01-16-08 Council Special Minutes

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MINUTES CITY COUNCIL JANUARY 16, 2008 70%. In applying the old assessment policy only about 17% of the cost would be assessed. The Administrator noted the statutory requirement that assessments must be at least 20% of project costs. Therefore, the assessment policy was changed eliminating the 50% of the assessment cap provision for reconstructed urban streets. The City Administrator also noted that due to drainage improvements done as part of the Unweave the Weave project, there are now drainage outlets in place for Thunder Bay Road. This makes the reconstruction of that street more feasible given the opportunity to now improve drainage. The Administrator suggested that it may be more equitable to assess the road reconstruction costs on a per unit basis rather than using the odd- shaped lot formula for some of the lots. This would equalize the level of assessments per lot, with the Administrator noting that each property uses the street in relatively the same manner. The City Administrator also noted that contractors are looking for work, and it is felt that the City would obtain a good bid for this improvement work. Blesener asked about the deterioration of Thunder Bay Road and the new construction methods that would produce a longer street life. The City Engineer explained that new consh•uction methods used for areas with poor soils which include thicker subgrade sections as well as the use of fabric. Fabric prevents the contamination of subgrade materials during freeze/thaw cycles. The Engineer noted that part of the reason for these new design standards is that people drive more and vehicle weights are heavier. The Engineer also noted that due to the MN DOT drainage improvements, it will be possible to install drain the in Thunder Bay Road. 'the City Engineer also noted that the City is required by the Watershed to put in rain water gardens along Thunder Bay Road to improve water quality. The Engineer explained the function of the rain water gardens, and indicated that if the project is approved, he would meet with the property owners to determine their interest in having a rain water gardens. These would need to be maintained by the property owners. Allan asked about extending the life of this street beyond 20 years. The City Engineer indicated that a street should not have to be totally reconstructed prior to 20 years and could last even longer. However, in some instances it is necessary to mill and overlay streets. Construction methods have improved, however, bituminous itself has not been improved. 11