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DEC-05-2003 FRI 02;34 PM TONY EIDEN COMPANY FAX N0, 763 559 6423 P, 02 <br /> — �- -._., <br /> . . �G, �/�o��..v�8�a3 10:-�S, <br /> � �L .�� <br /> � � �,f�,�`'€� �'�N� r+� ��� 1�'3 5��, �� <br /> O1����'+�l�"' ' � 1�►Q(v�~'�'l TFf� "w�"�" !S <br /> �U,,..�,�.�x �s����w� ' <br /> n ��� <br /> MEMORA� ND UM <br /> bATE: December 5,2443 <br /> TO: File <br /> FROM: Dan Bowar,M�'1�, <br /> S�JBJECT: Site Drainage <br /> The siagle-family home site far Ac.thony Thomas Homes at 380 I.�af Street in Orano Minnesota.has <br /> been investigated for storm watcr ru��off. Using a topograplucal map provided by the city, site plan <br /> from Lot Survey Company,Inc.,c.ut�d No�vember 3,2003 and the Hennepin County soil map th� <br /> follov��ing has been concluded. <br /> 10- 100- <br /> Existin rur��ft 10.64 cfs 4.64 cfs 41.62 cfs. <br /> Pro osed .90 cfs 15.60 afs 18.61 cfs <br /> Peak eleva:ion of Wetland 76.31' 77.08' 977.75' <br /> This shows that in tho three propo�ed cases the rate of runoff has beea reduced. The proposcd outlet <br /> is a 2�E"CMP with an inlet of 975!}0' and outlet of 973.90'. The driveway will act as an emergency <br /> overflow at 978.00'. The propose•:1 fini.shed floor elevation of the home is 979.00'. <br />