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Feasibility Report Page 20 Snelling Avenue North and County Road E - Street and Utility Improvements City Project Number PW 20-0100 DRAFT 5.3 Preliminary Assessment Roll Assessments for street improvement costs are proposed to be levied to benefiting properties as outlined in Minnesota Statute 429 and the City of Arden Hills Assessment Policy. A preliminary assessment map and detailed preliminary assessment roll is provided in Appendix L. Special assessments to benefiting properties along residential streets typically fund 50 percent of the surface improvements, including contingencies and overhead pursuant to Part 1 of the City’s Assessment Policy. The policy states that corner lots shall be assessed on the street that is used for the mailing address. This provision is interpreted to limit assessments for street improvements to the street segment abutting the mailing address frontage of the property. This is an important provision given that only 24 properties are addressed on Snelling Avenue North between County Road E and Highway 51. All other properties have mailing addresses from adjacent side. Given the non-standard lot configuration and limited number of eligible properties along the Snelling Avenue corridor based on mailing addresses, assessments for Area 1 street improvements on Snelling Avenue were calculated by dividing 50 percent of street costs (under Alternate 2, no trail) by the total length of roadway improvement frontage to determine a cost per foot. This unit cost per foot was then multiplied by the minimum lot frontage for R1 zoned properties at 95 feet to arrive at a residential equivalent unit (REU) assessment rate. Part 1 of the City’s Assessment Policy further states that the assessable cost of an improvement shall be defined as those costs that, in the opinion of the City Council, are attributable to the need for service in the area served by the improvement. The potential trail construction described in Alternate 1 and the proposed roundabout intersection construction within Area 2 are considered regional improvements that serve numerous properties outside of the project area and regional traffic traveling through the project corridor. Therefore, the costs for these improvements are not included in the estimated REU rate. The preliminary assessment rates for the parcels adjacent to the Area 2 intersection improvements are calculated based on Area 1 standard street improvements as described above. Estimated assessment rates are provided below. Street Improvements: Area 1 - Snelling Avenue, County Road E to Highway 51 Estimated Street Costs: ......................................................... $782,930 50% Estimated Street Costs: ................................................. $391,465 Total Street Length Frontage: .............................................. 8,220 feet 50% Cost per Foot: ................................................................... $47.62 R1 Zoned Minimum Frontage Width: ...................................... 95 feet Assessment Rate: ...................................................................... $4,524