04-13-1998 Council Packet - Laserfiche WebLink

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f < • r k ‘ i ~4 r' flows from Mooney Lake be diverted to this system. The cities of Plymouth and Wayzata will need to review their existing drainage systems to verify that the additional flows are acceptable. Storm sewer design and calculations will need to be submitted to the MCWD for their review. Storm water quality ponds may be required by the MCV/D its part of the project. Because the land adjoining the project is nearly fully developed, property to construct ponds may be impossible or impractical to obtain. If the project requires ponding, the MCWD may allow payment to a general water quality fund in lieu of pond construction. The construction of the trail would result in a net hardcover increase of approximately 0.33 acres. Based on their current formula, it is anticipated that a payment to the MCWD of $5,000 would be required for the trail construction. The size of the total payment is primarily a function of the net hardcover increase and will depend upon the width of the roadway constructed. Currently, MCWD rules are currently being reviewed by the Watershed and may be revised later this year. Construction Sequencing The roadway will be constructed in a manner so as to minimize any impacts to adjacent residential access. Each day the contractor will excavate a section of roadway to full width and grade, install fabric and place the 400mm of Class 5 aggregate base. The street would then be opened to traffic at the end of the construction day. Access would only be restricted during the day and limited to a segment that can be completed. Through traffic will not be allowed during construction to increase construction safety. Emergency vehicle access would be maintained throughout the project. Traffic would have either a reclaimed bituminous or new gravel surface to travel on during non-construction hours. Plymouth Feasibility Report - Femdale Road Reconstruction