Agenda - Public Works Committee - 09/19/2000

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P.W. CASE #: UPDATE ON DYSPROSIUM STREET N.W. By: Steve Jankowski, City Engineer Background: At the August 14, 2000 Public Works Committee meeting the Dysprosium Street N.W. speed humps were discussed. The Public Works Committee recommended, and City Council agreed to two courses of action. First, staff was directed to contact MnDot to request a meeting on site to view and discuss the removal of the speed humps. MnDot has agreed to meet with citizens and council, a tentative meeting date of Tuesday, September 26, 2000 has been set. Staff will send out notifications to the residents along Dysprosium Street N.W. Secondly, staff was requested to prepare a rough estimate of the cost of constructing a new streetscape along Dysprosium Street N.W. that would provide a more pedestrian friendly environment. In response to this directive, staff would report the following: The pavement could be narrowed as illustrated in the attached sketch for one half of the 2,600 feet distance between County Road #116 and 143rd Avenue N.W. The pavement would be reduced from its current 48 foot wide to 28 feet at the narrowed sections. Fill would be placed behind the narrowed curb line and these areas would be sodded. The entire length of this street segment would receive a bituminous overlay and be restripped. It is estimated that the above could be done, at a cost of $116,000, which includes 25% project overhead for design and construction inspection. It should be pointed out that this section of street is currently in need of a bituminous overlay, which is estimated to cost $57,0O0. Landscaping could be added to the above basic project cost for $13,000. This landscaping would consist of placing 65 two-inch diameter trees along this one-half mile segment of roadway. These trees would be placed on the narrowed segments and be spaced 35 feet apart. Sidewalk could also be added to further enhance pedestrian safety at an estimated cost of $27,600 per side. In Summary, depending on the options selected, a new streetscape for the one-half mile section of Dysprosium Street N.W. could range from $116,000 for just the narrowed pavement with sod restoration and a new overlay surface, to $I84,200 which would include terrace trees and sidewalks on both sides of the street. In any event it should be anticipated that $57,000 would be required in the near future for the overlay of the existing 48 foot wide street. Committee Action: Based on discussion. Review by: Public Works Director Public Works Supervisor ?.W. 09/19/00 ¢- //