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ARDEN HILLS CITY COUNCIL, SEPTEMBER 11, 2000 23 decision to be made. He suggested that the City Council decide whether or not the streets should . be reconstructed and, if they should be, then concrete curbs and gutters should be added, Mayor Probst called for a recess at 10: 1 0 p,m, The meeting was reconvened at 10: 19 p.m. . . Mayor Probst suggested that the discussion move the issue of street structure since the issues of curb and gutter assumed the entire reconstruction of the roadway, Councilmember Grant requested confirmation that Ingerson Road and Hamline A venue had originally been constructed as County roads, Mr. Brown stated that this was correct Councilmember Grant asked if County road specifications are more or less stringent than the City standards. Mr. Brown stated that County roads are typically built for higher levels of traffic, however, age and time of construction must be taken into consideration since older methods had been used at the time the roads were built Councilmember Grant asked what the under layment is for Ingerson Road, Mr. Brown stated that Ingerson Road had an aggregate base with silt and clay below that He noted that borings had been done on Ingerson Road, some outside the roadway for the purpose of considering rain gardens and widening the roads, He indicated that the Ingerson Road subbase was classified in the range of A-4 to A-6, with A-I being the best rating, The recommendation based on this rating was to install a drainage layer under the rock to allow drainage of the water, which had not been done in the past Councilmember Grant asked how many of the roads in the neighborhood were found to need a reconstruction of the under layment Mr. Brown stated that all streets other than Fernwood Court had been recommended for reconstruction. Councilmember Grant asked what the difference in cost would be for reconstruction, Mr. Brown stated that the primary difference would be the removal and installation of 12-inches of sand, He estimated that the cost for this would be $30 per foot, or an approximate total cost of $220,000, Councilmember Grant rcquested confirmation that approximately 10 to 15% of the total cost would be the reconstruction of the roads, Mr. Brown stated that this was a close approximation, Councilmember Larson expressed support for the reconstruction of all roadways within this neighborhood, with the exception of Fernwood Court, He noted that the City Council had made the decision to take a neighborhood approach with their street improvement projects, He noted that this approach has not been used in the past and that reconstructing streets on a street by street basis is more costly and less comprehensive, He indicated that most other cities use a neighborhood approach which allows the city to take a more comprehensive look at all issues related with the projects, such as drainage and the natural features of an area. He felt that, although some streets may be better than others, it was a worth while trade-off to use the neighborhood approach and to not have to revisit the same neighborhood for 20 to 30 years, Mayor Probst concurred with Councilmember Larson's comments,