5B, Valentine Park Improvement Project - Approve Change Order #2 and Pay Estimate #3 in the Amount of $18,617.74

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lt ,ARZEN HILLS MEMORANDUM DATE: November 26, 2012 TO: Honorable Mayor and City Councilmembers Patrick Klaers, City Administrator FROM: Terry Maurer, Public Works Directo SUBJECT: Valentine Park Improvements - Payment #3/Change Order 42 Background The City of Arden Hills awarded Interstate Pavement Maintenance of Forest Lake, Minnesota, the Valentine Park Improvement Project on April 30, 2012, for a total contract amount of$321,757.00. There has been one change order that decreased the total cost by $3,014.85. Discussion This pay request includes work on the project completed through the end of the 2012 construction season. The major work completed as a part of this payment includes in and around the large rain garden. Change Order #2 increases the total project cost by $9,018.78. This is due to the slow draw down time of the rain garden. After a geotechnical review it was decided to build a rock bedding around the three main drain tile lines in the rain garden. Financial Implications The total amount earned by the contractor including Change Order #2 is $205,952.32. After subtracting retainage of 5% and previous pay estimates, the amount due the contractor for Pay Estimate #3 is $18,617.74. The funding source for all of Pay Estimate #3 including Change Order#2, is Surface Water Management funds. Council Action Requested Approve Change Order#2 and Pay Estimate #3 to Interstate Pavement Maintenance in the amount of$18,617.74 for the Valentine Park Improvement Project. PAAdmin\Council\Agendas&Packet Infonnation\2012\11-26-12 Reg Mtg\Packet Page 1 of 1