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INTER -OFFICE MEMORANDUM <br />DEPARTMENT OF PUBLIC WORKS <br />DIVISION OF ENVIRONMENTAL SERVICES <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. 6 <br />Project No. 114-053: Wastewater Treatment Plant Secondary Treatment <br />Improvements <br />DATE: December 6, 2016 <br />The Division of Utilities is requesting the Board of Public Works approval of Change Order No. 6 <br />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. 6 addresses the following changes: <br />Final Clarifier Effluent Structure Sheeting Obstructions <br />$22,775.00 <br />Conduit Relocation at Aeration Tank 1 Walkway <br />$ 4,164.00 <br />Water Line Relocation, Obstruction of Aeration Effluent Extension <br />$25,943.00 <br />Asbestos Removal <br />$ 2,402.00 <br />Fiber Optic Patch Panels, Equipment and Installation <br />$ 8,393.00 <br />Expansion Joints at Aeration Influent / Effluent Channel & Wall <br />$23,692.00 <br />Conduit and Wire for Power to SCADA Cabinets <br />$ 1,917.00 <br />Flowable Fill for Void at Aeration Effluent Channel and Gallery 3 <br />$ 1,404.00 <br />NET INCREASE FOR CHANGE ORDER NO. 6 ITEMS $ 90,690.00 <br />Original Contract Sum $11,885,000.00 <br />Net change by previously authorized change orders $ 768,675.87 <br />The contract sum prior to this change order $12,653,675.87 <br />By this change order, the project amount increases by $ 90,690.00 <br />The new contract sum including this change order is $12,744,635.87 <br />This Change Order represents a total change of +0.76% <br />Total change for the entire project +7.23% <br />Time Extensions: 13 Days to Substantial Completion and 13 days to Final Completion. <br />The primary funding sources for the construction of this project are the 2011 Sewer Bond (659- <br />0630-415-42-06), 2012 Sewer Bond (661-0630-415-42-06) or other Wastewater Accounts. If <br />there are any questions regarding the subject change order, please contact Al Greek (Ext. 4210) <br />or Jacob M. Klosinski (Ext. 9496) at the Division of Utilities. <br />