1988-06-28 - Laserfiche WebLink

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Council Meeting Minutes June 28, 1988 Page 8 I Les Proper, City Engineer reported elevation studies had been done and the lowest basement elevation of the homes proposed was 1.25 feet above the 100 year flood elevation. Mr. Johnson added the existing ponding areas should not change in that they only serve as detention areas. Park Director, Maurie Anderson indicated he felt comfortable with the proposed use of the ponds in the park area. In response to concern by Councilmember Williams on the length of time for the detention pond to empty after a heavy rainfall, Mr. Johnson advi- sed he felt that after a technically described 25-year storm it should empty in 4-5 hours. Councilmember Larson advised the Planning Commission had concern with the traffic study; and they did want Harstad Company to look at the details of the study done by the Ramsey County Traffic Engineer. Also to be addressed would be the parking provisions for the park. Mayor Benke noted the City Council had requested the Palmer Drivel Innsbruck Road intersection be studied. 1 Parvez Riazi, 2882 - 12th St. NW, expressed concern about the area of ponding being sufficient, noting some parts of the areas had been filled. He further noted he had lived on 12th Street for over five years, and had watched water levels in the ponds. He questioned when the data used had been obtained. He also informed the Council that the water in the ponds can take up to five weeks to disappear after a heavy rainfall. Mr. Johnson responded that based on the City's Comprehensive Storm Drainage Plan, the water going into ponds should not increase because they are proposing to capture the water and run it to the east, thus reducing the stor- age needs of the ponds. Mr. Riazi also questioned the decrease in size of the westerly pond. Mr. Johnson admitted the pond was not as big as it had been, but design calculations take this into con- sideration. With regard to traffic generated by the proposed development, the Traffic Engineer for Harstad Company, Jim Benshoof, advised the reports indicate the apartment units will generate approximately 50% to 60% of that of a single family home, however, they have used the single family rate which is higher. He further noted there will be more traffic, but there should not be an increase in the level of service. I Councilmember Larson advised the Planning Commission was concerned with the total number of trips, and are requesting that a compari- son be made between the Harstad figures and those of the Ramsey County Traffic Engineer. Mayor Benke noted the projections are based on Land Use Plans for the entire area, and if the rezoning is approved, the higher density would have to be addressed; and also questioned the service level figures in both reports. Les Proper, City Engineer, indicated the service levels to be a prob- lem at all intersections along Silver Lake Road now and in the Year-2000.