Agenda - Council - 07/10/2012 - Laserfiche WebLink

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7550 Sunwood Drive NW • Ramsey, Minnesota 55303 City Hall: 763-427-1410 • Fax: 763-427-5543 www.cityoframsey.com Quality RV Attn: Corey Moyer 8175 Riverdale Dr NW Ramsey, MN 55303 Re: Conditional Use Permit Dear Mr. Moyer, The purpose of this letter is to review some of the requirements of the Conditional Use Permit (the "Permit") that was approved by the Ramsey City Council on December 13, 2011. As you know, one of the requirements of the approved Permit was for Quality RV to submit grading and drainage plans related to the installation of class V gravel at the property located at 8175, 8151, and 8101Riverdale Dr (the "Subject Property"). On June 26, 2012, the City did receive plans, prepared by Brenteson Companies, from the owner of the Subject Property. Our Engineering Staff have reviewed the information submitted and have provided the following comments: • The plan does show piping connecting the existing pond to the storm sewer in the street but does not show an outlet for the proposed pond. • The letter from Brenteson Companies accompanying the plans states the lot size is 0.99 acres; however, our records indicate that the vacant site alone is over one (1) acre. In addition, the portion of the middle lot that would also be improved appears to put the area of improvement above one (1) acre. A Lower Rum River Watershed Management Organization (LRRWMO) requires a permit for projects that disturb an area one (1) acre or greater. • Ramsey City Code requires calculations for the ten (10) and 100 year storm events. The new ponding area must provide rate control for the ten (10) and 100 year storm events. The developed rate of runoff must be limited to 75% of the pre -developed rate. Please supply the City with calculations to support these design standards. • Additional information must be provided demonstrating that the proposed ponding area will provide the necessary rate control and a plan showing connection to the existing storm sewer. At this point, the plans submitted are considered incomplete until additional information is received for review. City Staff met this morning to discuss the conditions of the Permit as it relates to both the use of unimproved surfacing (present condition of the eastern portion of the site) as well as the requirement to have drainage/grading plans approved by June 30, 2012 to initiate the Permit. It is obvious at this point that neither condition will be met by that date.