Agenda - Public Works Committee - 06/20/2023

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Public Works Committee 5. 1. Meeting Date: 06/20/2023 By: Bruce Westby, Engineering/Public Works Title: Consider Drainage Improvement Options at 17650 Argon Street NW Purpose/Background: The purpose of this case is to further review the drainage concerns shared by the property owners at 17650 Argon Street NW with Councilmember Olson via email on April 18, 2023, who then shared their email with City Engineer/Public Works Director Westby on April 19, 2023. The following italicized text copied from the original email outlines the property owners' original concerns and request for assistance from the City. Hello, my wife and I live at 17650 Argon St. NW for 6 years now and we have a concern that we believe is a city responsibility. As you can see from the attached pictures, our front yard retains water in the right -of way ditch and then overflows covering our front yard completely. This water gets upwards of a foot deep at times in the spring and comes within 10 feet of our foundation. Most of the other residences in the neighborhood have culverts under their driveways to allow the water to flow... we do not. This has caused us hardship as it is flooding our basement. As you can see in a couple of pictures we have to set pumps up to remove the water to try and reduce the amount of water coming into our finished basement. We are wondering if the city will install culverts under one or both of our driveways to help alleviate the flooding at our property. I would encourage you to drive by or stop by in the next couple of days with the rain coming and see the situation for yourself. Please feel free to call me if you would like to discuss this further. My contact information is attached below and this is my work email and I have copied my wife as well. Thank you for your attention to this matter. Assistant City Engineer Feriancek visited the site on April 21st to meet with the property owners and Councilmember Olson. Based on Assistant City Engineer Feriancek's observations (no survey shots had been taken yet), the front yard of the property was graded at least 6-inches lower than the foundation of the home, both driveways, and Argon Street. The rear yard has positive drainage to the wetland behind the home, and there is a defined drainage ditch between their west driveway and Cobalt Street. However, no defined drainage ditch exists between their front yard and Argon Street, nor is there a defined swale to convey stormwater runoff from their front yard to the wetland behind their home, or to the drainage ditch along Cobalt Street. This property was developed in 1972, including construction of the home and grading of the yard, prior to the City of Ramsey incorporating it in 1974. The property owners also have concerns about the standing water being near their private water well. No information exists on this well on the Minnesota Well Index so staff is unable to verify the depth of the well, but it is listed as a "deep" well on the attached septic as -built drawing. Various pictures taken by the property owner and Assistant City Engineer Feriancek are attached to the case showing areas of standing water in the front yard and along the east driveway. On May 17th (immediately following the May 16th PWC meeting when this item was originally discussed) staff collected numerous survey shots on the subject property. Attached is a layout (Figure 1) showing these survey shots on the front and side yards of the property. Also attached (Figure 2) is a copy of this layout with drainage arrows showing the drainage patterns across the property. A third layout is also attached (Figure 3) showing the survey shots with aerial photography included for reference. Based on the survey shots taken, much of the front yard must be filled and/or re -graded to properly address the