feet. Commercial/industrial properties to be assessed for 100 percent of actual construction costs on unit basis, or increase in value, whichever is lower. The number of units to be assessed for commercial/industrial properties would be derived in the same manner as multi -family. Churches, libraries and City Hall and schools would pay at the commercial rate. 2. Storm Sewer Trunk Storm sewer trunk is determined by taking the total storm sewer trunk project costs with overhead in the district or sub -district set up, and dividing by the number of units (each lot is equal to one unit). If the lot can be split, one unit would be assessed actively and one unit would be deferred. In multi -family