Change Order No. 13 - WWTP Secondary Improvements Proj No 114-053 - Thieneman Construction Inc

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INTER -OFFICE MEMORANDUM DEPARTMENT OF PUBLIC WORKS DIVISION OF UTILITIES TO: Members of the Board of Public Works Eric Horvath, Director of Public Works Michael Schmidt, Board of Public Works Attorney FROM: Al Greek, Director of Utilities Jacob M. Klosinski, Assistant City Engineer SUBJECT: Agenda Request Form — Change Order No. 13 Project No. 114-053: Wastewater Treatment Plant Secondary Treatment Improvements DATE: June 30, 2017 The Division of Utilities is requesting the Board of Public Works approval of Change Order No. 13 for Project No. 114-053 Wastewater Treatment Plant Secondary Treatment Improvements. Refer to attached documents for supporting details for the subject work. Change Order No. 13 addresses the following changes: Clarifier No. 5 Gate Closing Assistance Concrete Forming at Gallery No. 4 Gallery No. 4 Sump Pump Tie-in Additional Bollards at Gallery No. 4 NET INCREASE FOR CHANGE ORDER NO. 12 ITEMS Original Contract Sum Net change by previously authorized change orders The contract sum prior to this change order By this change order, the project amount increases by The new contract sum including this change order is This Change Order represents a total change of Total change for the entire project Time Extensions resulting from Change Order No. 13: Substantial Completion: Final Completion: $ 761.00 $ 860.00 $ 1,158.00 $ 1,680.00 $ 4,459.00 $11,885,000.00 $ 2,098,645.87 $13,983,645.87 $ 4,459.00 $13, 988,104.87 +0.04% +17.70% 0 days 0 days The funding sources for Change Order No. 13 shall be directed from the 2017 Utilities, Wastewater Capital Account (642-0630-415-43-66). If there are questions regarding the subject change order, please contact Al Greek (Ext. 4210) or Jacob M. Klosinski (Ext. 9496) at the Division of Utilities.