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, � � ° <br /> Jesse Struve <br /> From: Jesse Struve <br /> Sent: Wednesday, June 13, 2012 9:51 AM <br /> To: Christine Mattson <br /> Subject: 20120613 3095 Casco Point Rd <br /> Christine, <br /> I have reviewed the application for the proposed rain garden and have the following comments: <br /> • The resolution for the property states they need to provide adequate infiltration for the area of hardcover equal <br /> to the size of the driveway. Their driveway is currently about 4800 SF in size and it was supposed to infiltrate <br /> the first%" of rain (200 Cubic Feet of water). The length of the driveway and topography do not allow drainage <br /> of the entire driveway into the proposed rain garden and instead can direct driveway and roof drainage of 3600 <br /> SF of hardcover. Therefore I requested and the applicant oversized the rain garden so it can handle a larger rain <br /> event (0.77" rainfall) and treat a larger quantity of water(232 Cubic Feet of water) than what was originally <br /> requested in the resolution. <br /> • What they are proposing for the rain garden will sufficiently treat an equivalent quantity of water and is <br /> acceptable. <br /> Please contact me with any questions or concerns. <br /> Jesse Struve, PE <br /> Director of Public Works/City Engineer <br /> City of Orono <br /> (952) 249-4661 - Direct <br /> (952) 249-4616- Fax <br /> www.ci.orono.mn.us <br /> 1 <br />