Change Order No 18 - WWTP Digester No 2 Upgrade... Proj No 111-029 - Grand River Construction

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INTER -OFFICE MEMORANDUM DEPARTMENT OF PUBLIC WORKS DIVISION OF ENVIRONMENTAL SERVICES 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. 18 Project No. 111-029: Wastewater Treatment Plant Digester No. 2 Upgrade and Digester Gas Cleaning DATE: July 1, 2016 The Division of Utilities is requesting the Board of Public Works approval of Change Order No. 18 for Project No. 111-029 Wastewater Treatment Plant — Digester No. 2 Upgrade and Digester Gas Cleaning. This is the Final Change Order for this project and memorializes the Board of Public Works and Grand River Construction agreement in the amount of the deductive backcharge which reduces the final cost of the project by $50,000. The deductive backcharge was the agreed settlement amount for Grand River Construction and its subcontractors exceeding the time to complete the project. Change Order No. 18 addresses the following changes: Deductive backcharge for exceeding project time NET DECREASE FOR CHANGE ORDER NO. 18 ITEM Original Contract Sum Net change by previously authorized change orders The contract sum prior to this change order By this change order, the project amount decreases by The new contract sum including this change order is This Change Order represents a total change of Total change for the entire project ($ 50,000.00) ($ 50,000.00) $5,598,800.00 $ 381,237.00 +6.81 % $5,980,037.00 ($ 50,000.00) $5,930,037.00 -0.89% +5.92% The funding sources for the construction of this project is the 2011 Sewer Bond (659-0630-415- 42-06) and the 2012 Sewer Bond (661-0630-415-42-06). If there are any questions regarding the subject project, please contact Al Greek (Ext. 4210) or Jacob M. Klosinski (Ext. 9496) at the Division of Utilities.