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HomeMy WebLinkAbout4.l. Authorize Storm Sewer Extension, Country Hills 1st Addition i • • �� � � � *******************�***�t************�PtEMO�*�******************************�***** DATE: JUNE 2, 1989 T0: PIAYOR & COUNCILA1EAtBERS C/O ADPtINISTRATOR JILR FROri: CITY ENGINEER/PUBLIC WORKS DIRECTOR HEFT R�� ITEMS FOR THE JUNE 6, 1989 COUNCIL MEETING CONSENT AGENDA Authorize Storm Sewer Extension, Country Hills lst Addition This item consist of requesting the funds to pay for storm sewer extension into the pond located within the Country Hills lst Addition west of Dekalb Avenue and east of the Dearborn Path cul-de-sac. Attached is a sketch of the proposed storm sewer extensions. The need to extend these pipes result�d fram a change between the grading plan ak the time the original plans were prepared and after the actual grading was completed. The storm sewer wvrks as it is new, however the stosm sew�r pipe diecharging into the pond fram th� west creat�e a n�ver ending �rosian prcblem because it is discharging on a side hi11. The inlet/outlet pipe frQm the nor�h needs to be extendad southerly ta reach the normai water elevati.on so that debri� and erosion off the existing lots do not plug up that outlet. As a result of both of these extensions, future maintenance regarding these pipes will be almost nothing. The estimated cost of this project is about $6,300. There are some excess funds auailable in the original construction account that I would recommend using to finance this project. We are also negatiating with Orrin Thompson to reimburse us for some of these eost because of their involvement regarding the site grading. Recommended action for Council to consider is to authorize the expenditure of extra constructian funds from the Country Hills lst Addition to pay for the storm sewer extension for the Country Hills lst Addition pond. � ' � �: 1 � x• •� t `,/ l\, , /� � . . r ' � �,r1 ``� � �. �� . � � � �tt ��`� . 1i 12'eIX 5 7 �1'4M� . s soec �'«"'..�. .' ���. 7�G_ r+s / i�// !'X�`TE[ ` lYITN�t i1. + �n � /� � • 1/N'IIl1p �` ,� � � • , e � _ '. ', � �n'° � ,� pt°t�.`� ` �� �� N.tr � f � � ��tV.� Q� � � �� �� - -- -- - - -- is. s''f[E ` ` OEKJIt� AVEtfM.�4• ` � • .�.t'i. •t0et. � � 5 �� ' � � _ �ti NraN a ���n 1 \ / ' � � �, . ,-�'�1 . �i.,�.•'� ' .' , � � `f�y 1 �F �'�� O p' �` 1 �� 1 , �� �'�� . ���f �` t � � �O �� Ct�I1vE pp Tt1 ��¢! � �' �� 1 ��I'�� � �� � PI•511�.10 ��dIMA�E O ,! t �� uc`"^'""'" �� �� � f ( # i� �•a�4.at • , e� � 2 � ► � . 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