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5. 1. <br />Public Works Committee <br />Meeting Date: 09/19/2023 <br />Primary Strategic Plan Initiative: Not Applicable <br />Title: <br />Review Drainage Concerns at 5725 180th Lane NW <br />Purpose/Background: <br />Purpose: <br />The purpose of this case is review drainage concerns of the property owners at 5725 180' Lane NW. Staff <br />will also present and discuss optional improvements to address their concerns and will seek direction for <br />further action. <br />Background: <br />The property owners at 5725 180th Lane NW, Scott and Lisa Monserud, shared their drainage concerns with <br />City Staff during the design and construction of City Improvement Proj ect # 19-01, Ford Brook Estates Street <br />Reconstructions. In summary, they purchased this property over 25 years ago and have had concerns about <br />stormwater runoff backing up into the property from the drainage ditch located within City right-of-way <br />along 180' Lane. <br />When the street was reconstructed in 2019, minor drainage improvements were completed as part of the <br />project. At the time staff informed the property owners that if they wanted the City to address their drainage <br />concerns in greater detail following completion of the project Staff would explore options and present them to <br />the Public Works Committee for review and consideration of further action. <br />Staff has since identified two primary options. <br />1. Option 1 - Fill the swale in between the ditch and the shallow pond east of their home that allows <br />water to back up onto their private property. If this option is pursued the fill would have to be <br />designed to allow runoff from the back yard to drain south into the drainage ditch <br />unimpeded. Estimated costs for this option could approach $25,000 depending on the scope of the <br />work. <br />2. Option 2 - Construct an underground storm sewer system to direct runoff from the ditch to Ford <br />Brook. Estimated costs for this option total $183,000 if completed as a City Improvement <br />project. Below is a cost breakout. <br />Option 2 estimated project costs - <br />48" Inlet Structure w/HC casting $ 10,000 <br />4 x 48" Storm MH w/casting $ 3000 <br />18" Flared End Section w/ grate $ 300 <br />650 LF 18" RCP $ 6000 <br />2 Driveway remove & replace $ 6,000 <br />