Change Order No 1 - Wastewater Treatment Plant Grit Screenings & Improvements Proj No. 114-075 - Thieneman Construction Inc

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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. 1 114-075 Wastewater Treatment Plant Grit & Screenings Improvements DATE: November 15, 2016 The Department of Utilities (DES) is requesting the Board of Public Works approval of Change Order No. 1 for Project No. 114-075 Wastewater Treatment Plant Grit and Screenings Improvements. Refer to attached documents for supporting details for claims. Change Order No. 1 addresses the following changes: PCO 1: Provide expanded metal viewing window for grit washers PCO 2: Provide three (3) valves for spray loop isolation PCO 3: Build LCP-100 Cabinet Back -plate offsite, labor savings PCO 4: Sand blast and coat spray loops for submerged condition PCO 5: Reconfigure Spray Loops for East & West Detritus Tanks NET INCREASE FOR CHANGE ORDER NO. 5 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 $ 3,268.30 $ 0.00 ($ 3,926.22) $ 2,344.65 $ 911.11 $ 2,597.84 $ 1,146,000.00 $ 0.00 $ 1,146,000.00 $ 2,597.84 $ 1,148,597.84 +0.23% +0.23% Time Extensions: 0 Days to Substantial Completion and 0 days to Final Completion. The primary funding sources for the construction of this project is the Environmental Services, Wastewater, Treatment and Disposal Equipment Account (642-0630-415-43-66) or other Wastewater Accounts. 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.