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INTEROFFICE MEMORANDUM <br />DEPARTMENT OF PUBLIC WORKS <br />DIVISION OF UTILITIES <br />TO: Members of the Board of Public Works <br />Eric Horvath, Director of Public Works <br />Michael Schmidt, Board of Public Works Attorney <br />FROM: Al Greek, Director of Utilities <br />Jacob M. Klosinski, Assistant City Engineer <br />SUBJECT: Agenda Request Form — Change Order No. 10 <br />Project No. 114-053: Wastewater Treatment Plant Secondary Treatment <br />Improvements <br />DATE: June 6, 2017 <br />The Division of Utilities is requesting the Board of Public Works approval of Change Order No. <br />10 for Project No. 114-053 Wastewater Treatment Plant Secondary Treatment Improvements. <br />Refer to attached documents for supporting details for claims. <br />Change Order No, 10 addresses the following changes: <br />Keep Dewatering Well #7 in Service $ 13,225.50 <br />Temporary Pumping at RAS Pump Station $ 6,977.00 <br />Overtime Premium from August 2016 thru December 2016 $ 49,959.00 <br />Management Costs $169,412.20 <br />Construction Equipment Costs and Idle Time $146,596.25 <br />Winter Conditions $ 12,723.24 <br />Lost Productivity — Winter Work $ 19,000.00 <br />Premiums for Electrical Work $ 4,106.81 <br />NET INCREASE FOR CHANGE ORDER NO. 10 ITEMS $422,000.00 <br />Original Contract Sum $11,885,000.00 <br />Net change by previously authorized change orders $ 1,161,684.87 <br />The contract sum prior to this change order $13,046,684.87 <br />By this change order, the project amount increases by $ 422,000.00 <br />The new contract sum including this change order is $13,468,684.87 <br />This Change Order represents a total change of +3.56% <br />Total change for the entire project +13.33% <br />Time Extensions resulting from Change Order No. 10: <br />Substantial Completion: +79 days <br />Final Completion: +79 days <br />In addition to the costs and time extension, the City of South Bend agrees to omit any <br />liquidated damages associated with the delays for Shutdown C (Final Clarifier 6 and Final <br />Clarifier 7 Long Shutdown). The circumstances surrounding the dewatering operation were a <br />