Change Order No 1 - WWTP Digester Gas Utilization Proj No 116-050R - 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 Clara McDaniels, Assistant City Attorney Public Works Linda M. Martin, Clerk FROM: Al Greek, Director of Utilities Jacob M. Klosinski, P.E., Assistant City Engineer SUBJECT: Project No. 116-050R WWTP Digester Gas Utilization Project Change Order No. 1 DATE: February 5, 2018 The Division of Utilities is requesting the Board of Public Works approval of Change Order No. 1 for Project No. 116-05OR Wastewater Treatment Plant Digester Gas Utilization. . Change Order No. 1 addresses the following changes: COP 001 —Alternate Flame Arrestor COP 002 — Credit for Asphalt Base vs Asphalt Surface COP 003 — Liquidate Owner's Project Allowance, unused COP 004 -- Liquidate Asphalt Quantities, unused NET DECREASE FOR CHANGE ORDER NO. 1 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 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 Time Extensions resulting from Change Order No. 1: Substantial Completion: Final Completion: ($ 426.00) ($ 221.00) ($ 20,000.00) ($ 10,180.00) ($ 30,827.00) $ 754,000.00 $ 0.00 $ 754,000.00 ($ 30,827.00) $ 723,173.00 -4.09% -4.09% 0 days 0 days The funding source for Change Order No. 1 shall be directed from the Division of Utilities Wastewater Capital Account (642-0630-415-43-66) and Other Contractual Services (642-0630-793-63-35). For questions regarding the above recommendation or the subject project, contact Al Greek (Ext. 4210) or Jacob M. Klosinski (Ext. 9496) at the Division of Utilities.