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DEC-05-2003 FRI 02:34 PM TONY EIDEN COMPANY FAX N0, 763 559 6423 P, 02 <br /> , � ��g���R.._ v�-l�10 3 10 " �S <br /> �t sG. � �w r s � /�J tN <br /> �/� -, <br /> '"- �SU�"""��t C�acE t/�l� n' Cp�C'�a� !� G�r`� �� ��n.�et4 <br /> ON��L,*+�F-'P'�- ' N`��`�- �,Q{V r'u�a�t'c�7 Tlf� F�W��" F S <br /> Z '�W�`�'"��'� tj2l U�'�� ) <br /> � �� <br /> 1VIEM4R �91. ,NDUM <br /> DATE:: December 5, 2043 <br /> TO: File �� <br /> FROM: Dan Bovvar M 3 '�7� ' � <br /> , � ��o <br /> SYJBJECT: Site Drai.nage <br /> The single-family home site for A�:.tl�.ony Thomas Hom�s at 380 Leaf Street in Orono Minnesota.has <br /> been investagated for stornn�vater i�ur.�off. Using a topo�raphical map provided by the city, site plan <br /> from I.ot Sur�vey Company,Inc.,c,�ite:d No�rember 3, 2003 and the Hennepin County soil inap th�; <br /> follov��ing has been concluded. <br /> 2- r 10- r 100- <br /> Existin rur nff 10.64 cfs 24.64 cfs 41.62 cfs <br /> Pro osed ^ 7.9U cfs 15.60 cfs 18.61 cfs <br /> Peak eleva;ion of Wetland97'6.31' 977.08' 977.75' <br /> This shor�v's that in the three propo;:eci cases the rate of runoff has been reduced. The proposed autlet <br /> is a 2�E"CMP with an inlet of 975.�}�' and outlet of 973.90'. The driveway will act as an emerg�cy <br /> overflow at 978.00'. The pmpose;l iinished floor elevation of fihe home is 979.00'. <br />