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Home My WebLink AboutRe: erosion plan MEMO ��0 C�pY � August 23, 2011 TO: The City of Orono, Melanie Curtis RE: Erosion Control Plan, Good Shepherd Church project FROM: Dave Owen Melanie; Attached is our Erosion Control Plan that includes the use of a Bio-Roll to control the runoff. After an on-site review with an erosion control contractor, and separately with Steve Christopher(MCWD), it was felt that a Bio-Roll was the best solution for erosion control at our site. Steve supports this approach. With our heavily treed site, including many sensitive Oak trees on the down slope, it was felt that"knifing" an erosion fence into the ground between the trees, and having to cut many roots would likely have an adverse effect on the trees. Also,just being able to "knife"the fence into the ground with all the tree roots would be difficult. This is a fairly quick turn project and we expect the construction to be completed in 5 to 7 weeks (weather permitting, as always with construction). I hope the City finds this form of erosion control acceptable. Please let me know if there aze any questions. Thank you. RECEIVED AUG 2 3 2011 CITY OF ORONO . . � ��a `��'��°�`��'.,� ° �� 1�� 1� �J��- ��.�''� ��'' ��'1�� - x ��,� l,�� 1�'��1��, (-�� -��, ��. �-� ��- �z�i4l�-, �� c�--��. � �� ..�l�� L ��.� �--� �N c`1�� 1�'�� " �� , �`��• �, . �: � o ca�� N� , _ , QRON , . � �utL�Q�NI� �� — `-- _ , —�. �� ~ -�- -._. �.,�-.:..-, _� .-.-^� �.-�.r-.:-..-�.,>--._-.-,..� �-�� ..Y.;,.-�,-- �-...,. _ �t-.,�-3--.,,-,� - ., � ` �� , \ `.,� -� � .,_, \ � ' ~,-�. ""'-� \� � •�� ,,.� � } � ��}'�� -' 1 1 \/ � _.� ._._ , `�� `� �9.3 J � �� . ~ , � -� ¢, � ,'' ��, � ,��,, � �,�,��,p• ��` � ` � � Og�� ' � �� \�� /�� a�.,.�...,..--•.._�._._._.,�.r��.._�r�-�. ` � `'„� r� r�..� � _„_ � �\ - . . _'\ ��D `� ` ` \ ---- .,`�� `/'d� �. . � . '� , , . � �\ `'� f, "� � � r � t ` .. ,. � � � �_._._�- \ � , .� ` � ��` '�. � � �` ' _ � \ �` � � �� • ` � � � � � � � �� Q \ , `� � � '`� � �� ' �.. � � ` � ' Js� ` � � 1 � -.,, \ � �'r� �e��` �_"� �'�- � �� q'�i;0� , � `�`g�t� � �` � � ~�\ � �' .` `� ! � �k �� ' �" �ti � �! �`'" ` � � `' — -_.. �,V i`�'if �I,�v' �" � �� -_...=v.w-4..... r .r.T . ` � ! � � "'� � �'° � � � �¢t �� :t � `:�'\� '� � �� 4 \� \ �� \ `' `" -..-_ � '�•• � ;'� ''�=� �`^��A V'� � � � � \ V "` � t'/° '� �' ��I�:,`° ,'' ��;,�f I�,p a,,`,`.11�,!, �` �.,\ � �� `'� `\ - ,_ � � , �. �� '��.� ��" � '�D � ; ��.1� �, ` � � � ` �� - \ � � � , , _ } ` ` � � . , � � '� , , 1 � ��t�.� . ,� , � i �,,' ,��,%', ' ` � \ � _ . �'��`�� x'�� 6�ti�� ;�-. r �f . �.� . _ � � � � -` '_� ! �'' ' � � ' ��` � %'��=� � , � ' / � __ ..� ` , � � � �-- i" , �� °� �"``��.'"r'�'� i�#� �#�a, _ 1 , � � , �-� �! ij�_.� � 1 , �"� . C�°`�� . _ 1�-8.7�- ��l-� q�-62= _ , • -4 �t'�-E-� U� I l z_►� _ - � ``` .�, I � �.��.,� � [N�I�,�:� �� RECEIVED � ,�1 �� AUG 2 9 2011 � � �� `� ER�SI � �N �UNTR4L PLAli� c�r�F oRONo TTr�u � SC1�LE: ��'=20�-0" Prepared By: So V 111 �� D1te: '� ' � � �! Dave 4wen Rev_ ;.°�'�• '�� Landscape Architect GRA.DING PLAN �y, �i�-(' �."A,ASLA G�od ��epherd Peace Garc�en N�RTH , Sheet No: � ,� � Good Shepherd Luther ch �d ld �� 3745 Shoreline Drive, �rona, MN f�`w�(�� c 1— �0 ��,h