4F, Indian Oaks Court Pond Shoreline Restoration and Landscapin

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� EN HTI,LS MEMORANDUM DATE: June 27, 2011 TO: Honorable Mayor and City Councilmembers Pairick Klaers, City Administ�ator FROM: Kristine Giga, Civil Engineer � SUBJECT: Indian Oaks Court Pond Shoreline Restoration and Landscaping Project — Change Order #1 and Payment #1 Back�round The City of Arden Hills awarded Natural Shore Technolagies, Inc. of Map1e Plain, Minnesota, the Tndian Oalcs Court Pon�. Shoreline Resioration and Landscaping Project on Apri� 25, 2011, for a total contract amount of $14,037.20. Discussion This pay request includes work completed th�rough June 9, 2011. The major'rty a� the �work is co�nplete. Once the pipe repair is completed the contractor will cornplete the rernaining restoration around the pipe apron. FinancialIm lications After rneeting in the field with the contractor, ii was determin.ed that some of the biolog rolls used along the edge of the pond wauld need to be larger in diameter, 16", than the 12" diarneter originally called out in the plans. On. the sides of the pond where the slopes are steeper, the 12" biolog would have been cornpletely submerged and not effectzve in prot�cting the upland slopes. There were also some areas that needed additional compost material to level out the uneven terrain. However, the contractor did indicate that there would not be a need for as much erosion control blanlcet as was caZled out in the plans. Change order # 1 includes the addition o� compost and �lie laz�ger 16" biolog roIls, and a reduction in the quantity for the 12" biolog rolls and erosion conirol blanket. The total casi increase over the original contract amount is $2,728.80. However, SO°/Q of this r�vill be reirnbursed through the cost-share wi�th the Ramsey Conservation District; therefore, the additional cost ta th.e City is $1,364.40. City Council Meeting I1Metro-inei.uslardenhillslPA&PWIEngineeringlCouncil Actions120 1 116-27-1 1Memo PondMaintenanceRestoration- Paymentl .doc Page I of 2