|
Orono Truck Before Stormwater System After Stormwater System
<br /> Station Updates U�da#es
<br /> West Pond, southeast . �� d { , . � West Pond, southeast corner d , � >;�`�� ,..r, '
<br /> � . ��� �' ����» � �.� x � �. �.���'
<br /> corner at southwest '�a�,� Y f� rt t ��,. � � '�� � : at southwest corner of a ", �
<br /> corner of parking lot. ����, r+ �!��w + ��; _; ��';? parking lot. Note cast iron
<br /> ,
<br /> Note open mouth (12 �_ ��� ��' , '� cover on gently sloped rough ___
<br /> inch plus diameter)of ' � surfaced concrete apron.
<br /> steeply sloped , �,;,. '� �� Stormwater flows into a � � ;�:;
<br /> corrugated steel drain �,a•..� precast concrete basin and
<br /> pipe—often hidden by � -� then horizontally onto rip rap � • ~� �`�
<br /> tall grass or snow. �,^ in photo below. � :_�"''�
<br /> ,
<br /> - �� / �~i�;.. � �'&d�. . y'� •r
<br /> ' � w. k
<br /> t�� '��, , . � � .
<br /> ,. " �'f._..�` . . - �.�� T .. .. , .. . .
<br /> West Pond, southeast � '`' ' '* ��� : West Pond, southeast corner.
<br /> comer. Note steeply � , „ #"�,�aa."�` � . �_ � Note open rip rap for
<br /> sloped corrugated steel , �'»*� � � � � stormwater drainage, '� �' = :.�"
<br /> '''~ � �t`, � enclosed i e is one, rate �
<br /> drain pipe(12 inch plus � �.�` �.f�� ,�a+ �b�i p�p 9 g , , �� .', �
<br /> �� '"��+ in lace over o en mouth of -�!'"-.
<br /> diameter)terminating "`�' :, / p p �,. � / ' •
<br /> ,�. ��tr�.v . . , !�'���ii ��� ,� , j / �.
<br /> underwater. Note open � ' � � �R . horizontal concrete "' . t�
<br /> mouth of horizontal =;• , �,,, �;��` ' �� stormwater pipe on left. �� � ; ��"�''�
<br /> concrete stormwater � '�� . �, .� �,+ � . �•
<br /> pipe on left. ; r ��. �,� '�i��`.. �s::... - ` s�
<br /> ` t. s •.�•y�} .p ��_ 1 � � '...'�� . :�...�y�.r'
<br /> � � � ,� t '�. •.!b f�'.�}
<br /> .���.' �,.., i,4 2� �t tR '�����+������"����_ . '�
<br /> � �4
<br /> South edge of parking � �s<�� W F� � �' South edge of parking lot � `�'� "�; �
<br /> lot near center. Photo "& ��p¢�� 3� i"' near center. Photo shows rip �l�: a .
<br /> shows one of several � '��"���J��;�° �'•i'!, rap reinforced drainage area ;� �°� � � : �� ��`t�.
<br /> eroded drainage areas �e ���!, ��'� K leading down rip rap covered � r°� ��
<br /> leading to the east/west , . �;�,�`� �¢ surface into the east/west ���� -�` '` Y��� .� ;�.�� � .,���
<br /> ditch draining into Lake 1.; � ��' ditch draining into Lake �.; �y� �._q � ' '
<br /> Minnetonka. �,�� "� `'� ' ,�t,J :� ,� Minnetonka. Other eroded � ������_���r
<br /> � �-;, ° �;�'-,. '�.� • • areas have been seeded and
<br /> ;,� ` '.� ��� _ . recontoured to direct
<br /> �;�� � � , , ���d��r: , stormwater to the rip rap area �p� `� + � ��
<br /> � � v �iop n ie� shown in phota , _..�� ��
<br />
|