10-28-1997 PC MIN - Laserfiche WebLink

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Planning Commission Minutes October 28. 1997 Page 4 . staff report by Steve Ach. Royal Oaks Realty is requesting a preliminary plat to subdivide 40 acres located north of Highway 10 along the Queen A venue alignment, into 59 single family lots. Steve reviewed the concerns and recommendations addressed in the staff report to the Planning Commission dated October 28th, 1997 regarding the Riverplace plat. Steve suggested additional conditions to be added if the Planning Commission decides to approve the preliminary plat. Terry Maurer, City Engineer. indicated his major concern is the 100 yr. (878 ft.) Flood elevation. He explained that with the existing conditions, flooding would not go beyond the river bank. However, when the site is developed with storm sewer and drainage ponds, the property would be opened to flooding beyond the 100 yr. Flood elevation. Terry recommended redesigning the plat so the lowest floor elevation of all homes is at least 1 foot above flood level. He was concerned regarding the impact of the river flooding on the storm sewer system. He recommended increasing the amount of area around the homes required to be above the 100 year flood elevation, and increasing the backyard setbacks from the river. Chair Anderson questioned whether the DNR had any comments on the plat. Steve Ach indicated he has spoken with the DNR and they have no major concerns. He noted the DNR's written comments and necessary permits will be required before final plat approval. Chair Anderson opened the public hearing. . Mike Black, Royal Oaks Realty (developer), reviewed lot sizes, density, and issues addressed by staff. Mr. Black indicated the grading plan has been revised to address the 100 yr. Flood elevations and now reflects 20-30 foot setbacks for the lots near the pond. Lots 13 and 14 now have a minimum of 15 feet outside the house pad area which is 1 foot above the 100 yr. Flood elevation. He explained the reason for creating the flag portion on Lot 13 is for access to the river. Mr. Black explained the proposed park is 1/10 of an acre short of the 2 acres recommended by the Park & Recreation Commission and if they are required to provide the full 2 acres, it would mean the loss of Lot 7 . Mr. Black stated the developers are willing to pay their fair share for the frontage road improvements, but would request to do so at the time the improvements are made. Mr. Black discussed the city's requirements for yard trees, stating he felt it would be simpler to require 1 tree per lot, instead of basing the number of street frontage measurements. Mr. Black asked the Planning Commission to consider allowing the trees to be placed in the boulevard, approximately 10 feet back from the street and only requiring 1 tree per lot. He felt this would cause fewer problems since the gas and electric lines could be placed behind trees. Steve Ach suggested discussing boulevard trees and reduction of the R 1 d front yard setback from 35 feet to 30 feet, at the next Planning Commission workshop. . Commissioner Minton questioned whether the developer felt it would be possible to meet the City Engineer's recommendation of an additional 10' for a setback of 30 feet to the ponding area. Mr. Black stated he did not see a problem. Commissioner Minton also questioned if the developer would be willing to escrow